Southwest® flights from Milwaukee to St. Louis from $160

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Low fares from Milwaukee to St. Louis

$

Milwaukee (MKE)to

St. Louis (STL)
Depart: 01/23/2027

One-way

Basic

From
$160
Seen: 23 hrs ago

Milwaukee (MKE)to

St. Louis (STL)
Depart: 12/15/2026

One-way

Basic

From
$160
Seen: 11 hrs ago

Milwaukee (MKE)to

St. Louis (STL)
Depart: 12/08/2026

One-way

Basic

From
$160
Seen: 7 hrs ago

Milwaukee (MKE)to

St. Louis (STL)
Depart: 12/09/2026

One-way

Basic

From
$160
Seen: 3 hrs ago

Milwaukee (MKE)to

St. Louis (STL)
Depart: 01/19/2027

One-way

Basic

From
$160
Seen: 12 hrs ago

Milwaukee (MKE)to

St. Louis (STL)
Depart: 12/16/2026

One-way

Basic

From
$160
Seen: 16 hrs ago

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Explore flights from Milwaukee to St. Louis

Nov 2026
From$203*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$160*
Seen: 16 hrs ago
One Way/Basic
Jan 2027
From$160*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $160
cmp-daily-histogram-bars-legend-max-price-aria-label $396
Displaying fares for November-2026
  • MKE–STL, 11/10/2026: From $396
    10

    Tue

    NOV

  • MKE–STL, 11/11/2026: From $396
    11

    Wed

  • MKE–STL, 11/12/2026: From $269
    12

    Thu

  • MKE–STL, 11/13/2026: From $269
    13

    Fri

  • MKE–STL: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • MKE–STL, 11/15/2026: From $269
    15

    Sun

  • MKE–STL, 11/16/2026: From $269
    16

    Mon

  • MKE–STL, 11/17/2026: From $269
    17

    Tue

  • MKE–STL, 11/18/2026: From $269
    18

    Wed

  • MKE–STL, 11/19/2026: From $269
    19

    Thu

  • MKE–STL, 11/20/2026: From $269
    20

    Fri

  • MKE–STL, 11/21/2026: From $269
    21

    Sat

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

    Sun

  • MKE–STL: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

  • MKE–STL, 11/24/2026: From $203
    24

    Tue

  • MKE–STL, 11/25/2026: From $203
    25

    Wed

  • MKE–STL, 11/26/2026: From $203
    26

    Thu

  • MKE–STL: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • MKE–STL: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

  • MKE–STL, 11/29/2026: From $203
    29

    Sun

  • MKE–STL, 11/30/2026: From $203
    30

    Mon

  • MKE–STL, 12/01/2026: From $160
    01

    Tue

    DEC

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

    Wed

  • MKE–STL, 12/03/2026: From $175
    03

    Thu

  • MKE–STL, 12/04/2026: From $185
    04

    Fri

  • MKE–STL, 12/05/2026: From $160
    05

    Sat

  • MKE–STL, 12/06/2026: From $203
    06

    Sun

  • MKE–STL, 12/07/2026: From $175
    07

    Mon

  • MKE–STL, 12/08/2026: From $160
    08

    Tue

  • MKE–STL, 12/09/2026: From $160
    09

    Wed

    • Range$160-$396

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    General Mitchell Airport
    Arriving at:
    Lambert-St Louis Int'l Airport
    Average flight time:
    1 hour 19 minutes
    Distance:
    317 miles

    Questions we hear the most

    The average flight time from Milwaukee to St. Louis is 1 hour 19 minutes.
    There are 128 weekly flights from Milwaukee to St. Louis on Southwest Airlines.
    Yes, Southwest flies nonstop from Milwaukee to St. Louis 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Milwaukee to St. Louis once per day on Saturdays and 2 times per day on Sundays.
    To find the lowest fares by day and time to fly Milwaukee to St. Louis with Southwest, check out our Low Fare Calendar.
    You can rent a car at Lambert-St Louis Int'l Airport book yours with your flight.
    Yes! Flights from Milwaukee to St. Louis—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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