American Airlines flights from Wilmington to Saint Louis

Recent searches for flights from Wilmington to Saint Louis

Aug 2026
From$365*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$251*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$251*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $251
cmp-daily-histogram-bars-legend-max-price-aria-label $597
Displaying fares for August-2026
  • ILM–STL, 08/24/26 – 08/31/26: From $541
    24

    Mo

    AUG

  • ILM–STL, 08/25/26 – 09/01/26: From $365
    25

    Tu

  • ILM–STL, 08/26/26 – 09/02/26: From $365
    26

    We

  • ILM–STL, 08/27/26 – 09/03/26: From $541
    27

    Th

  • ILM–STL, 08/28/26 – 09/04/26: From $541
    28

    Fr

  • ILM–STL, 08/29/26 – 09/05/26: From $365
    29

    Sa

  • ILM–STL, 08/30/26 – 09/06/26: From $541
    30

    Su

  • ILM–STL, 08/31/26 – 09/07/26: From $539
    31

    Mo

  • ILM–STL, 09/01/26 – 09/08/26: From $365
    01

    Tu

    SEP

  • ILM–STL, 09/02/26 – 09/09/26: From $365
    02

    We

  • ILM–STL, 09/03/26 – 09/10/26: From $539
    03

    Th

  • ILM–STL, 09/04/26 – 09/11/26: From $539
    04

    Fr

  • ILM–STL, 09/05/26 – 09/12/26: From $308
    05

    Sa

  • ILM–STL, 09/06/26 – 09/13/26: From $394
    06

    Su

  • ILM–STL, 09/07/26 – 09/14/26: From $597
    07

    Mo

  • ILM–STL, 09/08/26 – 09/15/26: From $365
    08

    Tu

  • ILM–STL, 09/09/26 – 09/16/26: From $308
    09

    We

  • ILM–STL, 09/10/26 – 09/17/26: From $364
    10

    Th

  • ILM–STL, 09/11/26 – 09/18/26: From $364
    11

    Fr

  • ILM–STL, 09/12/26 – 09/19/26: From $308
    12

    Sa

  • ILM–STL, 09/13/26 – 09/20/26: From $507
    13

    Su

  • ILM–STL, 09/14/26 – 09/28/26: From $385
    14

    Mo

  • ILM–STL, 09/15/26 – 09/22/26: From $365
    15

    Tu

  • ILM–STL, 09/16/26 – 09/23/26: From $308
    16

    We

  • ILM–STL, 09/17/26 – 09/24/26: From $441
    17

    Th

  • ILM–STL, 09/18/26 – 09/25/26: From $441
    18

    Fr

  • ILM–STL, 09/19/26 – 09/26/26: From $308
    19

    Sa

  • ILM–STL, 09/20/26 – 09/27/26: From $441
    20

    Su

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

    Mo

  • ILM–STL: cmp-view-offers-disclaimer. Find Offers
    22

    Tu

  • ILM–STL, 09/23/26 – 09/30/26: From $251
    23

    We

    • range$251-$597

    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 Wilmington to Saint Louis flights

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    Wilmington (ILM)to

    Saint Louis (STL)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $251Fare subject to changes
    Updated: 5 hours ago

    Wilmington (ILM)to

    Saint Louis (STL)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $251Fare subject to changes
    Updated: 5 hours ago

    Wilmington (ILM)to

    Saint Louis (STL)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $251Fare subject to changes
    Updated: 15 hours ago

    Wilmington (ILM)to

    Saint Louis (STL)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $251Fare subject to changes
    Updated: 5 hours ago

    Wilmington (ILM)to

    Saint Louis (STL)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $251Fare subject to changes
    Updated: 5 hours ago

    Wilmington (ILM)to

    Saint Louis (STL)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $251Fare subject to changes
    Updated: 5 hours ago

    Wilmington (ILM)to

    Saint Louis (STL)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $251Fare subject to changes
    Updated: 5 hours ago

    Wilmington (ILM)to

    Saint Louis (STL)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $251Fare 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 Wilmington to Saint Louis

    Looking for lower fares on your trip from Wilmington 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 Wilmington to Saint Louis