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

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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 14 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$381 1$392 2$357 3$392 4$375 5$392 6$392 7$392 8$392 9$357 10$392 11$375 12$392 13$392 14$375 15$392 16$357 17$392 18$375 19$392 20$392 21$375 22$392 23$357 24$392 25$375 26$392 27$392 28$375 29$392 30$357 1$392 2$375 3$392 4$392

Limited Availability

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

Tuesday, September 22nd, 2026

2 round-trip options

Returning

Sun, Sep 27, 2026•5 Day Trip

$392 USD

Returning

Mon, Sep 28, 2026•6 Day Trip

$392 USD