Cheap flights from Boise (BOI) to Seattle (BFI)
Know your dates, get live prices in secondsHow to find the cheapest flight from Boise (BOI) to Seattle (BFI)
How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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Cheap flights from Boise to Seattle in February , March 2026
12 Feb - 06 Mar
$ 1,087.00
BOI
Boise
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BOI
Boise
12 Feb - 30 Mar
$ 1,089.00
BOI
Boise
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BOI
Boise
12 Feb - 27 Mar
$ 1,090.00
BOI
Boise
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BOI
Boise
Last minute flights from Boise to Seattle
12 Feb - 02 Mar
$ 1,163.00
BOI
Boise
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BOI
Boise
One-way flights to Seattle from Boise
12:36 PM - 7:35 AM
Air Excursions
Air Excursions
3 Stops
44h 49m
BOI - BFI
BOI - BFI
How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
Related info for your journey
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How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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How to find the cheapest flight from Boise (BOI) to Seattle (BFI)
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