American Airlines flights from La Crosse to Saint Louis

Recent searches for flights from La Crosse to Saint Louis

Aug 2026
From$508*
Updated: 1 hour ago
Round tripIEconomy
Sep 2026
From$364*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$364*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $364
cmp-daily-histogram-bars-legend-max-price-aria-label $780
Displaying fares for August-2026
  • LSE–STL: cmp-view-offers-disclaimer. Find Offers
    27

    Th

    AUG

  • LSE–STL, 08/28/26 – 09/04/26: From $735
    28

    Fr

  • LSE–STL, 08/29/26 – 09/05/26: From $508
    29

    Sa

  • LSE–STL, 08/30/26 – 09/06/26: From $610
    30

    Su

  • LSE–STL, 08/31/26 – 09/07/26: From $676
    31

    Mo

  • LSE–STL, 09/01/26 – 09/08/26: From $546
    01

    Tu

    SEP

  • LSE–STL, 09/02/26 – 09/09/26: From $508
    02

    We

  • LSE–STL, 09/03/26 – 09/10/26: From $610
    03

    Th

  • LSE–STL, 09/04/26 – 09/11/26: From $610
    04

    Fr

  • LSE–STL, 09/05/26 – 09/12/26: From $463
    05

    Sa

  • LSE–STL, 09/06/26 – 09/13/26: From $514
    06

    Su

  • LSE–STL, 09/07/26 – 09/14/26: From $780
    07

    Mo

  • LSE–STL, 09/08/26 – 09/15/26: From $546
    08

    Tu

  • LSE–STL, 09/09/26 – 09/16/26: From $463
    09

    We

  • LSE–STL, 09/10/26 – 09/17/26: From $505
    10

    Th

  • LSE–STL, 09/11/26 – 09/18/26: From $540
    11

    Fr

  • LSE–STL, 09/12/26 – 09/19/26: From $463
    12

    Sa

  • LSE–STL, 09/13/26 – 09/20/26: From $670
    13

    Su

  • LSE–STL, 09/14/26 – 09/21/26: From $555
    14

    Mo

  • LSE–STL, 09/15/26 – 09/22/26: From $508
    15

    Tu

  • LSE–STL, 09/16/26 – 09/23/26: From $379
    16

    We

  • LSE–STL, 09/17/26 – 09/24/26: From $478
    17

    Th

  • LSE–STL, 09/18/26 – 09/25/26: From $381
    18

    Fr

  • LSE–STL, 09/19/26 – 09/26/26: From $364
    19

    Sa

  • LSE–STL, 09/20/26 – 09/27/26: From $489
    20

    Su

  • LSE–STL, 09/21/26 – 09/28/26: From $364
    21

    Mo

  • LSE–STL, 09/22/26 – 09/29/26: From $364
    22

    Tu

  • LSE–STL, 09/23/26 – 09/30/26: From $364
    23

    We

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

    Th

  • LSE–STL: cmp-view-offers-disclaimer. Find Offers
    25

    Fr

  • LSE–STL: cmp-view-offers-disclaimer. Find Offers
    26

    Sa

    • range$364-$780

    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)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $364Fare subject to changes
    Updated: 1 hour ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $364Fare subject to changes
    Updated: 1 hour ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $364Fare subject to changes
    Updated: 1 hour ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $364Fare subject to changes
    Updated: 1 hour ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $364Fare subject to changes
    Updated: 1 hour ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $364Fare subject to changes
    Updated: 1 hour ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $364Fare subject to changes
    Updated: 1 hour ago

    La Crosse (LSE)to

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

    Round trip

    Economy

    from
    $364Fare 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 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