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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

16 Apr - 11 May $ 948.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
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16 Apr - 08 May $ 969.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates
16 Apr - 04 May $ 979.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
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Last minute flights from Kalispell to Seattle

16 Apr - 01 May $ 966.00
FCA
Kalispell
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
Pick dates
05 Apr - 01 May $ 1,097.00
FCA
Kalispell
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
FCA
Kalispell
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One-way flights to Seattle from Kalispell

12:33 PM - 4:05 PM
Air Excursions
2 Stops
29h 22m
FCA - BFI
$ 517
Kiwi
Pick dates
10:58 AM - 2:45 PM
Air Excursions
3 Stops
29h 37m
FCA - BFI
$ 639
Kiwi
Pick dates
12:33 PM - 4:05 PM
Air Excursions
3 Stops
29h 22m
FCA - BFI
$ 833
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.