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Cheap flights from Bismarck (BIS) to Seattle (BFI)

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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 Bismarck (BIS) to Seattle (BFI)

How to find the cheapest flight from Bismarck (BIS) to Seattle (BFI)
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How to find the cheapest flight from Bismarck (BIS) to Seattle (BFI)
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How to find the cheapest flight from Bismarck (BIS) to Seattle (BFI)
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Cheap flights from Bismarck to Seattle in January , February 2026

29 Jan - 27 Feb $ 978.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
25 Jan - 27 Feb $ 983.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
15 Jan - 27 Feb $ 1,057.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates

One-way flights to Seattle from Bismarck

11:46 AM - 2:45 PM
Air Excursions
2 Stops
29h 49m
BIS - BFI
$ 483
Kiwi
Pick dates
11:46 AM - 2:45 PM
Air Excursions
2 Stops
29h 49m
BIS - BFI
$ 489
Kiwi
Pick dates
11:46 AM - 2:45 PM
Air Excursions
2 Stops
29h 49m
BIS - BFI
$ 554
Kiwi
Pick dates

How to find the cheapest flight from Bismarck (BIS) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Bismarck (BIS) to Seattle (BFI)
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 Bismarck (BIS) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.