San Diego (SAN) to Washington (IAD) flight deal in economy from $307

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSAN

San Diego International Airport

San Diego, United States
United StatesIAD

Washington Dulles International Airport

Washington, United States
$418 USD
-27%$307 USD
Verified 13 days ago
Rare Availability
7% of dates checked are available within 10% of the lowest price

Sunday, December 20th, 2026

6 round-trip options

Returning
Fri, Dec 25, 2026•5 Day Trip
$474 USD
Google Flights
Returning
Sun, Dec 27, 2026•7 Day Trip
$686 USD
Google Flights
Returning
Tue, Dec 29, 2026•9 Day Trip
$486 USD
Google Flights
Returning
Wed, Dec 30, 2026•10 Day Trip
$416 USD
Google Flights
Returning
Thu, Dec 31, 2026•11 Day Trip
$416 USD
Google Flights
Returning
Sat, Jan 2, 2027•13 Day Trip
$464 USD
Google Flights