Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines

The cheapest airline(s) flying from Boston to San Francisco is Alaska Airlines.

  • Alaska Airlines Alaska Airlines
  • Sun Country Airlines Sun Country Airlines
  • JetBlue Airways JetBlue Airways
  • Lufthansa Lufthansa
  • American Airlines American Airlines
  • United Airlines United Airlines
  • British Airways British Airways
Cheapest Month August

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from Boston to San Francisco is August.

  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
Cheapest Day of the Week Friday

The cheapest day(s) of the week to fly from Boston to San Francisco is Friday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Thu, 2 Jan, 2025

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      • Availability
        • M
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      • 06:00 BOS
        09:55 SFO
        6Hrs, 55m Direct
      • BOSBoston Logan International Airport 06:00 - SFO 09:55 6h 55m Direct
      • BOSBoston Logan International Airport 06:00
      • SFOSan Francisco International Airport 09:55
      • 6h 55m
      • Direct
      • United Airlines (UA 2441)Boeing 737 Max 9 Passenger
      • United Airlines (UA 2441)
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        • S
      • Boeing 737 Max 9 Passenger
      • 08:00 BOS
        11:52 SFO
        6Hrs, 52m Direct
      • BOSBoston Logan International Airport 08:00 - SFO 11:52 6h 52m Direct
      • BOSBoston Logan International Airport 08:00
      • SFOSan Francisco International Airport 11:52
      • 6h 52m
      • Direct
      • JetBlue Airways (B6 233)Airbus Industrie A321
      • JetBlue Airways (B6 233)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Airbus Industrie A321
      • 08:25 BOS
        12:20 SFO
        6Hrs, 55m Direct
      • BOSBoston Logan International Airport 08:25 - SFO 12:20 6h 55m Direct
      • BOSBoston Logan International Airport 08:25
      • SFOSan Francisco International Airport 12:20
      • 6h 55m
      • Direct
      • United Airlines (UA 1008)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1008)
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        • S
      • Boeing 737 Max 9 Passenger
      • 08:30 BOS
        12:20 SFO
        6Hrs, 50m Direct
      • BOSBoston Logan International Airport 08:30 - SFO 12:20 6h 50m Direct
      • BOSBoston Logan International Airport 08:30
      • SFOSan Francisco International Airport 12:20
      • 6h 50m
      • Direct
      • JetBlue Airways (B6 233)Airbus Industrie A321
      • JetBlue Airways (B6 233)
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      • Airbus Industrie A321
      • 10:30 BOS
        14:19 SFO
        6Hrs, 49m Direct
      • BOSBoston Logan International Airport 10:30 - SFO 14:19 6h 49m Direct
      • BOSBoston Logan International Airport 10:30
      • SFOSan Francisco International Airport 14:19
      • 6h 49m
      • Direct
      • JetBlue Airways (B6 733)Airbus Industrie A321
      • JetBlue Airways (B6 733)
        • M
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        • F
        • -
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      • Airbus Industrie A321
      • 13:30 BOS
        17:21 SFO
        6Hrs, 51m Direct
      • BOSBoston Logan International Airport 13:30 - SFO 17:21 6h 51m Direct
      • BOSBoston Logan International Airport 13:30
      • SFOSan Francisco International Airport 17:21
      • 6h 51m
      • Direct
      • United Airlines (UA 1187)Boeing 757 200 Series
      • United Airlines (UA 1187)
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        • S
      • Boeing 757 200 Series
      • 18:00 BOS
        21:50 SFO
        6Hrs, 50m Direct
      • BOSBoston Logan International Airport 18:00 - SFO 21:50 6h 50m Direct
      • BOSBoston Logan International Airport 18:00
      • SFOSan Francisco International Airport 21:50
      • 6h 50m
      • Direct
      • United Airlines (UA 2400)Boeing 757 200 Series
      • United Airlines (UA 2400)
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        • S
      • Boeing 757 200 Series
      • 19:15 BOS
        00:35 SFO
        8Hrs, 20m 1 Stop (DEN)
      • BOSBoston Logan International Airport 19:15 - SFO 00:35 8h 20m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 19:15
        DENDenver Intl Airport 22:50
      • DENDenver Intl Airport 22:00
        SFOSan Francisco International Airport 00:35
      • 8h 20m (50m)
      • 1 Stop DEN · Denver 50m
