American Airlines flights from Saint Louis to St. Thomas

Recent searches for flights from Saint Louis to St. Thomas

Sep 2026
From$563*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$500*
Updated: 8 hours ago
Round tripIEconomy
Nov 2026
From$500*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $563
cmp-daily-histogram-bars-legend-max-price-aria-label $3.8K
Displaying fares for September-2026
  • STL–STT: cmp-view-offers-disclaimer. Find Offers
    13

    Su

    SEP

  • STL–STT, 09/14/26 – 09/21/26: From $2,708
    14

    Mo

  • STL–STT, 09/15/26 – 09/22/26: From $2,413
    15

    Tu

  • STL–STT, 09/16/26 – 09/23/26: From $2,355
    16

    We

  • STL–STT, 09/17/26 – 09/24/26: From $2,351
    17

    Th

  • STL–STT, 09/18/26 – 09/25/26: From $1,898
    18

    Fr

  • STL–STT, 09/19/26 – 09/26/26: From $828
    19

    Sa

  • STL–STT, 09/20/26 – 09/27/26: From $2,615
    20

    Su

  • STL–STT, 09/21/26 – 09/28/26: From $1,979
    21

    Mo

  • STL–STT, 09/22/26 – 09/29/26: From $847
    22

    Tu

  • STL–STT, 09/23/26 – 09/30/26: From $1,288
    23

    We

  • STL–STT, 09/24/26 – 10/01/26: From $786
    24

    Th

  • STL–STT, 09/25/26 – 10/02/26: From $3,797
    25

    Fr

  • STL–STT, 09/26/26 – 10/03/26: From $756
    26

    Sa

  • STL–STT, 09/27/26 – 10/04/26: From $819
    27

    Su

  • STL–STT, 09/28/26 – 10/05/26: From $686
    28

    Mo

  • STL–STT, 09/29/26 – 10/06/26: From $563
    29

    Tu

  • STL–STT, 09/30/26 – 10/07/26: From $691
    30

    We

  • STL–STT, 10/01/26 – 10/08/26: From $831
    01

    Th

    OCT

  • STL–STT, 10/02/26 – 10/09/26: From $675
    02

    Fr

  • STL–STT, 10/03/26 – 10/10/26: From $660
    03

    Sa

  • STL–STT, 10/04/26 – 10/11/26: From $687
    04

    Su

  • STL–STT, 10/05/26 – 10/12/26: From $563
    05

    Mo

  • STL–STT, 10/06/26 – 10/13/26: From $573
    06

    Tu

  • STL–STT, 10/07/26 – 10/14/26: From $720
    07

    We

  • STL–STT, 10/08/26 – 10/15/26: From $626
    08

    Th

  • STL–STT, 10/09/26 – 10/16/26: From $706
    09

    Fr

  • STL–STT, 10/10/26 – 10/17/26: From $670
    10

    Sa

  • STL–STT: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • STL–STT: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

    • range$563-$3,797

    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

    $
    keyboard_arrow_down

    Saint Louis (STL)to

    St. Thomas (STT)
    11/14/26 - 11/21/26

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    11/27/26 - 12/04/26

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    11/05/26 - 11/12/26

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    12/04/26 - 12/11/26

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    11/13/26 - 11/20/26

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 hours ago

    Saint Louis (STL)to

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

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 hours ago

    Saint Louis (STL)to

    St. Thomas (STT)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $500Fare subject to changes
    Updated: 8 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

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    American Airlines flights from Saint Louis to St. Thomas