Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Icelandair

The cheapest airline(s) flying from London to Seattle is Icelandair.

  • Icelandair Icelandair
  • WestJet WestJet
  • American Airlines American Airlines
  • Virgin Atlantic Airways Virgin Atlantic Airways
  • Lufthansa Lufthansa
  • British Airways British Airways
  • Air France Air France
  • KLM KLM
  • United Airlines United Airlines
  • Air Canada Air Canada
Cheapest Month January

Travel Period: January 2025 - December 2025

The cheapest month(s) to fly from London to Seattle is January.

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

The cheapest day(s) of the week to fly from London to Seattle is Wednesday.

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

Flight Schedules

Last Updated: Mon, 2 Dec, 2024

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    • Airline Filter by Airline
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      • Availability
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 09:25 LHR
        11:20 SEA
        9Hrs, 55m Direct
      • LHRLondon Heathrow Airport 09:25 - SEA 11:20 9h 55m Direct
      • LHRLondon Heathrow Airport 09:25
      • SEASeattle/Tacoma International Airport 11:20
      • 9h 55m
      • Direct
      • British Airways (BA 53)Boeing Dreamliner Series 10
      • British Airways (BA 53)
        • -
        • T
        • -
        • -
        • F
        • S
        • -
      • Boeing Dreamliner Series 10
      • 12:40 LHR
        14:40 SEA
        10Hrs, 00m Direct
      • LHRLondon Heathrow Airport 12:40 - SEA 14:40 10h Direct
      • LHRLondon Heathrow Airport 12:40
      • SEASeattle/Tacoma International Airport 14:40
      • 10h
      • Direct
      • Virgin Atlantic Airways (VS 105)Boeing 787 9
      • Virgin Atlantic Airways (VS 105)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • Boeing 787 9
      • 13:05 LHR
        15:05 SEA
        10Hrs, 00m Direct
      • LHRLondon Heathrow Airport 13:05 - SEA 15:05 10h Direct
      • LHRLondon Heathrow Airport 13:05
      • SEASeattle/Tacoma International Airport 15:05
      • 10h
      • Direct
      • Virgin Atlantic Airways (VS 105)Boeing 787 9
      • Virgin Atlantic Airways (VS 105)
        • -
        • -
        • -
        • -
        • -
        • S
        • S
      • Boeing 787 9
      • 13:15 LHR
        15:15 SEA
        10Hrs, 00m Direct
      • LHRLondon Heathrow Airport 13:15 - SEA 15:15 10h Direct
      • LHRLondon Heathrow Airport 13:15
      • SEASeattle/Tacoma International Airport 15:15
      • 10h
      • Direct
      • Virgin Atlantic Airways (VS 105)Boeing 787 9
      • Virgin Atlantic Airways (VS 105)
        • M
        • T
        • -
        • -
        • -
        • -
        • -
      • Boeing 787 9
      • 15:00 LHR
        16:55 SEA
        9Hrs, 55m Direct
      • LHRLondon Heathrow Airport 15:00 - SEA 16:55 9h 55m Direct
      • LHRLondon Heathrow Airport 15:00
      • SEASeattle/Tacoma International Airport 16:55
      • 9h 55m
      • Direct
      • British Airways (BA 49)Boeing Dreamliner Series 10
      • British Airways (BA 49)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • Boeing Dreamliner Series 10
      • 06:20 LHR
        11:20 SEA
        13Hrs, 00m 1 Stop (CDG)
      • LHRLondon Heathrow Airport 06:20 - SEA 11:20 13h 1 Stop (CDG) Paris
      • LHRLondon Heathrow Airport 06:20
        CDGParis Charles de Gaulle Airport 10:10
      • CDGParis Charles de Gaulle Airport 08:40
        SEASeattle/Tacoma International Airport 11:20
      • 13h (1h 30m)
      • 1 Stop CDG · Paris 1h 30m
      • Air France (AF 1381)Airbus A220 300
        Air France (AF 368)Airbus A359
      • Air France (AF 1381)
        • -
        • T
        • -
        • T
        • -
        • S
        • -
      • 06:35 LHR
        13:20 SEA
        14Hrs, 45m 1 Stop (MUC)
      • LHRLondon Heathrow Airport 06:35 - SEA 13:20 14h 45m 1 Stop (MUC) Munich
      • LHRLondon Heathrow Airport 06:35
        MUCMunich International Airport 11:40
      • MUCMunich International Airport 09:25
        SEASeattle/Tacoma International Airport 13:20
      • 14h 45m (2h 15m)
      • 1 Stop MUC · Munich 2h 15m
      • Lufthansa (LH 2485)Airbus A320 Neo
