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

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$929 6$852 7$787 8$868 9$927 10$821 11$722 12$749 13$727 14$688 15$688 16$749 17$727 18$609 19$532 20$532 21$489 22$489 23$532 24$569 25$512 26$464 27$426 28$426 29$427 30$427 31$508 1$507 2$482

Limited Availability

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

Friday, July 31st, 2026

1 round-trip options

Returning

Sat, Aug 8, 2026•8 Day Trip

$508 USD