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

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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 January , February 2026

28 Jan - 10 Feb $ 890.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DCA
Washington
Pick dates
28 Jan - 03 Feb $ 895.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DCA
Washington
Pick dates
24 Jan - 10 Feb $ 953.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DCA
Washington
Pick dates

Last minute flights from Washington to Seattle

28 Jan - 02 Feb $ 1,014.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DCA
Washington
Pick dates
28 Jan - 02 Feb $ 1,050.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DCA
Washington
Pick dates
24 Jan - 02 Feb $ 1,113.00
DCA
Washington
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
3 STOPS
DCA
Washington
Pick dates

One-way flights to Seattle from Washington

2:00 PM - 2:45 PM
Air Excursions
3 Stops
28h 35m
DCA - BFI
$ 454
Kiwi
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2:00 PM - 2:45 PM
Air Excursions
3 Stops
28h 35m
DCA - BFI
$ 494
Kiwi
Pick dates
6:00 PM - 3:05 PM
Air Excursions
3 Stops
24h 55m
DCA - BFI
$ 517
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.