        Lufthansa (LH 488)Airbus A359
      • Lufthansa (LH 2485)
        • -
        • T
        • -
        • -
        • F
        • -
        • -
      • 10:00 LHR
        18:52 SEA
        16Hrs, 52m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 10:00 - SEA 18:52 16h 52m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 10:00
        LAXLos Angeles International Airport 15:43
      • LAXLos Angeles International Airport 13:30
        SEASeattle/Tacoma International Airport 18:52
      • 16h 52m (2h 13m)
      • 1 Stop LAX · Los Angeles 2h 13m
      • British Airways (BA 283)Boeing 777 300 Er
        American Airlines (AA 4882)Crj 700 Canadair Regional
      • British Airways (BA 283)
        • M
        • -
        • -
        • -
        • -
        • S
        • S
      • 10:00 LHR
        19:09 SEA
        17Hrs, 09m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 10:00 - SEA 19:09 17h 09m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 10:00
        LAXLos Angeles International Airport 16:00
      • LAXLos Angeles International Airport 13:30
        SEASeattle/Tacoma International Airport 19:09
      • 17h 09m (2h 30m)
      • 1 Stop LAX · Los Angeles 2h 30m
      • British Airways (BA 283)Boeing 777 300 Er
        American Airlines (AA 4882)Crj 700 Canadair Regional
      • British Airways (BA 283)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 10:05 LHR
        18:52 SEA
        16Hrs, 47m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 10:05 - SEA 18:52 16h 47m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 10:05
        LAXLos Angeles International Airport 15:43
      • LAXLos Angeles International Airport 13:35
        SEASeattle/Tacoma International Airport 18:52
      • 16h 47m (2h 08m)
      • 1 Stop LAX · Los Angeles 2h 08m
      • British Airways (BA 283)Boeing 777 300 Er
        American Airlines (AA 4882)Crj 700 Canadair Regional
      • British Airways (BA 283)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 10:05 LHR
        19:05 SEA
        17Hrs, 00m 1 Stop (CLT)
      • LHRLondon Heathrow Airport 10:05 - SEA 19:05 17h 1 Stop (CLT) Charlotte
      • LHRLondon Heathrow Airport 10:05
        CLTCharlotte Airport 16:18
      • CLTCharlotte Airport 14:25
        SEASeattle/Tacoma International Airport 19:05
      • 17h (1h 53m)
      • 1 Stop CLT · Charlotte 1h 53m
      • American Airlines (AA 735)Boeing 777 300 Er
        American Airlines (AA 506)Airbus
      • American Airlines (AA 735)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 10:05 LHR
        19:05 SEA
        17Hrs, 00m 1 Stop (SFO)
      • LHRLondon Heathrow Airport 10:05 - SEA 19:05 17h 1 Stop (SFO) San Francisco
      • LHRLondon Heathrow Airport 10:05
        SFOSan Francisco International Airport 16:45
      • SFOSan Francisco International Airport 13:15
        SEASeattle/Tacoma International Airport 19:05
      • 17h (3h 30m)
      • 1 Stop SFO · San Francisco 3h 30m
      • United Airlines (UA 900)Boeing 777
        United Airlines (UA 1657)Boeing 737 900
      • United Airlines (UA 900)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 10:10 LHR
        18:52 SEA
        16Hrs, 42m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 10:10 - SEA 18:52 16h 42m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 10:10
        LAXLos Angeles International Airport 15:43
      • LAXLos Angeles International Airport 13:40
        SEASeattle/Tacoma International Airport 18:52
      • 16h 42m (2h 03m)
      • 1 Stop LAX · Los Angeles 2h 03m
      • British Airways (BA 283)Boeing 777 300 Er
        American Airlines (AA 4882)Crj 700 Canadair Regional
      • British Airways (BA 283)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 10:25 LHR
        18:41 SEA
        16Hrs, 16m 1 Stop (ORD)
      • LHRLondon Heathrow Airport 10:25 - SEA 18:41 16h 16m 1 Stop (ORD) Chicago
      • LHRLondon Heathrow Airport 10:25
        ORDChicago O'Hare International Airport 15:55
      • ORDChicago O'Hare International Airport 13:50
        SEASeattle/Tacoma International Airport 18:41
      • 16h 16m (2h 05m)
      • 1 Stop ORD · Chicago 2h 05m
      • United Airlines (UA 958)Boeing 767
        United Airlines (UA 2278)Airbus
