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Cheap flights from Boise (BOI) to Seattle (BFI)

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0 Children (2~11)
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How to find the cheapest flight from Boise (BOI) to Seattle (BFI)

How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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Cheap flights from Boise to Seattle in November , December 2025

24 Nov - 12 Dec $ 895.00
BOI
Boise
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
BOI
Boise
Pick dates
30 Nov - 12 Dec $ 959.00
BOI
Boise
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
BOI
Boise
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30 Nov - 05 Dec $ 1,047.00
BOI
Boise
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
BOI
Boise
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Last minute flights from Boise to Seattle

19 Nov - 02 Dec $ 1,816.00
BOI
Boise
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
BOI
Boise
Pick dates
19 Nov - 01 Dec $ 1,956.00
BOI
Boise
Alaska Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
3 STOPS
BOI
Boise
Pick dates
19 Nov - 01 Dec $ 2,140.00
BOI
Boise
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
BOI
Boise
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One-way flights to Seattle from Boise

10:45 PM - 8:15 AM
Air Excursions
2 Stops
35h 20m
BOI - BFI
$ 519
Kiwi
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9:22 PM - 6:45 PM
Air Excursions
3 Stops
47h 13m
BOI - BFI
$ 565
Kiwi
Pick dates
9:22 PM - 4:05 PM
Air Excursions
2 Stops
20h 33m
BOI - BFI
$ 590
Kiwi
Pick dates

How to find the cheapest flight from Boise (BOI) to Seattle (BFI)

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