SAN to DCA from $322 in economy

UAUnited Airlines

Round Trip•Economy

SAN

San Diego International Airport

San Diego, United States

DCA

Ronald Reagan Washington National Airport

Washington, United States

$443 USD

-27%$322 USD

Verified 14 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$769 6$738 7$715 8$715 9$769 10$738 11$715 12$642 13$572 14$572 15$572 16$572 17$572 18$572 19$477 20$465 21$465 22$465 23$465 24$477 25$477 26$457 27$407 28$407 29$407 30$407 31$407 1$407 2$407

Rare Availability

5% of dates checked are available within 10% of the lowest price

Monday, July 27th, 2026

8 round-trip options

Returning

Sat, Aug 1, 2026•5 Day Trip

$457 USD

Google Flights

Returning

Sun, Aug 2, 2026•6 Day Trip

$472 USD

Google Flights

Returning

Mon, Aug 3, 2026•7 Day Trip

$457 USD

Google Flights

Returning

Tue, Aug 4, 2026•8 Day Trip

$407 USD

Google Flights

Returning

Wed, Aug 5, 2026•9 Day Trip

$407 USD

Google Flights

Returning

Sat, Aug 8, 2026•12 Day Trip

$407 USD

Google Flights

Returning

Sun, Aug 9, 2026•13 Day Trip

$477 USD

Google Flights

Returning

Mon, Aug 10, 2026•14 Day Trip

$407 USD

Google Flights

San Diego (SAN) to Washington (DCA) flight deal in economy from $322

San Diego International Airport

Ronald Reagan Washington National Airport

July 2026

Monday, July 27th, 2026