      • United Airlines (UA 958)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 10:40 LHR
        19:00 SEA
        16Hrs, 20m 1 Stop (DFW)
      • LHRLondon Heathrow Airport 10:40 - SEA 19:00 16h 20m 1 Stop (DFW) Dallas
      • LHRLondon Heathrow Airport 10:40
        DFWDallas/Fort Worth Intl Airport 16:35
      • DFWDallas/Fort Worth Intl Airport 15:00
        SEASeattle/Tacoma International Airport 19:00
      • 16h 20m (1h 35m)
      • 1 Stop DFW · Dallas 1h 35m
      • British Airways (BA 193)Boeing 777 300 Er
        American Airlines (AA 2009)Airbus
      • British Airways (BA 193)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 11:15 LHR
        20:29 SEA
        17Hrs, 14m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 11:15 - SEA 20:29 17h 14m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 11:15
        LAXLos Angeles International Airport 17:28
      • LAXLos Angeles International Airport 14:45
        SEASeattle/Tacoma International Airport 20:29
      • 17h 14m (2h 43m)
      • 1 Stop LAX · Los Angeles 2h 43m
      • American Airlines (AA 137)Boeing 777 200
        Alaska Airlines (AS 1301)Boeing 737 Max 9 Passenger
      • American Airlines (AA 137)
        • -
        • -
        • W
        • T
        • -
        • -
        • -
      • 11:15 LHR
        20:29 SEA
        17Hrs, 14m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 11:15 - SEA 20:29 17h 14m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 11:15
        LAXLos Angeles International Airport 17:28
      • LAXLos Angeles International Airport 14:45
        SEASeattle/Tacoma International Airport 20:29
      • 17h 14m (2h 43m)
      • 1 Stop LAX · Los Angeles 2h 43m
      • American Airlines (AA 137)Boeing 777 200
        Alaska Airlines (AS 1301)Boeing 737 900
      • American Airlines (AA 137)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 11:15 LHR
        20:29 SEA
        17Hrs, 14m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 11:15 - SEA 20:29 17h 14m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 11:15
        LAXLos Angeles International Airport 17:28
      • LAXLos Angeles International Airport 14:45
        SEASeattle/Tacoma International Airport 20:29
      • 17h 14m (2h 43m)
      • 1 Stop LAX · Los Angeles 2h 43m
      • American Airlines (AA 137)Boeing 777 200
        Alaska Airlines (AS 1301)Boeing 737
      • American Airlines (AA 137)
        • M
        • -
        • -
        • -
        • -
        • S
        • S
      • 11:35 LHR
        18:04 SEA
        14Hrs, 29m 1 Stop (DEN)
      • LHRLondon Heathrow Airport 11:35 - SEA 18:04 14h 29m 1 Stop (DEN) Denver
      • LHRLondon Heathrow Airport 11:35
        DENDenver Intl Airport 15:59
      • DENDenver Intl Airport 14:25
        SEASeattle/Tacoma International Airport 18:04
      • 14h 29m (1h 34m)
      • 1 Stop DEN · Denver 1h 34m
      • United Airlines (UA 26)Boeing 787 9
        United Airlines (UA 745)Airbus
      • United Airlines (UA 26)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 11:35 LHR
        18:04 SEA
        14Hrs, 29m 1 Stop (DEN)
      • LHRLondon Heathrow Airport 11:35 - SEA 18:04 14h 29m 1 Stop (DEN) Denver
      • LHRLondon Heathrow Airport 11:35
        DENDenver Intl Airport 15:59
      • DENDenver Intl Airport 14:25
        SEASeattle/Tacoma International Airport 18:04
      • 14h 29m (1h 34m)
      • 1 Stop DEN · Denver 1h 34m
      • United Airlines (UA 26)Boeing 787 9
        United Airlines (UA 745)Boeing 737 Max 9 Passenger
      • United Airlines (UA 26)
        • M
        • -
        • -
        • T
        • F
        • -
        • S
      • 11:35 LHR
        18:14 SEA
        14Hrs, 39m 1 Stop (DEN)
      • LHRLondon Heathrow Airport 11:35 - SEA 18:14 14h 39m 1 Stop (DEN) Denver
      • LHRLondon Heathrow Airport 11:35
        DENDenver Intl Airport 16:09
      • DENDenver Intl Airport 14:25
        SEASeattle/Tacoma International Airport 18:14
      • 14h 39m (1h 44m)
      • 1 Stop DEN · Denver 1h 44m
      • United Airlines (UA 26)Boeing 787 9
        United Airlines (UA 745)Boeing 737 900
      • United Airlines (UA 26)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:45 LHR
        21:00 SEA
        17Hrs, 15m 1 Stop (SFO)