      • Southwest Airlines (WN 3903)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1241)Boeing 737 700
      • Southwest Airlines (WN 3903)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 19:37 BOS
        01:25 SFO
        8Hrs, 48m 1 Stop (IAD)
      • BOSBoston Logan International Airport 19:37 - SFO 01:25 8h 48m 1 Stop (IAD) Washington
      • BOSBoston Logan International Airport 19:37
        IADWashington Dulles International Airport 22:20
      • IADWashington Dulles International Airport 21:25
        SFOSan Francisco International Airport 01:25
      • 8h 48m (55m)
      • 1 Stop IAD · Washington 55m
      • United Airlines (UA 3547)Embraer 175
        United Airlines (UA 1584)Boeing 737 900
      • United Airlines (UA 3547)
        • -
        • -
        • -
        • -
        • -
        • S
        • S
      • 19:42 BOS
        01:25 SFO
        8Hrs, 43m 1 Stop (IAD)
      • BOSBoston Logan International Airport 19:42 - SFO 01:25 8h 43m 1 Stop (IAD) Washington
      • BOSBoston Logan International Airport 19:42
        IADWashington Dulles International Airport 22:20
      • IADWashington Dulles International Airport 21:25
        SFOSan Francisco International Airport 01:25
      • 8h 43m (55m)
      • 1 Stop IAD · Washington 55m
      • United Airlines (UA 2136)Airbus
        United Airlines (UA 1584)Boeing 737 900
      • United Airlines (UA 2136)
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        • -
        • -
      • 05:35 BOS
        12:57 SFO
        10Hrs, 22m 1 Stop (DFW)
      • BOSBoston Logan International Airport 05:35 - SFO 12:57 10h 22m 1 Stop (DFW) Dallas
      • BOSBoston Logan International Airport 05:35
        DFWDallas/Fort Worth Intl Airport 11:00
      • DFWDallas/Fort Worth Intl Airport 09:16
        SFOSan Francisco International Airport 12:57
      • 10h 22m (1h 44m)
      • 1 Stop DFW · Dallas 1h 44m
      • American Airlines (AA 2527)Boeing 737 800
        American Airlines (AA 2231)Airbus
      • American Airlines (AA 2527)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:35 BOS
        13:17 SFO
        10Hrs, 42m 1 Stop (JFK)
      • BOSBoston Logan International Airport 05:35 - SFO 13:17 10h 42m 1 Stop (JFK) New York City
      • BOSBoston Logan International Airport 05:35
        JFKNew York John F. Kennedy International Airport 09:45
      • JFKNew York John F. Kennedy International Airport 07:00
        SFOSan Francisco International Airport 13:17
      • 10h 42m (2h 45m)
      • 1 Stop JFK · New York City 2h 45m
      • JetBlue Airways (B6 1517)Airbus
        JetBlue Airways (B6 1515)Airbus A321 Neo
      • JetBlue Airways (B6 1517)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:38 BOS
        12:57 SFO
        10Hrs, 19m 1 Stop (DFW)
      • BOSBoston Logan International Airport 05:38 - SFO 12:57 10h 19m 1 Stop (DFW) Dallas
      • BOSBoston Logan International Airport 05:38
        DFWDallas/Fort Worth Intl Airport 11:00
      • DFWDallas/Fort Worth Intl Airport 09:19
        SFOSan Francisco International Airport 12:57
      • 10h 19m (1h 41m)
      • 1 Stop DFW · Dallas 1h 41m
      • American Airlines (AA 2527)Boeing 737 800
        American Airlines (AA 2231)Airbus
      • American Airlines (AA 2527)
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        • T
        • F
        • -
        • S
      • 05:45 BOS
        11:05 SFO
        8Hrs, 20m 1 Stop (IAD)
      • BOSBoston Logan International Airport 05:45 - SFO 11:05 8h 20m 1 Stop (IAD) Washington
      • BOSBoston Logan International Airport 05:45
        IADWashington Dulles International Airport 08:15
      • IADWashington Dulles International Airport 07:31
        SFOSan Francisco International Airport 11:05
      • 8h 20m (44m)
      • 1 Stop IAD · Washington 44m
      • United Airlines (UA 1734)Boeing 737 800
        United Airlines (UA 2440)Boeing 787 8
      • United Airlines (UA 1734)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 05:45 BOS
        11:19 SFO
        8Hrs, 34m 1 Stop (IAD)
      • BOSBoston Logan International Airport 05:45 - SFO 11:19 8h 34m 1 Stop (IAD) Washington
      • BOSBoston Logan International Airport 05:45
        IADWashington Dulles International Airport 08:25
      • IADWashington Dulles International Airport 07:31
        SFOSan Francisco International Airport 11:19
      • 8h 34m (54m)
      • 1 Stop IAD · Washington 54m
      • United Airlines (UA 1734)Boeing 737 800
        United Airlines (UA 1116)Boeing 787 8
      • United Airlines (UA 1734)
