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
Monday, October 5th, 2026
6 round-trip options
Returning
Sat, Oct 10, 2026•5 Day Trip
$392 USD
Returning
Sun, Oct 11, 2026•6 Day Trip
$427 USD
Returning
Mon, Oct 12, 2026•7 Day Trip
$427 USD
Returning
Fri, Oct 16, 2026•11 Day Trip
$410 USD
Returning
Sat, Oct 17, 2026•12 Day Trip
$392 USD
Returning
Sun, Oct 18, 2026•13 Day Trip
$427 USD