      • LHRLondon Heathrow Airport 11:45 - SEA 21:00 17h 15m 1 Stop (SFO) San Francisco
      • LHRLondon Heathrow Airport 11:45
        SFOSan Francisco International Airport 18:45
      • SFOSan Francisco International Airport 15:00
        SEASeattle/Tacoma International Airport 21:00
      • 17h 15m (3h 45m)
      • 1 Stop SFO · San Francisco 3h 45m
      • British Airways (BA 285)Airbus Industrie A380 800
        Alaska Airlines (AS 720)Boeing 737
      • British Airways (BA 285)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 11:45 LHR
        21:00 SEA
        17Hrs, 15m 1 Stop (SFO)
      • LHRLondon Heathrow Airport 11:45 - SEA 21:00 17h 15m 1 Stop (SFO) San Francisco
      • LHRLondon Heathrow Airport 11:45
        SFOSan Francisco International Airport 18:45
      • SFOSan Francisco International Airport 15:00
        SEASeattle/Tacoma International Airport 21:00
      • 17h 15m (3h 45m)
      • 1 Stop SFO · San Francisco 3h 45m
      • British Airways (BA 285)Airbus Industrie A380 800
        Alaska Airlines (AS 720)Boeing 737 Max 9 Passenger
      • British Airways (BA 285)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 11:50 LHR
        21:01 SEA
        17Hrs, 11m 1 Stop (CLT)
      • LHRLondon Heathrow Airport 11:50 - SEA 21:01 17h 11m 1 Stop (CLT) Charlotte
      • LHRLondon Heathrow Airport 11:50
        CLTCharlotte Airport 18:13
      • CLTCharlotte Airport 16:10
        SEASeattle/Tacoma International Airport 21:01
      • 17h 11m (2h 03m)
      • 1 Stop CLT · Charlotte 2h 03m
      • American Airlines (AA 733)Boeing 777 200
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 733)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 11:55 LGW
        17:00 SEA
        13Hrs, 05m 1 Stop (KEF)
      • LGWLondon Gatwick Airport 11:55 - SEA 17:00 13h 05m 1 Stop (KEF) Reykjavik
      • LGWLondon Gatwick Airport 11:55
        KEFReykjavik Keflavik International Airport 17:05
      • KEFReykjavik Keflavik International Airport 15:20
        SEASeattle/Tacoma International Airport 17:00
      • 13h 05m (1h 45m)
      • 1 Stop KEF · Reykjavik 1h 45m
      • Icelandair (FI 471)Boeing 737 Max 8 Passenger
        Icelandair (FI 681)Boeing 737 Max 8 Passenger
      • Icelandair (FI 471)
        • -
        • -
        • -
        • T
        • -
        • -
        • S
      • 11:55 LGW
        17:00 SEA
        13Hrs, 05m 1 Stop (KEF)
      • LGWLondon Gatwick Airport 11:55 - SEA 17:00 13h 05m 1 Stop (KEF) Reykjavik
      • LGWLondon Gatwick Airport 11:55
        KEFReykjavik Keflavik International Airport 17:05
      • KEFReykjavik Keflavik International Airport 15:20
        SEASeattle/Tacoma International Airport 17:00
      • 13h 05m (1h 45m)
      • 1 Stop KEF · Reykjavik 1h 45m
      • Icelandair (FI 471)Boeing 737 Max 8 Passenger
        Icelandair (FI 681)Boeing 757 200 Winglets
      • Icelandair (FI 471)
        • -
        • T
        • -
        • -
        • F
        • S
        • -
      • 11:55 LGW
        17:00 SEA
        13Hrs, 05m 1 Stop (KEF)
      • LGWLondon Gatwick Airport 11:55 - SEA 17:00 13h 05m 1 Stop (KEF) Reykjavik
      • LGWLondon Gatwick Airport 11:55
        KEFReykjavik Keflavik International Airport 17:05
      • KEFReykjavik Keflavik International Airport 15:20
        SEASeattle/Tacoma International Airport 17:00
      • 13h 05m (1h 45m)
      • 1 Stop KEF · Reykjavik 1h 45m
      • Icelandair (FI 471)Boeing 737 Max 9 Passenger
        Icelandair (FI 681)Boeing 757 200 Winglets
      • Icelandair (FI 471)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 11:55 LHR
        20:36 SEA
        16Hrs, 41m 1 Stop (ORD)
      • LHRLondon Heathrow Airport 11:55 - SEA 20:36 16h 41m 1 Stop (ORD) Chicago
      • LHRLondon Heathrow Airport 11:55
        ORDChicago O'Hare International Airport 17:50
      • ORDChicago O'Hare International Airport 14:45
        SEASeattle/Tacoma International Airport 20:36
      • 16h 41m (3h 05m)
      • 1 Stop ORD · Chicago 3h 05m
      • American Airlines (AA 91)Boeing 787 9
        Alaska Airlines (AS 353)Boeing 737 Max 9 Passenger
      • American Airlines (AA 91)
        • -
        • T
        • W
        • T
        • F
        • -
        • -
      • 11:55 LHR
        20:36 SEA
        16Hrs, 41m 1 Stop (ORD)
