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Wisconsin

$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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MKE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:05 amSTL - ORD
Nonstop1h 35mUnited Airlines
Wed 12/318:10 pmORD - STL
Nonstop1h 33mUnited Airlines
Deal found 12/11$215
This Frontier deal was found by Cheapflights users on 12/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:42 amSTL - ORD
1 stop11h 42mFrontier
Wed 12/3111:23 amORD - STL
1 stop11h 10mFrontier
Deal found 12/11$232
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/255:00 amSTL - MSN
1 stop5h 08mAmerican Airlines
Mon 12/298:10 pmMSN - STL
1 stop3h 34mAmerican Airlines
Deal found 12/10$244
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:05 amSTL - ORD
1 stop7h 07mAmerican Airlines
Wed 12/3112:10 pmORD - STL
Nonstop1h 26mAmerican Airlines
Deal found 12/11$255
This Booking.com deal was found by Cheapflights users on 12/9. 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.
Mon 12/2910:40 amSTL - ORD
1 stop22h 22mFrontier
Wed 12/3111:23 amORD - STL
1 stop11h 10mFrontier
Deal found 12/9$256
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/316:30 amSTL - ORD
Nonstop1h 35mUnited Airlines
Sun 1/48:10 pmORD - STL
Nonstop1h 33mUnited Airlines
Deal found 12/9$277
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/314:53 pmSTL - ORD
Nonstop1h 44mAmerican Airlines
Sun 1/45:28 pmORD - STL
1 stop6h 27mAmerican Airlines
Deal found 12/9$287
This Trip.com deal was found by Cheapflights users on 12/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:43 pmSTL - MSP
1 stop28h 19mFrontier
Sun 12/216:45 amMSP - STL
1 stop27h 17mFrontier
Deal found 12/11$295
This Southwest deal was found by Cheapflights users on 12/9. 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 12/318:30 amSTL - ORD
1 stop3h 45mSouthwest
Sun 1/45:15 pmORD - STL
1 stop6h 50mSouthwest
Deal found 12/9$297
This Frontier deal was found by Cheapflights users on 12/9. 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 12/1212:07 pmSTL - ORD
1 stop8h 48mFrontier
Mon 12/152:26 pmORD - STL
1 stop8h 07mFrontier
Deal found 12/9$298
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:53 pmSTL - ORD
Nonstop1h 44mAmerican Airlines
Sat 1/108:50 amORD - STL
Nonstop1h 30mAmerican Airlines
Deal found 12/11$316
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/295:02 pmSTL - ORD
Nonstop1h 43mUnited Airlines
Wed 12/314:24 pmORD - STL
Nonstop1h 30mUnited Airlines
Deal found 12/9$317

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$117
(Delta)

One-way from

$59
(Southwest)

Popular in

February

Cheapest in

April

Average price

$447

Good round-trip deal

$421 or less
Provider with most accurate pricing for Lambert-St Louis-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Milwaukee-Mitchell flights.
Search Deals
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. 19% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Wisconsin.
Search Deals

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 December 12, 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. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Wed 1/7

11:23 am-1:11 pm

Nonstop1h 48m

Minneapolis St Paul

Wed 1/14

3:15 pm-4:45 pm

Nonstop1h 30m

$117

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Tue 1/6

8:20 pm-9:50 pm

Nonstop1h 30m

Minneapolis St Paul

Tue 1/13

7:45 am-9:35 am

Nonstop1h 50m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 1/20

8:05 am-9:40 am

Nonstop1h 35m

Chicago O'Hare Intl

Tue 1/20

9:25 pm-10:58 pm

Nonstop1h 33m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 1/28

11:20 am-12:55 pm

Nonstop1h 35m

Chicago O'Hare Intl

Wed 1/28

9:25 pm-10:58 pm

Nonstop1h 33m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 1/21

8:05 am-9:40 am

Nonstop1h 35m

Chicago O'Hare Intl

Thu 1/22

10:52 am-12:29 pm

Nonstop1h 37m

$144

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Tue 1/6

2:15 pm-9:15 pm

2 stops7h 00m

Minneapolis St Paul

Wed 1/7

7:20 am-6:45 pm

2 stops11h 25m

$153

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 1/7

5:00 pm-11:59 pm

1 stop6h 59m

Chicago O'Hare Intl

Wed 1/14

6:45 pm-11:25 pm

1 stop4h 40m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 1/20

7:10 am-1:40 pm

1 stop6h 30m

Chicago O'Hare Intl

Tue 1/20

6:45 pm-11:25 pm

1 stop4h 40m

$157

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Tue 1/6

5:55 pm-9:15 pm

1 stop3h 20m

Minneapolis St Paul

Mon 1/12

3:45 pm-9:00 pm

1 stop5h 15m

$164

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 1/21

8:15 am-12:15 pm

1 stop4h 00m

Chicago O'Hare Intl

Thu 1/22

2:15 pm-8:35 pm

1 stop6h 20m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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, April 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 December 12, 2025.

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 29% versus a flight at noon.

What is the cheapest day to fly from St. Louis to Wisconsin?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Wisconsin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Wisconsin flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 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
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

7.9

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

7.9

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
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

7.9

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
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

7.9

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
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

7.9

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?

    Delta, Southwest, and United Airlines can get you from St. Louis to Wisconsin in just under 1h 30m. Your travel time will be generally consistent. The distance between St. Louis and Wisconsin is about 448 mi. Most flights are nonstop.

  • 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 $391. On average you can expect to pay $447. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $117.

  • 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, April 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$159Average$422FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$187Average$362FlexibilityNo cancel feeOn-time63%
DeltaCheapest$200Average$323FlexibilityNo cancel feeOn-timeN/A

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