Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Frontier Airlines
Cheapest Month May
Cheapest Day of the Week Monday
Cheapest Airline Frontier Airlines

The cheapest airline(s) flying from Phoenix to Chicago is Frontier Airlines.

  • Frontier Airlines Frontier Airlines
  • American Airlines American Airlines
  • United Airlines United Airlines
  • Spirit Airlines Spirit Airlines
  • Southwest Airlines Southwest Airlines
  • Alaska Airlines Alaska Airlines
  • Allegiant Air LLC Allegiant Air LLC
  • Sun Country Airlines Sun Country Airlines
  • Qatar Airways Qatar Airways
  • Royal Jordanian Royal Jordanian
Cheapest Month May

Travel Period: April 2025 - March 2026

The cheapest month(s) to fly from Phoenix to Chicago is May.

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

The cheapest day(s) of the week to fly from Phoenix to Chicago is Monday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
How far is Chicago from Phoenix?

The flight distance between Phoenix and Chicago is 2336km. Check all available flights on Wego.