Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines

The cheapest airline(s) flying from Seattle to Chicago is Alaska Airlines.

  • Alaska Airlines Alaska Airlines
  • Frontier Airlines Frontier Airlines
  • Spirit Airlines Spirit Airlines
  • United Airlines United Airlines
  • American Airlines American Airlines
  • Sun Country Airlines Sun Country Airlines
  • Southwest Airlines Southwest Airlines
  • JetBlue Airways JetBlue Airways
Cheapest Month January

Travel Period: January 2025 - December 2025

The cheapest month(s) to fly from Seattle to Chicago 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 Seattle to Chicago 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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    All
    • Airline Filter by Airline
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      • Availability
        • M
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        • S
      • 16:35 SEA
        04:00 ORD
        9Hrs, 25m Direct
      • SEASeattle/Tacoma International Airport 16:35 - ORD 04:00 9h 25m Direct
      • SEASeattle/Tacoma International Airport 16:35
      • ORDChicago O'Hare International Airport 04:00
      • 9h 25m
      • Direct
      • United Airlines (UA 1914)Boeing 737 800
      • United Airlines (UA 1914)
        • -
        • -
        • -
        • -
        • -
        • S
        • S
      • Boeing 737 800
      • 17:50 SEA
        23:47 ORD
        3Hrs, 57m Direct
      • SEASeattle/Tacoma International Airport 17:50 - ORD 23:47 3h 57m Direct
      • SEASeattle/Tacoma International Airport 17:50
      • ORDChicago O'Hare International Airport 23:47
      • 3h 57m
      • Direct
      • United Airlines (UA 2390)Boeing 737 800
      • United Airlines (UA 2390)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 800
      • 18:01 SEA
        23:59 ORD
        3Hrs, 58m Direct
      • SEASeattle/Tacoma International Airport 18:01 - ORD 23:59 3h 58m Direct
      • SEASeattle/Tacoma International Airport 18:01
      • ORDChicago O'Hare International Airport 23:59
      • 3h 58m
      • Direct
      • Alaska Airlines (AS 538)Boeing 737
      • Alaska Airlines (AS 538)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • Boeing 737
      • 18:01 SEA
        23:59 ORD
        3Hrs, 58m Direct
      • SEASeattle/Tacoma International Airport 18:01 - ORD 23:59 3h 58m Direct
      • SEASeattle/Tacoma International Airport 18:01
      • ORDChicago O'Hare International Airport 23:59
      • 3h 58m
      • Direct
      • Alaska Airlines (AS 538)Boeing 737 900
      • Alaska Airlines (AS 538)
        • -
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        • -
        • -
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        • S
        • -
      • Boeing 737 900
      • 18:01 SEA
        23:59 ORD
        3Hrs, 58m Direct
      • SEASeattle/Tacoma International Airport 18:01 - ORD 23:59 3h 58m Direct
      • SEASeattle/Tacoma International Airport 18:01
      • ORDChicago O'Hare International Airport 23:59
      • 3h 58m
      • Direct
      • Alaska Airlines (AS 538)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 538)
        • M
        • -
        • -
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        • -
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      • Boeing 737 Max 9 Passenger
      • 19:55 SEA
        01:52 ORD
        3Hrs, 57m Direct
      • SEASeattle/Tacoma International Airport 19:55 - ORD 01:52 3h 57m Direct
      • SEASeattle/Tacoma International Airport 19:55
      • ORDChicago O'Hare International Airport 01:52
      • 3h 57m
      • Direct
      • United Airlines (UA 2390)Boeing 737 800
      • United Airlines (UA 2390)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • Boeing 737 800
      • 22:30 SEA
        04:30 ORD
        4Hrs, 00m Direct
      • SEASeattle/Tacoma International Airport 22:30 - ORD 04:30 4h Direct
      • SEASeattle/Tacoma International Airport 22:30
      • ORDChicago O'Hare International Airport 04:30
      • 4h
      • Direct
