American Airlines flights from San Antonio to Denver

Recent searches for flights from San Antonio to Denver

Aug 2026
From$288*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$288*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$299*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $288
cmp-daily-histogram-bars-legend-max-price-aria-label $948
Displaying fares for August-2026
  • SAT–DEN: cmp-view-offers-disclaimer. Find Offers
    04

    Tu

    AUG

  • SAT–DEN, 08/05/26 – 08/12/26: From $948
    05

    We

  • SAT–DEN, 08/06/26 – 08/10/26: From $870
    06

    Th

  • SAT–DEN, 08/07/26 – 08/14/26: From $948
    07

    Fr

  • SAT–DEN, 08/08/26 – 08/15/26: From $948
    08

    Sa

  • SAT–DEN, 08/09/26 – 08/11/26: From $917
    09

    Su

  • SAT–DEN, 08/10/26 – 08/12/26: From $889
    10

    Mo

  • SAT–DEN, 08/11/26 – 08/18/26: From $724
    11

    Tu

  • SAT–DEN, 08/12/26 – 08/19/26: From $724
    12

    We

  • SAT–DEN, 08/13/26 – 08/20/26: From $724
    13

    Th

  • SAT–DEN, 08/14/26 – 08/21/26: From $724
    14

    Fr

  • SAT–DEN, 08/15/26 – 08/22/26: From $724
    15

    Sa

  • SAT–DEN, 08/16/26 – 08/23/26: From $724
    16

    Su

  • SAT–DEN, 08/17/26 – 08/24/26: From $724
    17

    Mo

  • SAT–DEN, 08/18/26 – 08/25/26: From $469
    18

    Tu

  • SAT–DEN, 08/19/26 – 08/26/26: From $469
    19

    We

  • SAT–DEN, 08/20/26 – 08/27/26: From $469
    20

    Th

  • SAT–DEN, 08/21/26 – 08/28/26: From $517
    21

    Fr

  • SAT–DEN, 08/22/26 – 08/29/26: From $469
    22

    Sa

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

    Su

  • SAT–DEN, 08/24/26 – 08/31/26: From $469
    24

    Mo

  • SAT–DEN, 08/25/26 – 09/01/26: From $299
    25

    Tu

  • SAT–DEN, 08/26/26 – 09/02/26: From $299
    26

    We

  • SAT–DEN, 08/27/26 – 09/03/26: From $299
    27

    Th

  • SAT–DEN, 08/28/26 – 09/04/26: From $395
    28

    Fr

  • SAT–DEN, 08/29/26 – 09/05/26: From $288
    29

    Sa

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

    Su

  • SAT–DEN, 08/31/26 – 09/07/26: From $383
    31

    Mo

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

    Tu

    SEP

  • SAT–DEN, 09/02/26 – 09/12/26: From $299
    02

    We

  • SAT–DEN, 09/03/26 – 09/06/26: From $336
    03

    Th

    • range$288-$948

    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 San Antonio to Denver flights

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    San Antonio (SAT)to

    Denver (DEN)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $288Fare subject to changes
    Updated: 3 hours ago

    San Antonio (SAT)to

    Denver (DEN)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $288Fare subject to changes
    Updated: 3 hours ago

    San Antonio (SAT)to

    Denver (DEN)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 3 hours ago

    San Antonio (SAT)to

    Denver (DEN)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 3 hours ago

    San Antonio (SAT)to

    Denver (DEN)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 3 hours ago

    San Antonio (SAT)to

    Denver (DEN)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 3 hours ago

    San Antonio (SAT)to

    Denver (DEN)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 3 hours ago

    San Antonio (SAT)to

    Denver (DEN)
    09/09/26 - 09/16/26

    Round trip

    Economy

    from
    $299Fare subject to changes
    Updated: 3 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 San Antonio to Denver

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