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        • S
      • 05:45 BOS
        11:19 SFO
        8Hrs, 34m 1 Stop (IAD)
      • BOSBoston Logan International Airport 05:45 - SFO 11:19 8h 34m 1 Stop (IAD) Washington
      • BOSBoston Logan International Airport 05:45
        IADWashington Dulles International Airport 08:25
      • IADWashington Dulles International Airport 07:31
        SFOSan Francisco International Airport 11:19
      • 8h 34m (54m)
      • 1 Stop IAD · Washington 54m
      • United Airlines (UA 1734)Boeing 737 800
        United Airlines (UA 1116)Boeing 787 9
      • United Airlines (UA 1734)
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        • -
        • -
        • -
        • -
      • 05:50 BOS
        14:40 SFO
        11Hrs, 50m 1 Stop (DEN)
      • BOSBoston Logan International Airport 05:50 - SFO 14:40 11h 50m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 05:50
        DENDenver Intl Airport 13:00
      • DENDenver Intl Airport 08:45
        SFOSan Francisco International Airport 14:40
      • 11h 50m (4h 15m)
      • 1 Stop DEN · Denver 4h 15m
      • Southwest Airlines (WN 1304)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1388)Boeing 737 800
      • Southwest Airlines (WN 1304)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 07:12 BOS
        13:17 SFO
        9Hrs, 05m 1 Stop (EWR)
      • BOSBoston Logan International Airport 07:12 - SFO 13:17 9h 05m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 07:12
        EWRNewark Liberty International Airport 10:00
      • EWRNewark Liberty International Airport 08:40
        SFOSan Francisco International Airport 13:17
      • 9h 05m (1h 20m)
      • 1 Stop EWR · New York City 1h 20m
      • United Airlines (UA 570)Boeing 737 Max 9 Passenger
        United Airlines (UA 792)Boeing 787 9
      • United Airlines (UA 570)
        • M
        • -
        • -
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        • -
        • -
        • -
      • 07:12 BOS
        15:34 SFO
        11Hrs, 22m 1 Stop (EWR)
      • BOSBoston Logan International Airport 07:12 - SFO 15:34 11h 22m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 07:12
        EWRNewark Liberty International Airport 12:00
      • EWRNewark Liberty International Airport 08:40
        SFOSan Francisco International Airport 15:34
      • 11h 22m (3h 20m)
      • 1 Stop EWR · New York City 3h 20m
      • United Airlines (UA 570)Boeing 737 Max 9 Passenger
        United Airlines (UA 1128)Boeing 757 200 Series
      • United Airlines (UA 570)
        • M
        • -
        • -
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        • -
        • -
        • -
      • 07:15 BOS
        15:26 SFO
        11Hrs, 11m 1 Stop (DEN)
      • BOSBoston Logan International Airport 07:15 - SFO 15:26 11h 11m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 07:15
        DENDenver Intl Airport 13:35
      • DENDenver Intl Airport 10:10
        SFOSan Francisco International Airport 15:26
      • 11h 11m (3h 25m)
      • 1 Stop DEN · Denver 3h 25m
      • United Airlines (UA 647)Airbus A321 Neo
        United Airlines (UA 1803)Boeing 737 900
      • United Airlines (UA 647)
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        • S
      • 07:15 BOS
        13:23 SFO
        9Hrs, 08m 1 Stop (DEN)
      • BOSBoston Logan International Airport 07:15 - SFO 13:23 9h 08m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 07:15
        DENDenver Intl Airport 11:33
      • DENDenver Intl Airport 10:10
        SFOSan Francisco International Airport 13:23
      • 9h 08m (1h 23m)
      • 1 Stop DEN · Denver 1h 23m
      • United Airlines (UA 647)Airbus A321 Neo
        United Airlines (UA 1561)Boeing 757 200 Series
      • United Airlines (UA 647)
        • M
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        • T
        • F
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        • S
      • 07:25 BOS
        14:15 SFO
        9Hrs, 50m 1 Stop (DEN)
      • BOSBoston Logan International Airport 07:25 - SFO 14:15 9h 50m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 07:25
        DENDenver Intl Airport 12:35
      • DENDenver Intl Airport 10:15
        SFOSan Francisco International Airport 14:15
      • 9h 50m (2h 20m)
      • 1 Stop DEN · Denver 2h 20m
      • Southwest Airlines (WN 1304)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 3669)Boeing 737 700
      • Southwest Airlines (WN 1304)
        • -
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        • W
