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 14 days agoNovember 2026
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Fair Availability
25% of dates checked are available within 10% of the lowest price
Monday, November 23rd, 2026
4 round-trip options
Returning
Mon, Nov 30, 2026•7 Day Trip
$521 USD
Returning
Tue, Dec 1, 2026•8 Day Trip
$497 USD
Returning
Wed, Dec 2, 2026•9 Day Trip
$427 USD
Returning
Mon, Dec 7, 2026•14 Day Trip
$427 USD