American Airlines flights from Saint Louis to Mcallen

Recent searches for flights from Saint Louis to Mcallen

Sep 2026
From$325*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$321*
Updated: 2 hours ago
Round tripIEconomy
Nov 2026
From$321*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $325
cmp-daily-histogram-bars-legend-max-price-aria-label $587
Displaying fares for September-2026
  • STL–MFE, 09/02/26 – 09/09/26: From $433
    02

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    SEP

  • STL–MFE, 09/03/26 – 09/10/26: From $587
    03

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  • STL–MFE, 09/04/26 – 09/11/26: From $577
    04

    Fr

  • STL–MFE, 09/05/26 – 09/12/26: From $433
    05

    Sa

  • STL–MFE, 09/06/26 – 09/13/26: From $479
    06

    Su

  • STL–MFE, 09/07/26 – 09/12/26: From $461
    07

    Mo

  • STL–MFE, 09/08/26 – 09/15/26: From $433
    08

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  • STL–MFE, 09/09/26 – 09/16/26: From $350
    09

    We

  • STL–MFE, 09/10/26 – 09/17/26: From $350
    10

    Th

  • STL–MFE, 09/11/26 – 09/18/26: From $405
    11

    Fr

  • STL–MFE, 09/12/26 – 09/19/26: From $350
    12

    Sa

  • STL–MFE, 09/13/26 – 09/20/26: From $424
    13

    Su

  • STL–MFE, 09/14/26 – 09/21/26: From $424
    14

    Mo

  • STL–MFE, 09/15/26 – 09/22/26: From $406
    15

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  • STL–MFE, 09/16/26 – 09/23/26: From $354
    16

    We

  • STL–MFE, 09/17/26 – 09/24/26: From $434
    17

    Th

  • STL–MFE, 09/18/26 – 09/25/26: From $434
    18

    Fr

  • STL–MFE, 09/19/26 – 09/26/26: From $354
    19

    Sa

  • STL–MFE, 09/20/26 – 09/27/26: From $434
    20

    Su

  • STL–MFE, 09/21/26 – 09/28/26: From $434
    21

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  • STL–MFE, 09/22/26 – 09/29/26: From $354
    22

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  • STL–MFE, 09/23/26 – 09/30/26: From $329
    23

    We

  • STL–MFE, 09/24/26 – 10/01/26: From $329
    24

    Th

  • STL–MFE, 09/25/26 – 10/02/26: From $329
    25

    Fr

  • STL–MFE, 09/26/26 – 10/03/26: From $325
    26

    Sa

  • STL–MFE, 09/27/26 – 10/04/26: From $401
    27

    Su

  • STL–MFE, 09/28/26 – 10/05/26: From $329
    28

    Mo

  • STL–MFE, 09/29/26 – 10/06/26: From $325
    29

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  • STL–MFE: cmp-view-offers-disclaimer. Find Offers
    30

    We

  • STL–MFE: cmp-view-offers-disclaimer. Find Offers
    01

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    OCT

    • range$325-$587

    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 Mcallen flights

    $
    keyboard_arrow_down

    Saint Louis (STL)to

    Mcallen (MFE)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 2 hours ago

    Saint Louis (STL)to

    Mcallen (MFE)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 2 hours ago

    Saint Louis (STL)to

    Mcallen (MFE)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 2 hours ago

    Saint Louis (STL)to

    Mcallen (MFE)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 2 hours ago

    Saint Louis (STL)to

    Mcallen (MFE)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 2 hours ago

    Saint Louis (STL)to

    Mcallen (MFE)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 2 hours ago

    Saint Louis (STL)to

    Mcallen (MFE)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 2 hours ago

    Saint Louis (STL)to

    Mcallen (MFE)
    11/25/26 - 12/02/26

    Round trip

    Economy

    from
    $321Fare 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 Saint Louis to Mcallen

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