$106+ Cheap flights from Milwaukee to St. Louis (MKE - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — STL
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to St. Louis 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 Milwaukee to St. Louis
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Best
Last-minute
One-way
Cheapest flights from Milwaukee to St. LouisExplore the most affordable flight options available from Milwaukee to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Milwaukee to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/114:47 pm
MKE
- STL
1 stop3h 55m
Delta
Wed 8/125:34 pm
STL
- MKE
1 stop3h 48m
Delta
Deal found 6/11![Delta logo]()
$215
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/129:40 am
MKE
- STL
1 stop3h 34m
Delta
Thu 8/136:20 am
STL
- MKE
1 stop5h 03m
Delta
Deal found 6/11![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 6/11. 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 9/112:40 pm
MKE
- STL
1 stop8h 30m
Southwest
Thu 9/38:30 am
STL
- MKE
1 stop7h 10m
Southwest
Deal found 6/11![Southwest logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/310:19 am
MKE
- STL
1 stop5h 19m
United Airlines
Mon 9/78:50 am
STL
- MKE
1 stop3h 48m
United Airlines
Deal found 6/12![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 8/151:27 pm
MKE
- STL
1 stop3h 47m
Delta
Mon 8/175:34 pm
STL
- MKE
1 stop3h 48m
Delta
Deal found 6/11![Delta logo]()
$255
This Delta deal was found by Cheapflights users on 6/11. 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 8/179:40 am
MKE
- STL
1 stop3h 34m
Delta
Wed 8/195:34 pm
STL
- MKE
1 stop3h 48m
Delta
Deal found 6/11![Delta logo]()
$256
This Delta deal was found by Cheapflights users on 6/11. 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 9/66:30 am
MKE
- STL
1 stop3h 53m
Delta
Wed 9/912:10 pm
STL
- MKE
1 stop4h 32m
Delta
Deal found 6/11![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 6/11. 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 9/308:20 am
MKE
- STL
Nonstop1h 15m
Southwest
Fri 10/25:45 pm
STL
- MKE
1 stop6h 20m
Southwest
Deal found 6/11![Southwest logo]()
$260
Best flights from Milwaukee to St. LouisDiscover carefully curated flight deals from Milwaukee to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Milwaukee to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 9/54:47 pm
MKE
- STL
1 stop3h 55m
Delta
Tue 9/812:10 pm
STL
- MKE
1 stop4h 32m
Delta
Deal found 6/11![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 6/13. 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.
Sat 7/114:40 pm
MKE
- STL
Nonstop1h 20m
Southwest
Tue 7/149:15 pm
STL
- MKE
Nonstop1h 15m
Southwest
Deal found 6/13![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 10/148:30 am
MKE
- STL
1 stop3h 43m
United Airlines
Sat 10/175:36 pm
STL
- MKE
1 stop5h 23m
United Airlines
Deal found 6/13![United Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/189:40 am
MKE
- STL
1 stop3h 34m
Delta
Fri 8/212:10 pm
STL
- MKE
1 stop3h 58m
Delta
Deal found 6/11![Delta logo]()
$256
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 7/254:40 pm
MKE
- STL
Nonstop1h 20m
Southwest
Wed 7/299:15 pm
STL
- MKE
Nonstop1h 15m
Southwest
Deal found 6/15![Southwest logo]()
$278
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 9/85:55 pm
MKE
- STL
1 stop5h 06m
Delta
Fri 9/116:30 am
STL
- MKE
1 stop4h 41m
Delta
Deal found 6/11![Delta logo]()
$256
This Southwest deal was found by Cheapflights users on 6/12. 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 7/15:05 pm
MKE
- STL
Nonstop1h 20m
Southwest
Sat 7/41:30 pm
STL
- MKE
1 stop6h 40m
Southwest
Deal found 6/12![Southwest logo]()
$289
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 9/115:55 pm
MKE
- STL
1 stop5h 06m
Delta
Mon 9/145:43 pm
STL
- MKE
1 stop3h 44m
Delta
Deal found 6/11![Delta logo]()
$276
This Southwest deal was found by Cheapflights users on 6/13. 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.
Sat 7/116:20 am
MKE
- STL
Nonstop1h 20m
Southwest
Sat 7/183:45 pm
STL
- MKE
2 stops7h 15m
Southwest
Deal found 6/13![Southwest logo]()
$294
Last-minute flights from Milwaukee to St. LouisDiscover last-minute flight deals from Milwaukee to St. Louis. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to St. Louis. Data last updated June 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/12. 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 7/15:05 pm
MKE
- STL
Nonstop1h 20m
Southwest
Sat 7/42:15 pm
STL
- MKE
Nonstop1h 15m
Southwest
Deal found 6/12![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 6/14. 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.
