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$105 Cheap Flights from Louisville (SDF) to Milwaukee (MKE)

Cheap Flights from Louisville to Milwaukee (SDF-MKE)

Prices were available within the past 7 days and start at $105 for one-way flights and $209 for roundtrip, for the period specified. Prices and availability are subject to change.

Alternative airports near Milwaukee

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

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

February is typically the cheapest month to fly

From $178 - $301 per traveler.

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Louisville (SDF) to Milwaukee (MKE) at a glance

Travel from Louisville (SDF) to Milwaukee (MKE) with a range of airlines operating on this domestic short-haul route. Whether you’re looking for low fares from Louisville or prefer a full-service carrier, you can easily compare options to find the best itinerary that aligns with your budget and schedule. Check out essential details for flights from Louisville International Airport to General Mitchell International Airport as you plan your visit to Milwaukee's renowned attractions and neighborhoods.

  • Fastest flight duration: around 2h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 350 miles (565 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $100–$315, depending on seasonality and how far ahead you book

Flights from Louisville International Airport (SDF) to General Mitchell International Airport (MKE)

According to recent traveler bookings, here are the top airlines favored for flights from Louisville to Milwaukee, typically chosen for their one-stop services. Common layover points include O'Hare International Airport (ORD) with an average layover of about 1 hour and 15 minutes, Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of approximately 1 hour, and Detroit Metropolitan Wayne County Airport (DTW) also around 1 hour and 15 minutes. This variety allows you to tailor your itinerary based on price, total travel time, and cabin class.

  • Delta: As a prominent full-service airline, Delta offers one-stop travel with one-way fares generally between $120 and $320. It represents around 39% of the departures on this route, featuring an in-flight duration of 2 hours and 45 minutes, culminating in an overall journey time of approximately 4 hours and 15 minutes, including layover.
  • American Airlines: This full-service carrier provides one-stop options, with one-way ticket prices typically ranging from $100 to $310. American Airlines accounts for roughly 28% of the flights on this route, maintaining an in-flight time of 2 hours and 45 minutes and a total travel duration of about 4 hours and 15 minutes, including layover.
  • United: Another full-service airline, United offers one-stop services with one-way fares usually priced between $100 and $310. It also contributes to around 28% of the departures on this route, featuring a flight time of 2 hours and 45 minutes, resulting in a total journey time of approximately 4 hours and 15 minutes, including layover.
  • Southwest Airlines: Known for its low-cost options, Southwest Airlines provides one-stop flights, with one-way fares typically from $105 to $310. This carrier represents about 5% of the departures on this route, with an in-flight time of 2 hours and 45 minutes, leading to a total travel time of roughly 4 hours and 15 minutes, including layover.

Best time to fly from Louisville (SDF) to Milwaukee (MKE)

The most popular months for travelers flying from Louisville to Milwaukee are February, March, and December, when peak temperatures in Milwaukee reach up to 34.7°F in March. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 39.2°F. For better deals, October usually offers the lowest average one-way fare around $189. Flight availability peaks in February and August, with approximately 10 flights per week, making it easier to find convenient departure times. March and June have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $189, roughly 12% cheaper than the yearly average.
  • More budget-friendly months to fly: November, February, and December typically offer average one-way fares of around $198.
  • Most flight options: February and August have the highest number of flights from Louisville to Milwaukee, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
MonthTemperatureDemandWeekly FlightsAverage one-way Fare
January22.1°F (-5.5°C)Average8$256
February23.5°F (-4.7°C)High10$196
March34.7°F (1.5°C)High7$244
April43.7°F (6.5°C)Average8$224
May54.9°F (12.7°C)Average9$210
June64.9°F (18.3°C)Low7$225
July71.4°F (21.9°C)Low8$205
August70.7°F (21.5°C)Average10$227
September64.2°F (17.9°C)Average8$207
October52.0°F (11.1°C)Average9$189
November39.2°F (4.0°C)Low8$195
December29.7°F (-1.3°C)High8$200

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Louisville (SDF) to Milwaukee (MKE)

  • Louisville to Waukesha (SDF-UES): Located roughly 18 miles from General Mitchell International Airport (MKE), Waukesha County Airport (UES) serves as a convenient travel option.
  • Louisville to Kenosha (SDF-ENW): Positioned about 24 miles from General Mitchell International Airport (MKE), Kenosha Regional Airport (ENW) provides another viable flight route.

