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

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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 Seattle (BFI) to Boise (BOI)

How to find the cheapest flight from Seattle (BFI) to Boise (BOI)
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How to find the cheapest flight from Seattle (BFI) to Boise (BOI)
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How to find the cheapest flight from Seattle (BFI) to Boise (BOI)
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Cheap flights from Seattle to Boise in January , February 2026

30 Jan - 22 Feb $ 1,795.00
BFI
Seattle
Air Excursions
3 STOPS
BOI
Boise
BOI
Boise
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
21 Jan - 22 Feb $ 1,795.00
BFI
Seattle
Air Excursions
3 STOPS
BOI
Boise
BOI
Boise
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
30 Jan - 22 Feb $ 1,921.00
BFI
Seattle
Air Excursions
3 STOPS
BOI
Boise
BOI
Boise
Air Excursions
3 STOPS
BFI
Seattle
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One-way flights to Boise from Seattle

8:05 AM - 9:10 AM
Frontier Airlines
3 Stops
26h 7m
BFI - BOI
$ 465
Kiwi
Pick dates
11:35 AM - 11:23 AM
Frontier Airlines
3 Stops
24h 50m
BFI - BOI
$ 561
Kiwi
Pick dates
8:55 AM - 11:23 AM
Frontier Airlines
2 Stops
27h 30m
BFI - BOI
$ 585
Kiwi
Pick dates

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

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