        • -
        • -
        • -
        • -
      • 07:30 BOS
        15:34 SFO
        11Hrs, 04m 1 Stop (EWR)
      • BOSBoston Logan International Airport 07:30 - SFO 15:34 11h 04m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 07:30
        EWRNewark Liberty International Airport 12:00
      • EWRNewark Liberty International Airport 08:58
        SFOSan Francisco International Airport 15:34
      • 11h 04m (3h 02m)
      • 1 Stop EWR · New York City 3h 02m
      • United Airlines (UA 570)Boeing 737 Max 8 Passenger
        United Airlines (UA 1128)Boeing 757 200 Series
      • United Airlines (UA 570)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:30 BOS
        15:34 SFO
        11Hrs, 04m 1 Stop (EWR)
      • BOSBoston Logan International Airport 07:30 - SFO 15:34 11h 04m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 07:30
        EWRNewark Liberty International Airport 12:00
      • EWRNewark Liberty International Airport 08:58
        SFOSan Francisco International Airport 15:34
      • 11h 04m (3h 02m)
      • 1 Stop EWR · New York City 3h 02m
      • United Airlines (UA 570)Airbus
        United Airlines (UA 1128)Boeing 757 200 Series
      • United Airlines (UA 570)
        • -
        • T
        • W
        • T
        • F
        • S
        • -
      • 07:30 BOS
        13:17 SFO
        8Hrs, 47m 1 Stop (EWR)
      • BOSBoston Logan International Airport 07:30 - SFO 13:17 8h 47m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 07:30
        EWRNewark Liberty International Airport 10:00
      • EWRNewark Liberty International Airport 08:58
        SFOSan Francisco International Airport 13:17
      • 8h 47m (1h 02m)
      • 1 Stop EWR · New York City 1h 02m
      • United Airlines (UA 570)Boeing 737 Max 8 Passenger
        United Airlines (UA 792)Boeing 787 9
      • United Airlines (UA 570)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:30 BOS
        13:17 SFO
        8Hrs, 47m 1 Stop (EWR)
      • BOSBoston Logan International Airport 07:30 - SFO 13:17 8h 47m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 07:30
        EWRNewark Liberty International Airport 10:00
      • EWRNewark Liberty International Airport 08:58
        SFOSan Francisco International Airport 13:17
      • 8h 47m (1h 02m)
      • 1 Stop EWR · New York City 1h 02m
      • United Airlines (UA 570)Airbus
        United Airlines (UA 792)Boeing 787 9
      • United Airlines (UA 570)
        • -
        • T
        • W
        • T
        • F
        • S
        • -
      • 08:30 BOS
        17:18 SFO
        11Hrs, 48m 1 Stop (LAX)
      • BOSBoston Logan International Airport 08:30 - SFO 17:18 11h 48m 1 Stop (LAX) Los Angeles
      • BOSBoston Logan International Airport 08:30
        LAXLos Angeles International Airport 15:45
      • LAXLos Angeles International Airport 12:05
        SFOSan Francisco International Airport 17:18
      • 11h 48m (3h 40m)
      • 1 Stop LAX · Los Angeles 3h 40m
      • United Airlines (UA 311)Boeing 757 200 Series
        United Airlines (UA 1342)Boeing 737 Max 8 Passenger
      • United Airlines (UA 311)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 08:37 BOS
        14:24 SFO
        8Hrs, 47m 1 Stop (JFK)
      • BOSBoston Logan International Airport 08:37 - SFO 14:24 8h 47m 1 Stop (JFK) New York City
      • BOSBoston Logan International Airport 08:37
        JFKNew York John F. Kennedy International Airport 10:45
      • JFKNew York John F. Kennedy International Airport 09:59
        SFOSan Francisco International Airport 14:24
      • 8h 47m (46m)
      • 1 Stop JFK · New York City 46m
      • JetBlue Airways (B6 1117)Embraer Emb E90
        JetBlue Airways (B6 615)Airbus Industrie A321
      • JetBlue Airways (B6 1117)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 08:45 BOS
        15:38 SFO
        9Hrs, 53m 1 Stop (ORD)
      • BOSBoston Logan International Airport 08:45 - SFO 15:38 9h 53m 1 Stop (ORD) Chicago
      • BOSBoston Logan International Airport 08:45
        ORDChicago O'Hare International Airport 12:45
      • ORDChicago O'Hare International Airport 10:49
        SFOSan Francisco International Airport 15:38
      • 9h 53m (1h 56m)
      • 1 Stop ORD · Chicago 1h 56m
      • American Airlines (AA 1741)Boeing 737 800
        American Airlines (AA 1253)Boeing 737 800
      • American Airlines (AA 1741)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 09:00 BOS
        18:00 SFO
        12Hrs, 00m 1 Stop (SEA)
