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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 July , August 2026

30 Jul - 27 Aug $ 1,212.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
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30 Jul - 20 Aug $ 1,250.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
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30 Jul - 20 Aug $ 1,352.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
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Last minute flights from Bismarck to Seattle

30 Jul - 02 Aug $ 1,564.00
BIS
Bismarck
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
Pick dates
26 Jul - 02 Aug $ 1,675.00
BIS
Bismarck
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIS
Bismarck
Pick dates
26 Jul - 02 Aug $ 1,781.00
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

12:06 PM - 9:25 PM
Air Excursions
2 Stops
12h 9m
BIS - BFI
$ 830
Kiwi
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12:06 PM - 4:05 PM
Air Excursions
3 Stops
30h 49m
BIS - BFI
$ 1,391
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.