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

Saturday, January 23rd, 2027

4 round-trip options

Returning
Sun, Jan 31, 2027•8 Day Trip
$427 USD
Google Flights
Returning
Mon, Feb 1, 2027•9 Day Trip
$427 USD
Google Flights
Returning
Tue, Feb 2, 2027•10 Day Trip
$427 USD
Google Flights
Returning
Sat, Feb 6, 2027•14 Day Trip
$427 USD
Google Flights