Southwest® flights from Washington D.C. Reagan National to San Francisco from $171

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

$

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 12/17/2026

One-way

Basic

From
$171
Seen: 17 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 12/10/2026

One-way

Basic

From
$171
Seen: 11 hrs ago

Washington D.C. Reagan National (DCA)to

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

One-way

Basic

From
$171
Seen: 2 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 01/07/2027

One-way

Basic

From
$171
Seen: 27 minutes ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 01/28/2027

One-way

Basic

From
$171
Seen: 21 hrs ago

Washington D.C. Reagan National (DCA)to

San Francisco (SFO)
Depart: 12/03/2026

One-way

Basic

From
$171
Seen: 20 hrs ago

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

Oct 2026
From$634*
Seen: 10 hrs ago
One Way/Basic
Nov 2026
From$171*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$171*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $171
cmp-daily-histogram-bars-legend-max-price-aria-label $634
Displaying fares for October-2026
  • DCA–SFO, 10/23/2026: From $634
    23

    Fri

    OCT

  • DCA–SFO, 10/24/2026: From $634
    24

    Sat

  • DCA–SFO, 10/25/2026: From $634
    25

    Sun

  • DCA–SFO, 10/26/2026: From $634
    26

    Mon

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

    Tue

  • DCA–SFO, 10/28/2026: From $634
    28

    Wed

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

    Thu

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    01

    Sun

    NOV

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

    Mon

  • DCA–SFO, 11/03/2026: From $534
    03

    Tue

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

    Wed

  • DCA–SFO, 11/05/2026: From $368
    05

    Thu

  • DCA–SFO, 11/06/2026: From $368
    06

    Fri

  • DCA–SFO, 11/07/2026: From $368
    07

    Sat

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

  • DCA–SFO, 11/10/2026: From $190
    10

    Tue

  • DCA–SFO, 11/11/2026: From $195
    11

    Wed

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

    Thu

  • DCA–SFO, 11/13/2026: From $276
    13

    Fri

  • DCA–SFO, 11/14/2026: From $171
    14

    Sat

  • DCA–SFO, 11/15/2026: From $289
    15

    Sun

  • DCA–SFO, 11/16/2026: From $274
    16

    Mon

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • DCA–SFO: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

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

    Fri

  • DCA–SFO, 11/21/2026: From $289
    21

    Sat

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

    Sun

    • Range$171-$634

    *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

    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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