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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 July , August 2026

29 Jul - 25 Aug $ 954.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
DCA
Washington
Pick dates
29 Jul - 28 Aug $ 954.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
DCA
Washington
Pick dates
29 Jul - 01 Sep $ 954.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
2 STOPS
DCA
Washington
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Last minute flights from Washington to Seattle

29 Jul - 01 Aug $ 1,180.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
29 Jul - 02 Aug $ 1,180.00
DCA
Washington
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
DCA
Washington
Pick dates
29 Jul - 01 Aug $ 1,269.00
DCA
Washington
JetBlue Airways
2 STOPS
BFI
Seattle
BFI
Seattle
JetBlue Airways
3 STOPS
DCA
Washington
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One-way flights to Seattle from Washington

7:00 AM - 8:25 PM
Air Excursions
2 Stops
17h 15m
DCA - BFI
$ 589
Kiwi
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7:00 AM - 6:45 PM
Air Excursions
2 Stops
15h 35m
DCA - BFI
$ 593
Kiwi
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6:00 PM - 9:35 AM
Air Excursions
2 Stops
43h 25m
DCA - BFI
$ 617
Kiwi
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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.