DCA to SAN from $322 in economy

UAUnited Airlines

Round Trip•Economy

DCA

Ronald Reagan Washington National Airport

Washington, United States

SAN

San Diego International Airport

San Diego, United States

$443 USD

-27%$322 USD

Verified 13 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$864 6$746 7$688 8$688 9$742 10$719 11$642 12$642 13$622 14$572 15$572 16$572 17$572 18$572 19$477 20$477 21$477 22$477 23$477 24$477 25$477 26$505 27$407 28$407 29$407 30$467 31$494 1$457 2$472

Rare Availability

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

Saturday, July 11th, 2026

7 round-trip options

Returning

Thu, Jul 16, 2026•5 Day Trip

$810 USD

Google Flights

Returning

Fri, Jul 17, 2026•6 Day Trip

$810 USD

Google Flights

Returning

Mon, Jul 20, 2026•9 Day Trip

$688 USD

Google Flights

Returning

Tue, Jul 21, 2026•10 Day Trip

$688 USD

Google Flights

Returning

Wed, Jul 22, 2026•11 Day Trip

$688 USD

Google Flights

Returning

Thu, Jul 23, 2026•12 Day Trip

$642 USD

Google Flights

Returning

Fri, Jul 24, 2026•13 Day Trip

$715 USD

Google Flights

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

Ronald Reagan Washington National Airport

San Diego International Airport

July 2026

Saturday, July 11th, 2026