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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 June , July 2026

25 Jun - 17 Jul $ 891.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
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25 Jun - 17 Jul $ 951.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
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25 Jun - 31 Jul $ 960.00
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

25 Jun - 02 Jul $ 957.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
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25 Jun - 02 Jul $ 1,007.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
Pick dates
28 Jun - 02 Jul $ 1,021.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
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One-way flights to Seattle from Bismarck

12:02 PM - 5:45 PM
Air Excursions
2 Stops
32h 33m
BIS - BFI
$ 459
Kiwi
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12:02 PM - 6:45 AM
Air Excursions
2 Stops
21h 33m
BIS - BFI
$ 509
Kiwi
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12:02 PM - 11:10 AM
Air Excursions
2 Stops
25h 58m
BIS - BFI
$ 523
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.