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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 August , September 2026

30 Aug - 01 Oct $ 922.00
BIS
Bismarck
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
30 Aug - 01 Oct $ 975.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
30 Aug - 01 Oct $ 1,014.00
BIS
Bismarck
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates

One-way flights to Seattle from Bismarck

2:38 PM - 9:25 PM
Air Excursions
3 Stops
33h 37m
BIS - BFI
$ 506
Kiwi
Pick dates
2:38 PM - 9:25 PM
Air Excursions
2 Stops
33h 37m
BIS - BFI
$ 559
Kiwi
Pick dates
2:38 PM - 4:05 PM
Air Excursions
3 Stops
28h 17m
BIS - BFI
$ 598
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.