      • Alaska Airlines (AS 328)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 328)
        • -
        • -
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        • -
        • -
        • S
        • S
      • Boeing 737 Max 9 Passenger
      • 22:30 SEA
        04:30 ORD
        4Hrs, 00m Direct
      • SEASeattle/Tacoma International Airport 22:30 - ORD 04:30 4h Direct
      • SEASeattle/Tacoma International Airport 22:30
      • ORDChicago O'Hare International Airport 04:30
      • 4h
      • Direct
      • Alaska Airlines (AS 328)Boeing 737
      • Alaska Airlines (AS 328)
        • M
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        • -
        • -
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        • -
        • -
      • Boeing 737
      • 23:55 SEA
        05:52 ORD
        3Hrs, 57m Direct
      • SEASeattle/Tacoma International Airport 23:55 - ORD 05:52 3h 57m Direct
      • SEASeattle/Tacoma International Airport 23:55
      • ORDChicago O'Hare International Airport 05:52
      • 3h 57m
      • Direct
      • United Airlines (UA 684)Boeing 737 800
      • United Airlines (UA 684)
        • -
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        • -
        • F
        • -
        • S
      • Boeing 737 800
      • 23:55 SEA
        05:52 ORD
        3Hrs, 57m Direct
      • SEASeattle/Tacoma International Airport 23:55 - ORD 05:52 3h 57m Direct
      • SEASeattle/Tacoma International Airport 23:55
      • ORDChicago O'Hare International Airport 05:52
      • 3h 57m
      • Direct
      • United Airlines (UA 684)Boeing 737 900
      • United Airlines (UA 684)
        • M
        • -
        • -
        • -
        • -
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        • -
      • Boeing 737 900
      • 00:25 SEA
        06:29 ORD
        4Hrs, 04m Direct
      • SEASeattle/Tacoma International Airport 00:25 - ORD 06:29 4h 04m Direct
      • SEASeattle/Tacoma International Airport 00:25
      • ORDChicago O'Hare International Airport 06:29
      • 4h 04m
      • Direct
      • American Airlines (AA 2818)Boeing 737 800
      • American Airlines (AA 2818)
        • M
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        • T
        • F
        • S
        • S
      • Boeing 737 800
      • 06:00 SEA
        12:16 ORD
        4Hrs, 16m Direct
      • SEASeattle/Tacoma International Airport 06:00 - ORD 12:16 4h 16m Direct
      • SEASeattle/Tacoma International Airport 06:00
      • ORDChicago O'Hare International Airport 12:16
      • 4h 16m
      • Direct
      • Alaska Airlines (AS 408)Boeing 737
      • Alaska Airlines (AS 408)
        • -
        • -
        • -
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        • -
        • -
        • -
      • Boeing 737
      • 06:00 SEA
        12:16 ORD
        4Hrs, 16m Direct
      • SEASeattle/Tacoma International Airport 06:00 - ORD 12:16 4h 16m Direct
      • SEASeattle/Tacoma International Airport 06:00
      • ORDChicago O'Hare International Airport 12:16
      • 4h 16m
      • Direct
      • Alaska Airlines (AS 408)Boeing 737 900
      • Alaska Airlines (AS 408)
        • M
        • -
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        • -
        • -
        • S
        • -
      • Boeing 737 900
      • 06:00 SEA
        12:16 ORD
        4Hrs, 16m Direct
      • SEASeattle/Tacoma International Airport 06:00 - ORD 12:16 4h 16m Direct
      • SEASeattle/Tacoma International Airport 06:00
      • ORDChicago O'Hare International Airport 12:16
      • 4h 16m
      • Direct
      • Alaska Airlines (AS 408)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 408)
        • -
        • T
        • -
        • -
        • -
        • -
        • S
      • Boeing 737 Max 9 Passenger
      • 06:35 SEA
        12:30 MDW
        3Hrs, 55m Direct
      • SEASeattle/Tacoma International Airport 06:35 - MDW 12:30 3h 55m Direct
      • SEASeattle/Tacoma International Airport 06:35
      • MDWChicago Midway Airport 12:30
      • 3h 55m
      • Direct
      • Southwest Airlines (WN 2281)Boeing 737 800
