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Cheap flights from St. Louis to Milwaukee from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Milwaukee departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Milwaukee

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Milwaukee that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Milwaukee.

Cheap last minute flights

Planning a quick getaway from St. Louis to Milwaukee? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Milwaukee, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Milwaukee

Find recent round-trip train or bus tickets from St. Louis to Milwaukee.

All round-trip flight deals to Milwaukee

The cheapest plane tickets to Milwaukee found on KAYAK recently.
11:38 am - 4:55 pmSTL-MKE
5h 17m1 stop
6:11 am - 1:00 pmMKE-STL
6h 49m1 stop
$166American Airlines
Find Deal
Mon, Jan 13 - Thu, Jan 16
2:15 pm - 9:50 pmSTL-MKE
7h 35m1 stop
6:28 pm - 11:46 pmMKE-STL
5h 18m1 stop
$209American Airlines
Find Deal
Wed, Dec 11 - Sun, Jan 12
7:18 am - 1:34 pmSTL-MKE
6h 16m1 stop
11:49 am - 7:30 pmMKE-STL
7h 41m1 stop
$213American Airlines
Find Deal
Fri, Jan 24 - Mon, Jan 27
6:23 pm - 9:33 pmSTL-MKE
3h 10m1 stop
6:15 am - 9:36 amMKE-STL
3h 21m1 stop
$248American Airlines
Find Deal
Thu, Dec 19 - Thu, Dec 26
8:15 pm - 9:30 pmSTL-MKE
1h 15mnonstop
5:30 am - 9:25 amMKE-STL
3h 55m1 stop
$286Southwest
Find Deal
Wed, Dec 11 - Sun, Jan 12
8:15 pm - 9:30 pmSTL-MKE
1h 15mnonstop
6:00 am - 7:35 amMKE-STL
1h 35mnonstop
$287Southwest
Find Deal
Wed, Dec 11 - Sun, Jan 12
5:30 pm - 8:47 pmSTL-MKE
3h 17m1 stop
3:51 pm - 9:45 pmMKE-STL
5h 54m1 stop
$390United Airlines
Find Deal
Sat, Dec 21 - Sat, Dec 28
10:10 am - 1:52 pmSTL-MKE
3h 42m1 stop
11:45 am - 3:34 pmMKE-STL
3h 49m1 stop
$452United Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9
9:20 am - 9:42 pmSTL-MKE
36h 22m3 stops
5:51 pm - 11:30 amMKE-STL
41h 39m3 stops
Wed, Dec 11 - Sun, Jan 12
4:27 pm - 5:29 pmSTL-MKE
25h 02m3 stops
5:00 am - 3:21 pmMKE-STL
10h 21m1 stop
Thu, Dec 19 - Thu, Dec 26
5:02 pm - 9:47 amSTL-MKE
16h 45m1 stop
$65Frontier
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Wed, Dec 4
11:04 am - 2:35 pmSTL-MKE
3h 31m1 stop
$83American Airlines
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Thu, Feb 20
6:00 am - 9:40 amSTL-MKE
3h 40m1 stop
$88Delta
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Wed, Dec 18
10:22 am - 2:17 pmSTL-MKE
3h 55m1 stop
$93Delta
Find Deal
Mon, Jan 20
8:15 pm - 9:30 pmSTL-MKE
1h 15mnonstop
$121Southwest
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Wed, Dec 18
3:32 pm - 6:44 pmSTL-MKE
3h 12m1 stop
$123United Airlines
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Mon, Feb 17
4:33 pm - 9:42 pmSTL-MKE
29h 09m2 stops
Tue, Dec 3
10:18 am - 2:49 pmSTL-MKE
4h 31m1 stop
$159United Airlines
Find Deal
Thu, Feb 20
7:45 am - 9:00 amSTL-MKE
1h 15mnonstop
$166Southwest
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Fri, Dec 20
12:15 pm - 5:29 pmSTL-MKE
29h 14m3 stops
Wed, Dec 18
11:20 am - 3:17 pmSTL-MKE
3h 57m1 stop
12:07 pm - 3:39 pmMKE-STL
3h 32m1 stop
$652United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
5:20 pm - 11:35 pmSTL-MKE
6h 15m1 stop
11:20 am - 12:40 pmMKE-STL
1h 20mnonstop
$653Southwest
Find Deal
Fri, Nov 22 - Sun, Nov 24
11:15 am - 4:55 pmSTL-MKE
5h 40m1 stop
6:00 am - 2:15 pmMKE-STL
8h 15m2 stops
$657Southwest
Find Deal
Fri, Nov 22 - Sun, Nov 24
8:25 am - 6:01 pmSTL-MKE
9h 36m2 stops
10:45 am - 8:05 pmMKE-STL
9h 20m2 stops
$2,107United Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
8:15 pm - 9:30 pmSTL-MKE
1h 15mnonstop
6:00 am - 7:35 amMKE-STL
1h 35mnonstop
$287Southwest
Find Deal
Wed, Dec 11 - Sun, Jan 12
9:15 am - 10:30 amSTL-MKE
1h 15mnonstop
7:05 pm - 8:30 pmMKE-STL
1h 25mnonstop
$317Southwest
Find Deal
Sat, Jan 25 - Sun, Jan 26
8:20 pm - 9:35 pmSTL-MKE
1h 15mnonstop
7:05 pm - 8:30 pmMKE-STL
1h 25mnonstop
$332Southwest
Find Deal
Fri, Jan 24 - Sun, Jan 26
4:15 pm - 5:30 pmSTL-MKE
1h 15mnonstop
4:45 pm - 6:05 pmMKE-STL
1h 20mnonstop
$352Southwest
Find Deal
Sat, Dec 21 - Sat, Dec 28
8:25 pm - 9:40 pmSTL-MKE
1h 15mnonstop
3:35 pm - 4:55 pmMKE-STL
1h 20mnonstop
$432Southwest
Find Deal
Fri, Feb 7 - Sun, Feb 9

