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

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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 February , March 2026

08 Feb - 07 Mar $ 1,040.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
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08 Feb - 06 Mar $ 1,052.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
08 Feb - 07 Mar $ 1,089.00
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

14 Feb - 02 Mar $ 1,196.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
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08 Feb - 02 Mar $ 1,205.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
18 Feb - 02 Mar $ 1,212.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
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One-way flights to Seattle from Bismarck

9:14 PM - 5:35 AM
Air Excursions
2 Stops
35h 11m
BIS - BFI
$ 565
Kiwi
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11:46 AM - 2:45 PM
Air Excursions
2 Stops
29h 49m
BIS - BFI
$ 567
Kiwi
Pick dates
9:21 PM - 6:45 AM
Air Excursions
2 Stops
36h 14m
BIS - BFI
$ 569
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.