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Find low faresSouthwest® flights from Washington, D.C. (Dulles) to San Francisco from $119
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Low fares from Washington, D.C. (Dulles) to San Francisco
$
Washington, D.C. (Dulles) (IAD)to
San Francisco (SFO)
Depart: 02/24/2026
One-way
Basic
From
$119
Seen: 14 hrs ago
Washington, D.C. (Dulles) (IAD)to
San Francisco (SFO)
Depart: 02/25/2026
One-way
Basic
From
$119
Seen: 12 hrs ago
Washington, D.C. (Dulles) (IAD)to
San Francisco (SFO)
Depart: 03/10/2026
One-way
Basic
From
$119
Seen: 15 hrs ago
Washington, D.C. (Dulles) (IAD)to
San Francisco (SFO)
Depart: 03/16/2026
One-way
Basic
From
$139
Seen: 1 hour ago
Washington, D.C. (Dulles) (IAD)to
San Francisco (SFO)
Depart: 04/18/2026
One-way
Basic
From
$159
Seen: 23 hrs ago
Washington, D.C. (Dulles) (IAD)to
San Francisco (SFO)
Depart: 03/21/2026
One-way
Basic
From
$159
Seen: 14 hrs ago
Explore flights from Washington, D.C. (Dulles) to San Francisco
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Flight Details
Departing from:
Dulles International Airport
Arriving at:
San Francisco International Airport
Distance:
2419 miles
Route Information
52† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 52 weekly flights from Washington, D.C. (Dulles) to San Francisco on Southwest Airlines.
To find the lowest fares by day and time to fly Washington, D.C. (Dulles) to San Francisco with Southwest, check out our Low Fare Calendar.
You can rent a car at San Francisco International Airport book yours with your flight.
Yes! Flights from Washington, D.C. (Dulles) to San Francisco—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.