American Airlines flights from San Antonio to St. Thomas

Recent searches for flights from San Antonio to St. Thomas

Aug 2026
From$390*
Updated: 2 hours ago
Round tripIEconomy
Sep 2026
From$341*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$280*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $390
cmp-daily-histogram-bars-legend-max-price-aria-label $2.5K
Displaying fares for August-2026
  • SAT–STT, 08/06/26 – 08/13/26: From $1,988
    06

    Th

    AUG

  • SAT–STT, 08/07/26 – 08/14/26: From $2,494
    07

    Fr

  • SAT–STT, 08/08/26 – 08/15/26: From $2,203
    08

    Sa

  • SAT–STT, 08/09/26 – 08/16/26: From $1,670
    09

    Su

  • SAT–STT, 08/10/26 – 08/17/26: From $1,670
    10

    Mo

  • SAT–STT, 08/11/26 – 08/18/26: From $1,621
    11

    Tu

  • SAT–STT, 08/12/26 – 08/19/26: From $1,411
    12

    We

  • SAT–STT, 08/13/26 – 08/20/26: From $844
    13

    Th

  • SAT–STT, 08/14/26 – 08/21/26: From $955
    14

    Fr

  • SAT–STT, 08/15/26 – 08/22/26: From $1,096
    15

    Sa

  • SAT–STT, 08/16/26 – 08/23/26: From $955
    16

    Su

  • SAT–STT, 08/17/26 – 08/24/26: From $1,277
    17

    Mo

  • SAT–STT, 08/18/26 – 08/25/26: From $1,541
    18

    Tu

  • SAT–STT, 08/19/26 – 08/26/26: From $1,288
    19

    We

  • SAT–STT, 08/20/26 – 08/27/26: From $783
    20

    Th

  • SAT–STT, 08/21/26 – 08/28/26: From $894
    21

    Fr

  • SAT–STT, 08/22/26 – 08/29/26: From $783
    22

    Sa

  • SAT–STT, 08/23/26 – 08/30/26: From $783
    23

    Su

  • SAT–STT, 08/24/26 – 08/31/26: From $930
    24

    Mo

  • SAT–STT, 08/25/26 – 09/01/26: From $600
    25

    Tu

  • SAT–STT, 08/26/26 – 09/02/26: From $540
    26

    We

  • SAT–STT, 08/27/26 – 09/03/26: From $390
    27

    Th

  • SAT–STT, 08/28/26 – 09/04/26: From $390
    28

    Fr

  • SAT–STT, 08/29/26 – 09/05/26: From $390
    29

    Sa

  • SAT–STT, 08/30/26 – 09/06/26: From $564
    30

    Su

  • SAT–STT, 08/31/26 – 09/07/26: From $783
    31

    Mo

  • SAT–STT, 09/01/26 – 10/05/26: From $450
    01

    Tu

    SEP

  • SAT–STT, 09/02/26 – 09/09/26: From $934
    02

    We

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

    Th

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

    Fr

  • SAT–STT, 09/05/26 – 09/12/26: From $650
    05

    Sa

    • range$390-$2,494

    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 St. Thomas flights

    $
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    San Antonio (SAT)to

    St. Thomas (STT)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $280Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    St. Thomas (STT)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $280Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    St. Thomas (STT)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $280Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    St. Thomas (STT)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $280Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    St. Thomas (STT)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $280Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    St. Thomas (STT)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $280Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    St. Thomas (STT)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 2 hours ago

    San Antonio (SAT)to

    St. Thomas (STT)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 2 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 St. Thomas

    Looking for lower fares on your trip from San Antonio to St. Thomas? 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 St. Thomas