Southwest® flights from Milwaukee to Austin from $149

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Low fares from Milwaukee to Austin

$

Milwaukee (MKE)to

Austin (AUS)
Depart: 12/17/2026

One-way

Basic

From
$149
Seen: 7 hrs ago

Milwaukee (MKE)to

Austin (AUS)
Depart: 10/05/2026

One-way

Basic

From
$149
Seen: 21 hrs ago

Milwaukee (MKE)to

Austin (AUS)
Depart: 11/09/2026

One-way

Basic

From
$149
Seen: 10 hrs ago

Milwaukee (MKE)to

Austin (AUS)
Depart: 10/01/2026

One-way

Basic

From
$159
Seen: 23 hrs ago

Milwaukee (MKE)to

Austin (AUS)
Depart: 12/08/2026

One-way

Basic

From
$159
Seen: 21 hrs ago

Milwaukee (MKE)to

Austin (AUS)
Depart: 11/12/2026

One-way

Basic

From
$159
Seen: 10 hrs ago

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Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

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Explore flights from Milwaukee to Austin

Sep 2026
From$159*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$149*
Seen: 21 hrs ago
One Way/Basic
Nov 2026
From$149*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $313
Displaying fares for September-2026
  • MKE–AUS, 09/10/2026: From $313
    10

    Thu

    SEP

  • MKE–AUS, 09/11/2026: From $313
    11

    Fri

  • MKE–AUS: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • MKE–AUS, 09/13/2026: From $260
    13

    Sun

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

    Mon

  • MKE–AUS, 09/15/2026: From $239
    15

    Tue

  • MKE–AUS, 09/16/2026: From $239
    16

    Wed

  • MKE–AUS, 09/17/2026: From $254
    17

    Thu

  • MKE–AUS, 09/18/2026: From $239
    18

    Fri

  • MKE–AUS: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • MKE–AUS, 09/20/2026: From $249
    20

    Sun

  • MKE–AUS: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • MKE–AUS, 09/22/2026: From $239
    22

    Tue

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

    Wed

  • MKE–AUS, 09/24/2026: From $186
    24

    Thu

  • MKE–AUS, 09/25/2026: From $229
    25

    Fri

  • MKE–AUS, 09/26/2026: From $186
    26

    Sat

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

    Sun

  • MKE–AUS, 09/28/2026: From $186
    28

    Mon

  • MKE–AUS, 09/29/2026: From $186
    29

    Tue

  • MKE–AUS, 09/30/2026: From $159
    30

    Wed

  • MKE–AUS, 10/01/2026: From $159
    01

    Thu

    OCT

  • MKE–AUS, 10/02/2026: From $164
    02

    Fri

  • MKE–AUS, 10/03/2026: From $159
    03

    Sat

  • MKE–AUS, 10/04/2026: From $189
    04

    Sun

  • MKE–AUS, 10/05/2026: From $149
    05

    Mon

  • MKE–AUS, 10/06/2026: From $159
    06

    Tue

  • MKE–AUS: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

  • MKE–AUS, 10/08/2026: From $159
    08

    Thu

  • MKE–AUS, 10/09/2026: From $159
    09

    Fri

    • Range$149-$313

    *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:
    Austin-Bergstrom International Airport
    Average flight time:
    2 hours 44 minutes
    Distance:
    1032 miles

    Route Information

    153† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Milwaukee to Austin is 2 hours 44 minutes.
    There are 153 weekly flights from Milwaukee to Austin on Southwest Airlines.
    Yes, Southwest flies nonstop from Milwaukee to Austin once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Milwaukee to Austin once per day on Sundays.
    To find the lowest fares by day and time to fly Milwaukee to Austin with Southwest, check out our Low Fare Calendar.
    You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
    Yes! Flights from Milwaukee to Austin—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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