Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Alaska Airlines
Cheapest Month August
Cheapest Day of the Week Saturday
Cheapest Airline Alaska Airlines

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

  • Alaska Airlines Alaska Airlines
  • Hawaiian Airlines Hawaiian Airlines
  • United Airlines United Airlines
  • American Airlines American Airlines
  • Frontier Airlines Frontier Airlines
  • Southwest Airlines Southwest Airlines
  • Qatar Airways Qatar Airways
  • Spirit Airlines Spirit Airlines
  • Air Tahiti Nui Air Tahiti Nui
  • JetBlue Airways JetBlue Airways
Cheapest Month August

Travel Period: May 2025 - April 2026

The cheapest month(s) to fly from Seattle to Chicago is August.

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

The cheapest day(s) of the week to fly from Seattle to Chicago is Saturday.

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

Flight Schedules

Last Updated: Wed, 2 Apr, 2025

  • Time Earliest
    • Earliest
    • Latest
  • Depart Earliest
    • Earliest
    • Latest
  • Arrive
    • Earliest
    • Latest
  • Duration
    • Shortest
    • Longest
  • Stopover
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  • Availability
    • M
    • T
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    • S
  • 18:02 SEA
    23:59 ORD
    3Hrs, 57m Direct
  • SEASeattle/Tacoma International Airport 18:02 - ORD 23:59 3h 57m Direct
  • SEASeattle/Tacoma International Airport 18:02
  • ORDChicago O'Hare International Airport 23:59
  • 3h 57m
  • Direct
  • Alaska Airlines (AS 538)Boeing 737 Max 9 Passenger
  • Alaska Airlines (AS 538)
    • M
    • -
    • -
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    • -
    • S
  • Boeing 737 Max 9 Passenger
  • 18:02 SEA
    23:59 ORD
    3Hrs, 57m Direct
  • SEASeattle/Tacoma International Airport 18:02 - ORD 23:59 3h 57m Direct
  • SEASeattle/Tacoma International Airport 18:02
  • ORDChicago O'Hare International Airport 23:59
  • 3h 57m
  • Direct
  • Alaska Airlines (AS 538)Boeing 737 900
  • Alaska Airlines (AS 538)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • Boeing 737 900
  • 18:02 SEA
    23:59 ORD
    3Hrs, 57m Direct
  • SEASeattle/Tacoma International Airport 18:02 - ORD 23:59 3h 57m Direct
  • SEASeattle/Tacoma International Airport 18:02
  • ORDChicago O'Hare International Airport 23:59
  • 3h 57m
  • Direct
  • Alaska Airlines (AS 538)Boeing 737
  • Alaska Airlines (AS 538)
    • -
    • T
    • W
    • -
    • -
    • S
    • -
  • Boeing 737
  • 23:36 SEA
    05:40 ORD
    4Hrs, 04m Direct
  • SEASeattle/Tacoma International Airport 23:36 - ORD 05:40 4h 04m Direct
  • SEASeattle/Tacoma International Airport 23:36
  • ORDChicago O'Hare International Airport 05:40
  • 4h 04m
  • Direct
  • Alaska Airlines (AS 328)Boeing 737 Max 9 Passenger
  • Alaska Airlines (AS 328)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • Boeing 737 Max 9 Passenger
  • 23:36 SEA
    05:40 ORD
    4Hrs, 04m Direct
  • SEASeattle/Tacoma International Airport 23:36 - ORD 05:40 4h 04m Direct
  • SEASeattle/Tacoma International Airport 23:36
  • ORDChicago O'Hare International Airport 05:40
  • 4h 04m
  • Direct
  • Alaska Airlines (AS 328)Boeing 737
  • Alaska Airlines (AS 328)
    • -
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    • T
    • -
    • -
    • -
  • Boeing 737
  • 23:45 SEA
    05:46 ORD
    4Hrs, 01m Direct
  • SEASeattle/Tacoma International Airport 23:45 - ORD 05:46 4h 01m Direct
  • SEASeattle/Tacoma International Airport 23:45
  • ORDChicago O'Hare International Airport 05:46
  • 4h 01m
  • Direct
  • United Airlines (UA 747)Boeing 737 Max 8 Passenger
  • United Airlines (UA 747)
    • M
    • T
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    • T
    • -
    • S
    • S
  • Boeing 737 Max 8 Passenger
  • 23:45 SEA
    05:46 ORD
    4Hrs, 01m Direct
  • SEASeattle/Tacoma International Airport 23:45 - ORD 05:46 4h 01m Direct
  • SEASeattle/Tacoma International Airport 23:45
  • ORDChicago O'Hare International Airport 05:46
  • 4h 01m
  • Direct
  • United Airlines (UA 747)Airbus
  • United Airlines (UA 747)
    • -
    • -
    • -
    • -
    • F
    • -
    • -
  • Airbus
  • 23:55 SEA
    05:59 ORD
    4Hrs, 04m Direct
  • SEASeattle/Tacoma International Airport 23:55 - ORD 05:59 4h 04m Direct
