Southwest® flights from San Antonio to Washington D.C. Reagan National from $126

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

$

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 12/03/2026

One-way

Basic

From
$126
Seen: 17 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 01/06/2027

One-way

Basic

From
$126
Seen: 20 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 12/02/2026

One-way

Basic

From
$126
Seen: 22 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 01/04/2027

One-way

Basic

From
$126
Seen: 16 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 12/17/2026

One-way

Basic

From
$126
Seen: 20 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 12/07/2026

One-way

Basic

From
$126
Seen: 13 hrs ago

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

Oct 2026
From$280*
Seen: 22 hrs ago
One Way/Basic
Nov 2026
From$130*
Seen: 23 hrs ago
One Way/Basic
Dec 2026
From$126*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $130
cmp-daily-histogram-bars-legend-max-price-aria-label $345
Displaying fares for October-2026
  • SAT–DCA: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

    OCT

  • SAT–DCA, 10/24/2026: From $342
    24

    Sat

  • SAT–DCA, 10/25/2026: From $345
    25

    Sun

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

    Mon

  • SAT–DCA, 10/27/2026: From $299
    27

    Tue

  • SAT–DCA, 10/28/2026: From $280
    28

    Wed

  • SAT–DCA, 10/29/2026: From $280
    29

    Thu

  • SAT–DCA, 10/30/2026: From $280
    30

    Fri

  • SAT–DCA, 10/31/2026: From $285
    31

    Sat

  • SAT–DCA, 11/01/2026: From $280
    01

    Sun

    NOV

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

    Mon

  • SAT–DCA, 11/03/2026: From $280
    03

    Tue

  • SAT–DCA, 11/04/2026: From $230
    04

    Wed

  • SAT–DCA, 11/05/2026: From $230
    05

    Thu

  • SAT–DCA, 11/06/2026: From $270
    06

    Fri

  • SAT–DCA, 11/07/2026: From $230
    07

    Sat

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

    Sun

  • SAT–DCA, 11/09/2026: From $144
    09

    Mon

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

    Tue

  • SAT–DCA, 11/11/2026: From $148
    11

    Wed

  • SAT–DCA, 11/12/2026: From $130
    12

    Thu

  • SAT–DCA, 11/13/2026: From $156
    13

    Fri

  • SAT–DCA, 11/14/2026: From $130
    14

    Sat

  • SAT–DCA, 11/15/2026: From $200
    15

    Sun

  • SAT–DCA, 11/16/2026: From $130
    16

    Mon

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

    Tue

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

    Wed

  • SAT–DCA, 11/19/2026: From $130
    19

    Thu

  • SAT–DCA, 11/20/2026: From $230
    20

    Fri

  • SAT–DCA, 11/21/2026: From $200
    21

    Sat

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

    Sun

    • Range$130-$345

    *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 Antonio International Airport
    Arriving at:
    Ronald Reagan National Airport
    Distance:
    1380 miles

    Questions we hear the most

    There are 151 weekly flights from San Antonio to Washington, D.C. (Reagan National) on Southwest Airlines.
    To find the lowest fares by day and time to fly San Antonio 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 Antonio 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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