American Airlines flights from Saint Louis to Milwaukee

Recent searches for flights from Saint Louis to Milwaukee

Aug 2026
From$391*
Updated: 1 hour ago
Round tripIEconomy
Sep 2026
From$285*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$285*
Updated: 1 hour ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $285
cmp-daily-histogram-bars-legend-max-price-aria-label $566
Displaying fares for August-2026
  • STL–MKE, 08/20/26 – 08/27/26: From $391
    20

    Th

    AUG

  • STL–MKE, 08/21/26 – 08/28/26: From $566
    21

    Fr

  • STL–MKE, 08/22/26 – 08/29/26: From $391
    22

    Sa

  • STL–MKE, 08/23/26 – 08/30/26: From $513
    23

    Su

  • STL–MKE, 08/24/26 – 08/31/26: From $510
    24

    Mo

  • STL–MKE, 08/25/26 – 09/01/26: From $391
    25

    Tu

  • STL–MKE, 08/26/26 – 09/02/26: From $391
    26

    We

  • STL–MKE, 08/27/26 – 09/03/26: From $447
    27

    Th

  • STL–MKE, 08/28/26 – 09/04/26: From $447
    28

    Fr

  • STL–MKE, 08/29/26 – 09/05/26: From $391
    29

    Sa

  • STL–MKE, 08/30/26 – 09/06/26: From $401
    30

    Su

  • STL–MKE, 08/31/26 – 09/07/26: From $391
    31

    Mo

  • STL–MKE, 09/01/26 – 09/08/26: From $391
    01

    Tu

    SEP

  • STL–MKE, 09/02/26 – 09/09/26: From $391
    02

    We

  • STL–MKE, 09/03/26 – 09/10/26: From $310
    03

    Th

  • STL–MKE, 09/04/26 – 09/11/26: From $363
    04

    Fr

  • STL–MKE, 09/05/26 – 09/12/26: From $310
    05

    Sa

  • STL–MKE, 09/06/26 – 09/13/26: From $335
    06

    Su

  • STL–MKE, 09/07/26 – 09/14/26: From $310
    07

    Mo

  • STL–MKE, 09/08/26 – 09/15/26: From $310
    08

    Tu

  • STL–MKE, 09/09/26 – 09/16/26: From $310
    09

    We

  • STL–MKE, 09/10/26 – 09/17/26: From $286
    10

    Th

  • STL–MKE, 09/11/26 – 09/18/26: From $287
    11

    Fr

  • STL–MKE, 09/12/26 – 09/19/26: From $286
    12

    Sa

  • STL–MKE, 09/13/26 – 09/20/26: From $335
    13

    Su

  • STL–MKE, 09/14/26 – 09/21/26: From $285
    14

    Mo

  • STL–MKE, 09/15/26 – 09/22/26: From $286
    15

    Tu

  • STL–MKE, 09/16/26 – 09/23/26: From $286
    16

    We

  • STL–MKE: cmp-view-offers-disclaimer. Find Offers
    17

    Th

  • STL–MKE: cmp-view-offers-disclaimer. Find Offers
    18

    Fr

  • STL–MKE, 09/19/26 – 09/26/26: From $286
    19

    Sa

    • range$285-$566

    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 Milwaukee flights

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    Saint Louis (STL)to

    Milwaukee (MKE)
    11/09/26 - 11/16/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Milwaukee (MKE)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Milwaukee (MKE)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Milwaukee (MKE)
    09/14/26 - 09/21/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Milwaukee (MKE)
    11/12/26 - 11/19/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Milwaukee (MKE)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 16 hours ago

    Saint Louis (STL)to

    Milwaukee (MKE)
    09/21/26 - 09/28/26

    Round trip

    Economy

    from
    $285Fare subject to changes
    Updated: 1 hour ago

    Saint Louis (STL)to

    Milwaukee (MKE)
    09/28/26 - 10/05/26

    Round trip

    Economy

    from
    $285Fare 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 Milwaukee

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