  • SEASeattle/Tacoma International Airport 23:55
  • ORDChicago O'Hare International Airport 05:59
  • 4h 04m
  • Direct
  • Alaska Airlines (AS 328)Boeing 737
  • Alaska Airlines (AS 328)
    • M
    • -
    • -
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    • -
    • -
  • Boeing 737
  • 23:59 SEA
    06:04 ORD
    4Hrs, 05m Direct
  • SEASeattle/Tacoma International Airport 23:59 - ORD 06:04 4h 05m Direct
  • SEASeattle/Tacoma International Airport 23:59
  • ORDChicago O'Hare International Airport 06:04
  • 4h 05m
  • Direct
  • American Airlines (AA 3208)Boeing 737 800
  • American Airlines (AA 3208)
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    • S
    • S
  • Boeing 737 800
  • 06:00 SEA
    12:10 MDW
    4Hrs, 10m Direct
  • SEASeattle/Tacoma International Airport 06:00 - MDW 12:10 4h 10m Direct
  • SEASeattle/Tacoma International Airport 06:00
  • MDWChicago Midway Airport 12:10
  • 4h 10m
  • Direct
  • Southwest Airlines (WN 1987)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 1987)
    • -
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    • -
    • -
    • -
    • -
  • Boeing 737 Max 8 Passenger
  • 06:45 SEA
    12:45 MDW
    4Hrs, 00m Direct
  • SEASeattle/Tacoma International Airport 06:45 - MDW 12:45 4h Direct
  • SEASeattle/Tacoma International Airport 06:45
  • MDWChicago Midway Airport 12:45
  • 4h
  • Direct
  • Southwest Airlines (WN 1987)Boeing 737 700
  • Southwest Airlines (WN 1987)
    • -
    • -
    • -
    • -
    • -
    • S
    • -
  • Boeing 737 700
  • 07:00 SEA
    17:10 ORD
    8Hrs, 10m Direct
  • SEASeattle/Tacoma International Airport 07:00 - ORD 17:10 8h 10m Direct
  • SEASeattle/Tacoma International Airport 07:00
  • ORDChicago O'Hare International Airport 17:10
  • 8h 10m
  • Direct
  • United Airlines (UA 2135)Airbus
  • United Airlines (UA 2135)
    • -
    • -
    • -
    • -
    • -
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    • -
  • Airbus
  • 07:00 SEA
    13:06 ORD
    4Hrs, 06m Direct
  • SEASeattle/Tacoma International Airport 07:00 - ORD 13:06 4h 06m Direct
  • SEASeattle/Tacoma International Airport 07:00
  • ORDChicago O'Hare International Airport 13:06
  • 4h 06m
  • Direct
  • United Airlines (UA 2042)Airbus
  • United Airlines (UA 2042)
    • M
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    • S
  • Airbus
  • 07:08 SEA
    17:10 ORD
    8Hrs, 02m Direct
  • SEASeattle/Tacoma International Airport 07:08 - ORD 17:10 8h 02m Direct
  • SEASeattle/Tacoma International Airport 07:08
  • ORDChicago O'Hare International Airport 17:10
  • 8h 02m
  • Direct
  • United Airlines (UA 2135)Airbus
  • United Airlines (UA 2135)
    • M
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    • T
    • F
    • -
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  • Airbus
  • 07:55 SEA
    14:16 ORD
    4Hrs, 21m Direct
  • SEASeattle/Tacoma International Airport 07:55 - ORD 14:16 4h 21m Direct
  • SEASeattle/Tacoma International Airport 07:55
  • ORDChicago O'Hare International Airport 14:16
  • 4h 21m
  • Direct
  • Alaska Airlines (AS 408)Boeing 737
  • Alaska Airlines (AS 408)
    • M
    • -
    • -
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    • -
  • Boeing 737
  • 07:55 SEA
    14:16 ORD
    4Hrs, 21m Direct
  • SEASeattle/Tacoma International Airport 07:55 - ORD 14:16 4h 21m Direct
  • SEASeattle/Tacoma International Airport 07:55
  • ORDChicago O'Hare International Airport 14:16
  • 4h 21m
  • Direct
  • Alaska Airlines (AS 408)Boeing 737 800
  • Alaska Airlines (AS 408)
    • -
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    • -
    • -
    • -
    • -
  • Boeing 737 800
  • 09:05 SEA
    15:00 MDW
    3Hrs, 55m Direct
  • SEASeattle/Tacoma International Airport 09:05 - MDW 15:00 3h 55m Direct
  • SEASeattle/Tacoma International Airport 09:05
  • MDWChicago Midway Airport 15:00
  • 3h 55m
  • Direct
  • Southwest Airlines (WN 285)Boeing 737 Max 8 Passenger
  • Southwest Airlines (WN 285)
    • M
    • -
    • -
    • -
    • -
    • -
    • -
  • Boeing 737 Max 8 Passenger
  • 09:35 SEA
    15:45 MDW
    4Hrs, 10m Direct
  • SEASeattle/Tacoma International Airport 09:35 - MDW 15:45 4h 10m Direct
  • SEASeattle/Tacoma International Airport 09:35
  • MDWChicago Midway Airport 15:45