How to find the best prices for flights from Louisville (SDF) to Milwaukee (MKE)

Getting some of the best deals on flights from Louisville to Milwaukee is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Departures in the morning, from 5 am to 12 pm, often offer lower prices and are also the most popular. Additionally, flying on Friday typically yields better prices, while Monday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at General Mitchell International Airport from Louisville International Airport

Milwaukee welcomes travelers from Louisville with a range of transport options based on price, convenience, and proximity. Here's how to reach Milwaukee efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Milwaukee, with private rides that can be arranged in advance.
  • Car rental: Renting a car from General Mitchell International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at General Mitchell International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From General Mitchell International Airport, travelers can easily access nearby transport options. The Milwaukee Airport Bus Station, a bus station, is just 0.1 miles away on foot, while the Milwaukee Airport Station, a train station, is located about 1.8 miles from the airport by car. For those looking to use the metro, the Michigan & Jackson Tram Stop, a metro station, is situated approximately 7.8 miles away by car.

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 October. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $105 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, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) cost?

You can find cheap one-way flights from $105 and cheap return flights $209 Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) with Expedia. One-way flights typically cost between $128 and $491, and return flights often range between $268 and $820. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

November is the cheapest month to fly from Louisville, KY (SDF) to Milwaukee, WI (MKE), with average return fares around $231. This is about 31% lower than the average price, likely due to reduced travel demand as the holiday season approaches. Other affordable months to consider are February and June.

*Averages based on flights available on Expedia in the last year.

Which airlines fly direct from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

Enter SDF to MKE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

Spirit Airlines is one of the cheapest airlines offering connecting flights from Louisville Intl. (SDF) to General Mitchell Intl. (MKE), with round-trip tickets starting from around $529. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

To find a cheap flight from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best time to fly from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

When flying from Louisville, KY (SDF) to Milwaukee, WI (MKE), consider November and June as the best months. You can expect return flights to be around $231, making these months both affordable and convenient. June brings pleasant summer weather, while November often has fewer crowds, enhancing your travel experience.

*Prices based on flights available on Expedia in the last year.

What is the earliest flight from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

The earliest flight from Louisville, KY (SDF) to Milwaukee, WI (MKE) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in February, allowing you to make the most of your day in Milwaukee. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

The most popular departure times for flights from Louisville, KY (SDF) to Milwaukee, WI (MKE) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including Delta, American Airlines, and United Airlines, offer flights during this window. This timing is favored as it allows you to maximize your day in Milwaukee.

How long does it take to fly from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

Flights from SDF to MKE with one stop typically take around 6 hours, covering approximately 348 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

First class seats are offered on the SDF to MKE route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight with Expedia?

It's easy to earn miles on a Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Milwaukee from Louisville Intl. (SDF)?

From Louisville Intl. (SDF), you can fly into General Mitchell Intl. (MKE) to reach Milwaukee. Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Midway Intl. (MDW), Love Field (DAL) before reaching Milwaukee. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) at the last minute?

Typically, booking a last minute flight from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package?

Securing a Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) Milwaukee Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?

If you booked your Louisville, KY (SDF-Louisville Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Louisville Intl. Airport
Destination airport
General Mitchell Intl. Airport
Distance
347 miles away
Airlines serving
Delta, American Airlines, United, Southwest Airlines
Popular airline
Delta
Roundtrip price
$209
*Available to One Key members.