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Cheap flights from Bellingham (BLI) 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 Bellingham (BLI) to Seattle (BFI)

How to find the cheapest flight from Bellingham (BLI) to Seattle (BFI)
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How to find the cheapest flight from Bellingham (BLI) to Seattle (BFI)
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How to find the cheapest flight from Bellingham (BLI) to Seattle (BFI)
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Cheap flights from Bellingham to Seattle in December 2025 , January 2026

29 Dec - 29 Jan $ 1,047.00
BLI
Bellingham
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BLI
Bellingham
Pick dates
20 Dec - 29 Jan $ 1,050.00
BLI
Bellingham
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BLI
Bellingham
Pick dates
22 Dec - 29 Jan $ 1,052.00
BLI
Bellingham
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BLI
Bellingham
Pick dates

Last minute flights from Bellingham to Seattle

29 Dec - 01 Jan $ 1,232.00
BLI
Bellingham
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BLI
Bellingham
Pick dates
20 Dec - 01 Jan $ 1,238.00
BLI
Bellingham
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BLI
Bellingham
Pick dates
22 Dec - 01 Jan $ 1,241.00
BLI
Bellingham
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BLI
Bellingham
Pick dates

One-way flights to Seattle from Bellingham

3:32 PM - 5:45 PM
Air Excursions
2 Stops
27h 3m
BLI - BFI
$ 627
Kiwi
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1:02 PM - 4:05 PM
Air Excursions
2 Stops
27h 53m
BLI - BFI
$ 629
Kiwi
Pick dates
1:02 PM - 4:05 PM
Air Excursions
2 Stops
27h 53m
BLI - BFI
$ 631
Kiwi
Pick dates

How to find the cheapest flight from Bellingham (BLI) to Seattle (BFI)

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