Southwest® flights from Washington D.C. Reagan National to San Francisco from $219

Promo Code

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

$

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 10/10/2026

One-way

Basic

From
$219
Seen: 12 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 11/14/2026

One-way

Basic

From
$219
Seen: 8 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 11/17/2026

One-way

Basic

From
$219
Seen: 1 hour ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 10/27/2026

One-way

Basic

From
$219
Seen: 20 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 10/21/2026

One-way

Basic

From
$219
Seen: 10 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 11/04/2026

One-way

Basic

From
$219
Seen: 6 hrs ago

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 Washington D.C. Reagan National to San Francisco

Sep 2026
From$348*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$219*
Seen: 20 hrs ago
One Way/Basic
Nov 2026
From$219*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $219
cmp-daily-histogram-bars-legend-max-price-aria-label $599
Displaying fares for September-2026
  • DCA–SFO, 09/11/2026: From $599
    11

    Fri

    SEP

  • DCA–SFO, 09/12/2026: From $599
    12

    Sat

  • DCA–SFO, 09/13/2026: From $599
    13

    Sun

  • DCA–SFO, 09/14/2026: From $599
    14

    Mon

  • DCA–SFO, 09/15/2026: From $599
    15

    Tue

  • DCA–SFO, 09/16/2026: From $599
    16

    Wed

  • DCA–SFO, 09/17/2026: From $599
    17

    Thu

  • DCA–SFO, 09/18/2026: From $469
    18

    Fri

  • DCA–SFO, 09/19/2026: From $469
    19

    Sat

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • DCA–SFO, 09/23/2026: From $469
    23

    Wed

  • DCA–SFO, 09/24/2026: From $469
    24

    Thu

  • DCA–SFO, 09/25/2026: From $348
    25

    Fri

  • DCA–SFO, 09/26/2026: From $348
    26

    Sat

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    27

    Sun

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • DCA–SFO, 09/29/2026: From $348
    29

    Tue

  • DCA–SFO, 09/30/2026: From $348
    30

    Wed

  • DCA–SFO, 10/01/2026: From $358
    01

    Thu

    OCT

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

  • DCA–SFO, 10/04/2026: From $319
    04

    Sun

  • DCA–SFO, 10/05/2026: From $259
    05

    Mon

  • DCA–SFO, 10/06/2026: From $259
    06

    Tue

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

  • DCA–SFO, 10/08/2026: From $224
    08

    Thu

  • DCA–SFO, 10/09/2026: From $282
    09

    Fri

  • DCA–SFO, 10/10/2026: From $219
    10

    Sat

    • Range$219-$599

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

    Route Information

    89† 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 89 weekly flights from Washington, D.C. (Reagan National) to San Francisco on Southwest Airlines.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) 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. (Reagan National) 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.

    Explore Flights from Other Popular Origins

    Popular Flights from Washington D.C. Reagan National