Southwest® flights from San Francisco to Washington, D.C. (Reagan National) from $189

Promo Code

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

$

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 10/06/2026

One-way

Basic

From
$189
Seen: 14 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 11/04/2026

One-way

Basic

From
$189
Seen: 20 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 10/28/2026

One-way

Basic

From
$189
Seen: 1 hour ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 09/01/2026

One-way

Basic

From
$189
Seen: 21 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 10/07/2026

One-way

Basic

From
$189
Seen: 8 hrs ago

San Francisco (SFO)to

Washington, D.C. (Reagan National) (DCA)
Depart: 10/10/2026

One-way

Basic

From
$209
Seen: 14 hrs ago

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

Aug 2026
From$239*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$189*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
cmp-daily-histogram-bars-legend-max-price-aria-label $589
Displaying fares for August-2026
  • SFO–DCA: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

    AUG

  • SFO–DCA, 08/03/2026: From $589
    03

    Mon

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

    Tue

  • SFO–DCA: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • SFO–DCA, 08/06/2026: From $589
    06

    Thu

  • SFO–DCA, 08/07/2026: From $459
    07

    Fri

  • SFO–DCA, 08/08/2026: From $459
    08

    Sat

  • SFO–DCA, 08/09/2026: From $459
    09

    Sun

  • SFO–DCA: cmp-view-offers-disclaimer. Find Offers
    10

    Mon

  • SFO–DCA, 08/11/2026: From $459
    11

    Tue

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

    Wed

  • SFO–DCA, 08/13/2026: From $459
    13

    Thu

  • SFO–DCA, 08/14/2026: From $338
    14

    Fri

  • SFO–DCA, 08/15/2026: From $393
    15

    Sat

  • SFO–DCA: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

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

    Mon

  • SFO–DCA, 08/18/2026: From $338
    18

    Tue

  • SFO–DCA, 08/19/2026: From $338
    19

    Wed

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

    Thu

  • SFO–DCA, 08/21/2026: From $244
    21

    Fri

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

    Sat

  • SFO–DCA, 08/23/2026: From $239
    23

    Sun

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

    Mon

  • SFO–DCA, 08/25/2026: From $239
    25

    Tue

  • SFO–DCA: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • SFO–DCA, 08/27/2026: From $239
    27

    Thu

  • SFO–DCA, 08/28/2026: From $239
    28

    Fri

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

    Sat

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

    Sun

  • SFO–DCA, 08/31/2026: From $239
    31

    Mon

  • SFO–DCA, 09/01/2026: From $189
    01

    Tue

    SEP

    • Range$189-$589

    *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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