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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 May , June 2026

21 May - 05 Jun $ 886.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
21 May - 05 Jun $ 909.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
27 May - 05 Jun $ 921.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
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Last minute flights from Bismarck to Seattle

21 May - 01 Jun $ 1,041.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
21 May - 01 Jun $ 1,064.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
27 May - 01 Jun $ 1,076.00
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

12:04 PM - 6:45 PM
Air Excursions
2 Stops
33h 31m
BIS - BFI
$ 433
Kiwi
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12:04 PM - 4:05 PM
Air Excursions
2 Stops
30h 51m
BIS - BFI
$ 455
Kiwi
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10:05 PM - 9:25 PM
Air Excursions
2 Stops
26h 10m
BIS - BFI
$ 468
Kiwi
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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.