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Cheap flights from St. Louis to Milwaukee from R1 049

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Milwaukee

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
10:35 - 16:05STL  Lambert-St Louis-MKE Milwaukee-Mitchell
5h 30m1 stop Detroit Metropolitan Wayne County
Delta Logo
17:45 - 23:28MKE  Milwaukee-Mitchell-STL Lambert-St Louis
5h 43m1 stop Minneapolis St Paul
R4 115Delta
Wed, Nov 4 - Sun, Nov 8
Southwest Logo
8:30 - 9:45STL  Lambert-St Louis-MKE Milwaukee-Mitchell
1h 15mdirect
Southwest Logo
8:15 - 9:30MKE  Milwaukee-Mitchell-STL Lambert-St Louis
1h 15mdirect
R4 541Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
8:30 - 9:45STL  Lambert-St Louis-MKE Milwaukee-Mitchell
1h 15mdirect
Southwest Logo
5:55 - 9:00MKE  Milwaukee-Mitchell-STL Lambert-St Louis
3h 05m1 stop Chicago Midway
R4 705Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
8:30 - 9:45STL  Lambert-St Louis-MKE Milwaukee-Mitchell
1h 15mdirect
Southwest Logo
17:00 - 23:40MKE  Milwaukee-Mitchell-STL Lambert-St Louis
6h 40m2 stops Chicago Midway Nashville Intl
R4 787Southwest
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
21:50 - 23:10STL  Lambert-St Louis-MKE Milwaukee-Mitchell
1h 20mdirect
Southwest Logo
8:15 - 9:30MKE  Milwaukee-Mitchell-STL Lambert-St Louis
1h 15mdirect
R4 819Southwest
Fri, Oct 23 - Mon, Oct 26
United Airlines Logo
8:00 - 11:30STL  Lambert-St Louis-MKE Milwaukee-Mitchell
3h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
18:18 - 21:40MKE  Milwaukee-Mitchell-STL Lambert-St Louis
3h 22m1 stop Chicago O'Hare Intl
R4 967United Airlines
Fri, Oct 23 - Mon, Oct 26
Southwest Logo
8:30 - 9:45STL  Lambert-St Louis-MKE Milwaukee-Mitchell
1h 15mdirect
Southwest Logo
14:30 - 19:20MKE  Milwaukee-Mitchell-STL Lambert-St Louis
4h 50m1 stop Baltimore/Washington
R4 983Southwest
Tue, Oct 20 - Wed, Oct 21
Southwest Logo
12:30 - 20:40STL  Lambert-St Louis-MKE Milwaukee-Mitchell
8h 10m2 stops Nashville Intl Chicago Midway
Southwest Logo
7:45 - 9:20MKE  Milwaukee-Mitchell-STL Lambert-St Louis
1h 35mdirect
R5 065Southwest
Wed, Jan 20 - Fri, Jan 22
Southwest Logo
10:20 - 16:30STL  Lambert-St Louis-MKE Milwaukee-Mitchell
6h 10m2 stops Columbus Washington, D.C. Reagan-National
Southwest Logo
14:30 - 19:20MKE  Milwaukee-Mitchell-STL Lambert-St Louis
4h 50m1 stop Baltimore/Washington
R5 229Southwest
Tue, Oct 20 - Wed, Oct 21
Southwest Logo
13:05 - 22:35STL  Lambert-St Louis-MKE Milwaukee-Mitchell
9h 30m2 stops Nashville Intl Chicago Midway
Southwest Logo
17:00 - 23:40MKE  Milwaukee-Mitchell-STL Lambert-St Louis
6h 40m2 stops Chicago Midway Nashville Intl
R5 311Southwest
Fri, Oct 23 - Mon, Oct 26

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United Airlines flights from St. Louis to Milwaukee

Our best United Airlines deals on St. Louis to Milwaukee flight tickets
United Airlines
Oct 23
STL8:00Lambert-St Louis
3h 30m
1 stop
MKE11:30Milwaukee-Mitchell
Oct 26
MKE18:18Milwaukee-Mitchell
3h 22m
1 stop
STL21:40Lambert-St Louis
R4 967
United Airlines
Oct 22
STL8:00Lambert-St Louis
5h 43m
1 stop
MKE13:43Milwaukee-Mitchell
Oct 26
MKE18:18Milwaukee-Mitchell
3h 22m
1 stop
STL21:40Lambert-St Louis
R5 410
United Airlines
Oct 17
STL17:36Lambert-St Louis
3h 49m
1 stop
MKE21:25Milwaukee-Mitchell
Oct 20
MKE7:18Milwaukee-Mitchell
4h 55m
1 stop
STL12:13Lambert-St Louis
R5 508

