Seattle / Tacoma (SEA) to Washington (DCA) flight deal in economy from $275

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesDCA

Ronald Reagan Washington National Airport

Washington, United States
$459 USD
-40%$275 USD
Verified 13 days ago
Limited Availability
12% of dates checked are available within 10% of the lowest price

Saturday, November 21st, 2026

7 round-trip options

Returning
Thu, Nov 26, 2026•5 Day Trip
$467 USD
Google Flights
Returning
Sat, Nov 28, 2026•7 Day Trip
$760 USD
Google Flights
Returning
Sun, Nov 29, 2026•8 Day Trip
$1,056 USD
Google Flights
Returning
Mon, Nov 30, 2026•9 Day Trip
$605 USD
Google Flights
Returning
Tue, Dec 1, 2026•10 Day Trip
$467 USD
Google Flights
Returning
Wed, Dec 2, 2026•11 Day Trip
$467 USD
Google Flights
Returning
Thu, Dec 3, 2026•12 Day Trip
$495 USD
Google Flights