Southwest® flights from Washington D.C. Reagan National to San Francisco from $209

Promo Code

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

$

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 11/10/2026

One-way

Basic

From
$209
Seen: 12 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 11/18/2026

One-way

Basic

From
$209
Seen: 9 hrs ago

Washington D.C. Reagan National (DCA)to

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

One-way

Basic

From
$209
Seen: 22 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 11/07/2026

One-way

Basic

From
$209
Seen: 11 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 12/15/2026

One-way

Basic

From
$209
Seen: 11 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 12/05/2026

One-way

Basic

From
$209
Seen: 11 hrs ago

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

Sep 2026
From$624*
Seen: 12 hrs ago
One Way/Basic
Oct 2026
From$209*
Seen: 22 hrs ago
One Way/Basic
Nov 2026
From$209*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $287
cmp-daily-histogram-bars-legend-max-price-aria-label $624
Displaying fares for September-2026
  • DCA–SFO, 09/25/2026: From $624
    25

    Fri

    SEP

  • DCA–SFO, 09/26/2026: From $624
    26

    Sat

  • DCA–SFO, 09/27/2026: From $624
    27

    Sun

  • DCA–SFO, 09/28/2026: From $624
    28

    Mon

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • DCA–SFO, 09/30/2026: From $624
    30

    Wed

  • DCA–SFO, 10/01/2026: From $524
    01

    Thu

    OCT

  • DCA–SFO, 10/02/2026: From $524
    02

    Fri

  • DCA–SFO, 10/03/2026: From $524
    03

    Sat

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • DCA–SFO, 10/05/2026: From $524
    05

    Mon

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

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

    Wed

  • DCA–SFO, 10/08/2026: From $524
    08

    Thu

  • DCA–SFO, 10/09/2026: From $439
    09

    Fri

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

    Sat

  • DCA–SFO, 10/11/2026: From $457
    11

    Sun

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

  • DCA–SFO, 10/13/2026: From $358
    13

    Tue

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    14

    Wed

  • DCA–SFO, 10/15/2026: From $358
    15

    Thu

  • DCA–SFO, 10/16/2026: From $324
    16

    Fri

  • DCA–SFO, 10/17/2026: From $287
    17

    Sat

  • DCA–SFO, 10/18/2026: From $477
    18

    Sun

  • DCA–SFO, 10/19/2026: From $292
    19

    Mon

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

    Tue

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

    Wed

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

    Thu

  • DCA–SFO, 10/23/2026: From $304
    23

    Fri

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

    • Range$287-$624

    *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.

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