Southwest® flights from San Antonio to Washington D.C. Reagan National from $155

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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: 02/09/2027

One-way

Basic

From
$155
Seen: 9 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 02/17/2027

One-way

Basic

From
$160
Seen: 7 hrs ago

San Antonio (SAT)to

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

One-way

Basic

From
$160
Seen: 20 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 12/09/2026

One-way

Basic

From
$160
Seen: 4 hrs ago

San Antonio (SAT)to

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

One-way

Basic

From
$175
Seen: 7 hrs ago

San Antonio (SAT)to

Washington D.C. Reagan National (DCA)
Depart: 12/24/2026

One-way

Basic

From
$175
Seen: 15 hrs ago

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

Nov 2026
From$235*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$160*
Seen: 4 hrs ago
One Way/Basic
Jan 2027
From$190*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $160
cmp-daily-histogram-bars-legend-max-price-aria-label $1.0K
Displaying fares for November-2026
  • SAT–DCA, 11/12/2026: From $345
    12

    Thu

    NOV

  • SAT–DCA, 11/13/2026: From $345
    13

    Fri

  • SAT–DCA, 11/14/2026: From $309
    14

    Sat

  • SAT–DCA: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

  • SAT–DCA, 11/16/2026: From $345
    16

    Mon

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

    Tue

  • SAT–DCA, 11/18/2026: From $285
    18

    Wed

  • SAT–DCA, 11/19/2026: From $290
    19

    Thu

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

    Fri

  • SAT–DCA, 11/21/2026: From $285
    21

    Sat

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

    Sun

  • SAT–DCA: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

  • SAT–DCA, 11/24/2026: From $285
    24

    Tue

  • SAT–DCA, 11/25/2026: From $235
    25

    Wed

  • SAT–DCA, 11/26/2026: From $235
    26

    Thu

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

    Fri

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

    Sat

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

    Sun

  • SAT–DCA, 11/30/2026: From $1,020
    30

    Mon

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

    Tue

    DEC

  • SAT–DCA, 12/02/2026: From $160
    02

    Wed

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

    Thu

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

    Fri

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

    Sat

  • SAT–DCA, 12/06/2026: From $205
    06

    Sun

  • SAT–DCA, 12/07/2026: From $180
    07

    Mon

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

    Tue

  • SAT–DCA, 12/09/2026: From $160
    09

    Wed

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

    Thu

  • SAT–DCA, 12/11/2026: From $235
    11

    Fri

    • Range$160-$1,020

    *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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