      • Southwest Airlines (WN 2281)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • Boeing 737 800
      • 07:00 SEA
        13:01 ORD
        4Hrs, 01m Direct
      • SEASeattle/Tacoma International Airport 07:00 - ORD 13:01 4h 01m Direct
      • SEASeattle/Tacoma International Airport 07:00
      • ORDChicago O'Hare International Airport 13:01
      • 4h 01m
      • Direct
      • United Airlines (UA 2494)Airbus
      • United Airlines (UA 2494)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Airbus
      • 07:10 SEA
        13:10 ORD
        4Hrs, 00m Direct
      • SEASeattle/Tacoma International Airport 07:10 - ORD 13:10 4h Direct
      • SEASeattle/Tacoma International Airport 07:10
      • ORDChicago O'Hare International Airport 13:10
      • 4h
      • Direct
      • United Airlines (UA 2494)Airbus
      • United Airlines (UA 2494)
        • M
        • T
        • W
        • T
        • F
        • -
        • S
      • Airbus
      • 07:14 SEA
        20:07 ORD
        10Hrs, 53m Direct
      • SEASeattle/Tacoma International Airport 07:14 - ORD 20:07 10h 53m Direct
      • SEASeattle/Tacoma International Airport 07:14
      • ORDChicago O'Hare International Airport 20:07
      • 10h 53m
      • Direct
      • United Airlines (UA 1329)Boeing 737 Max 9 Passenger
      • United Airlines (UA 1329)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • Boeing 737 Max 9 Passenger
      • 07:14 SEA
        20:07 ORD
        10Hrs, 53m Direct
      • SEASeattle/Tacoma International Airport 07:14 - ORD 20:07 10h 53m Direct
      • SEASeattle/Tacoma International Airport 07:14
      • ORDChicago O'Hare International Airport 20:07
      • 10h 53m
      • Direct
      • United Airlines (UA 1329)Boeing 737 Max 8 Passenger
      • United Airlines (UA 1329)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 Max 8 Passenger
      • 07:25 SEA
        20:07 ORD
        10Hrs, 42m Direct
      • SEASeattle/Tacoma International Airport 07:25 - ORD 20:07 10h 42m Direct
      • SEASeattle/Tacoma International Airport 07:25
      • ORDChicago O'Hare International Airport 20:07
      • 10h 42m
      • Direct
      • United Airlines (UA 1329)Boeing 737 Max 8 Passenger
      • United Airlines (UA 1329)
        • M
        • T
        • W
        • -
        • F
        • -
        • -
      • Boeing 737 Max 8 Passenger
      • 08:00 SEA
        14:00 MDW
        4Hrs, 00m Direct
      • SEASeattle/Tacoma International Airport 08:00 - MDW 14:00 4h Direct
      • SEASeattle/Tacoma International Airport 08:00
      • MDWChicago Midway Airport 14:00
      • 4h
      • Direct
      • Southwest Airlines (WN 3745)Boeing 737 800
      • Southwest Airlines (WN 3745)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • Boeing 737 800
      • 08:10 SEA
        14:10 MDW
        4Hrs, 00m Direct
      • SEASeattle/Tacoma International Airport 08:10 - MDW 14:10 4h Direct
      • SEASeattle/Tacoma International Airport 08:10
      • MDWChicago Midway Airport 14:10
      • 4h
      • Direct
      • Southwest Airlines (WN 2765)Boeing 737 800
      • Southwest Airlines (WN 2765)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • Boeing 737 800
      • 09:05 SEA
        15:10 MDW
        4Hrs, 05m Direct
      • SEASeattle/Tacoma International Airport 09:05 - MDW 15:10 4h 05m Direct
      • SEASeattle/Tacoma International Airport 09:05
      • MDWChicago Midway Airport 15:10
      • 4h 05m
      • Direct
      • Southwest Airlines (WN 2299)Boeing 737 800
      • Southwest Airlines (WN 2299)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • Boeing 737 800
      • 09:55 SEA
        16:00 MDW
        4Hrs, 05m Direct
      • SEASeattle/Tacoma International Airport 09:55 - MDW 16:00 4h 05m Direct
      • SEASeattle/Tacoma International Airport 09:55
      • MDWChicago Midway Airport 16:00
      • 4h 05m
      • Direct
      • Southwest Airlines (WN 2239)Boeing 737 800
      • Southwest Airlines (WN 2239)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 800
      • 10:05 SEA
        16:10 MDW
        4Hrs, 05m Direct
      • SEASeattle/Tacoma International Airport 10:05 - MDW 16:10 4h 05m Direct
