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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 May , June 2026

28 May - 01 Jul $ 815.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
28 May - 12 Jun $ 831.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
28 May - 09 Jun $ 877.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
3 STOPS
BFI
Seattle
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Last minute flights from Seattle to Chicago

28 May - 01 Jun $ 958.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
28 May - 01 Jun $ 1,011.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 May - 01 Jun $ 1,055.00
BFI
Seattle
Air Excursions
2 STOPS
CHI
Chicago
CHI
Chicago
Air Excursions
3 STOPS
BFI
Seattle
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One-way flights to Chicago from Seattle

8:05 AM - 12:26 AM
Frontier Airlines
2 Stops
20h 29m
BFI - CHI
$ 441
Kiwi
Pick dates
2:45 PM - 3:17 PM
Allegiant Air
2 Stops
27h 38m
BFI - CHI
$ 501
Kiwi
Pick dates
8:05 AM - 7:05 AM
Allegiant Air
3 Stops
26h 6m
BFI - CHI
$ 506
Kiwi
Pick dates

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)
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.