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Cheap flights from Kalispell (FCA) 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 Kalispell (FCA) to Seattle (BFI)

How to find the cheapest flight from Kalispell (FCA) to Seattle (BFI)
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How to find the cheapest flight from Kalispell (FCA) to Seattle (BFI)
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How to find the cheapest flight from Kalispell (FCA) to Seattle (BFI)
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Cheap flights from Kalispell to Seattle in August , September 2026

28 Aug - 02 Oct $ 928.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates
28 Aug - 25 Sep $ 936.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FCA
Kalispell
Pick dates
28 Aug - 18 Sep $ 944.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
FCA
Kalispell
Pick dates

One-way flights to Seattle from Kalispell

10:54 AM - 8:25 PM
Air Excursions
2 Stops
11h 21m
FCA - BFI
$ 603
Kiwi
Pick dates
3:39 PM - 9:25 PM
Air Excursions
3 Stops
31h 36m
FCA - BFI
$ 619
Kiwi
Pick dates
10:54 AM - 8:25 PM
Air Excursions
2 Stops
11h 21m
FCA - BFI
$ 781
Kiwi
Pick dates

How to find the cheapest flight from Kalispell (FCA) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Kalispell (FCA) 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 Kalispell (FCA) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.