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

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0 Children (2~11)
0 Infants (0~2)
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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 March , April 2026

19 Mar - 16 Apr $ 922.00
BOI
Boise
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
BOI
Boise
Pick dates
22 Mar - 16 Apr $ 922.00
BOI
Boise
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
BOI
Boise
Pick dates
15 Mar - 16 Apr $ 971.00
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

25 Mar - 01 Apr $ 1,665.00
BOI
Boise
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
BOI
Boise
Pick dates
17 Mar - 01 Apr $ 1,728.00
BOI
Boise
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
BOI
Boise
Pick dates
17 Mar - 01 Apr $ 1,757.00
BOI
Boise
Hawaiian Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Hawaiian Airlines
3 STOPS
BOI
Boise
Pick dates

One-way flights to Seattle from Boise

12:15 PM - 2:45 PM
Air Excursions
2 Stops
28h 20m
BOI - BFI
$ 502
Kiwi
Pick dates
12:15 PM - 2:45 PM
Air Excursions
2 Stops
28h 20m
BOI - BFI
$ 502
Kiwi
Pick dates
12:15 PM - 2:45 PM
Air Excursions
2 Stops
28h 20m
BOI - BFI
$ 551
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.