Seattle / Tacoma (SEA) to Washington (DCA) flight deal in economy from $173

United AirlinesUAUnited Airlines
One Way•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesDCA

Ronald Reagan Washington National Airport

Washington, United States
$223 USD
-22%$173 USD
Verified about 8 hours ago
Fair Availability
22% of dates checked are available within 10% of the lowest price

Thursday, July 30th, 2026

No flight details available for this date.