      • BOSBoston Logan International Airport 09:00 - SFO 18:00 12h 1 Stop (SEA) Seattle
      • BOSBoston Logan International Airport 09:00
        SEASeattle/Tacoma International Airport 15:44
      • SEASeattle/Tacoma International Airport 12:33
        SFOSan Francisco International Airport 18:00
      • 12h (3h 11m)
      • 1 Stop SEA · Seattle 3h 11m
      • Alaska Airlines (AS 364)Boeing 737
        Alaska Airlines (AS 1140)Boeing 737 800
      • Alaska Airlines (AS 364)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 09:00 BOS
        17:49 SFO
        11Hrs, 49m 1 Stop (SEA)
      • BOSBoston Logan International Airport 09:00 - SFO 17:49 11h 49m 1 Stop (SEA) Seattle
      • BOSBoston Logan International Airport 09:00
        SEASeattle/Tacoma International Airport 15:35
      • SEASeattle/Tacoma International Airport 12:33
        SFOSan Francisco International Airport 17:49
      • 11h 49m (3h 02m)
      • 1 Stop SEA · Seattle 3h 02m
      • Alaska Airlines (AS 364)Boeing 737 800
        Alaska Airlines (AS 1140)Boeing 737
      • Alaska Airlines (AS 364)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 09:09 BOS
        18:02 SFO
        11Hrs, 53m 1 Stop (CLT)
      • BOSBoston Logan International Airport 09:09 - SFO 18:02 11h 53m 1 Stop (CLT) Charlotte
      • BOSBoston Logan International Airport 09:09
        CLTCharlotte Airport 15:11
      • CLTCharlotte Airport 11:45
        SFOSan Francisco International Airport 18:02
      • 11h 53m (3h 26m)
      • 1 Stop CLT · Charlotte 3h 26m
      • American Airlines (AA 3111)Airbus
        American Airlines (AA 360)Airbus
      • American Airlines (AA 3111)
        • -
        • -
        • W
        • -
        • -
        • S
        • -
      • 09:10 BOS
        15:26 SFO
        9Hrs, 16m 1 Stop (DEN)
      • BOSBoston Logan International Airport 09:10 - SFO 15:26 9h 16m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 09:10
        DENDenver Intl Airport 13:35
      • DENDenver Intl Airport 12:00
        SFOSan Francisco International Airport 15:26
      • 9h 16m (1h 35m)
      • 1 Stop DEN · Denver 1h 35m
      • United Airlines (UA 662)Boeing 737 800
        United Airlines (UA 1803)Boeing 737 900
      • United Airlines (UA 662)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 09:35 BOS
        15:44 SFO
        9Hrs, 09m 1 Stop (IAD)
      • BOSBoston Logan International Airport 09:35 - SFO 15:44 9h 09m 1 Stop (IAD) Washington
      • BOSBoston Logan International Airport 09:35
        IADWashington Dulles International Airport 12:35
      • IADWashington Dulles International Airport 11:21
        SFOSan Francisco International Airport 15:44
      • 9h 09m (1h 14m)
      • 1 Stop IAD · Washington 1h 14m
      • United Airlines (UA 2098)Boeing 737 Max 8 Passenger
        United Airlines (UA 1657)Boeing 737 900
      • United Airlines (UA 2098)
        • -
        • -
        • W
        • T
        • -
        • -
        • -
      • 10:08 BOS
        18:02 SFO
        10Hrs, 54m 1 Stop (CLT)
      • BOSBoston Logan International Airport 10:08 - SFO 18:02 10h 54m 1 Stop (CLT) Charlotte
      • BOSBoston Logan International Airport 10:08
        CLTCharlotte Airport 15:11
      • CLTCharlotte Airport 12:40
        SFOSan Francisco International Airport 18:02
      • 10h 54m (2h 31m)
      • 1 Stop CLT · Charlotte 2h 31m
      • American Airlines (AA 2218)Airbus
        American Airlines (AA 360)Airbus
      • American Airlines (AA 2218)
        • M
        • T
        • -
        • T
        • F
        • -
        • S
      • 10:25 BOS
        15:40 SFO
        8Hrs, 15m 1 Stop (MDW)
      • BOSBoston Logan International Airport 10:25 - SFO 15:40 8h 15m 1 Stop (MDW) Chicago
      • BOSBoston Logan International Airport 10:25
        MDWChicago Midway Airport 13:00
      • MDWChicago Midway Airport 12:10
        SFOSan Francisco International Airport 15:40
      • 8h 15m (50m)
      • 1 Stop MDW · Chicago 50m
      • Southwest Airlines (WN 935)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1841)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 935)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:02 BOS
        17:30 SFO
        9Hrs, 28m 1 Stop (ORD)
      • BOSBoston Logan International Airport 11:02 - SFO 17:30 9h 28m 1 Stop (ORD) Chicago
      • BOSBoston Logan International Airport 11:02
        ORDChicago O'Hare International Airport 14:35
      • ORDChicago O'Hare International Airport 13:00
        SFOSan Francisco International Airport 17:30
      • 9h 28m (1h 35m)
