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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 June , July 2026

30 Jun - 28 Jul $ 1,722.00
BFI
Seattle
Air Excursions
3 STOPS
BOI
Boise
BOI
Boise
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
29 Jun - 28 Jul $ 1,817.00
BFI
Seattle
Air Excursions
3 STOPS
BOI
Boise
BOI
Boise
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
30 Jun - 28 Jul $ 1,829.00
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 PM - 10:29 AM
Frontier Airlines
2 Stops
39h 25m
BFI - BOI
$ 843
Kiwi
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5:25 PM - 10:29 AM
Frontier Airlines
3 Stops
18h 5m
BFI - BOI
$ 860
Kiwi
Pick dates
8:20 AM - 10:29 AM
Frontier Airlines
2 Stops
27h 10m
BFI - BOI
$ 885
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.