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

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0 Children (2~11)
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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 August , September 2026

31 Aug - 26 Sep $ 779.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
3 STOPS
DCA
Washington
Pick dates
31 Aug - 19 Sep $ 779.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
3 STOPS
DCA
Washington
Pick dates
31 Aug - 02 Sep $ 875.00
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

28 Aug - 01 Sep $ 1,018.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
DCA
Washington
Pick dates
25 Aug - 01 Sep $ 1,018.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
DCA
Washington
Pick dates
26 Aug - 01 Sep $ 1,018.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
DCA
Washington
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One-way flights to Seattle from Washington

7:00 AM - 9:25 PM
Air Excursions
2 Stops
18h 15m
DCA - BFI
$ 439
Kiwi
Pick dates
7:00 AM - 8:25 PM
Air Excursions
2 Stops
17h 15m
DCA - BFI
$ 484
Kiwi
Pick dates
7:00 AM - 9:25 PM
Air Excursions
2 Stops
18h 15m
DCA - BFI
$ 484
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.