American Airlines flights from St. Louis to Milwaukee

Our best American Airlines deals on St. Louis to Milwaukee flight tickets
American Airlines
Jan 13
STL11:38 amLambert-St Louis
5h 17m
1 stop
MKE4:55 pmMilwaukee-Mitchell
Jan 16
MKE6:11 amMilwaukee-Mitchell
6h 49m
1 stop
STL1:00 pmLambert-St Louis
American Airlines
Dec 11
STL2:15 pmLambert-St Louis
7h 35m
1 stop
MKE9:50 pmMilwaukee-Mitchell
Jan 12
MKE6:28 pmMilwaukee-Mitchell
5h 18m
1 stop
STL11:46 pmLambert-St Louis
American Airlines
Jan 24
STL7:18 amLambert-St Louis
6h 16m
1 stop
MKE1:34 pmMilwaukee-Mitchell
Jan 27
MKE11:49 amMilwaukee-Mitchell
7h 41m
1 stop
STL7:30 pmLambert-St Louis

Southwest flights from St. Louis to Milwaukee

Our best Southwest deals on St. Louis to Milwaukee flight tickets
Southwest
Dec 11
STL8:15 pmLambert-St Louis
1h 15m
MKE9:30 pmMilwaukee-Mitchell
Jan 12
MKE5:30 amMilwaukee-Mitchell
3h 55m
1 stop
STL9:25 amLambert-St Louis
Southwest
Dec 11
STL8:15 pmLambert-St Louis
1h 15m
MKE9:30 pmMilwaukee-Mitchell
Jan 12
MKE6:00 amMilwaukee-Mitchell
1h 35m
STL7:35 amLambert-St Louis
Southwest
Jan 25
STL6:55 amLambert-St Louis
9h 00m
1 stop
MKE3:55 pmMilwaukee-Mitchell
Jan 26
MKE7:05 pmMilwaukee-Mitchell
1h 25m
STL8:30 pmLambert-St Louis

See travel insights to Milwaukee from

How to get the cheapest flight ticket from St. Louis to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from St. Louis is in February. Flight prices, which tend to average around $185, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Milwaukee, with average flight prices from St. Louis averaging around $245.

What is the cheapest day to depart on your flight to Milwaukee?

According to our data, Tuesday is the cheapest day to fly to Milwaukee from St. Louis. The lowest ticket price found for a Tuesday departure recently was $256. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Milwaukee on a Sunday will generally be more expensive and average around $371. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Milwaukee?

At noon is the cheapest time of day to fly from St. Louis to Milwaukee when you can find flight prices for as low as $0. Flying to Milwaukee at noon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $346 per ticket.

What is the cheapest Lambert-St Louis to Milwaukee-Mitchell flight route?

Fly from Lambert-St Louis to Milwaukee-Mitchell for the best Lambert-St Louis - Milwaukee-Mitchell flight prices

What cabin class options are available on Lambert-St Louis to Milwaukee-Mitchell flights?

There are 1 cabin classes available to choose from on Lambert-St Louis to Milwaukee-Mitchell flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Milwaukee flights?

You could potentially save up to 46% on your flight if you consider stops on a St. Louis to Milwaukee flight.

How have St. Louis to Milwaukee flight prices changed over time?

As of November 2024, prices for St. Louis to Milwaukee flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Milwaukee (STL to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Milwaukee

Best Price Found

$65

Fastest flight time

1h 15m

Direct flights

Wed, Thu, Sat and Sun

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from St. Louis in the past 72 hours is $65. The best round-trip flight deal from St. Louis to Milwaukee found on momondo in the last 72 hours is $166.
The fastest flight from St. Louis to Milwaukee takes 1h 15m
Direct flights go from St. Louis to Milwaukee on Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)

  • How far is Lambert-St Louis to Milwaukee-Mitchell by plane?

    A flight from Lambert-St Louis to Milwaukee-Mitchell will travel around 327.2 mi. In terms of flight time, this usually takes a little over 1h 15m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Milwaukee-Mitchell Airport?

    Prices for flights from Lambert-St Louis Airport to Milwaukee-Mitchell Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Milwaukee-Mitchell Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Milwaukee-Mitchell Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Milwaukee-Mitchell Airport.

  • What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

    The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Milwaukee?

  • What is the most popular airline from St. Louis to Milwaukee?


Best airlines flying from St. Louis to Milwaukee

Compare and see reviews for airlines that fly from St. Louis to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $156Free CancellationRating
8.0
8,755 reviews
Search Delta flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
American AirlinesPriceFrom $174Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $254Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
  • Southwest Flights From St. Louis to Milwaukee

    Southwest is one of the most popular airlines flying from St. Louis to Milwaukee, operating 8 flights/week on average for this route. A good Southwest flight deal for St. Louis to Milwaukee starts from $254 round-trip, up to an average price of $332. Our users have rated Southwest at 8.1/10.


Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Milwaukee?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Milwaukee for you.

Can I find flights from St. Louis to Milwaukee with flexible booking policies on momondo?

All flight searches from St. Louis to Milwaukee on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Milwaukee?

momondo provides multiple filters to help you find the best flight to Milwaukee from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Milwaukee right now. Can momondo alert me if prices change?

Price alerts on flights to Milwaukee from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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