      • LHRLondon Heathrow Airport 11:55 - SEA 20:36 16h 41m 1 Stop (ORD) Chicago
      • LHRLondon Heathrow Airport 11:55
        ORDChicago O'Hare International Airport 17:50
      • ORDChicago O'Hare International Airport 14:45
        SEASeattle/Tacoma International Airport 20:36
      • 16h 41m (3h 05m)
      • 1 Stop ORD · Chicago 3h 05m
      • American Airlines (AA 91)Boeing 787 9
        Alaska Airlines (AS 353)Boeing 737
      • American Airlines (AA 91)
        • M
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:55 LHR
        20:36 SEA
        16Hrs, 41m 1 Stop (ORD)
      • LHRLondon Heathrow Airport 11:55 - SEA 20:36 16h 41m 1 Stop (ORD) Chicago
      • LHRLondon Heathrow Airport 11:55
        ORDChicago O'Hare International Airport 17:50
      • ORDChicago O'Hare International Airport 14:45
        SEASeattle/Tacoma International Airport 20:36
      • 16h 41m (3h 05m)
      • 1 Stop ORD · Chicago 3h 05m
      • American Airlines (AA 91)Boeing 787 9
        Alaska Airlines (AS 353)Boeing 737 800
      • American Airlines (AA 91)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:05 LHR
        20:31 SEA
        16Hrs, 26m 1 Stop (IAD)
      • LHRLondon Heathrow Airport 12:05 - SEA 20:31 16h 26m 1 Stop (IAD) Washington
      • LHRLondon Heathrow Airport 12:05
        IADWashington Dulles International Airport 17:28
      • IADWashington Dulles International Airport 15:40
        SEASeattle/Tacoma International Airport 20:31
      • 16h 26m (1h 48m)
      • 1 Stop IAD · Washington 1h 48m
      • United Airlines (UA 919)Boeing 777
        United Airlines (UA 326)Boeing 737 800
      • United Airlines (UA 919)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 12:05 LHR
        20:36 SEA
        16Hrs, 31m 1 Stop (IAD)
      • LHRLondon Heathrow Airport 12:05 - SEA 20:36 16h 31m 1 Stop (IAD) Washington
      • LHRLondon Heathrow Airport 12:05
        IADWashington Dulles International Airport 17:33
      • IADWashington Dulles International Airport 15:40
        SEASeattle/Tacoma International Airport 20:36
      • 16h 31m (1h 53m)
      • 1 Stop IAD · Washington 1h 53m
      • United Airlines (UA 919)Boeing 777
        United Airlines (UA 326)Boeing 737 800
      • United Airlines (UA 919)
        • -
        • T
        • W
        • T
        • F
        • S
        • S
      • 12:10 LHR
        21:18 SEA
        17Hrs, 08m 1 Stop (DFW)
      • LHRLondon Heathrow Airport 12:10 - SEA 21:18 17h 08m 1 Stop (DFW) Dallas
      • LHRLondon Heathrow Airport 12:10
        DFWDallas/Fort Worth Intl Airport 18:52
      • DFWDallas/Fort Worth Intl Airport 16:45
        SEASeattle/Tacoma International Airport 21:18
      • 17h 08m (2h 07m)
      • 1 Stop DFW · Dallas 2h 07m
      • American Airlines (AA 81)Boeing 777 200
        American Airlines (AA 2003)Airbus A321 Neo
      • American Airlines (AA 81)
        • -
        • -
        • -
        • -
        • F
        • S
        • S
      • 12:15 LHR
        17:00 SEA
        12Hrs, 45m 1 Stop (KEF)
      • LHRLondon Heathrow Airport 12:15 - SEA 17:00 12h 45m 1 Stop (KEF) Reykjavik
      • LHRLondon Heathrow Airport 12:15
        KEFReykjavik Keflavik International Airport 17:05
      • KEFReykjavik Keflavik International Airport 15:30
        SEASeattle/Tacoma International Airport 17:00
      • 12h 45m (1h 35m)
      • 1 Stop KEF · Reykjavik 1h 35m
      • Icelandair (FI 451)Boeing 767 300
        Icelandair (FI 681)Boeing 757 200 Winglets
      • Icelandair (FI 451)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 12:15 LHR
        17:00 SEA
        12Hrs, 45m 1 Stop (KEF)
      • LHRLondon Heathrow Airport 12:15 - SEA 17:00 12h 45m 1 Stop (KEF) Reykjavik
      • LHRLondon Heathrow Airport 12:15
        KEFReykjavik Keflavik International Airport 17:05
      • KEFReykjavik Keflavik International Airport 15:30
        SEASeattle/Tacoma International Airport 17:00
      • 12h 45m (1h 35m)
      • 1 Stop KEF · Reykjavik 1h 35m
      • Icelandair (FI 451)Boeing 737 Max 8 Passenger
        Icelandair (FI 681)Boeing 757 200 Winglets
      • Icelandair (FI 451)
        • M
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:15 LHR
        17:00 SEA
        12Hrs, 45m 1 Stop (KEF)
