Washington (IAD) to San Francisco (SFO) flight deal in economy from $357
IADWashington Dulles International Airport
Washington, United States
SFOSan Francisco International Airport
San Francisco, United States
$442 USD
-19%$357 USD
Verified 14 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Monday, August 17th, 2026
1 round-trip options
Returning
Tue, Aug 25, 2026•8 Day Trip
$381 USD