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Cheap flights from Kalispell (FCA) 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 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 April , May 2026

26 Apr - 08 May $ 980.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
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26 Apr - 15 May $ 983.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates
26 Apr - 15 May $ 1,005.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates

Last minute flights from Kalispell to Seattle

26 Apr - 01 May $ 1,165.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates
26 Apr - 01 May $ 1,255.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates
26 Apr - 01 May $ 1,266.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates

One-way flights to Seattle from Kalispell

12:33 PM - 6:45 PM
Air Excursions
2 Stops
32h 2m
FCA - BFI
$ 556
Kiwi
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12:33 PM - 4:05 PM
Air Excursions
2 Stops
29h 22m
FCA - BFI
$ 646
Kiwi
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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.