$99 Cheap Flights from Louisville (SDF) to Milwaukee (MKE)

View $99 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Louisville to Milwaukee (SDF-MKE)

Prices were available within the past 7 days and start at $99 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 23 - Tue, Sep 30
SDF
Louisville
MKE
Milwaukee
$197 Roundtrip, found 3 hours ago
$197
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 23 from Louisville to Milwaukee, returning Tue, Sep 30, priced at $197 found 3 hours ago
American Airlines
Fri, Sep 5 - Sat, Sep 6
SDF
Louisville
MKE
Milwaukee
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Sep 5 from Louisville to Milwaukee, returning Sat, Sep 6, priced at $207 found 2 days ago
United
Fri, Sep 5 - Sat, Sep 6
SDF
Louisville
MKE
Milwaukee
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 5 from Louisville to Milwaukee, returning Sat, Sep 6, priced at $207 found 2 days ago
American Airlines
Fri, Sep 5 - Sat, Sep 6
SDF
Louisville
MKE
Milwaukee
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Sep 5 from Louisville to Milwaukee, returning Sat, Sep 6, priced at $210 found 2 days ago
United
Wed, Sep 24 - Sat, Sep 27
SDF
Louisville
MKE
Milwaukee
$217 Roundtrip, found 3 hours ago
$217
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Sep 24 from Louisville to Milwaukee, returning Sat, Sep 27, priced at $217 found 3 hours ago
American Airlines
Wed, Sep 24 - Sat, Sep 27
SDF
Louisville
MKE
Milwaukee
$220 Roundtrip, found 3 hours ago
$220
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Sep 24 from Louisville to Milwaukee, returning Sat, Sep 27, priced at $220 found 3 hours ago
Spirit Airlines
Mon, Dec 8 - Wed, Dec 17
SDF
Louisville
MKE
Milwaukee
$221 Roundtrip, found 5 days ago
$221
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Mon, Dec 8 from Louisville to Milwaukee, returning Wed, Dec 17, priced at $221 found 5 days ago
Delta
Sat, Aug 30 - Wed, Sep 3
SDF
Louisville
MKE
Milwaukee
$225 Roundtrip, found 15 hours ago
$225
Roundtrip
found 15 hours ago
Select Delta flight, departing Sat, Aug 30 from Louisville to Milwaukee, returning Wed, Sep 3, priced at $225 found 15 hours ago
Delta
Tue, Sep 23 - Fri, Sep 26
SDF
Louisville
MKE
Milwaukee
$227 Roundtrip, found 3 hours ago
$227
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 23 from Louisville to Milwaukee, returning Fri, Sep 26, priced at $227 found 3 hours ago
Southwest Airlines
Wed, Nov 19 - Wed, Dec 3
SDF
Louisville
MKE
Milwaukee
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Nov 19 from Louisville to Milwaukee, returning Wed, Dec 3, priced at $244 found 6 days ago

Find the cheapest month to fly from Louisville (SDF) to Milwaukee (MKE)

April is typically the cheapest month to fly

From $158 - $542 per traveler.

Graph displaying average flight prices per month

Alternative airports near Milwaukee

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Mitchell Intl. MKE. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $317
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $317
Flights from Louisville (SDF) to Milwaukee (MKE)
Origin airport
Louisville Intl.
Destination airport
General Mitchell Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$196
Distance
347 mi

Louisville to Milwaukee Flights

The cheapest times to fly from Louisville to Milwaukee

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Milwaukee are during the month of September. You can find some of the cheapest flights from Louisville to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Milwaukee

Sunday is one of the best days to book for cheap flights from Louisville to Milwaukee: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Milwaukee

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Milwaukee flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Milwaukee airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE) cost?
Lock in a cheap one-way flight from $99 or cheap return flight from $197 from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE)?
September is the cheapest month to fly from SDF to MKE. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SDF to MKE flight.
How many flights per day from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE)?
Direct flights from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to MKE?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE)?
Select a flight from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE) last-minute?
Last-minute bookings from SDF to MKE are usually more expensive. For the lowest prices, start looking for flights as early as possible. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a SDF to MKE flight and hotel package?
You can save money by securing a SDF to MKE flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred accommodations and flights, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to General Mitchell Intl. Airport (MKE)?
You can usually reschedule or cancel your SDF to MKE flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.