Cheap Flights from Milwaukee General Mitchell to St Louis

Compare Milwaukee General Mitchell to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

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Flight deals from Milwaukee General Mitchell to St Louis

Looking for a cheap last-minute deal or the best return flight from Milwaukee General Mitchell to St Louis? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Milwaukee General Mitchell to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Milwaukee General Mitchell to St Louis flights are currently cheapest in April.

Direct flights from Milwaukee General Mitchell to St Louis

Milwaukee General Mitchell to St Louis: Alternative routes

Compare routes from Milwaukee General Mitchell to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Milwaukee to St Louis: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 5,504
Cheapest month to flyApril
Average flight time1 hr, 21 mins
Most popular airlineSouthwest Airlines
Average flights per week15

Finding cheap flights from Milwaukee General Mitchell to St Louis: Frequently asked questions

The best price we found for a return flight from Milwaukee General Mitchell to St Louis is ج.م.‏ 10,751. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 21 minutes is the average flight time from Milwaukee General Mitchell to St Louis.
Southwest Airlines flies direct from Milwaukee General Mitchell to St Louis.
As of February 2026, there are 15 flights per week flying from Milwaukee General Mitchell to St Louis.
The cheapest month to fly from Milwaukee General Mitchell to St Louis is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Milwaukee General Mitchell Airport to St Louis Airport on Friday, 24 April 2026.
Yes – the average flight time is 1 hour and 21 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to St Louis.

Flying from General Mitchell International Airport (MKE) to Lambert-St. Louis International Airport (STL): what you need to know

  • Take a direct flight from General Mitchell International Airport to Lambert-St. Louis International Airport and you'll be in the air for an average of 1 hour 20 minutes.

  • St Louis's timezone is UTC-5, which is the same as Milwaukee.

  • Each week, there are ten General Mitchell International Airport to Lambert-St. Louis International Airport flights. To be on board early, jump on the 05:15 Southwest Airlines flight. If you're eager to make the most of your time before you fly, the last departure is at 20:15 with Southwest Airlines.

  • Arrive at the airport on time so you don't miss your MKE to STL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • You can expect bigger queues during popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures is a smart move.

  • Southwest Airlines has direct flights from General Mitchell International Airport to Lambert-St. Louis International Airport. Book with this popular airline, then get ready to discover the sights in St Louis — and maybe even more of United States if your schedule allows.

  • The majority of passengers choose to travel with Southwest Airlines on this route.

  • The most punctual carrier operating MKE to STL flights is Southwest Airlines. Its services arrive as scheduled 77.68% of the time.

  • If you want to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from General Mitchell International Airport to Lambert-St. Louis International Airport. These are the most popular stopovers between MKE and STL:

    • O'Hare International Airport

    • Detroit Metropolitan Wayne County Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from General Mitchell International Airport (MKE) to Lambert-St. Louis International Airport (STL)

  • The lowest price we've found for a one-way General Mitchell International Airport to Lambert-St. Louis International Airport flight is ج.م.‏ 5,469. A return fare right now is ج.م.‏ 10,751. Depending on the availability when you book, these fares can change.

  • Book seven months before travelling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from MKE to STL.

  • The cheapest month for flights from General Mitchell International Airport to Lambert-St. Louis International Airport is June. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

  • Stay on top of deals for cheap flights from MKE to STL by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Tailor your trip using filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from General Mitchell International Airport to Lambert-St. Louis International Airport.

Handy information about General Mitchell International Airport (MKE)

  • MKE is located at 5300 S. Howell Avenue.

  • 78.97% of flights that leave from General Mitchell International Airport make it to their destination on schedule.

  • General Mitchell International Airport is about 14 kilometres from central Milwaukee. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport takes about 40 minutes.

  • Booked an early flight from General Mitchell International Airport to Lambert-St. Louis International Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by picking one of these stays near MKE:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport to central St Louis has a drive time of around 20 minutes. It's approximately 26 kilometres away.

  • If you're taking public transport, expect a journey time of roughly 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • July is the busiest month for flights from General Mitchell International Airport to Lambert-St. Louis International Airport. To escape the crowds, visit St Louis in April.

  • The warmest month in St Louis is July, with the temperature ranging between 17ºC and 33ºC. Lock in your flights from General Mitchell International Airport to Lambert-St. Louis International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between -8ºC and 7ºC. Search for cheap tickets from MKE to STL around that time if you want to travel when it's cooler.

Explore more of United States

  • You've done St Louis, now it's time to explore more of United States. Travel around 418 kilometres north-east to Chicago to tick off its top sights. From Millennium Park to Art Institute of Chicago and LandShark Beer Garden at Navy Pier, your itinerary will be busy.

  • Around 370 kilometres east of St Louis, Indianapolis is another essential stop in United States. Get a taste of what this destination has to offer at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.