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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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MKE
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$112
(American Airlines)

One-way from

$49
(United Airlines)

Popular in

February

Cheapest in

April

Average price

$350

Good round-trip deal

$253 or less

Good one-way deal

$119 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
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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 ($80 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 March 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Wisconsin.
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Price to beat on a one-way 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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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 4/1912:00 pmSTL - ORD
Nonstop1h 24mAmerican Airlines
Tue 4/294:45 pmORD - STL
Nonstop1h 17mAmerican Airlines
Deal found 3/27$112
This Southwest deal was found by Cheapflights users on 3/26. 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.
Wed 4/168:00 amSTL - ORD
1 stop6h 00mSouthwest
Wed 4/164:00 pmORD - STL
1 stop6h 10mSouthwest
Deal found 3/26$117
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2412:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Mon 4/288:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 3/27$136
This Priceline deal was found by Cheapflights users on 3/27. 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.
Sat 4/126:45 pmSTL - MSP
Nonstop1h 40mMultiple Airlines
Sun 4/132:42 pmMSP - STL
1 stop9h 04mMultiple Airlines
Deal found 3/27$158
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/305:45 amSTL - MKE
1 stop3h 39mAmerican Airlines
Fri 5/26:37 pmMKE - STL
1 stop3h 35mAmerican Airlines
Deal found 3/27$159
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:58 pmSTL - MSP
1 stop5h 37mFrontier
Sun 4/278:22 pmMSP - STL
1 stop13h 39mFrontier
Deal found 3/27$168
This Delta deal was found by Cheapflights users on 3/26. 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 4/211:41 pmSTL - MKE
1 stop6h 30mDelta
Fri 4/257:31 pmMKE - STL
1 stop4h 03mDelta
Deal found 3/26$177
This Delta deal was found by Cheapflights users on 3/27. 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 4/196:00 amSTL - ORD
2 stops6h 39mDelta
Tue 4/299:55 amORD - STL
1 stop6h 31mDelta
Deal found 3/27$182
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 5/53:43 pmSTL - MKE
1 stop5h 34mUnited Airlines
Thu 5/811:25 amMKE - STL
1 stop4h 22mUnited Airlines
Deal found 3/26$183
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:35 amSTL - MSP
1 stop10h 11mAmerican Airlines
Thu 5/17:00 amMSP - STL
1 stop7h 53mAmerican Airlines
Deal found 3/26$183
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:38 pmSTL - ORD
1 stop10h 30mMultiple Airlines
Mon 4/148:25 amORD - STL
1 stop11h 45mMultiple Airlines
Deal found 3/27$183
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:57 pmSTL - ORD
1 stop17h 43mFrontier
Tue 4/89:34 amORD - STL
1 stop14h 12mFrontier
Deal found 3/27$186

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 March 28, 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

Sat 4/19

12:00 pm-1:24 pm

Nonstop1h 24m

Chicago O'Hare Intl

Tue 4/29

4:45 pm-6:02 pm

Nonstop1h 17m

$112

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 4/16

8:00 am-2:00 pm

1 stop6h 00m

Chicago O'Hare Intl

Wed 4/16

4:00 pm-10:10 pm

1 stop6h 10m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 4/24

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

Mon 4/28

8:25 am-8:10 pm

1 stop11h 45m

$136

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Sat 4/12

6:45 pm-8:25 pm

Nonstop1h 40m

Minneapolis St Paul

Sun 4/13

2:42 pm-11:46 pm

1 stop9h 04m

$158

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 4/30

5:45 am-9:24 am

1 stop3h 39m

Milwaukee-Mitchell

Fri 5/2

6:37 pm-10:12 pm

1 stop3h 35m

$159

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Fri 4/25

6:58 pm-12:35 am

1 stop5h 37m

Minneapolis St Paul

Sun 4/27

8:22 pm-10:01 am

1 stop13h 39m

$168

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Mon 4/21

1:41 pm-8:11 pm

1 stop6h 30m

Milwaukee-Mitchell

Fri 4/25

7:31 pm-11:34 pm

1 stop4h 03m

$177

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 4/19

6:00 am-12:39 pm

2 stops6h 39m

Chicago O'Hare Intl

Tue 4/29

9:55 am-4:26 pm

1 stop6h 31m

$182

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Mon 5/5

3:43 pm-9:17 pm

1 stop5h 34m

Milwaukee-Mitchell

Thu 5/8

11:25 am-3:47 pm

1 stop4h 22m

$183

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 4/11

6:38 pm-5:08 am

1 stop10h 30m

Chicago O'Hare Intl

Mon 4/14

8:25 am-8:10 pm

1 stop11h 45m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 59 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 March 28, 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.

Rainfall in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Wisconsin ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Wisconsin when rainfall is around 1.4 in.

Temperature in Wisconsin by month

Plan your trip to Wisconsin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Wisconsin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 March 28, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from St. Louis to Wisconsin. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Sun Country Air and Southwest, 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 - Chicago O'Hare Intl, Lambert-St Louis - Minneapolis St Paul and Lambert-St Louis - Madison Truax Field.

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

    The cheapest flight price from St. Louis to Wisconsin is $119. On average you can expect to pay $204. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $97.

  • 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$283FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$347FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$407FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$253Average$329FlexibilityNo cancel feeOn-time63%
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