  • 4h 10m
  • Direct
  • Southwest Airlines (WN 1252)Boeing 737 800
  • Southwest Airlines (WN 1252)
    • -
    • -
    • -
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    • F
    • -
    • -
  • Boeing 737 800
  • 10:45 SEA
    16:53 ORD
    4Hrs, 08m Direct
  • SEASeattle/Tacoma International Airport 10:45 - ORD 16:53 4h 08m Direct
  • SEASeattle/Tacoma International Airport 10:45
  • ORDChicago O'Hare International Airport 16:53
  • 4h 08m
  • Direct
  • Alaska Airlines (AS 429)Boeing 737 800
  • Alaska Airlines (AS 429)
    • M
    • T
    • -
    • -
    • -
    • -
    • -
  • Boeing 737 800
  • 10:45 SEA
    16:53 ORD
    4Hrs, 08m Direct
  • SEASeattle/Tacoma International Airport 10:45 - ORD 16:53 4h 08m Direct
  • SEASeattle/Tacoma International Airport 10:45
  • ORDChicago O'Hare International Airport 16:53
  • 4h 08m
  • Direct
  • Alaska Airlines (AS 429)Boeing 737
  • Alaska Airlines (AS 429)
    • -
    • -
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    • F
    • S
    • S
  • Boeing 737
  • 10:50 SEA
    16:59 ORD
    4Hrs, 09m Direct
  • SEASeattle/Tacoma International Airport 10:50 - ORD 16:59 4h 09m Direct
  • SEASeattle/Tacoma International Airport 10:50
  • ORDChicago O'Hare International Airport 16:59
  • 4h 09m
  • Direct
  • United Airlines (UA 2147)Boeing 737 800
  • United Airlines (UA 2147)
    • M
    • T
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    • T
    • F
    • S
    • S
  • Boeing 737 800
  • 11:00 SEA
    17:05 MDW
    4Hrs, 05m Direct
  • SEASeattle/Tacoma International Airport 11:00 - MDW 17:05 4h 05m Direct
  • SEASeattle/Tacoma International Airport 11:00
  • MDWChicago Midway Airport 17:05
  • 4h 05m
  • Direct
  • Southwest Airlines (WN 1987)Boeing 737 800
  • Southwest Airlines (WN 1987)
    • -
    • -
    • -
    • -
    • -
    • -
    • S
  • Boeing 737 800
  • 11:20 SEA
    17:24 ORD
    4Hrs, 04m Direct
  • SEASeattle/Tacoma International Airport 11:20 - ORD 17:24 4h 04m Direct
  • SEASeattle/Tacoma International Airport 11:20
  • ORDChicago O'Hare International Airport 17:24
  • 4h 04m
  • Direct
  • American Airlines (AA 2233)Boeing 737 800
  • American Airlines (AA 2233)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 800
  • 11:47 SEA
    17:55 ORD
    4Hrs, 08m Direct
  • SEASeattle/Tacoma International Airport 11:47 - ORD 17:55 4h 08m Direct
  • SEASeattle/Tacoma International Airport 11:47
  • ORDChicago O'Hare International Airport 17:55
  • 4h 08m
  • Direct
  • Alaska Airlines (AS 410)Boeing 737 800
  • Alaska Airlines (AS 410)
    • -
    • T
    • -
    • -
    • F
    • -
    • -
  • Boeing 737 800
  • 11:47 SEA
    17:55 ORD
    4Hrs, 08m Direct
  • SEASeattle/Tacoma International Airport 11:47 - ORD 17:55 4h 08m Direct
  • SEASeattle/Tacoma International Airport 11:47
  • ORDChicago O'Hare International Airport 17:55
  • 4h 08m
  • Direct
  • Alaska Airlines (AS 410)Boeing 737
  • Alaska Airlines (AS 410)
    • M
    • -
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    • T
    • -
    • -
    • S
  • Boeing 737
  • 13:35 SEA
    19:40 ORD
    4Hrs, 05m Direct
  • SEASeattle/Tacoma International Airport 13:35 - ORD 19:40 4h 05m Direct
  • SEASeattle/Tacoma International Airport 13:35
  • ORDChicago O'Hare International Airport 19:40
  • 4h 05m
  • Direct
  • American Airlines (AA 2398)Boeing 737 800
  • American Airlines (AA 2398)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 800
  • 14:18 SEA
    20:25 ORD
    4Hrs, 07m Direct
  • SEASeattle/Tacoma International Airport 14:18 - ORD 20:25 4h 07m Direct
  • SEASeattle/Tacoma International Airport 14:18
  • ORDChicago O'Hare International Airport 20:25
  • 4h 07m
  • Direct
  • United Airlines (UA 2013)Boeing 737 800
  • United Airlines (UA 2013)
    • M
    • T
    • W
    • T
    • F
    • S
    • S
  • Boeing 737 800
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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.

What’s the most popular airline flying from Seattle to Chicago?

The most popular airline flying from Seattle to Chicago is Alaska Airlines. Find the latest flight deals 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 06:00. The last flight of the day departs at 18:02. 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.