      • LHRLondon Heathrow Airport 12:15 - SEA 17:00 12h 45m 1 Stop (KEF) Reykjavik
      • LHRLondon Heathrow Airport 12:15
        KEFReykjavik Keflavik International Airport 17:05
      • KEFReykjavik Keflavik International Airport 15:30
        SEASeattle/Tacoma International Airport 17:00
      • 12h 45m (1h 35m)
      • 1 Stop KEF · Reykjavik 1h 35m
      • Icelandair (FI 451)Boeing 737 Max 9 Passenger
        Icelandair (FI 681)Boeing 757 200 Winglets
      • Icelandair (FI 451)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 12:15 LHR
        17:00 SEA
        12Hrs, 45m 1 Stop (KEF)
      • LHRLondon Heathrow Airport 12:15 - SEA 17:00 12h 45m 1 Stop (KEF) Reykjavik
      • LHRLondon Heathrow Airport 12:15
        KEFReykjavik Keflavik International Airport 17:05
      • KEFReykjavik Keflavik International Airport 15:30
        SEASeattle/Tacoma International Airport 17:00
      • 12h 45m (1h 35m)
      • 1 Stop KEF · Reykjavik 1h 35m
      • Icelandair (FI 451)Boeing 737 Max 8 Passenger
        Icelandair (FI 681)Boeing 737 Max 8 Passenger
      • Icelandair (FI 451)
        • -
        • -
        • -
        • T
        • -
        • -
        • S
      • 12:30 LHR
        21:00 SEA
        16Hrs, 30m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 12:30 - SEA 21:00 16h 30m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 12:30
        LAXLos Angeles International Airport 17:59
      • LAXLos Angeles International Airport 15:50
        SEASeattle/Tacoma International Airport 21:00
      • 16h 30m (2h 09m)
      • 1 Stop LAX · Los Angeles 2h 09m
      • British Airways (BA 281)Boeing 777
        Alaska Airlines (AS 1301)Boeing 737 Max 9 Passenger
      • British Airways (BA 281)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 12:30 LHR
        21:43 SEA
        17Hrs, 13m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 12:30 - SEA 21:43 17h 13m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 12:30
        LAXLos Angeles International Airport 18:41
      • LAXLos Angeles International Airport 15:50
        SEASeattle/Tacoma International Airport 21:43
      • 17h 13m (2h 51m)
      • 1 Stop LAX · Los Angeles 2h 51m
      • British Airways (BA 281)Boeing 777
        Alaska Airlines (AS 1464)Boeing 737 Max 9 Passenger
      • British Airways (BA 281)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 12:30 LHR
        21:43 SEA
        17Hrs, 13m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 12:30 - SEA 21:43 17h 13m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 12:30
        LAXLos Angeles International Airport 18:41
      • LAXLos Angeles International Airport 15:50
        SEASeattle/Tacoma International Airport 21:43
      • 17h 13m (2h 51m)
      • 1 Stop LAX · Los Angeles 2h 51m
      • British Airways (BA 281)Boeing 777 300 Er
        Alaska Airlines (AS 1464)Boeing 737 Max 9 Passenger
      • British Airways (BA 281)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 12:30 LHR
        21:43 SEA
        17Hrs, 13m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 12:30 - SEA 21:43 17h 13m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 12:30
        LAXLos Angeles International Airport 18:41
      • LAXLos Angeles International Airport 15:50
        SEASeattle/Tacoma International Airport 21:43
      • 17h 13m (2h 51m)
      • 1 Stop LAX · Los Angeles 2h 51m
      • British Airways (BA 281)Boeing 777
        Alaska Airlines (AS 1464)Boeing 737
      • British Airways (BA 281)
        • M
        • -
        • -
        • T
        • -
        • -
        • S
      • 12:30 LHR
        21:49 SEA
        17Hrs, 19m 1 Stop (LAX)
      • LHRLondon Heathrow Airport 12:30 - SEA 21:49 17h 19m 1 Stop (LAX) Los Angeles
      • LHRLondon Heathrow Airport 12:30
        LAXLos Angeles International Airport 18:47
      • LAXLos Angeles International Airport 15:50
        SEASeattle/Tacoma International Airport 21:49
      • 17h 19m (2h 57m)
      • 1 Stop LAX · Los Angeles 2h 57m
      • British Airways (BA 281)Boeing 777
        Alaska Airlines (AS 1464)Boeing 737 Max 9 Passenger
      • British Airways (BA 281)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:50 LHR
        20:55 PAE
        16Hrs, 05m 1 Stop (SAN)
