Cheap flights from Seattle (BFI) to Boise (BOI)
Know your dates, get live prices in secondsHow to find the cheapest flight from Seattle (BFI) to Boise (BOI)
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.
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.
Cheap flights from Seattle to Boise in September , October 2026
30 Sep - 16 Oct
$ 843.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
30 Sep - 16 Oct
$ 979.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
30 Sep - 12 Oct
$ 1,005.00
BFI
Seattle
Air Excursions
2 STOPS
BOI
Boise
BOI
Boise
Air Excursions
2 STOPS
BFI
Seattle
One-way flights to Boise from Seattle
8:05 PM - 11:00 AM
Frontier Airlines
Frontier Airlines
2 Stops
40h 50m
BFI - BOI
BFI - BOI
8:05 PM - 9:26 AM
Alaska Airlines
Alaska Airlines
3 Stops
39h 28m
BFI - BOI
BFI - BOI
5:25 PM - 7:37 PM
Alaska Airlines
Alaska Airlines
3 Stops
28h 20m
BFI - BOI
BFI - BOI
How to find the cheapest flight from Seattle (BFI) to Boise (BOI)
Related info for your journey
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.
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.