      • SEASeattle/Tacoma International Airport 10:05
      • MDWChicago Midway Airport 16:10
      • 4h 05m
      • Direct
      • Southwest Airlines (WN 2299)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2299)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • Boeing 737 Max 8 Passenger
      • 10:35 SEA
        16:53 ORD
        4Hrs, 18m Direct
      • SEASeattle/Tacoma International Airport 10:35 - ORD 16:53 4h 18m Direct
      • SEASeattle/Tacoma International Airport 10:35
      • ORDChicago O'Hare International Airport 16:53
      • 4h 18m
      • Direct
      • Alaska Airlines (AS 352)Boeing 737
      • Alaska Airlines (AS 352)
        • M
        • T
        • -
        • T
        • -
        • -
        • S
      • Boeing 737
      • 10:35 SEA
        16:53 ORD
        4Hrs, 18m Direct
      • SEASeattle/Tacoma International Airport 10:35 - ORD 16:53 4h 18m Direct
      • SEASeattle/Tacoma International Airport 10:35
      • ORDChicago O'Hare International Airport 16:53
      • 4h 18m
      • Direct
      • Alaska Airlines (AS 352)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 352)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • Boeing 737 Max 9 Passenger
      • 10:35 SEA
        16:53 ORD
        4Hrs, 18m Direct
      • SEASeattle/Tacoma International Airport 10:35 - ORD 16:53 4h 18m Direct
      • SEASeattle/Tacoma International Airport 10:35
      • ORDChicago O'Hare International Airport 16:53
      • 4h 18m
      • Direct
      • Alaska Airlines (AS 352)Boeing 737 900
      • Alaska Airlines (AS 352)
        • -
        • -
        • W
        • -
        • -
        • S
        • -
      • Boeing 737 900
      • 10:55 SEA
        16:59 ORD
        4Hrs, 04m Direct
      • SEASeattle/Tacoma International Airport 10:55 - ORD 16:59 4h 04m Direct
      • SEASeattle/Tacoma International Airport 10:55
      • ORDChicago O'Hare International Airport 16:59
      • 4h 04m
      • Direct
      • United Airlines (UA 747)Airbus
      • United Airlines (UA 747)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • Airbus
      • 10:55 SEA
        16:59 ORD
        4Hrs, 04m Direct
      • SEASeattle/Tacoma International Airport 10:55 - ORD 16:59 4h 04m Direct
      • SEASeattle/Tacoma International Airport 10:55
      • ORDChicago O'Hare International Airport 16:59
      • 4h 04m
      • Direct
      • United Airlines (UA 747)Airbus
      • United Airlines (UA 747)
        • M
        • T
        • W
        • T
        • -
        • S
        • S
      • Airbus
      • 11:58 SEA
        18:12 ORD
        4Hrs, 14m Direct
      • SEASeattle/Tacoma International Airport 11:58 - ORD 18:12 4h 14m Direct
      • SEASeattle/Tacoma International Airport 11:58
      • ORDChicago O'Hare International Airport 18:12
      • 4h 14m
      • Direct
      • Alaska Airlines (AS 410)Boeing 737 800
      • Alaska Airlines (AS 410)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 800
      • 11:58 SEA
        18:12 ORD
        4Hrs, 14m Direct
      • SEASeattle/Tacoma International Airport 11:58 - ORD 18:12 4h 14m Direct
      • SEASeattle/Tacoma International Airport 11:58
      • ORDChicago O'Hare International Airport 18:12
      • 4h 14m
      • Direct
      • Alaska Airlines (AS 410)Boeing 737 Max 9 Passenger
      • Alaska Airlines (AS 410)
        • M
        • T
        • -
        • -
        • -
        • -
        • -
      • Boeing 737 Max 9 Passenger
      • 11:58 SEA
        18:12 ORD
        4Hrs, 14m Direct
      • SEASeattle/Tacoma International Airport 11:58 - ORD 18:12 4h 14m Direct
      • SEASeattle/Tacoma International Airport 11:58
      • ORDChicago O'Hare International Airport 18:12
      • 4h 14m
      • Direct
      • Alaska Airlines (AS 410)Boeing 737 Max 8 Passenger
      • Alaska Airlines (AS 410)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • Boeing 737 Max 8 Passenger
      • 11:58 SEA
        18:12 ORD
        4Hrs, 14m Direct
      • SEASeattle/Tacoma International Airport 11:58 - ORD 18:12 4h 14m Direct
      • SEASeattle/Tacoma International Airport 11:58
