$99+ Cheap flights from St. Louis to Milwaukee (STL - MKE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MKE
Nov 26 — Dec 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Milwaukee with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Milwaukee
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to MilwaukeeExplore the most affordable flight options available from St. Louis to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
Explore the most affordable flight options available from St. Louis to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop5h 08m
Sat 11/215:06 am -
1 stop5h 38m
Deal found 10/23![American Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
Nonstop1h 10m
Mon 11/237:55 am -
Nonstop1h 25m
Deal found 10/26![Southwest logo]()
$243
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/286:00 am -
1 stop7h 37m
Thu 12/3110:08 am -
1 stop5h 43m
Deal found 10/23![American Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:15 pm -
Nonstop1h 15m
Sat 11/217:45 am -
Nonstop1h 25m
Deal found 10/23![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:45 am -
1 stop5h 15m
Mon 11/305:45 am -
1 stop5h 20m
Deal found 10/23![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:40 pm -
2 stops6h 55m
Fri 11/274:50 pm -
1 stop6h 00m
Deal found 10/24![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 pm -
Nonstop1h 20m
Fri 11/275:30 am -
1 stop4h 35m
Deal found 10/25![Southwest logo]()
$273
Best flights from St. Louis to MilwaukeeDiscover carefully curated flight deals from St. Louis to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
Discover carefully curated flight deals from St. Louis to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:45 am -
1 stop5h 15m
Mon 11/305:45 am -
1 stop5h 20m
Deal found 10/23![Southwest logo]()
$266
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:59 am -
1 stop8h 07m
Wed 11/118:00 am -
1 stop4h 10m
Deal found 10/23![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
Nonstop1h 10m
Mon 11/237:55 am -
Nonstop1h 25m
Deal found 10/24![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop5h 28m
Sat 11/286:48 am -
1 stop5h 18m
Deal found 10/26![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 pm -
Nonstop1h 20m
Fri 11/275:30 am -
1 stop4h 35m
Deal found 10/24![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:50 pm -
Nonstop1h 20m
Sun 11/297:00 am -
1 stop7h 50m
Deal found 10/25![Southwest logo]()
$325
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:15 pm -
1 stop3h 00m
Tue 11/108:00 am -
Nonstop1h 30m
Deal found 10/22![Southwest logo]()
$325
Last-minute flights from St. Louis to MilwaukeeDiscover last-minute flight deals from St. Louis to Milwaukee. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Milwaukee. Data last updated October 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:59 am -
1 stop8h 07m
Wed 11/118:00 am -
1 stop4h 10m
Deal found 10/22![United Airlines logo]()
$287
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop5h 08m
Sat 11/215:06 am -
1 stop5h 38m
Deal found 10/23![American Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:15 pm -
Nonstop1h 15m
Sat 11/217:45 am -
Nonstop1h 25m
Deal found 10/23![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:30 am -
Nonstop1h 10m
Mon 11/237:55 am -
Nonstop1h 25m
Deal found 10/26![Southwest logo]()
$243
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:40 pm -
2 stops6h 55m
Fri 11/274:50 pm -
1 stop6h 00m
Deal found 10/24![Southwest logo]()
$271
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 pm -
Nonstop1h 20m
Fri 11/275:30 am -
1 stop4h 35m
Deal found 10/25![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:45 am -
1 stop5h 15m
Mon 11/305:45 am -
1 stop5h 20m
Deal found 10/23![Southwest logo]()
$266
One-way flights from St. Louis to MilwaukeeSearch for one-way flight options from St. Louis to Milwaukee. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
Search for one-way flight options from St. Louis to Milwaukee. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:27 am -
1 stop3h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$99
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:00 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$122
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:41 pm -
1 stop4h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$127
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:50 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$128
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:30 am -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$132
This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:25 am -
Nonstop1h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$169
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:40 am -
1 stop5h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$174
Find flight deals from St. Louis to Milwaukee
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (American Airlines) |
One-way from | $99 (American Airlines) |
Popular in | January |
Cheapest in | April |
Average price | $367 |
Good round-trip deal | $370 or less |
Good one-way deal | $155 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 27, 2026.
Use the filters below to find and compare flights from St. Louis to Milwaukee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Tue 11/24
9:50 pm-11:10 pm
Nonstop1h 20m
Milwaukee-Mitchell
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Thu 12/3
7:27 am-11:17 am
1 stop3h 50m
Milwaukee-Mitchell
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$127
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Mon 11/9
9:50 pm-11:10 pm
Nonstop1h 20m
Milwaukee-Mitchell
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$128
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Mon 11/30
6:50 pm-10:15 pm
1 stop3h 25m
Milwaukee-Mitchell
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$243
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Tue 11/3
5:00 am-10:13 am
1 stop5h 13m
Milwaukee-Mitchell
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$264
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Thu 11/5
7:30 am-11:28 am
1 stop3h 58m
Milwaukee-Mitchell
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$264
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Sun 11/8
4:40 pm-11:35 pm
2 stops6h 55m
Milwaukee-Mitchell
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$265
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Fri 11/27
5:45 am-11:00 am
1 stop5h 15m
Milwaukee-Mitchell
Mon 11/30
5:45 am-11:05 am
1 stop5h 20m
$266
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Tue 11/10
9:59 am-6:06 pm
1 stop8h 07m
Milwaukee-Mitchell
Wed 11/11
8:00 am-12:10 pm
1 stop4h 10m
$287
St. LouisMilwaukee
STL Lambert-St Louis - MKE Milwaukee-Mitchell
STLMKE
Lambert-St Louis
Thu 11/19
8:30 am-9:40 am
Nonstop1h 10m
Milwaukee-Mitchell
Mon 11/23
7:55 am-9:20 am
Nonstop1h 25m
$297
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Milwaukee
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Milwaukee in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Milwaukee flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Milwaukee
Have a flexible travel schedule? Discover the best time to fly to Milwaukee from St. Louis with our price prediction graph.
STL-MKE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Milwaukee
What is the cheapest month to book a flight from St. Louis to Milwaukee?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Milwaukee (average of $354). Flying from St. Louis to Milwaukee in January is currently the most expensive (average of $606). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to MKE?
Find hourly flight availability from St. Louis to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2026.
It’s typically best to fly out from St. Louis to Milwaukee at noon. Doing so could potentially save you 55% on the flight price compared to flying in the evening, which is usually more expensive.
Reviews of airlines servicing Milwaukee
Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated October 27, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from St. Louis to Milwaukee to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Entertainment
7.4
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Food
7.0
Entertainment
7.4
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Food
7.0
Entertainment
7.4
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Food
7.0
Entertainment
7.4
Boarding
8.1
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Milwaukee?
Book flights to Milwaukee if you plan to visit one of these locationsPort Washington
Sheboygan
New Berlin
Oak Creek
Wauwatosa
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Milwaukee flight routes
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Milwaukee
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Milwaukee by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Milwaukee by cabin class
Find flights from St. Louis to Milwaukee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Milwaukee
Explore flights to Milwaukee departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.
St. Louis and Milwaukee flights
Browse other St. Louis and Milwaukee flight options. Last updated on October 27, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to Milwaukee
Discover the top 3 airlines that operate flights from St. Louis to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$271 | Average$408 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$290 | Average$406 | FlexibilityNo cancel fee | On-time71% |