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Find low faresSouthwest® flights from Atlanta to Milwaukee from $120
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1 Passenger
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Low fares from Atlanta to Milwaukee
$
Atlanta (ATL)to
Milwaukee (MKE)
Depart: 03/11/2026
One-way
Basic
From
$120
Seen: 22 hrs ago
Atlanta (ATL)to
Milwaukee (MKE)
Depart: 04/15/2026
One-way
Basic
From
$128
Seen: 8 hrs ago
Atlanta (ATL)to
Milwaukee (MKE)
Depart: 04/13/2026
One-way
Basic
From
$128
Seen: 10 hrs ago
Atlanta (ATL)to
Milwaukee (MKE)
Depart: 04/07/2026
One-way
Basic
From
$128
Seen: 12 hrs ago
Atlanta (ATL)to
Milwaukee (MKE)
Depart: 04/14/2026
One-way
Basic
From
$128
Seen: 10 hrs ago
Atlanta (ATL)to
Milwaukee (MKE)
Depart: 03/23/2026
One-way
Basic
From
$144
Seen: 14 hrs ago
Explore flights from Atlanta to Milwaukee
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Flight Details
Departing from:
Hartsfield-Jackson Atlanta International Airport
Arriving at:
General Mitchell Airport
Distance:
669 miles
Route Information
148† Weekly flights
† 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
There are 148 weekly flights from Atlanta to Milwaukee on Southwest Airlines.
To find the lowest fares by day and time to fly Atlanta to Milwaukee with Southwest, check out our Low Fare Calendar.
You can rent a car at General Mitchell Airport book yours with your flight.
Yes! Flights from Atlanta to Milwaukee—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.