San Francisco (SFO) to Washington (IAD) flight deal in economy from $357

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSFO

San Francisco International Airport

San Francisco, United States
United StatesIAD

Washington Dulles International Airport

Washington, United States
$448 USD
-20%$357 USD
Verified 15 days ago
Fair Availability
25% of dates checked are available within 10% of the lowest price

Friday, January 15th, 2027

4 round-trip options

Returning
Sat, Jan 23, 2027•8 Day Trip
$427 USD
Google Flights
Returning
Sun, Jan 24, 2027•9 Day Trip
$427 USD
Google Flights
Returning
Mon, Jan 25, 2027•10 Day Trip
$427 USD
Google Flights
Returning
Fri, Jan 29, 2027•14 Day Trip
$427 USD
Google Flights