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Cheap flights from Seattle (BFI) to Chicago (CHI)

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How to find the cheapest flight from Seattle (BFI) to Chicago (CHI)

How to find the cheapest flight from Seattle (BFI) to Chicago (CHI)
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How to find the cheapest flight from Seattle (BFI) to Chicago (CHI)
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How to find the cheapest flight from Seattle (BFI) to Chicago (CHI)
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Cheap flights from Seattle to Chicago in April , May 2026

30 Apr - 07 May $ 718.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
27 Apr - 07 May $ 718.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
23 Apr - 07 May $ 734.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to Chicago

27 Apr - 01 May $ 804.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
23 Apr - 01 May $ 817.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
23 Apr - 01 May $ 819.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates

One-way flights to Chicago from Seattle

10:45 AM - 11:59 PM
Frontier Airlines
2 Stops
17h 35m
BFI - CHI
$ 367
Kiwi
Pick dates
10:45 AM - 11:59 PM
Frontier Airlines
2 Stops
17h 35m
BFI - CHI
$ 382
Kiwi
Pick dates
10:45 AM - 11:35 PM
Spirit Airlines
2 Stops
16h 50m
BFI - CHI
$ 404
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Chicago (CHI)

Related info for your journey
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How to find the cheapest flight from Seattle (BFI) to Chicago (CHI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Chicago (CHI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.