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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 September , October 2026

21 Sep - 20 Oct $ 800.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
27 Sep - 20 Oct $ 842.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
21 Sep - 20 Oct $ 884.00
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

21 Sep - 02 Oct $ 919.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
3 STOPS
DCA
Washington
Pick dates
21 Sep - 02 Oct $ 949.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
27 Sep - 02 Oct $ 960.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
3 STOPS
DCA
Washington
Pick dates

One-way flights to Seattle from Washington

6:00 PM - 6:45 PM
Air Excursions
2 Stops
28h 35m
DCA - BFI
$ 453
Kiwi
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7:00 AM - 4:05 PM
Air Excursions
2 Stops
12h 55m
DCA - BFI
$ 466
Kiwi
Pick dates
7:00 AM - 4:20 PM
Air Excursions
2 Stops
13h 10m
DCA - BFI
$ 507
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.