      • 1 Stop ORD · Chicago 1h 35m
      • United Airlines (UA 267)Boeing 737 800
        United Airlines (UA 1577)Airbus A321 Neo
      • United Airlines (UA 267)
        • -
        • -
        • W
        • -
        • -
        • -
        • S
      • 11:02 BOS
        19:01 SFO
        10Hrs, 59m 1 Stop (ORD)
      • BOSBoston Logan International Airport 11:02 - SFO 19:01 10h 59m 1 Stop (ORD) Chicago
      • BOSBoston Logan International Airport 11:02
        ORDChicago O'Hare International Airport 16:20
      • ORDChicago O'Hare International Airport 13:00
        SFOSan Francisco International Airport 19:01
      • 10h 59m (3h 20m)
      • 1 Stop ORD · Chicago 3h 20m
      • United Airlines (UA 267)Boeing 737 800
        United Airlines (UA 2409)Boeing 787 8
      • United Airlines (UA 267)
        • -
        • -
        • W
        • -
        • -
        • -
        • S
      • 11:07 BOS
        19:01 SFO
        10Hrs, 54m 1 Stop (ORD)
      • BOSBoston Logan International Airport 11:07 - SFO 19:01 10h 54m 1 Stop (ORD) Chicago
      • BOSBoston Logan International Airport 11:07
        ORDChicago O'Hare International Airport 16:20
      • ORDChicago O'Hare International Airport 13:05
        SFOSan Francisco International Airport 19:01
      • 10h 54m (3h 15m)
      • 1 Stop ORD · Chicago 3h 15m
      • United Airlines (UA 267)Boeing 737 800
        United Airlines (UA 2409)Boeing 787 8
      • United Airlines (UA 267)
        • -
        • T
        • -
        • T
        • F
        • -
        • -
      • 12:32 BOS
        19:12 SFO
        9Hrs, 40m 1 Stop (DFW)
      • BOSBoston Logan International Airport 12:32 - SFO 19:12 9h 40m 1 Stop (DFW) Dallas
      • BOSBoston Logan International Airport 12:32
        DFWDallas/Fort Worth Intl Airport 17:15
      • DFWDallas/Fort Worth Intl Airport 16:13
        SFOSan Francisco International Airport 19:12
      • 9h 40m (1h 02m)
      • 1 Stop DFW · Dallas 1h 02m
      • American Airlines (AA 1438)Boeing 737 800
        American Airlines (AA 2810)Boeing 737 800
      • American Airlines (AA 1438)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:33 BOS
        21:01 SFO
        11Hrs, 28m 1 Stop (DFW)
      • BOSBoston Logan International Airport 12:33 - SFO 21:01 11h 28m 1 Stop (DFW) Dallas
      • BOSBoston Logan International Airport 12:33
        DFWDallas/Fort Worth Intl Airport 19:04
      • DFWDallas/Fort Worth Intl Airport 16:14
        SFOSan Francisco International Airport 21:01
      • 11h 28m (2h 50m)
      • 1 Stop DFW · Dallas 2h 50m
      • American Airlines (AA 1438)Boeing 737 800
        American Airlines (AA 1430)Airbus
      • American Airlines (AA 1438)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:33 BOS
        19:12 SFO
        9Hrs, 39m 1 Stop (DFW)
      • BOSBoston Logan International Airport 12:33 - SFO 19:12 9h 39m 1 Stop (DFW) Dallas
      • BOSBoston Logan International Airport 12:33
        DFWDallas/Fort Worth Intl Airport 17:15
      • DFWDallas/Fort Worth Intl Airport 16:14
        SFOSan Francisco International Airport 19:12
      • 9h 39m (1h 01m)
      • 1 Stop DFW · Dallas 1h 01m
      • American Airlines (AA 1438)Boeing 737 800
        American Airlines (AA 2810)Boeing 737 800
      • American Airlines (AA 1438)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:40 BOS
        20:39 SFO
        10Hrs, 59m 1 Stop (JFK)
      • BOSBoston Logan International Airport 12:40 - SFO 20:39 10h 59m 1 Stop (JFK) New York City
      • BOSBoston Logan International Airport 12:40
        JFKNew York John F. Kennedy International Airport 17:00
      • JFKNew York John F. Kennedy International Airport 13:58
        SFOSan Francisco International Airport 20:39
      • 10h 59m (3h 02m)
      • 1 Stop JFK · New York City 3h 02m
      • JetBlue Airways (B6 817)Embraer Emb E90
        JetBlue Airways (B6 1041)Airbus Industrie A321
      • JetBlue Airways (B6 817)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:10 BOS
        20:55 SFO
        10Hrs, 45m 1 Stop (CLT)
      • BOSBoston Logan International Airport 13:10 - SFO 20:55 10h 45m 1 Stop (CLT) Charlotte
      • BOSBoston Logan International Airport 13:10
        CLTCharlotte Airport 18:08
      • CLTCharlotte Airport 15:44
        SFOSan Francisco International Airport 20:55
      • 10h 45m (2h 24m)
      • 1 Stop CLT · Charlotte 2h 24m
      • American Airlines (AA 3040)Airbus
        American Airlines (AA 2410)Airbus
      • American Airlines (AA 3040)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:10 BOS