Southwest flights from St. Louis to Milwaukee

Our best Southwest deals on St. Louis to Milwaukee flight tickets
Southwest
Oct 22
STL8:30Lambert-St Louis
1h 15m
MKE9:45Milwaukee-Mitchell
Oct 26
MKE8:15Milwaukee-Mitchell
1h 15m
STL9:30Lambert-St Louis
R4 541
Southwest
Oct 22
STL8:30Lambert-St Louis
1h 15m
MKE9:45Milwaukee-Mitchell
Oct 26
MKE5:55Milwaukee-Mitchell
3h 05m
1 stop
STL9:00Lambert-St Louis
R4 705
Southwest
Oct 22
STL8:30Lambert-St Louis
1h 15m
MKE9:45Milwaukee-Mitchell
Oct 26
MKE17:00Milwaukee-Mitchell
6h 40m
2 stops
STL23:40Lambert-St Louis
R4 787

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Milwaukee that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Wed 4/11

10:35-16:05

1 stop5h 30m

Milwaukee-Mitchell

Sun 8/11

17:45-23:28

1 stop5h 43m

R4 115
Fastest return journey

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Thu 22/10

8:30-9:45

Nonstop1h 15m

Milwaukee-Mitchell

Mon 26/10

8:15-9:30

Nonstop1h 15m

R4 541

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Thu 22/10

8:30-9:45

Nonstop1h 15m

Milwaukee-Mitchell

Mon 26/10

5:55-9:00

1 stop3h 05m

R4 705

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Thu 22/10

8:30-9:45

Nonstop1h 15m

Milwaukee-Mitchell

Mon 26/10

17:00-23:40

2 stops6h 40m

R4 787

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Fri 23/10

21:50-23:10

Nonstop1h 20m

Milwaukee-Mitchell

Mon 26/10

8:15-9:30

Nonstop1h 15m

R4 819

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Fri 23/10

8:00-11:30

1 stop3h 30m

Milwaukee-Mitchell

Mon 26/10

18:18-21:40

1 stop3h 22m

R4 967

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Tue 20/10

8:30-9:45

Nonstop1h 15m

Milwaukee-Mitchell

Wed 21/10

14:30-19:20

1 stop4h 50m

R4 983

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Wed 20/1

12:30-20:40

2 stops8h 10m

Milwaukee-Mitchell

Fri 22/1

7:45-9:20

Nonstop1h 35m

R5 065

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Tue 20/10

10:20-16:30

2 stops6h 10m

Milwaukee-Mitchell

Wed 21/10

14:30-19:20

1 stop4h 50m

R5 229

St. LouisMilwaukee

STL Lambert-St Louis - MKE Milwaukee-Mitchell

STLMKE

Lambert-St Louis

Fri 23/10

13:05-22:35

2 stops9h 30m

Milwaukee-Mitchell

Mon 26/10

17:00-23:40

2 stops6h 40m

R5 311

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between St. Louis and Milwaukee?

Prices are currently low for flights on this route.

Typical prices usually range from R4 705 to R6 409.
The lowest price recently found on this route was R4 115.

What is the cheapest month to fly to Milwaukee?

In general, October is the cheapest month to fly from St. Louis to Milwaukee. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R5 787. If you are unable to visit Milwaukee during the month of October, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around R5 803.

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

As of October 2026, prices for St. Louis to Milwaukee flights are approximately 217% more expensive 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 return 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

R1 049

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from St. Louis in the past 72 hours is R1 049. The best return flight deal from St. Louis to Milwaukee found on momondo in the last 72 hours is R4 115.
Direct flights go from St. Louis to Milwaukee on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport in Milwaukee. From St. Louis there are direct flights to Milwaukee-Mitchell (MKE).
Search flight deals

Frequently asked questions about flying from St. Louis to Milwaukee

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

    There are 526,6 km between Lambert-St Louis and Milwaukee-Mitchell.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Milwaukee-Mitchell Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Flights from St. Louis to Milwaukee with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for St. Louis to Milwaukee flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Milwaukee, momondo offers a useful price alert feature which will track prices for flights to Milwaukee from St. Louis and alert you when they change.

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