      • LHRLondon Heathrow Airport 12:50 - PAE 20:55 16h 05m 1 Stop (SAN) San Diego
      • LHRLondon Heathrow Airport 12:50
        SANSan Diego International Airport 17:40
      • SANSan Diego International Airport 16:05
        PAESnohomish County (Paine Field) Airport 20:55
      • 16h 05m (1h 35m)
      • 1 Stop SAN · San Diego 1h 35m
      • British Airways (BA 273)Airbus A351
        Alaska Airlines (AS 2155)Embraer Emb 175
      • British Airways (BA 273)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:50 LHR
        20:58 PAE
        16Hrs, 08m 1 Stop (SAN)
      • LHRLondon Heathrow Airport 12:50 - PAE 20:58 16h 08m 1 Stop (SAN) San Diego
      • LHRLondon Heathrow Airport 12:50
        SANSan Diego International Airport 17:43
      • SANSan Diego International Airport 16:05
        PAESnohomish County (Paine Field) Airport 20:58
      • 16h 08m (1h 38m)
      • 1 Stop SAN · San Diego 1h 38m
      • British Airways (BA 273)Airbus A351
        Alaska Airlines (AS 2155)Embraer Emb 175
      • British Airways (BA 273)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:50 LHR
        22:03 SEA
        17Hrs, 13m 1 Stop (SAN)
      • LHRLondon Heathrow Airport 12:50 - SEA 22:03 17h 13m 1 Stop (SAN) San Diego
      • LHRLondon Heathrow Airport 12:50
        SANSan Diego International Airport 18:50
      • SANSan Diego International Airport 16:05
        SEASeattle/Tacoma International Airport 22:03
      • 17h 13m (2h 45m)
      • 1 Stop SAN · San Diego 2h 45m
      • British Airways (BA 273)Airbus A351
        Alaska Airlines (AS 1071)Boeing 737 900
      • British Airways (BA 273)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 12:50 LHR
        22:03 SEA
        17Hrs, 13m 1 Stop (SAN)
      • LHRLondon Heathrow Airport 12:50 - SEA 22:03 17h 13m 1 Stop (SAN) San Diego
      • LHRLondon Heathrow Airport 12:50
        SANSan Diego International Airport 18:50
      • SANSan Diego International Airport 16:05
        SEASeattle/Tacoma International Airport 22:03
      • 17h 13m (2h 45m)
      • 1 Stop SAN · San Diego 2h 45m
      • British Airways (BA 273)Airbus A351
        Alaska Airlines (AS 1071)Boeing 737 700
      • British Airways (BA 273)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 12:50 LHR
        22:03 SEA
        17Hrs, 13m 1 Stop (SAN)
      • LHRLondon Heathrow Airport 12:50 - SEA 22:03 17h 13m 1 Stop (SAN) San Diego
      • LHRLondon Heathrow Airport 12:50
        SANSan Diego International Airport 18:50
      • SANSan Diego International Airport 16:05
        SEASeattle/Tacoma International Airport 22:03
      • 17h 13m (2h 45m)
      • 1 Stop SAN · San Diego 2h 45m
      • British Airways (BA 273)Airbus A351
        Alaska Airlines (AS 1071)Boeing 737 800
      • British Airways (BA 273)
        • M
        • T
        • -
        • -
        • -
        • -
        • -
      • 12:50 LHR
        22:03 SEA
        17Hrs, 13m 1 Stop (SAN)
      • LHRLondon Heathrow Airport 12:50 - SEA 22:03 17h 13m 1 Stop (SAN) San Diego
      • LHRLondon Heathrow Airport 12:50
        SANSan Diego International Airport 18:50
      • SANSan Diego International Airport 16:05
        SEASeattle/Tacoma International Airport 22:03
      • 17h 13m (2h 45m)
      • 1 Stop SAN · San Diego 2h 45m
      • British Airways (BA 273)Airbus A351
        Alaska Airlines (AS 1071)Boeing 737
      • British Airways (BA 273)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 12:50 LHR
        22:11 SEA
        17Hrs, 21m 1 Stop (SAN)
      • LHRLondon Heathrow Airport 12:50 - SEA 22:11 17h 21m 1 Stop (SAN) San Diego
      • LHRLondon Heathrow Airport 12:50
        SANSan Diego International Airport 18:58
      • SANSan Diego International Airport 16:05
        SEASeattle/Tacoma International Airport 22:11
      • 17h 21m (2h 53m)
      • 1 Stop SAN · San Diego 2h 53m
      • British Airways (BA 273)Airbus A351
        Alaska Airlines (AS 1071)Boeing 737 Max 9 Passenger
      • British Airways (BA 273)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:55 LHR
        22:09 SEA
        17Hrs, 14m 1 Stop (JFK)
      • LHRLondon Heathrow Airport 12:55 - SEA 22:09 17h 14m 1 Stop (JFK) New York City
      • LHRLondon Heathrow Airport 12:55
