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

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1 Adults (11+)
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 May , June 2026

18 May - 03 Jun $ 1,739.00
BOI
Boise
Alaska Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
3 STOPS
BOI
Boise
Pick dates
18 May - 02 Jun $ 1,754.00
BOI
Boise
Alaska Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
3 STOPS
BOI
Boise
Pick dates
18 May - 09 Jun $ 1,763.00
BOI
Boise
Alaska Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
3 STOPS
BOI
Boise
Pick dates

Last minute flights from Boise to Seattle

15 May - 01 Jun $ 1,771.00
BOI
Boise
Alaska Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
3 STOPS
BOI
Boise
Pick dates
18 May - 01 Jun $ 1,856.00
BOI
Boise
Alaska Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
3 STOPS
BOI
Boise
Pick dates
09 May - 01 Jun $ 2,016.00
BOI
Boise
Alaska Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Alaska Airlines
3 STOPS
BOI
Boise
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One-way flights to Seattle from Boise

2:38 PM - 4:20 PM
Air Excursions
3 Stops
51h 32m
BOI - BFI
$ 956
Kiwi
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7:33 PM - 4:05 PM
Air Excursions
3 Stops
22h 22m
BOI - BFI
$ 1,041
Kiwi
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8:11 AM - 9:35 AM
Air Excursions
3 Stops
27h 14m
BOI - BFI
$ 1,274
Kiwi
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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.