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

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

Aug 2026
From$304*
Updated: 1 hour ago
Round tripIEconomy
Sep 2026
From$319*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$294*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $304
cmp-daily-histogram-bars-legend-max-price-aria-label $572
Displaying fares for August-2026
  • DCA–SAT, 08/07/26 – 08/14/26: From $562
    07

    Fr

    AUG

  • DCA–SAT, 08/08/26 – 08/15/26: From $518
    08

    Sa

  • WAS–SAT, 08/09/26 – 08/16/26: From $572
    09

    Su

  • DCA–SAT, 08/10/26 – 08/17/26: From $572
    10

    Mo

  • DCA–SAT, 08/11/26 – 08/18/26: From $508
    11

    Tu

  • WAS–SAT, 08/12/26 – 08/19/26: From $508
    12

    We

  • DCA–SAT, 08/13/26 – 08/20/26: From $562
    13

    Th

  • WAS–SAT, 08/14/26 – 08/21/26: From $434
    14

    Fr

  • DCA–SAT, 08/15/26 – 08/22/26: From $434
    15

    Sa

  • WAS–SAT, 08/16/26 – 08/23/26: From $570
    16

    Su

  • WAS–SAT, 08/17/26 – 08/24/26: From $434
    17

    Mo

  • DCA–SAT, 08/18/26 – 08/25/26: From $434
    18

    Tu

  • DCA–SAT, 08/19/26 – 08/26/26: From $434
    19

    We

  • DCA–SAT, 08/20/26 – 08/24/26: From $399
    20

    Th

  • DCA–SAT, 08/21/26 – 08/28/26: From $359
    21

    Fr

  • WAS–SAT, 08/22/26 – 08/29/26: From $349
    22

    Sa

  • DCA–SAT, 08/23/26 – 08/30/26: From $359
    23

    Su

  • DCA–SAT, 08/24/26 – 08/31/26: From $349
    24

    Mo

  • DCA–SAT, 08/25/26 – 09/01/26: From $349
    25

    Tu

  • WAS–SAT, 08/26/26 – 09/02/26: From $349
    26

    We

  • WAS–SAT, 08/27/26 – 09/03/26: From $349
    27

    Th

  • WAS–SAT, 08/28/26 – 09/04/26: From $448
    28

    Fr

  • DCA–SAT, 08/29/26 – 09/05/26: From $319
    29

    Sa

  • WAS–SAT, 08/30/26 – 09/06/26: From $304
    30

    Su

  • WAS–SAT, 08/31/26 – 09/07/26: From $448
    31

    Mo

  • WAS–SAT, 09/01/26 – 09/08/26: From $319
    01

    Tu

    SEP

  • WAS–SAT, 09/02/26 – 09/09/26: From $319
    02

    We

  • WAS–SAT, 09/03/26 – 09/10/26: From $339
    03

    Th

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

    Fr

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

    Sa

  • DCA–SAT, 09/06/26 – 09/13/26: From $462
    06

    Su

    • range$304-$572

    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)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $294Fare subject to changes
    Updated: 1 hour ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    10/30/26 - 11/06/26

    Round trip

    Economy

    from
    $294Fare subject to changes
    Updated: 1 hour ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    08/30/26 - 09/06/26

    Round trip

    Economy

    from
    $304Fare subject to changes
    Updated: 1 hour ago

    Washington, D.C. (WAS)to

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

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 1 hour ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 1 hour ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 1 hour ago

    Washington, D.C. (WAS)to

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

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 1 hour ago

    Washington, D.C. (WAS)to

    San Antonio (SAT)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $319Fare subject to changes
    Updated: 1 hour 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