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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 September , October 2026

27 Sep - 30 Oct $ 703.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
27 Sep - 26 Oct $ 710.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
24 Sep - 30 Oct $ 725.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to Boise

27 Sep - 01 Oct $ 1,487.00
BFI
Seattle
Air Excursions
3 STOPS
BOI
Boise
BOI
Boise
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Sep - 01 Oct $ 1,506.00
BFI
Seattle
Air Excursions
3 STOPS
BOI
Boise
BOI
Boise
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Sep - 01 Oct $ 1,509.00
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

8:15 AM - 11:00 AM
Frontier Airlines
2 Stops
28h 40m
BFI - BOI
$ 390
Kiwi
Pick dates
8:05 AM - 11:00 AM
Frontier Airlines
2 Stops
28h 50m
BFI - BOI
$ 412
Kiwi
Pick dates
8:15 AM - 11:00 AM
Frontier Airlines
2 Stops
28h 40m
BFI - BOI
$ 434
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.