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$59+ 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MKE
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$134
(Kiwi.com)

One-way from

$59
(Cheapflightsfares)

Popular in

February

Cheapest in

April

Average price

$465

Good round-trip deal

$391 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 ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:09 amSTL - ORD
1 stop25h 32mMultiple Airlines
Tue 2/310:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/6$134
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/35:42 pmSTL - ORD
1 stop28h 02mMultiple Airlines
Tue 2/1012:44 pmORD - STL
1 stop9h 43mMultiple Airlines
Deal found 1/6$135
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:46 pmSTL - ORD
1 stop26h 45mFrontier
Wed 2/118:30 amORD - STL
1 stop13h 57mFrontier
Deal found 1/5$141
This Expedia deal was found by Cheapflights users on 1/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/183:49 pmSTL - MSP
1 stop27h 43mFrontier
Wed 2/2510:45 amMSP - STL
1 stop5h 08mFrontier
Deal found 1/7$142
This Frontier deal was found by Cheapflights users on 1/6. 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.
Sat 2/212:51 pmSTL - MSP
1 stop9h 06mFrontier
Wed 2/2510:45 amMSP - STL
1 stop5h 08mFrontier
Deal found 1/6$144
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/265:42 pmSTL - ORD
1 stop19h 31mMultiple Airlines
Wed 1/2810:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/5$152
This Frontier deal was found by Cheapflights users on 1/6. 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.
Thu 1/295:42 pmSTL - ORD
1 stop16h 53mFrontier
Mon 2/211:51 amORD - STL
1 stop11h 42mFrontier
Deal found 1/6$160
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:46 pmSTL - MSP
1 stop7h 13mFrontier
Sat 2/710:45 amMSP - STL
1 stop24h 33mFrontier
Deal found 1/6$164
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/255:42 pmSTL - ORD
2 stops24h 47mMultiple Airlines
Tue 1/2710:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/6$165
This Frontier deal was found by Cheapflights users on 1/6. 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.
Fri 2/201:59 pmSTL - MSP
1 stop9h 59mFrontier
Mon 2/2312:22 pmMSP - STL
1 stop7h 40mFrontier
Deal found 1/6$167
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:22 pmSTL - ORD
2 stops15h 00mMultiple Airlines
Wed 2/410:48 amORD - STL
1 stop12h 45mMultiple Airlines
Deal found 1/7$167
This Frontier deal was found by Cheapflights users on 1/7. 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.
Thu 1/225:42 pmSTL - ORD
1 stop16h 53mFrontier
Sun 1/2512:21 pmORD - STL
1 stop21h 00mFrontier
Deal found 1/7$168

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 January 8, 2026.
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. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Sat 2/21

2:51 pm-11:57 pm

1 stop9h 06m

Minneapolis St Paul

Wed 2/25

10:45 am-3:53 pm

1 stop5h 08m

$144

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 2/4

3:46 pm-6:31 pm

1 stop26h 45m

Chicago O'Hare Intl

Wed 2/11

6:02 pm-11:59 pm

2 stops29h 57m

$169

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 2/2

8:05 am-9:40 am

Nonstop1h 35m

Chicago O'Hare Intl

Wed 2/4

1:00 pm-2:30 pm

Nonstop1h 30m

$180

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Wed 2/18

3:49 pm-7:40 am

1 stop15h 51m

Milwaukee-Mitchell

Mon 2/23

8:11 pm-10:27 pm

1 stop26h 16m

$189

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 2/10

10:19 am-4:57 pm

1 stop6h 38m

Chicago O'Hare Intl

Wed 2/11

5:30 am-11:54 am

1 stop6h 24m

$199

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 3/10

6:29 am-1:17 pm

2 stops6h 48m

Chicago O'Hare Intl

Thu 3/12

6:00 am-11:48 am

1 stop5h 48m

$205

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Fri 2/20

1:59 pm-11:58 pm

1 stop9h 59m

Minneapolis St Paul

Mon 2/23

10:00 am-10:27 pm

2 stops36h 27m

$205

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Wed 2/18

6:10 am-7:46 am

Nonstop1h 36m

Minneapolis St Paul

Wed 2/25

3:15 pm-4:45 pm

Nonstop1h 30m

$207

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Wed 2/4

6:10 am-7:46 am

Nonstop1h 36m

Minneapolis St Paul

Wed 2/11

3:15 pm-4:45 pm

Nonstop1h 30m

$207

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 2/9

11:23 am-9:05 pm

2 stops9h 42m

Chicago O'Hare Intl

Wed 2/11

1:58 pm-11:25 pm

2 stops9h 27m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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, September is the cheapest month in which you can book a flight from St. Louis to Wisconsin (average of $166). Flying from St. Louis to Wisconsin in February is currently the most expensive (average of $304). 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 January 8, 2026.

When flying from St. Louis to Wisconsin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight at noon.

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 January 8, 2026.
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
4,248 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,025 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,139 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,095 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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?

    Frontier, United Airlines, and Delta can get you from St. Louis to Wisconsin in just under 1h 35m. Your travel time can differ by up to 7h 31m. 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 United Airlines, with whom users have recently found tickets for as low as $93. However, be on the lookout for offers from American Airlines 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 - Milwaukee-Mitchell.

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

    The cheapest flight price from St. Louis to Wisconsin is $333. On average you can expect to pay $412. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $134.

  • 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, September is the cheapest month in which you can book a flight from St. Louis to Wisconsin (average of $166). Flying from St. Louis to Wisconsin in February is currently the most expensive (average of $304). 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$397FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$372FlexibilityNo cancel feeOn-time63%
DeltaCheapest$200Average$323FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$389FlexibilityNo cancel feeOn-time69%

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