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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 April , May 2026

19 Apr - 08 May $ 847.00
BIS
Bismarck
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
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19 Apr - 08 May $ 864.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
30 Apr - 08 May $ 867.00
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

19 Apr - 01 May $ 870.00
BIS
Bismarck
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
19 Apr - 01 May $ 886.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIS
Bismarck
Pick dates
26 Apr - 01 May $ 898.00
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

11:36 AM - 2:45 PM
Air Excursions
3 Stops
29h 59m
BIS - BFI
$ 460
Kiwi
Pick dates
11:36 AM - 2:45 PM
Air Excursions
2 Stops
29h 59m
BIS - BFI
$ 477
Kiwi
Pick dates
11:36 AM - 2:45 PM
Air Excursions
2 Stops
29h 59m
BIS - BFI
$ 480
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.