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$49+ Cheap flights from St. Louis (STL) to Wisconsin

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MKE
oct. 25 — nov. 11
sáb. 10/25
sáb. 11/1
1 adult, Economy
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Cheap flight deals from St. Louis to Wisconsin

Keep the following information in mind while searching for St. Louis to Wisconsin flight deals. Data was last updated septiembre 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$97
(Southwest)

One-way from

$49
(Southwest)

Popular in

February

Cheapest in

April

Average price

$261

Good round-trip deal

$252 or less
Provider with most accurate pricing for Lambert-St Louis-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Milwaukee-Mitchell flights.
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From Lambert-St Louis to Wisconsin
Search Deals
One-way flight from Lambert-St Louis to Wisconsin
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Highest demand for flights based on searches. 19% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Wisconsin.
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Find flight deals from St. Louis to Wisconsin

Cheapest flights from St. Louis to Wisconsin
Explore the most affordable flight options available from St. Louis to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 25, 2025.

This Southwest deal was found by Cheapflights users on 9/23. 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.
mié. 10/225:35 amSTL - ORD
1 stop6h 15mSouthwest
mié. 10/221:30 pmORD - STL
1 stop5h 35mSouthwest
Deal found 9/23$97
This Southwest deal was found by Cheapflights users on 9/24. 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.
lun. 10/205:00 amSTL - ORD
1 stop5h 45mSouthwest
lun. 10/201:50 pmORD - STL
2 stops7h 35mSouthwest
Deal found 9/24$102
This Southwest deal was found by Cheapflights users on 9/24. 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.
mié. 10/226:55 amSTL - ORD
1 stop5h 50mSouthwest
mié. 10/297:30 amORD - STL
2 stops10h 15mSouthwest
Deal found 9/24$108
This Southwest deal was found by Cheapflights users on 9/23. 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.
mar. 10/288:20 amSTL - ORD
2 stops8h 25mSouthwest
mié. 10/297:30 amORD - STL
2 stops10h 15mSouthwest
Deal found 9/23$113
This United Airlines deal was found by Cheapflights users on 9/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/83:19 pmSTL - ORD
Nonstop1h 23mUnited Airlines
sáb. 12/131:00 pmORD - STL
Nonstop1h 25mUnited Airlines
Deal found 9/24$124
This American Airlines deal was found by Cheapflights users on 9/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/167:16 amSTL - ORD
Nonstop1h 27mAmerican Airlines
sáb. 10/186:45 amORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 9/24$131
This United Airlines deal was found by Cheapflights users on 9/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/205:28 pmSTL - ORD
Nonstop1h 25mUnited Airlines
jue. 10/231:03 pmORD - STL
Nonstop1h 24mUnited Airlines
Deal found 9/24$135
This United Airlines deal was found by Cheapflights users on 9/23. 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.
mié. 10/225:00 amSTL - ORD
Nonstop1h 30mUnited Airlines
jue. 10/232:20 pmORD - STL
Nonstop1h 24mUnited Airlines
Deal found 9/23$137
This Priceline deal was found by Cheapflights users on 9/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/64:00 pmSTL - ORD
1 stop7h 39mFrontier
jue. 10/95:05 amORD - STL
1 stop5h 32mFrontier
Deal found 9/24$144
This Frontier deal was found by Cheapflights users on 9/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:41 pmSTL - ORD
1 stop17h 53mFrontier
lun. 10/2710:51 amORD - STL
1 stop22h 16mFrontier
Deal found 9/24$145
This American Airlines deal was found by Cheapflights users on 9/23. 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.
mié. 10/297:16 amSTL - ORD
Nonstop1h 27mAmerican Airlines
mar. 11/43:23 pmORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 9/23$152
This United Airlines deal was found by Cheapflights users on 9/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/165:00 amSTL - MKE
1 stop6h 26mUnited Airlines
mié. 10/225:00 amMKE - STL
1 stop5h 49mUnited Airlines
Deal found 9/25$159

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Wisconsin 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 septiembre 25, 2025.
Use the filters below to find and compare flights from St. Louis to Wisconsin that are best for you.

