San Francisco (SFO) to Washington (IAD) flight deal in economy from $357
SFOSan Francisco International Airport
San Francisco, United States
IADWashington Dulles International Airport
Washington, United States
$448 USD
-20%$357 USD
Verified 13 days agoAugust 2026
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Fair Availability
25% of dates checked are available within 10% of the lowest price
Sunday, August 2nd, 2026
4 round-trip options
Returning
Fri, Aug 7, 2026•5 Day Trip
$500 USD
Returning
Sun, Aug 9, 2026•7 Day Trip
$427 USD
Returning
Tue, Aug 11, 2026•9 Day Trip
$416 USD
Returning
Thu, Aug 13, 2026•11 Day Trip
$427 USD