Sat 7/114:40 pm
MKE
- STL
Nonstop1h 20m
Southwest
Tue 7/149:15 pm
STL
- MKE
Nonstop1h 15m
Southwest
Deal found 6/14![Southwest logo]()
$278
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/117:40 am
MKE
- STL
1 stop5h 10m
American Airlines
Tue 7/141:25 pm
STL
- MKE
1 stop8h 56m
American Airlines
Deal found 6/13![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 7/116:30 am
MKE
- STL
1 stop3h 58m
Delta
Tue 7/146:30 am
STL
- MKE
1 stop6h 12m
Delta
Deal found 6/11![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/147:25 am
MKE
- STL
1 stop9h 15m
American Airlines
Tue 7/219:08 am
STL
- MKE
1 stop13h 13m
American Airlines
Deal found 6/14![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 6/14. 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 7/145:05 pm
MKE
- STL
Nonstop1h 20m
Southwest
Tue 7/218:30 am
STL
- MKE
Nonstop1h 15m
Southwest
Deal found 6/14![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 6/12. 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 7/158:05 am
MKE
- STL
Nonstop1h 20m
Southwest
Sun 7/196:00 am
STL
- MKE
1 stop7h 00m
Southwest
Deal found 6/12![Southwest logo]()
$301
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/217:25 am
MKE
- STL
1 stop9h 15m
American Airlines
Sun 7/261:26 pm
STL
- MKE
1 stop6h 34m
American Airlines
Deal found 6/14![American Airlines logo]()
$297
One-way flights from Milwaukee to St. LouisSearch for one-way flight options from Milwaukee to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Milwaukee to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/116:48 pm
MKE
- STL
1 stop5h 26m
American Airlines
Deal found 6/14![American Airlines logo]()
$106
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/59:40 am
MKE
- STL
1 stop3h 34m
Delta
Deal found 6/11![Delta logo]()
$108
This Southwest deal was found by Cheapflights users on 6/12. 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 9/84:25 pm
MKE
- STL
Nonstop1h 15m
Southwest
Deal found 6/12![Southwest logo]()
$112
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Mon 8/107:23 pm
MKE
- STL
1 stop4h 06m
United Airlines
Deal found 6/13![United Airlines logo]()
$127
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 8/67:11 am
MKE
- STL
1 stop6h 03m
Delta
Deal found 6/11![Delta logo]()
$128
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 8/86:15 am
MKE
- STL
Nonstop1h 15m
Southwest
Deal found 6/11![Southwest logo]()
$136
This Southwest deal was found by Cheapflights users on 6/14. 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 7/75:05 pm
MKE
- STL
Nonstop1h 20m
Southwest
Deal found 6/14![Southwest logo]()
$139
This Southwest deal was found by Cheapflights users on 6/11. 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 7/85:05 pm
MKE
- STL
Nonstop1h 20m
Southwest
Deal found 6/11![Southwest logo]()
$140
This Delta deal was found by Cheapflights users on 6/15. 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.
Tue 7/146:59 pm
MKE
- STL
1 stop4h 23m
Delta
Deal found 6/15![Delta logo]()
$144
This Delta deal was found by Cheapflights users on 6/14. 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.
Wed 7/84:47 pm
MKE
- STL
1 stop3h 50m
Delta
Deal found 6/14![Delta logo]()
$149
Find flight deals from Milwaukee to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to St. Louis (STL). 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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $215 (Delta) |
One-way from | $106 (United Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $413 |
Good round-trip deal | $334 or less |
Good one-way deal | $174 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Milwaukee to St. Louis 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 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Milwaukee to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Sat 9/5
4:47 pm-8:42 pm
1 stop3h 55m
Lambert-St Louis
Tue 9/8
12:10 pm-4:42 pm
1 stop4h 32m
$235
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Tue 8/18
9:40 am-1:14 pm
1 stop3h 34m
Lambert-St Louis
Fri 8/21
2:10 pm-6:08 pm
1 stop3h 58m
$256
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Tue 9/8
5:55 pm-11:01 pm
1 stop5h 06m
Lambert-St Louis
Fri 9/11
6:30 am-11:11 am
1 stop4h 41m
$256
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Fri 9/11
5:55 pm-11:01 pm
1 stop5h 06m
Lambert-St Louis
Mon 9/14
5:43 pm-9:27 pm
1 stop3h 44m
$276
Quickest round-trip
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Sat 7/11
4:40 pm-6:00 pm
Nonstop1h 20m
Lambert-St Louis
Tue 7/14
9:15 pm-10:30 pm
Nonstop1h 15m
$278
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Sat 7/25
4:40 pm-6:00 pm
Nonstop1h 20m
Lambert-St Louis
Wed 7/29
9:15 pm-10:30 pm
Nonstop1h 15m
$278
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Wed 10/14
8:30 am-12:13 pm
1 stop3h 43m
Lambert-St Louis
Sat 10/17
5:36 pm-10:59 pm
1 stop5h 23m
$281
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Wed 7/1
5:05 pm-6:25 pm
Nonstop1h 20m
Lambert-St Louis
Sat 7/4
1:30 pm-8:10 pm
1 stop6h 40m
$289
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Sat 7/11
6:20 am-7:40 am
Nonstop1h 20m
Lambert-St Louis
Sat 7/18
3:45 pm-11:00 pm
2 stops7h 15m
$294
Cheapest one-way
MilwaukeeSt. Louis
MKE - STL
MKESTL
Milwaukee-Mitchell
Wed 12/9
5:50 pm-11:18 pm
1 stop5h 28m
$108
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Milwaukee to St. Louis
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 Milwaukee to St. Louis in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Milwaukee-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Milwaukee-St. Louis 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 Milwaukee-St. Louis 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 Milwaukee to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Milwaukee with our price prediction graph.
MKE-STL
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 Milwaukee to St. Louis
What is the cheapest month to book a flight from Milwaukee to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Milwaukee to St. Louis (average of $246). Flying from Milwaukee to St. Louis in December is currently the most expensive (average of $530). 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 MKE to STL?
Find hourly flight availability from Milwaukee to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2026.
It’s typically best to fly out from Milwaukee to St. Louis at noon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 15, 2026.
See what other customers who have flown with Southwest and United Airlines from Milwaukee to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Milwaukee to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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Find flights from Milwaukee to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Milwaukee and St. Louis flights
Browse other Milwaukee and St. Louis flight options. Last updated on June 15, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Top 2 airlines flying from Milwaukee to St. Louis
Discover the top 2 airlines that operate flights from Milwaukee to St. Louis. 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 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$161 | Average$320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$406 | FlexibilityNo cancel fee | On-time63% |