American Airlines flights from La Crosse to Saint Louis

Recent searches for flights from La Crosse to Saint Louis

Aug 2026
From$361*
Updated: 9 minutes ago
Round tripIEconomy
Sep 2026
From$344*
Updated: 18 hours ago
Round tripIEconomy
Oct 2026
From$361*
Updated: 9 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $344
cmp-daily-histogram-bars-legend-max-price-aria-label $936
Displaying fares for August-2026
  • LSE–STL: cmp-view-offers-disclaimer. Find Offers
    05

    We

    AUG

  • LSE–STL, 08/06/26 – 08/13/26: From $876
    06

    Th

  • LSE–STL, 08/07/26 – 08/14/26: From $850
    07

    Fr

  • LSE–STL, 08/08/26 – 08/15/26: From $838
    08

    Sa

  • LSE–STL, 08/09/26 – 08/16/26: From $610
    09

    Su

  • LSE–STL, 08/10/26 – 08/17/26: From $936
    10

    Mo

  • LSE–STL, 08/11/26 – 08/18/26: From $777
    11

    Tu

  • LSE–STL, 08/12/26 – 08/19/26: From $508
    12

    We

  • LSE–STL, 08/13/26 – 08/20/26: From $610
    13

    Th

  • LSE–STL, 08/14/26 – 08/21/26: From $676
    14

    Fr

  • LSE–STL, 08/15/26 – 08/22/26: From $508
    15

    Sa

  • LSE–STL, 08/16/26 – 08/23/26: From $610
    16

    Su

  • LSE–STL, 08/17/26 – 08/24/26: From $676
    17

    Mo

  • LSE–STL, 08/18/26 – 08/25/26: From $508
    18

    Tu

  • LSE–STL, 08/19/26 – 08/26/26: From $542
    19

    We

  • LSE–STL, 08/20/26 – 08/27/26: From $542
    20

    Th

  • LSE–STL, 08/21/26 – 08/28/26: From $591
    21

    Fr

  • LSE–STL, 08/22/26 – 08/29/26: From $508
    22

    Sa

  • LSE–STL, 08/23/26 – 08/30/26: From $610
    23

    Su

  • LSE–STL, 08/24/26 – 08/31/26: From $542
    24

    Mo

  • LSE–STL, 08/25/26 – 09/01/26: From $393
    25

    Tu

  • LSE–STL, 08/26/26 – 09/02/26: From $378
    26

    We

  • LSE–STL, 08/27/26 – 09/03/26: From $378
    27

    Th

  • LSE–STL, 08/28/26 – 09/04/26: From $427
    28

    Fr

  • LSE–STL, 08/29/26 – 09/05/26: From $361
    29

    Sa

  • LSE–STL, 08/30/26 – 09/06/26: From $361
    30

    Su

  • LSE–STL, 08/31/26 – 09/07/26: From $378
    31

    Mo

  • LSE–STL, 09/01/26 – 09/08/26: From $378
    01

    Tu

    SEP

  • LSE–STL: cmp-view-offers-disclaimer. Find Offers
    02

    We

  • LSE–STL: cmp-view-offers-disclaimer. Find Offers
    03

    Th

  • LSE–STL, 09/04/26 – 09/11/26: From $344
    04

    Fr

    • range$344-$936

    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 La Crosse to Saint Louis flights

    $
    keyboard_arrow_down

    La Crosse (LSE)to

    Saint Louis (STL)
    08/30/26 - 09/06/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 9 minutes ago

    La Crosse (LSE)to

    Saint Louis (STL)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 9 minutes ago

    La Crosse (LSE)to

    Saint Louis (STL)
    09/10/26 - 09/17/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 9 minutes ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 9 minutes ago

    La Crosse (LSE)to

    Saint Louis (STL)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 9 minutes ago

    La Crosse (LSE)to

    Saint Louis (STL)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $361Fare subject to changes
    Updated: 9 minutes ago

    La Crosse (LSE)to

    Saint Louis (STL)
    10/05/26 - 10/12/26

    Round trip

    Economy

    from
    $378Fare subject to changes
    Updated: 9 minutes ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $378Fare subject to changes
    Updated: 9 minutes 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 La Crosse to Saint Louis

    Looking for lower fares on your trip from La Crosse 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 La Crosse to Saint Louis