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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 October , November 2026

25 Oct - 25 Nov $ 756.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
25 Oct - 09 Nov $ 758.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
25 Oct - 13 Nov $ 773.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
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One-way flights to Boise from Seattle

8:15 AM - 11:00 AM
Frontier Airlines
2 Stops
28h 40m
BFI - BOI
$ 492
Kiwi
Pick dates
5:25 AM - 1:48 PM
Allegiant Air
3 Stops
34h 29m
BFI - BOI
$ 739
Kiwi
Pick dates
8:05 AM - 1:48 PM
Allegiant Air
3 Stops
31h 49m
BFI - BOI
$ 829
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.