American Airlines flights from Saint Louis to St. Thomas

Recent searches for flights from Saint Louis to St. Thomas

Aug 2026
From$643*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$463*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$296*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $643
cmp-daily-histogram-bars-legend-max-price-aria-label $1.8K
Displaying fares for August-2026
  • STL–STT, 08/23/26 – 08/30/26: From $1,053
    23

    Su

    AUG

  • STL–STT, 08/24/26 – 08/31/26: From $1,053
    24

    Mo

  • STL–STT, 08/25/26 – 09/01/26: From $1,355
    25

    Tu

  • STL–STT, 08/26/26 – 09/02/26: From $1,158
    26

    We

  • STL–STT, 08/27/26 – 09/03/26: From $643
    27

    Th

  • STL–STT, 08/28/26 – 09/04/26: From $643
    28

    Fr

  • STL–STT, 08/29/26 – 09/05/26: From $643
    29

    Sa

  • STL–STT, 08/30/26 – 09/06/26: From $643
    30

    Su

  • STL–STT, 08/31/26 – 09/07/26: From $1,155
    31

    Mo

  • STL–STT, 09/01/26 – 09/08/26: From $1,220
    01

    Tu

    SEP

  • STL–STT, 09/02/26 – 09/09/26: From $1,215
    02

    We

  • STL–STT, 09/03/26 – 09/10/26: From $1,275
    03

    Th

  • STL–STT, 09/04/26 – 09/11/26: From $1,130
    04

    Fr

  • STL–STT, 09/05/26 – 09/12/26: From $1,140
    05

    Sa

  • STL–STT, 09/06/26 – 09/13/26: From $1,768
    06

    Su

  • STL–STT, 09/07/26 – 09/14/26: From $1,060
    07

    Mo

  • STL–STT, 09/08/26 – 09/15/26: From $1,250
    08

    Tu

  • STL–STT, 09/09/26 – 09/16/26: From $1,360
    09

    We

  • STL–STT, 09/10/26 – 09/17/26: From $883
    10

    Th

  • STL–STT, 09/11/26 – 09/18/26: From $1,105
    11

    Fr

  • STL–STT, 09/12/26 – 09/19/26: From $736
    12

    Sa

  • STL–STT, 09/13/26 – 09/20/26: From $1,480
    13

    Su

  • STL–STT, 09/14/26 – 09/21/26: From $935
    14

    Mo

  • STL–STT, 09/15/26 – 09/22/26: From $883
    15

    Tu

  • STL–STT, 09/16/26 – 09/23/26: From $738
    16

    We

  • STL–STT, 09/17/26 – 09/24/26: From $803
    17

    Th

  • STL–STT, 09/18/26 – 09/25/26: From $785
    18

    Fr

  • STL–STT, 09/19/26 – 09/26/26: From $883
    19

    Sa

  • STL–STT: cmp-view-offers-disclaimer. Find Offers
    20

    Su

  • STL–STT: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • STL–STT, 09/22/26 – 09/29/26: From $680
    22

    Tu

    • range$643-$1,768

    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 Saint Louis to St. Thomas flights

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    Saint Louis (STL)to

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

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    10/12/26 - 10/19/26

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

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

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    10/16/26 - 10/23/26

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

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

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 3 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $296Fare subject to changes
    Updated: 23 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 Saint Louis to St. Thomas

    Looking for lower fares on your trip from Saint Louis 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 Saint Louis to St. Thomas