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

Promo Code

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
Two happy travelers riding a scooter at sunset, promoting low-fare flights.

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

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

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.

Popular Flights from San Francisco