IAD to SFO from $357 in economy – flightdeals.net

Home Premium Fare Deals About

United Airlines

UAUnited Airlines

Round Trip•Economy

Washington Dulles International Airport

Washington, United States

San Francisco International Airport

San Francisco, United States

$442 USD

-19%$357 USD

Verified 15 days ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$375 29$392 30$357 1$392 2$375 3$392 4$392 5$375 6$392 7$357 8$392 9$392 10$392 11$392 12$392 13$392 14$357 15$392 16$375 17$392 18$392 19$375 20$392 21$357 22$392 23$375 24$392 25$392 26$375 27$392 28$357 29$392 30$375 31$392 1

Limited Availability

15% of dates checked are available within 10% of the lowest price

Friday, October 16th, 2026

2 round-trip options

Returning

Wed, Oct 21, 2026•5 Day Trip

$375 USD

Returning

Thu, Oct 22, 2026•6 Day Trip

$410 USD