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$50+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MKE
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$120
(American Airlines)

One-way from

$50
(Cheapflightsfares)

Popular in

April

Cheapest in

May

Average price

$513

Good round-trip deal

$309 or less

Good one-way deal

$128 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
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Wisconsin.
Search Deals
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 febrero 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 5/136:00 amSTL - ORD
Nonstop1h 23mAmerican Airlines
jue. 5/1510:21 pmORD - STL
Nonstop1h 20mAmerican Airlines
Deal found 2/20$120
This eDestinos deal was found by Cheapflights users on 2/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
jue. 5/158:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 2/20$123
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
vie. 3/1411:00 amSTL - ORD
Nonstop1h 17mMultiple Airlines
lun. 3/178:25 amORD - STL
1 stop11h 45mMultiple Airlines
Deal found 2/20$127
This Southwest deal was found by Cheapflights users on 2/20. 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. 5/135:20 amSTL - ORD
2 stops8h 40mSouthwest
jue. 5/155:45 pmORD - STL
1 stop5h 00mSouthwest
Deal found 2/20$142
This Mytrip deal was found by Cheapflights users on 2/19. 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.
vie. 3/75:24 pmSTL - MKE
1 stop18h 55mFrontier
mar. 3/111:19 pmMKE - STL
1 stop10h 30mFrontier
Deal found 2/19$149
This United Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 3/186:30 amSTL - ORD
Nonstop1h 31mUnited Airlines
jue. 3/201:01 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 2/20$163
This Mytrip deal was found by Cheapflights users on 2/19. 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.
dom. 3/236:30 amSTL - MSP
Nonstop1h 35mMultiple Airlines
lun. 4/74:27 pmMSP - STL
2 stops25h 25mMultiple Airlines
Deal found 2/19$181
This Delta deal was found by Cheapflights users on 2/19. 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.
vie. 4/410:30 amSTL - ORD
1 stop5h 41mDelta
sáb. 4/196:45 amORD - STL
2 stops10h 01mDelta
Deal found 2/19$182
This Delta deal was found by Cheapflights users on 2/20. 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.
sáb. 4/195:33 pmSTL - MSN
1 stop5h 29mDelta
mié. 4/236:20 amMSN - STL
1 stop4h 18mDelta
Deal found 2/20$199
This Booking.com deal was found by Cheapflights users on 2/18. 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.
dom. 3/235:24 pmSTL - MSP
1 stop15h 30mFrontier
lun. 4/72:42 pmMSP - STL
1 stop9h 04mFrontier
Deal found 2/18$200
This American Airlines deal was found by Cheapflights users on 2/19. 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.
vie. 4/1110:17 amSTL - MSN
1 stop4h 13mAmerican Airlines
sáb. 4/1212:10 pmMSN - STL
1 stop5h 52mAmerican Airlines
Deal found 2/19$214
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mar. 5/137:37 pmSTL - ORD
2 stops26h 51mSpirit Airlines
vie. 5/166:34 pmORD - STL
1 stop23h 58mSpirit Airlines
Deal found 2/19$218

Find flights from St. Louis to Wisconsin within your budget

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 febrero 20, 2025.

Fly from

St. Louis

Fly to

Wisconsin

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 5/13

6:00 am-7:23 am

Nonstop1h 23m

Chicago O'Hare Intl

jue. 5/15

10:21 pm-11:41 pm

Nonstop1h 20m

$120

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 5/13

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

jue. 5/15

8:25 am-8:10 pm

1 stop11h 45m

$123

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

vie. 3/14

11:00 am-12:17 pm

Nonstop1h 17m

Chicago O'Hare Intl

lun. 3/17

8:25 am-8:10 pm

1 stop11h 45m

$127

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 5/13

5:20 am-2:00 pm

2 stops8h 40m

Chicago O'Hare Intl

jue. 5/15

5:45 pm-10:45 pm

1 stop5h 00m

$142

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

vie. 3/7

5:24 pm-12:19 pm

1 stop18h 55m

Milwaukee-Mitchell

mar. 3/11

1:19 pm-11:49 pm

1 stop10h 30m

$149

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 3/18

6:30 am-8:01 am

Nonstop1h 31m

Chicago O'Hare Intl

jue. 3/20

1:01 pm-2:23 pm

Nonstop1h 22m

$163

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

dom. 3/23

6:30 am-8:05 am

Nonstop1h 35m

Minneapolis St Paul

lun. 4/7

4:27 pm-5:52 pm

2 stops25h 25m

$181

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

vie. 4/4

10:30 am-4:11 pm

1 stop5h 41m

Chicago O'Hare Intl

sáb. 4/19

6:45 am-4:46 pm

2 stops10h 01m

$182

St. LouisMadison

STL - MSN

STLMSN

Lambert-St Louis

sáb. 4/19

5:33 pm-11:02 pm

1 stop5h 29m

Madison Truax Field

mar. 4/22

6:20 am-10:38 am

1 stop4h 18m

$199

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

dom. 3/23

5:24 pm-8:54 am

1 stop15h 30m

Minneapolis St Paul

lun. 4/7

2:42 pm-11:46 pm

1 stop9h 04m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from St. Louis to Wisconsin

Get recent, data-driven insights about flights from St. Louis to Wisconsin including ideal travel times, pricing trends, and more.

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 febrero 20, 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 febrero 20, 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
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, with whom users have recently found tickets for as low as $50. However, be on the lookout for offers from Sun Country Air and American 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 - 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 $126. On average you can expect to pay $340. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $122.

  • 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$156Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$157Average$345FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$174Average$428FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$254Average$329FlexibilityNo cancel feeOn-time63%
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