American Airlines flights from Saint Louis to Killeen

Recent searches for flights from Saint Louis to Killeen

Aug 2026
From$299*
Updated: 1 hour ago
Round tripIEconomy
Sep 2026
From$279*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$279*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $289
cmp-daily-histogram-bars-legend-max-price-aria-label $604
Displaying fares for August-2026
  • STL–GRK, 08/08/26 – 08/15/26: From $521
    08

    Sa

    AUG

  • STL–GRK, 08/09/26 – 08/16/26: From $604
    09

    Su

  • STL–GRK, 08/10/26 – 08/17/26: From $604
    10

    Mo

  • STL–GRK, 08/11/26 – 08/18/26: From $521
    11

    Tu

  • STL–GRK, 08/12/26 – 08/19/26: From $521
    12

    We

  • STL–GRK, 08/13/26 – 08/20/26: From $604
    13

    Th

  • STL–GRK, 08/14/26 – 08/21/26: From $604
    14

    Fr

  • STL–GRK, 08/15/26 – 08/22/26: From $444
    15

    Sa

  • STL–GRK, 08/16/26 – 08/23/26: From $513
    16

    Su

  • STL–GRK, 08/17/26 – 08/24/26: From $513
    17

    Mo

  • STL–GRK, 08/18/26 – 08/25/26: From $444
    18

    Tu

  • STL–GRK, 08/19/26 – 08/26/26: From $444
    19

    We

  • STL–GRK, 08/20/26 – 08/27/26: From $513
    20

    Th

  • STL–GRK, 08/21/26 – 08/28/26: From $513
    21

    Fr

  • STL–GRK, 08/22/26 – 08/29/26: From $333
    22

    Sa

  • STL–GRK, 08/23/26 – 08/30/26: From $333
    23

    Su

  • STL–GRK, 08/24/26 – 08/31/26: From $333
    24

    Mo

  • STL–GRK, 08/25/26 – 09/01/26: From $333
    25

    Tu

  • STL–GRK, 08/26/26 – 09/02/26: From $333
    26

    We

  • STL–GRK, 08/27/26 – 09/03/26: From $333
    27

    Th

  • STL–GRK, 08/28/26 – 09/04/26: From $543
    28

    Fr

  • STL–GRK, 08/29/26 – 09/05/26: From $299
    29

    Sa

  • STL–GRK, 08/30/26 – 09/06/26: From $299
    30

    Su

  • STL–GRK, 08/31/26 – 09/07/26: From $509
    31

    Mo

  • STL–GRK, 09/01/26 – 09/08/26: From $289
    01

    Tu

    SEP

  • STL–GRK, 09/02/26 – 09/09/26: From $289
    02

    We

  • STL–GRK, 09/03/26 – 09/10/26: From $299
    03

    Th

  • STL–GRK, 09/04/26 – 09/11/26: From $299
    04

    Fr

  • STL–GRK: cmp-view-offers-disclaimer. Find Offers
    05

    Sa

  • STL–GRK: cmp-view-offers-disclaimer. Find Offers
    06

    Su

  • STL–GRK, 09/07/26 – 09/14/26: From $299
    07

    Mo

    • range$289-$604

    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 Killeen flights

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    Saint Louis (STL)to

    Killeen (GRK)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 19 hours ago

    Saint Louis (STL)to

    Killeen (GRK)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Killeen (GRK)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Killeen (GRK)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Killeen (GRK)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Killeen (GRK)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Killeen (GRK)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Killeen (GRK)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $279Fare subject to changes
    Updated: 1 hour 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 Killeen

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