£78 Cheap Flights from St. Louis (STL) to Milwaukee (MKE)

View £78 flight on Wed, 2 Sept 2026Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from St. Louis (STL) to Milwaukee (MKE)

Prices were available within the past 7 days and start at £78 for one-way flights and £164 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 2 Sept - Sat, 19 Sept
STL
St. Louis
MKE
Milwaukee
£164 Return, found 8 hours ago
£164
Return
found 8 hours ago
Select Delta flight, departing Wed, 2 Sept from St. Louis to Milwaukee, returning Sat, 19 Sept, priced at £164 found 8 hours ago
Delta
Wed, 5 Aug - Tue, 18 Aug
STL
St. Louis
MKE
Milwaukee
£166 Return, found 8 hours ago
£166
Return
found 8 hours ago
Select Delta flight, departing Wed, 5 Aug from St. Louis to Milwaukee, returning Tue, 18 Aug, priced at £166 found 8 hours ago
Delta
Tue, 7 Jul - Tue, 21 Jul
STL
St. Louis
MKE
Milwaukee
£169 Return, found 8 hours ago
£169
Return
found 8 hours ago
Select Delta flight, departing Tue, 7 Jul from St. Louis to Milwaukee, returning Tue, 21 Jul, priced at £169 found 8 hours ago
American Airlines
Wed, 2 Sept - Mon, 7 Sept
STL
St. Louis
MKE
Milwaukee
£181 Return, found 8 hours ago
£181
Return
found 8 hours ago
Select American Airlines flight, departing Wed, 2 Sept from St. Louis to Milwaukee, returning Mon, 7 Sept, priced at £181 found 8 hours ago
Delta
Tue, 18 Aug - Tue, 1 Sept
STL
St. Louis
MKE
Milwaukee
£185 Return, found 8 hours ago
£185
Return
found 8 hours ago
Select Delta flight, departing Tue, 18 Aug from St. Louis to Milwaukee, returning Tue, 1 Sept, priced at £185 found 8 hours ago
Delta
Wed, 2 Sept - Mon, 7 Sept
STL
St. Louis
MKE
Milwaukee
£186 Return, found 8 hours ago
£186
Return
found 8 hours ago
Select Delta flight, departing Wed, 2 Sept from St. Louis to Milwaukee, returning Mon, 7 Sept, priced at £186 found 8 hours ago
Delta
Wed, 24 Jun - Tue, 7 Jul
STL
St. Louis
MKE
Milwaukee
£187 Return, found 8 hours ago
£187
Return
found 8 hours ago
Select Delta flight, departing Wed, 24 Jun from St. Louis to Milwaukee, returning Tue, 7 Jul, priced at £187 found 8 hours ago
Delta
Mon, 28 Sept - Mon, 12 Oct
STL
St. Louis
MKE
Milwaukee
£189 Return, found 8 hours ago
£189
Return
found 8 hours ago
Select Delta flight, departing Mon, 28 Sept from St. Louis to Milwaukee, returning Mon, 12 Oct, priced at £189 found 8 hours ago
Delta
Wed, 5 Aug - Mon, 17 Aug
STL
St. Louis
MKE
Milwaukee
£191 Return, found 8 hours ago
£191
Return
found 8 hours ago
Select Delta flight, departing Wed, 5 Aug from St. Louis to Milwaukee, returning Mon, 17 Aug, priced at £191 found 8 hours ago
United
Wed, 2 Sept - Mon, 7 Sept
STL
St. Louis
MKE
Milwaukee
£207 Return, found 8 hours ago
£207
Return
found 8 hours ago
Select United flight, departing Wed, 2 Sept from St. Louis to Milwaukee, returning Mon, 7 Sept, priced at £207 found 8 hours ago

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 centre is 13 minutes. Flights from £202
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city centre13 min
Flights from £202

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) cost?
One-way flights typically cost between £221 and £334 and return flights often range between £221 and £334. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
January is typically the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.), with average return fares of approximately £196. This is about 27% lower than the average price throughout the year. January often sees lower prices because it falls after the busy holiday travel season, when demand for flights tends to decrease. Other cheap months to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) include April and September.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Enter STL to MKE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis 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 airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) (STL) to Milwaukee, WI (MKE-General Mitchell Intl.) (MKE) will differ from traveller to traveller. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) (STL) to Milwaukee, WI (MKE-General Mitchell Intl.) (MKE), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) (STL) to Milwaukee, WI (MKE-General Mitchell Intl.) (MKE) is April. This month offers a great balance, as it's both one of the cheapest and most popular times to travel. You can expect return flights to be around £196, and with its popularity, you'll find plenty of flight options to choose from. January is also a cheap month, but April gives you the added benefit of more available flights.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
There are approximately 2 nonstop flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) (STL) to Milwaukee, WI (MKE-General Mitchell Intl.) (MKE). For even more choice, look at flights that include layovers. You'll find around 74 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Minneapolis - St. Paul Intl. (MSP), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in January and December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) (STL) to Milwaukee, WI (MKE-General Mitchell Intl.) (MKE) on a Friday, with around 53 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and United Airlines. Fridays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) are in the morning, from 6am to 9am. About 28% of passengers prefer this time. Many major carriers, including Southwest Airlines, American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your day at your destination.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Flying nonstop from STL to MKE takes around 1 hour 20 minutes, with the route covering approximately 318 miles. Flights with a layover typically take 4 hours 10 minutes longer than direct options. 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Select the "Business class" and "First class" filters when looking for STL to MKE flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis 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 Lambert-St. Louis Intl. (STL)?
If you're planning to travel to Milwaukee from Lambert-St. Louis Intl. (STL), you can fly directly into General Mitchell Intl. (MKE) Some flights may connect through major hubs like Tulsa Intl. (TUL), Love Field (DAL), Wichita Dwight D. Eisenhower National (ICT) 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package 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 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis 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
Lambert-St. Louis Intl.
Destination airport
General Mitchell Intl.
Airlines serving
American Airlines, Delta, United
Return price
£164
Distance
508 km
Average flight time
1 hour 15 mins

Book with confidence

Compare flights from St. Louis to Milwaukee easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Milwaukee. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to General Mitchell Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to General Mitchell Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to General Mitchell Intl. (MKE)

The easiest way to view the best deals on flights from St. Louis to Milwaukee today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to General Mitchell Intl. start at just £164 and range up to £402.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Milwaukee
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Milwaukee flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to General Mitchell Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from St. Louis to Milwaukee easily and book with confidence

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