        JFKNew York John F. Kennedy International Airport 18:30
      • JFKNew York John F. Kennedy International Airport 16:00
        SEASeattle/Tacoma International Airport 22:09
      • 17h 14m (2h 30m)
      • 1 Stop JFK · New York City 2h 30m
      • British Airways (BA 177)Boeing Dreamliner Series 10
        Alaska Airlines (AS 17)Boeing 737 800
      • British Airways (BA 177)
        • -
        • T
        • -
        • -
        • -
        • -
        • S
      • 12:55 LHR
        22:09 SEA
        17Hrs, 14m 1 Stop (JFK)
      • LHRLondon Heathrow Airport 12:55 - SEA 22:09 17h 14m 1 Stop (JFK) New York City
      • LHRLondon Heathrow Airport 12:55
        JFKNew York John F. Kennedy International Airport 18:30
      • JFKNew York John F. Kennedy International Airport 16:00
        SEASeattle/Tacoma International Airport 22:09
      • 17h 14m (2h 30m)
      • 1 Stop JFK · New York City 2h 30m
      • British Airways (BA 177)Boeing Dreamliner Series 10
        Alaska Airlines (AS 17)Boeing 737 Max 9 Passenger
      • British Airways (BA 177)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 12:55 LHR
        22:09 SEA
        17Hrs, 14m 1 Stop (JFK)
      • LHRLondon Heathrow Airport 12:55 - SEA 22:09 17h 14m 1 Stop (JFK) New York City
      • LHRLondon Heathrow Airport 12:55
        JFKNew York John F. Kennedy International Airport 18:30
      • JFKNew York John F. Kennedy International Airport 16:00
        SEASeattle/Tacoma International Airport 22:09
      • 17h 14m (2h 30m)
      • 1 Stop JFK · New York City 2h 30m
      • British Airways (BA 177)Boeing Dreamliner Series 10
        Alaska Airlines (AS 17)Boeing 737
      • British Airways (BA 177)
        • M
        • -
        • W
        • T
        • -
        • S
        • -
      • 13:00 LHR
        18:25 SEA
        13Hrs, 25m 1 Stop (YVR)
      • LHRLondon Heathrow Airport 13:00 - SEA 18:25 13h 25m 1 Stop (YVR) Vancouver
      • LHRLondon Heathrow Airport 13:00
        YVRVancouver International Airport 17:25
      • YVRVancouver International Airport 14:50
        SEASeattle/Tacoma International Airport 18:25
      • 13h 25m (2h 35m)
      • 1 Stop YVR · Vancouver 2h 35m
      • Air Canada (AC 861)Boeing 777 300 Er
        Air Canada (AC 8806)Dehavilland Dash 8 400
      • Air Canada (AC 861)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 13:00 LHR
        22:00 SEA
        17Hrs, 00m 1 Stop (YVR)
      • LHRLondon Heathrow Airport 13:00 - SEA 22:00 17h 1 Stop (YVR) Vancouver
      • LHRLondon Heathrow Airport 13:00
        YVRVancouver International Airport 21:00
      • YVRVancouver International Airport 14:50
        SEASeattle/Tacoma International Airport 22:00
      • 17h (6h 10m)
      • 1 Stop YVR · Vancouver 6h 10m
      • Air Canada (AC 861)Boeing 777 300 Er
        Air Canada (AC 8810)Dehavilland Dash 8 400
      • Air Canada (AC 861)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 13:10 LHR
        21:54 SEA
        16Hrs, 44m 1 Stop (PHL)
      • LHRLondon Heathrow Airport 13:10 - SEA 21:54 16h 44m 1 Stop (PHL) Philadelphia
      • LHRLondon Heathrow Airport 13:10
        PHLPhiladelphia International Airport 18:45
      • PHLPhiladelphia International Airport 16:20
        SEASeattle/Tacoma International Airport 21:54
      • 16h 44m (2h 25m)
      • 1 Stop PHL · Philadelphia 2h 25m
      • British Airways (BA 67)Airbus A351
        American Airlines (AA 2001)Airbus A321 Neo
      • British Airways (BA 67)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
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      What’s the fastest flight time from London to Seattle?

      The fastest flight time for direct flights from London to Seattle is 9 hours 55 minutes. Check latest flight schedules & prices on Wego.

      How far is Seattle from London?

      The flight distance between London and Seattle is 7700km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 06:20. The last flight of the day departs at 06:20. See the full list of flight times on Wego.

      How many airlines offer direct flights from London to Seattle?

      There are 2 airlines that offer direct flights from London to Seattle. Find out the list of airlines on Wego.

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