        19:43 SFO
        9Hrs, 33m 1 Stop (CLT)
      • BOSBoston Logan International Airport 13:10 - SFO 19:43 9h 33m 1 Stop (CLT) Charlotte
      • BOSBoston Logan International Airport 13:10
        CLTCharlotte Airport 16:58
      • CLTCharlotte Airport 15:44
        SFOSan Francisco International Airport 19:43
      • 9h 33m (1h 14m)
      • 1 Stop CLT · Charlotte 1h 14m
      • American Airlines (AA 3040)Airbus
        American Airlines (AA 430)Airbus
      • American Airlines (AA 3040)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 13:24 BOS
        21:13 SFO
        10Hrs, 49m 1 Stop (IAH)
      • BOSBoston Logan International Airport 13:24 - SFO 21:13 10h 49m 1 Stop (IAH) Houston
      • BOSBoston Logan International Airport 13:24
        IAHHouston George Bush Intercontinental Airport 18:45
      • IAHHouston George Bush Intercontinental Airport 17:06
        SFOSan Francisco International Airport 21:13
      • 10h 49m (1h 39m)
      • 1 Stop IAH · Houston 1h 39m
      • United Airlines (UA 1976)Boeing 737 800
        United Airlines (UA 2414)Boeing 757 300 Series
      • United Airlines (UA 1976)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 13:55 BOS
        21:30 SFO
        10Hrs, 35m 1 Stop (DEN)
      • BOSBoston Logan International Airport 13:55 - SFO 21:30 10h 35m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 13:55
        DENDenver Intl Airport 19:45
      • DENDenver Intl Airport 16:35
        SFOSan Francisco International Airport 21:30
      • 10h 35m (3h 10m)
      • 1 Stop DEN · Denver 3h 10m
      • Southwest Airlines (WN 451)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1888)Boeing 737 800
      • Southwest Airlines (WN 451)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 14:19 BOS
        20:33 SFO
        9Hrs, 14m 1 Stop (DCA)
      • BOSBoston Logan International Airport 14:19 - SFO 20:33 9h 14m 1 Stop (DCA) Washington
      • BOSBoston Logan International Airport 14:19
        DCAWashington Ronald Reagan National Airport 17:15
      • DCAWashington Ronald Reagan National Airport 16:07
        SFOSan Francisco International Airport 20:33
      • 9h 14m (1h 08m)
      • 1 Stop DCA · Washington 1h 08m
      • American Airlines (AA 4756)Embraer Emb 175
        Alaska Airlines (AS 7)Boeing 737 800
      • American Airlines (AA 4756)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 14:37 BOS
        23:02 SFO
        11Hrs, 25m 1 Stop (CLT)
      • BOSBoston Logan International Airport 14:37 - SFO 23:02 11h 25m 1 Stop (CLT) Charlotte
      • BOSBoston Logan International Airport 14:37
        CLTCharlotte Airport 20:15
      • CLTCharlotte Airport 17:10
        SFOSan Francisco International Airport 23:02
      • 11h 25m (3h 05m)
      • 1 Stop CLT · Charlotte 3h 05m
      • American Airlines (AA 1445)Airbus
        American Airlines (AA 1580)Airbus
      • American Airlines (AA 1445)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 14:57 BOS
        23:33 SFO
        11Hrs, 36m 1 Stop (EWR)
      • BOSBoston Logan International Airport 14:57 - SFO 23:33 11h 36m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 14:57
        EWRNewark Liberty International Airport 20:00
      • EWRNewark Liberty International Airport 16:29
        SFOSan Francisco International Airport 23:33
      • 11h 36m (3h 31m)
      • 1 Stop EWR · New York City 3h 31m
      • United Airlines (UA 3436)Embraer 175
        United Airlines (UA 448)Boeing 757 200 Series
      • United Airlines (UA 3436)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 14:57 BOS
        20:47 SFO
        8Hrs, 50m 1 Stop (EWR)
      • BOSBoston Logan International Airport 14:57 - SFO 20:47 8h 50m 1 Stop (EWR) New York City
      • BOSBoston Logan International Airport 14:57
        EWRNewark Liberty International Airport 17:30
      • EWRNewark Liberty International Airport 16:29
        SFOSan Francisco International Airport 20:47
      • 8h 50m (1h 01m)
      • 1 Stop EWR · New York City 1h 01m
      • United Airlines (UA 3436)Embraer 175
        United Airlines (UA 548)Boeing 787 9
      • United Airlines (UA 3436)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 15:15 BOS
        23:03 SFO
        10Hrs, 48m 1 Stop (DEN)
      • BOSBoston Logan International Airport 15:15 - SFO 23:03 10h 48m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 15:15
        DENDenver Intl Airport 21:15
      • DENDenver Intl Airport 18:05
        SFOSan Francisco International Airport 23:03
