American Airlines flights from Atlanta to Saint Louis

Recent searches for flights from Atlanta to Saint Louis

Aug 2026
From$673*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$159*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$159*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $673
Displaying fares for August-2026
  • ATL–STL, 08/26/26 – 09/02/26: From $673
    26

    We

    AUG

  • ATL–STL, 08/27/26 – 09/03/26: From $673
    27

    Th

  • ATL–STL, 08/28/26 – 09/04/26: From $673
    28

    Fr

  • ATL–STL, 08/29/26 – 09/05/26: From $673
    29

    Sa

  • ATL–STL, 08/30/26 – 09/06/26: From $673
    30

    Su

  • ATL–STL, 08/31/26 – 09/07/26: From $673
    31

    Mo

  • ATL–STL, 09/01/26 – 09/08/26: From $673
    01

    Tu

    SEP

  • ATL–STL, 09/02/26 – 09/09/26: From $560
    02

    We

  • ATL–STL, 09/03/26 – 09/10/26: From $560
    03

    Th

  • ATL–STL, 09/04/26 – 09/11/26: From $560
    04

    Fr

  • ATL–STL, 09/05/26 – 09/12/26: From $560
    05

    Sa

  • ATL–STL, 09/06/26 – 09/13/26: From $532
    06

    Su

  • ATL–STL, 09/07/26 – 09/14/26: From $560
    07

    Mo

  • ATL–STL, 09/08/26 – 09/15/26: From $560
    08

    Tu

  • ATL–STL, 09/09/26 – 09/16/26: From $268
    09

    We

  • ATL–STL, 09/10/26 – 09/17/26: From $268
    10

    Th

  • ATL–STL, 09/11/26 – 09/18/26: From $337
    11

    Fr

  • ATL–STL, 09/12/26 – 09/19/26: From $268
    12

    Sa

  • ATL–STL, 09/13/26 – 09/15/26: From $258
    13

    Su

  • ATL–STL, 09/14/26 – 09/21/26: From $268
    14

    Mo

  • ATL–STL, 09/15/26 – 09/22/26: From $268
    15

    Tu

  • ATL–STL, 09/16/26 – 09/23/26: From $159
    16

    We

  • ATL–STL, 09/17/26 – 09/24/26: From $159
    17

    Th

  • ATL–STL, 09/18/26 – 09/25/26: From $193
    18

    Fr

  • ATL–STL, 09/19/26 – 09/26/26: From $159
    19

    Sa

  • ATL–STL, 09/20/26 – 09/27/26: From $399
    20

    Su

  • ATL–STL, 09/21/26 – 09/28/26: From $159
    21

    Mo

  • ATL–STL, 09/22/26 – 09/29/26: From $159
    22

    Tu

  • ATL–STL: cmp-view-offers-disclaimer. Find Offers
    23

    We

  • ATL–STL: cmp-view-offers-disclaimer. Find Offers
    24

    Th

  • ATL–STL, 09/25/26 – 10/02/26: From $193
    25

    Fr

    • range$159-$673

    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 Atlanta to Saint Louis flights

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    Atlanta (ATL)to

    Saint Louis (STL)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 hours ago

    Atlanta (ATL)to

    Saint Louis (STL)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 hours ago

    Atlanta (ATL)to

    Saint Louis (STL)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 hours ago

    Atlanta (ATL)to

    Saint Louis (STL)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 hours ago

    Atlanta (ATL)to

    Saint Louis (STL)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 hours ago

    Atlanta (ATL)to

    Saint Louis (STL)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 hours ago

    Atlanta (ATL)to

    Saint Louis (STL)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 hours ago

    Atlanta (ATL)to

    Saint Louis (STL)
    09/26/26 - 10/03/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 5 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 Atlanta to Saint Louis

    Looking for lower fares on your trip from Atlanta to Saint Louis? 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 Atlanta to Saint Louis