IAD to SAN from $307 in economy – flightdeals.net

Home Premium Fare Deals About

Alaska Airlines, Inc.

ASAlaska Airlines, Inc.

Round Trip•Economy

Washington Dulles International Airport

Washington, United States

San Diego International Airport

San Diego, United States

$449 USD

-32%$307 USD

Verified 15 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$347 1$307 2$307 3$347 4$347 5$307 6$347 7$347 8$307 9$307 10$347 11$347 12$307 13$347 14$347 15$307 16$307 17$347 18$347 19$307 20$347 21$347 22$307 23$307 24$347 25$347 26$307 27$347 28$347 29$316 30$307 1$347 2$347 3$307 4$347

Rare Availability

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

Monday, September 28th, 2026

5 round-trip options

Returning

Sat, Oct 3, 2026•5 Day Trip

$347 USD

Returning

Wed, Oct 7, 2026•9 Day Trip

$347 USD

Returning

Thu, Oct 8, 2026•10 Day Trip

$387 USD

Returning

Sun, Oct 11, 2026•13 Day Trip

$454 USD

Returning

Mon, Oct 12, 2026•14 Day Trip

$436 USD