      • 10h 48m (3h 10m)
      • 1 Stop DEN · Denver 3h 10m
      • United Airlines (UA 1303)Airbus
        United Airlines (UA 2190)Boeing 777
      • United Airlines (UA 1303)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 15:15 BOS
        21:28 SFO
        9Hrs, 13m 1 Stop (DEN)
      • BOSBoston Logan International Airport 15:15 - SFO 21:28 9h 13m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 15:15
        DENDenver Intl Airport 19:37
      • DENDenver Intl Airport 18:05
        SFOSan Francisco International Airport 21:28
      • 9h 13m (1h 32m)
      • 1 Stop DEN · Denver 1h 32m
      • United Airlines (UA 1303)Airbus
        United Airlines (UA 247)Boeing 737 800
      • United Airlines (UA 1303)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 15:20 BOS
        22:35 SFO
        10Hrs, 15m 1 Stop (DEN)
      • BOSBoston Logan International Airport 15:20 - SFO 22:35 10h 15m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 15:20
        DENDenver Intl Airport 20:50
      • DENDenver Intl Airport 18:00
        SFOSan Francisco International Airport 22:35
      • 10h 15m (2h 50m)
      • 1 Stop DEN · Denver 2h 50m
      • Southwest Airlines (WN 2986)Boeing 737 800
        Southwest Airlines (WN 4789)Boeing 737 800
      • Southwest Airlines (WN 2986)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 15:20 BOS
        22:35 SFO
        10Hrs, 15m 1 Stop (DEN)
      • BOSBoston Logan International Airport 15:20 - SFO 22:35 10h 15m 1 Stop (DEN) Denver
      • BOSBoston Logan International Airport 15:20
        DENDenver Intl Airport 20:50
      • DENDenver Intl Airport 18:00
        SFOSan Francisco International Airport 22:35
      • 10h 15m (2h 50m)
      • 1 Stop DEN · Denver 2h 50m
      • Southwest Airlines (WN 2986)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4789)Boeing 737 800
      • Southwest Airlines (WN 2986)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 15:25 BOS
        23:03 SFO
        10Hrs, 38m 1 Stop (IAH)
      • BOSBoston Logan International Airport 15:25 - SFO 23:03 10h 38m 1 Stop (IAH) Houston
      • BOSBoston Logan International Airport 15:25
        IAHHouston George Bush Intercontinental Airport 20:35
      • IAHHouston George Bush Intercontinental Airport 19:09
        SFOSan Francisco International Airport 23:03
      • 10h 38m (1h 26m)
      • 1 Stop IAH · Houston 1h 26m
      • United Airlines (UA 2384)Airbus
        United Airlines (UA 2313)Boeing 757 200 Series
      • United Airlines (UA 2384)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • 15:25 BOS
        23:59 SFO
        11Hrs, 34m 1 Stop (IAH)
      • BOSBoston Logan International Airport 15:25 - SFO 23:59 11h 34m 1 Stop (IAH) Houston
      • BOSBoston Logan International Airport 15:25
        IAHHouston George Bush Intercontinental Airport 21:35
      • IAHHouston George Bush Intercontinental Airport 19:09
        SFOSan Francisco International Airport 23:59
      • 11h 34m (2h 26m)
      • 1 Stop IAH · Houston 2h 26m
      • United Airlines (UA 2384)Airbus
        United Airlines (UA 725)Boeing 737 Max 9 Passenger
      • United Airlines (UA 2384)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
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      What’s the fastest flight time from Boston to San Francisco?

      The fastest flight time for direct flights from Boston to San Francisco is 6 hours 49 minutes. Check latest flight schedules & prices on Wego.

      What’s the most popular airline flying from Boston to San Francisco?

      The most popular airline flying from Boston to San Francisco is JetBlue Airways. Find the latest flight deals on Wego.

      How far is San Francisco from Boston?

      The flight distance between Boston and San Francisco is 4334km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:35. The last flight of the day departs at 19:15. See the full list of flight times on Wego.

      How many airlines offer direct flights from Boston to San Francisco?

      There are 2 airlines that offer direct flights from Boston to San Francisco. Find out the list of airlines on Wego.

      All Airports in Boston

      Boston Logan International Airport BOS

      All Airports in San Francisco

      San Francisco International Airport SFO

      Popular Airlines Flying From Boston to San Francisco

      JetBlue Airways ‏()

      Popular Destinations From San Francisco

      Popular Destinations From Boston

      Popular Hotels in San Francisco

      Hotels In Popular Destinations