      • ORDChicago O'Hare International Airport 18:12
      • 4h 14m
      • Direct
      • Alaska Airlines (AS 410)Boeing 737 900
      • Alaska Airlines (AS 410)
        • -
        • -
        • -
        • -
        • F
        • -
        • S
      • Boeing 737 900
      • 12:55 SEA
        00:52 ORD
        9Hrs, 57m Direct
      • SEASeattle/Tacoma International Airport 12:55 - ORD 00:52 9h 57m Direct
      • SEASeattle/Tacoma International Airport 12:55
      • ORDChicago O'Hare International Airport 00:52
      • 9h 57m
      • Direct
      • United Airlines (UA 737)Boeing 737 800
      • United Airlines (UA 737)
        • -
        • T
        • W
        • -
        • -
        • S
        • -
      • Boeing 737 800
      • 12:55 SEA
        00:52 ORD
        9Hrs, 57m Direct
      • SEASeattle/Tacoma International Airport 12:55 - ORD 00:52 9h 57m Direct
      • SEASeattle/Tacoma International Airport 12:55
      • ORDChicago O'Hare International Airport 00:52
      • 9h 57m
      • Direct
      • United Airlines (UA 737)Airbus
      • United Airlines (UA 737)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • Airbus
      • 13:35 SEA
        19:39 ORD
        4Hrs, 04m Direct
      • SEASeattle/Tacoma International Airport 13:35 - ORD 19:39 4h 04m Direct
      • SEASeattle/Tacoma International Airport 13:35
      • ORDChicago O'Hare International Airport 19:39
      • 4h 04m
      • Direct
      • American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 2398)
        • M
        • T
        • W
        • -
        • -
        • -
        • S
      • Boeing 737 800
      • 13:55 SEA
        19:58 ORD
        4Hrs, 03m Direct
      • SEASeattle/Tacoma International Airport 13:55 - ORD 19:58 4h 03m Direct
      • SEASeattle/Tacoma International Airport 13:55
      • ORDChicago O'Hare International Airport 19:58
      • 4h 03m
      • Direct
      • United Airlines (UA 2013)Boeing 737 800
      • United Airlines (UA 2013)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • Boeing 737 800
      • 14:06 SEA
        20:09 ORD
        4Hrs, 03m Direct
      • SEASeattle/Tacoma International Airport 14:06 - ORD 20:09 4h 03m Direct
      • SEASeattle/Tacoma International Airport 14:06
      • ORDChicago O'Hare International Airport 20:09
      • 4h 03m
      • Direct
      • United Airlines (UA 2013)Airbus
      • United Airlines (UA 2013)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Airbus
      • 14:06 SEA
        20:09 ORD
        4Hrs, 03m Direct
      • SEASeattle/Tacoma International Airport 14:06 - ORD 20:09 4h 03m Direct
      • SEASeattle/Tacoma International Airport 14:06
      • ORDChicago O'Hare International Airport 20:09
      • 4h 03m
      • Direct
      • United Airlines (UA 2013)Boeing 737 800
      • United Airlines (UA 2013)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • Boeing 737 800
      • 14:06 SEA
        20:09 ORD
        4Hrs, 03m Direct
      • SEASeattle/Tacoma International Airport 14:06 - ORD 20:09 4h 03m Direct
      • SEASeattle/Tacoma International Airport 14:06
      • ORDChicago O'Hare International Airport 20:09
      • 4h 03m
      • Direct
      • United Airlines (UA 2013)Boeing 737 900
      • United Airlines (UA 2013)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • Boeing 737 900
      No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
      What’s the fastest flight time from Seattle to Chicago?

      The fastest flight time for direct flights from Seattle to Chicago is 3 hours 55 minutes. Check latest flight schedules & prices on Wego.

      How far is Chicago from Seattle?

      The flight distance between Seattle and Chicago is 2789km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 00:25. The last flight of the day departs at 16:35. See the full list of flight times on Wego.

      How many airlines offer direct flights from Seattle to Chicago?

      There are 4 airlines that offer direct flights from Seattle to Chicago. Find out the list of airlines on Wego.

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