American Airlines flights from Denver to San Antonio

Recent searches for flights from Denver to San Antonio

Aug 2026
From$384*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$372*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$372*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $372
cmp-daily-histogram-bars-legend-max-price-aria-label $1,000
Displaying fares for August-2026
  • DEN–SAT, 08/09/26 – 08/16/26: From $1,000
    09

    Su

    AUG

  • DEN–SAT, 08/10/26 – 08/18/26: From $803
    10

    Mo

  • DEN–SAT, 08/11/26 – 08/18/26: From $807
    11

    Tu

  • DEN–SAT, 08/12/26 – 08/19/26: From $807
    12

    We

  • DEN–SAT, 08/13/26 – 08/20/26: From $807
    13

    Th

  • DEN–SAT, 08/14/26 – 08/21/26: From $807
    14

    Fr

  • DEN–SAT, 08/15/26 – 08/22/26: From $807
    15

    Sa

  • DEN–SAT, 08/16/26 – 08/23/26: From $683
    16

    Su

  • DEN–SAT, 08/17/26 – 08/24/26: From $683
    17

    Mo

  • DEN–SAT, 08/18/26 – 08/25/26: From $683
    18

    Tu

  • DEN–SAT, 08/19/26 – 08/26/26: From $683
    19

    We

  • DEN–SAT, 08/20/26 – 08/27/26: From $683
    20

    Th

  • DEN–SAT, 08/21/26 – 08/28/26: From $683
    21

    Fr

  • DEN–SAT, 08/22/26 – 08/29/26: From $683
    22

    Sa

  • DEN–SAT, 08/23/26 – 08/30/26: From $559
    23

    Su

  • DEN–SAT, 08/24/26 – 08/31/26: From $559
    24

    Mo

  • DEN–SAT, 08/25/26 – 09/01/26: From $559
    25

    Tu

  • DEN–SAT, 08/26/26 – 09/02/26: From $559
    26

    We

  • DEN–SAT, 08/27/26 – 09/03/26: From $559
    27

    Th

  • DEN–SAT, 08/28/26 – 09/04/26: From $559
    28

    Fr

  • DEN–SAT, 08/29/26 – 09/05/26: From $458
    29

    Sa

  • DEN–SAT, 08/30/26 – 09/06/26: From $384
    30

    Su

  • DEN–SAT, 08/31/26 – 09/07/26: From $491
    31

    Mo

  • DEN–SAT, 09/01/26 – 09/08/26: From $479
    01

    Tu

    SEP

  • DEN–SAT, 09/02/26 – 09/09/26: From $479
    02

    We

  • DEN–SAT, 09/03/26 – 09/10/26: From $479
    03

    Th

  • DEN–SAT, 09/04/26 – 09/11/26: From $479
    04

    Fr

  • DEN–SAT, 09/05/26 – 09/12/26: From $372
    05

    Sa

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    06

    Su

  • DEN–SAT: cmp-view-offers-disclaimer. Find Offers
    07

    Mo

  • DEN–SAT, 09/08/26 – 09/15/26: From $467
    08

    Tu

    • range$372-$1,000

    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 Denver to San Antonio flights

    $
    keyboard_arrow_down

    Denver (DEN)to

    San Antonio (SAT)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $372Fare subject to changes
    Updated: 6 hours ago

    Denver (DEN)to

    San Antonio (SAT)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $372Fare subject to changes
    Updated: 6 hours ago

    Denver (DEN)to

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

    Round trip

    Economy

    from
    $372Fare subject to changes
    Updated: 6 hours ago

    Denver (DEN)to

    San Antonio (SAT)
    09/11/26 - 09/18/26

    Round trip

    Economy

    from
    $372Fare subject to changes
    Updated: 6 hours ago

    Denver (DEN)to

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

    Round trip

    Economy

    from
    $384Fare subject to changes
    Updated: 6 hours ago

    Denver (DEN)to

    San Antonio (SAT)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $458Fare subject to changes
    Updated: 6 hours ago

    Denver (DEN)to

    San Antonio (SAT)
    10/05/26 - 10/12/26

    Round trip

    Economy

    from
    $467Fare subject to changes
    Updated: 6 hours ago

    Denver (DEN)to

    San Antonio (SAT)
    10/25/26 - 11/01/26

    Round trip

    Economy

    from
    $467Fare subject to changes
    Updated: 6 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 Denver to San Antonio

    Looking for lower fares on your trip from Denver 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 Denver to San Antonio