Fly from

St. Louis

Fly to

Wisconsin

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 10/28

8:20 am-4:45 pm

2 stops8h 25m

Chicago O'Hare Intl

mié. 10/29

1:30 pm-8:45 pm

1 stop7h 15m

$102

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mié. 10/29

6:55 am-12:45 pm

1 stop5h 50m

Chicago O'Hare Intl

mar. 11/4

1:45 pm-10:10 pm

1 stop8h 25m

$102

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

jue. 10/23

5:00 am-3:20 pm

1 stop10h 20m

Chicago O'Hare Intl

lun. 10/27

2:50 pm-8:30 pm

1 stop5h 40m

$102

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

lun. 12/8

3:19 pm-4:42 pm

Nonstop1h 23m

Chicago O'Hare Intl

sáb. 12/13

1:00 pm-2:25 pm

Nonstop1h 25m

$124

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 10/28

5:24 pm-6:47 pm

Nonstop1h 23m

Chicago O'Hare Intl

mié. 10/29

11:05 am-12:28 pm

Nonstop1h 23m

$137

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

mié. 2/18

9:35 am-4:40 pm

1 stop7h 05m

Milwaukee-Mitchell

lun. 2/23

6:50 pm-11:32 pm

1 stop4h 42m

$159

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

sáb. 10/25

9:20 am-10:50 am

Nonstop1h 30m

Chicago O'Hare Intl

sáb. 11/1

2:20 pm-3:46 pm

Nonstop1h 26m

$171

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

lun. 11/17

8:05 am-1:00 pm

1 stop4h 55m

Chicago O'Hare Intl

lun. 11/17

2:15 pm-9:35 pm

1 stop7h 20m

$174

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

vie. 11/7

2:12 pm-12:11 am

2 stops9h 59m

Chicago O'Hare Intl

vie. 11/14

5:11 am-4:01 pm

1 stop10h 50m

$175

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

jue. 10/23

5:00 am-11:26 am

1 stop6h 26m

Milwaukee-Mitchell

sáb. 10/25

7:00 am-12:28 pm

1 stop5h 28m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 60 results
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Best time to book a flight from St. Louis to Wisconsin

Have a flexible travel schedule? Discover the best time to fly to Wisconsin from St. Louis with our price prediction graph.
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 Wisconsin

What is the cheapest month to book a flight from St. Louis to Wisconsin?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Wisconsin (average of $280). Flying from St. Louis to Wisconsin in June is currently the most expensive (average of $376). 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 WI?

Find hourly flight availability from St. Louis to Wisconsin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 25, 2025.

When flying from St. Louis to Wisconsin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Wisconsin

Get insights into the airlines that provide service to Wisconsin. 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 Wisconsin. Reviews last updated septiembre 25, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from St. Louis to Wisconsin by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Wisconsin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Wisconsin?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Wisconsin. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How popular is this St. Louis to Wisconsin flight route?

    The Lambert-St Louis to Wisconsin flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from St. Louis to Wisconsin?

    Southwest, United Airlines, and American Airlines can get you from St. Louis to Wisconsin in just under 1h 23m. Your travel time can differ by up to 7h 02m. The distance between St. Louis and Wisconsin is about 258 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from St. Louis to Wisconsin one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from St. Louis to Wisconsin for a low price.

  • What are the most popular routes from St. Louis to Wisconsin?

    The most popular flight routes from St. Louis to Wisconsin are Lambert-St Louis - Minneapolis St Paul, Lambert-St Louis - Chicago O'Hare Intl and Lambert-St Louis - Green Bay Austin-Straubel.

  • What are the cheapest flights from St. Louis to Wisconsin?

    The cheapest flight price from St. Louis to Wisconsin is $177. On average you can expect to pay $263. The most popular route, (Lambert-St Louis - Minneapolis St Paul), can usually be booked for $185.

  • Can I find deals for flights from St. Louis to Wisconsin that include hotel bookings?

    Yes. In addition to deals on St. Louis to Wisconsin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Wisconsin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Wisconsin.

  • Can I find deals for business class flights from St. Louis to Wisconsin?

    Yes. Cheapflights offers flight deals from St. Louis to Wisconsin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Wisconsin?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Wisconsin (average of $280). Flying from St. Louis to Wisconsin in June is currently the most expensive (average of $376). 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.

See more FAQs

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Alternative routes for St. Louis to Wisconsin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Wisconsin

Discover the top 4 airlines that operate flights from St. Louis to Wisconsin. 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 septiembre 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$432FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$378FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$199Average$331FlexibilityNo cancel feeOn-time63%
DeltaCheapest$200Average$300FlexibilityNo cancel feeOn-timeN/A

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