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Wisconsin

$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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MKE
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This American Airlines deal was found by Cheapflights users on 11/12. 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
Thu 1/17:07 amORD - STL
Nonstop1h 28mAmerican Airlines
Deal found 11/12$97
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Wed 12/316:00 amSTL - ORD
Nonstop1h 30mAmerican Airlines
Wed 1/77:50 pmORD - STL
Nonstop1h 25mAmerican Airlines
Deal found 11/11$107
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/165:40 pmSTL - ORD
Nonstop1h 40mAmerican Airlines
Thu 12/257:07 amORD - STL
Nonstop1h 28mAmerican Airlines
Deal found 11/12$108
This Frontier deal was found by Cheapflights users on 11/11. 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 12/412:04 pmSTL - ORD
1 stop5h 23mFrontier
Thu 12/119:53 pmORD - STL
1 stop13h 29mFrontier
Deal found 11/11$110
This Frontier deal was found by Cheapflights users on 11/11. 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 12/412:04 pmSTL - ORD
1 stop10h 20mFrontier
Mon 12/82:26 pmORD - STL
1 stop8h 07mFrontier
Deal found 11/11$111
This Frontier deal was found by Cheapflights users on 11/13. 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 12/412:04 pmSTL - ORD
1 stop10h 20mFrontier
Sat 12/62:26 pmORD - STL
1 stop18h 33mFrontier
Deal found 11/13$112
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/105:27 pmSTL - ORD
Nonstop1h 23mUnited Airlines
Wed 12/1710:50 amORD - STL
Nonstop1h 25mUnited Airlines
Deal found 11/12$117
This Frontier deal was found by Cheapflights users on 11/11. 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 12/412:04 pmSTL - ORD
1 stop5h 23mFrontier
Thu 12/49:53 pmORD - STL
1 stop13h 29mFrontier
Deal found 11/11$130
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
Fri 12/1210:42 amSTL - ORD
1 stop25h 12mFrontier
Mon 12/2212:39 pmORD - STL
1 stop21h 01mFrontier
Deal found 11/13$132
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/1510:47 amSTL - ORD
1 stop6h 40mFrontier
Mon 12/2212:39 pmORD - STL
1 stop21h 01mFrontier
Deal found 11/13$133
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Fri 11/217:43 pmSTL - MSP
1 stop13h 24mFrontier
Sun 11/2310:02 amMSP - STL
1 stop8h 56mFrontier
Deal found 11/12$134
This Southwest deal was found by Cheapflights users on 11/13. 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.
Tue 12/168:05 amSTL - ORD
1 stop4h 55mSouthwest
Tue 12/162:15 pmORD - STL
1 stop7h 20mSouthwest
Deal found 11/13$137

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(American Airlines)

One-way from

$49
(American Airlines)

Popular in

February

Cheapest in

April

Average price

$369

Good round-trip deal

$361 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. 16% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 13, 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

Wed 12/10

5:27 pm-6:50 pm

Nonstop1h 23m

Chicago O'Hare Intl

Wed 12/17

10:50 am-12:15 pm

Nonstop1h 25m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 12/9

10:00 am-11:29 am

Nonstop1h 29m

Chicago O'Hare Intl

Tue 12/16

10:50 am-12:15 pm

Nonstop1h 25m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 12/13

5:27 pm-6:50 pm

Nonstop1h 23m

Chicago O'Hare Intl

Wed 12/17

1:00 pm-2:25 pm

Nonstop1h 25m

$144

St. LouisMadison

STL - MSN

STLMSN

Lambert-St Louis

Sat 11/22

7:43 pm-11:40 am

1 stop15h 57m

Madison Truax Field

Tue 11/25

9:48 am-6:58 pm

1 stop9h 10m

$153

St. LouisMilwaukee

STL - MKE

STLMKE

Lambert-St Louis

Tue 12/9

2:38 pm-8:30 pm

1 stop5h 52m

Milwaukee-Mitchell

Tue 12/16

9:40 am-1:53 pm

1 stop4h 13m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 12/10

9:30 am-3:20 pm

1 stop5h 50m

Chicago O'Hare Intl

Wed 12/17

11:00 am-4:49 pm

1 stop5h 49m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sun 2/15

6:10 am-10:25 am

1 stop4h 15m

Chicago O'Hare Intl

Wed 2/18

9:52 am-2:49 pm

1 stop4h 57m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 2/24

6:00 am-1:39 pm

1 stop7h 39m

Chicago O'Hare Intl

Wed 2/25

2:03 pm-8:45 pm

1 stop6h 42m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 2/12

7:41 am-9:10 am

Nonstop1h 29m

Chicago O'Hare Intl

Sun 2/15

7:35 pm-9:00 pm

Nonstop1h 25m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 11/24

6:00 am-11:34 am

1 stop5h 34m

Chicago O'Hare Intl

Thu 11/27

5:23 am-9:59 am

1 stop4h 36m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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 $302). 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 November 13, 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 27% 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 November 13, 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
4,242 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

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
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

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
9,017 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

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
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

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?

    United Airlines, Frontier, and Delta can get you from St. Louis to Wisconsin in just under 1h 23m. Your travel time can differ by up to 14h 34m. 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 $59. However, be on the lookout for offers from Southwest and Delta, 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 $319. On average you can expect to pay $436. 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, 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 $302). 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$425FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$366FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$199Average$331FlexibilityNo cancel feeOn-time63%
DeltaCheapest$200Average$306FlexibilityNo cancel feeOn-timeN/A

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