IAD to SAN from $307 in economy

ASAlaska Airlines, Inc.

Round Trip•Economy

IAD

Washington Dulles International Airport

Washington, United States

SAN

San Diego International Airport

San Diego, United States

$449 USD

-32%$307 USD

Verified 15 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$808 6$808 7$763 8$777 9$762 10$763 11$763 12$652 13$652 14$618 15$582 16$592 17$592 18$618 19$497 20$497 21$497 22$497 23$497 24$497 25$497 26$387 27$387 28$387 29$387 30$457 31$400 1$387 2$409

Rare Availability

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

Saturday, July 18th, 2026

8 round-trip options

Returning

Thu, Jul 23, 2026•5 Day Trip

$652 USD

Google Flights

Returning

Fri, Jul 24, 2026•6 Day Trip

$652 USD

Google Flights

Returning

Sat, Jul 25, 2026•7 Day Trip

$652 USD

Google Flights

Returning

Mon, Jul 27, 2026•9 Day Trip

$702 USD

Google Flights

Returning

Tue, Jul 28, 2026•10 Day Trip

$618 USD

Google Flights

Returning

Thu, Jul 30, 2026•12 Day Trip

$642 USD

Google Flights

Returning

Fri, Jul 31, 2026•13 Day Trip

$628 USD

Google Flights

Returning

Sat, Aug 1, 2026•14 Day Trip

$668 USD

Google Flights

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

Washington Dulles International Airport

San Diego International Airport

July 2026

Saturday, July 18th, 2026