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 agoOctober 2026
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Fair Availability
25% of dates checked are available within 10% of the lowest price
Thursday, October 1st, 2026
6 round-trip options
Returning
Tue, Oct 6, 2026•5 Day Trip
$392 USD
Returning
Wed, Oct 7, 2026•6 Day Trip
$392 USD
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Thu, Oct 8, 2026•7 Day Trip
$427 USD
Returning
Mon, Oct 12, 2026•11 Day Trip
$427 USD
Returning
Tue, Oct 13, 2026•12 Day Trip
$392 USD
Returning
Wed, Oct 14, 2026•13 Day Trip
$392 USD