American Airlines flights from Washington, D.C. to San Antonio

Recent searches for flights from Washington, D.C. to San Antonio

Aug 2026
From$528*
Updated: 13 hours ago
Round tripIEconomy
Sep 2026
From$317*
Updated: 11 hours ago
Round tripIEconomy
Oct 2026
From$317*
Updated: 11 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $317
cmp-daily-histogram-bars-legend-max-price-aria-label $575
Displaying fares for August-2026
  • WAS–SAT, 08/28/26 – 08/31/26: From $575
    28

    Fr

    AUG

  • DCA–SAT, 08/29/26 – 09/05/26: From $528
    29

    Sa

  • WAS–SAT, 08/30/26 – 09/06/26: From $569
    30

    Su

  • WAS–SAT, 08/31/26 – 09/07/26: From $569
    31

    Mo

  • WAS–SAT, 09/01/26 – 09/08/26: From $528
    01

    Tu

    SEP

  • DCA–SAT, 09/02/26 – 09/09/26: From $528
    02

    We

  • DCA–SAT, 09/03/26 – 09/10/26: From $464
    03

    Th

  • DCA–SAT, 09/04/26 – 09/11/26: From $454
    04

    Fr

  • DCA–SAT, 09/05/26 – 09/12/26: From $393
    05

    Sa

  • WAS–SAT, 09/06/26 – 09/13/26: From $514
    06

    Su

  • IAD–SAT, 09/07/26 – 09/14/26: From $474
    07

    Mo

  • DCA–SAT, 09/08/26 – 09/15/26: From $464
    08

    Tu

  • WAS–SAT, 09/09/26 – 09/16/26: From $393
    09

    We

  • DCA–SAT, 09/10/26 – 09/17/26: From $352
    10

    Th

  • WAS–SAT, 09/11/26 – 09/18/26: From $363
    11

    Fr

  • DCA–SAT, 09/12/26 – 09/19/26: From $352
    12

    Sa

  • WAS–SAT, 09/13/26 – 09/20/26: From $379
    13

    Su

  • DCA–SAT, 09/14/26 – 09/21/26: From $368
    14

    Mo

  • DCA–SAT, 09/15/26 – 09/22/26: From $358
    15

    Tu

  • WAS–SAT, 09/16/26 – 09/23/26: From $358
    16

    We

  • WAS–SAT, 09/17/26 – 09/24/26: From $318
    17

    Th

  • DCA–SAT, 09/18/26 – 09/22/26: From $373
    18

    Fr

  • WAS–SAT, 09/19/26 – 09/26/26: From $317
    19

    Sa

  • WAS–SAT, 09/20/26 – 09/27/26: From $349
    20

    Su

  • WAS–SAT, 09/21/26 – 09/28/26: From $323
    21

    Mo

  • WAS–SAT, 09/22/26 – 09/29/26: From $317
    22

    Tu

  • WAS–SAT, 09/23/26 – 09/30/26: From $317
    23

    We

  • WAS–SAT, 09/24/26 – 10/01/26: From $317
    24

    Th

  • DCA–SAT, 09/25/26 – 09/28/26: From $328
    25

    Fr

  • DCA–SAT, 09/26/26 – 10/01/26: From $317
    26

    Sa

  • DCA–SAT, 09/27/26 – 10/05/26: From $338
    27

    Su

    • range$317-$575

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Washington, D.C. to San Antonio flights

    $
    keyboard_arrow_down

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    11/05/26 - 11/12/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    09/28/26 - 10/05/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $317Fare subject to changes
    Updated: 13 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Washington, D.C. to San Antonio

    Looking for lower fares on your trip from Washington, D.C. to San Antonio? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Washington, D.C. to San Antonio