Southwest® flights from San Francisco to Washington, D.C. (Reagan National) from $119

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Low fares from San Francisco to Washington, D.C. (Reagan National)

$

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 03/17/2026

One-way

Basic

From
$119
Seen: 20 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 03/11/2026

One-way

Basic

From
$119
Seen: 2 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 03/04/2026

One-way

Basic

From
$119
Seen: 2 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 02/25/2026

One-way

Basic

From
$124
Seen: 20 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 02/24/2026

One-way

Basic

From
$124
Seen: 22 minutes ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 04/08/2026

One-way

Basic

From
$129
Seen: 17 hrs ago

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Explore flights from San Francisco to Washington, D.C. (Reagan National)

*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

Flight Details

Departing from:
San Francisco International Airport
Arriving at:
Ronald Reagan National Airport
Distance:
2442 miles

Route Information

70† 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 70 weekly flights from San Francisco to Washington, D.C. (Reagan National) on Southwest Airlines.
To find the lowest fares by day and time to fly San Francisco to Washington, D.C. (Reagan National) with Southwest, check out our Low Fare Calendar.
You can rent a car at Ronald Reagan National Airport book yours with your flight.
Yes! Flights from San Francisco to Washington, D.C. (Reagan National)—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.

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