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Cheap flights from Washington (DCA) 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 Washington (DCA) to Seattle (BFI)

How to find the cheapest flight from Washington (DCA) to Seattle (BFI)
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How to find the cheapest flight from Washington (DCA) to Seattle (BFI)
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How to find the cheapest flight from Washington (DCA) to Seattle (BFI)
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Cheap flights from Washington to Seattle in November , December 2026

23 Nov - 16 Dec $ 777.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
26 Nov - 16 Dec $ 865.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
16 Nov - 16 Dec $ 871.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
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Last minute flights from Washington to Seattle

23 Nov - 02 Dec $ 943.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
26 Nov - 02 Dec $ 1,032.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
16 Nov - 02 Dec $ 1,037.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates

One-way flights to Seattle from Washington

12:00 PM - 9:25 PM
Air Excursions
3 Stops
37h 15m
DCA - BFI
$ 433
Kiwi
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7:00 AM - 9:35 AM
Air Excursions
2 Stops
30h 25m
DCA - BFI
$ 521
Kiwi
Pick dates
6:00 PM - 6:45 PM
Air Excursions
2 Stops
28h 35m
DCA - BFI
$ 527
Kiwi
Pick dates

How to find the cheapest flight from Washington (DCA) to Seattle (BFI)

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