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St. Louis

$51+ Cheap flights from Wisconsin to St. Louis (STL)

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Wisconsin to St. Louis

Keep the following information in mind while searching for Wisconsin to St. Louis flight deals. Data was last updated September 11, 2025.

Round-trip from

$101
(United Airlines)

One-way from

$51
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$318

Good round-trip deal

$286 or less

Good one-way deal

$173 or less
From Wisconsin to Lambert-St Louis
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One-way flight from Wisconsin to Lambert-St Louis
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Highest demand for flights based on searches. 22% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Wisconsin to Lambert-St Louis.
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Price to beat on a one-way flight from Wisconsin to Lambert-St Louis.
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Find flight deals from Wisconsin to St. Louis

Cheapest flights from Wisconsin to St. Louis
Explore the most affordable flight options available from Wisconsin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/19:25 amORD - STL
Nonstop1h 24mUnited Airlines
Sat 10/48:00 amSTL - ORD
Nonstop1h 30mUnited Airlines
Deal found 9/11$101
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/2110:34 pmORD - STL
Nonstop1h 20mAmerican Airlines
Fri 10/246:00 amSTL - ORD
Nonstop1h 23mAmerican Airlines
Deal found 9/10$117
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/48:00 amORD - STL
Nonstop1h 26mAmerican Airlines
Sun 10/56:05 amSTL - ORD
Nonstop1h 20mAmerican Airlines
Deal found 9/10$118
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/18:31 pmORD - STL
Nonstop1h 22mAmerican Airlines
Thu 10/26:05 amSTL - ORD
Nonstop1h 20mAmerican Airlines
Deal found 9/10$120
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/211:01 amORD - STL
Nonstop1h 27mUnited Airlines
Sun 10/59:20 amSTL - ORD
Nonstop1h 30mUnited Airlines
Deal found 9/11$133
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:42 amORD - STL
1 stop22h 24mFrontier
Sat 10/47:55 pmSTL - ORD
1 stop13h 42mFrontier
Deal found 9/10$134
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:00 amMSP - STL
Nonstop1h 29mSun Country Air
Sun 10/510:14 amSTL - MSP
Nonstop1h 34mSun Country Air
Deal found 9/10$137
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:50 amMSP - STL
1 stop25h 17mFrontier
Sat 11/157:45 pmSTL - MSP
1 stop13h 35mFrontier
Deal found 9/10$139
This eDestinos deal was found by Cheapflights users on 9/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:20 amORD - STL
1 stop25h 46mFrontier
Thu 10/27:55 pmSTL - ORD
1 stop28h 04mFrontier
Deal found 9/10$139
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:15 amMSP - STL
1 stop22h 52mFrontier
Sun 11/27:45 pmSTL - MSP
1 stop13h 35mFrontier
Deal found 9/10$141
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:50 amMSP - STL
1 stop25h 17mFrontier
Tue 11/117:45 pmSTL - MSP
1 stop28h 29mFrontier
Deal found 9/9$145
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:42 amORD - STL
1 stop22h 24mFrontier
Mon 10/64:00 pmSTL - ORD
1 stop7h 39mFrontier
Deal found 9/9$145

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin to St. Louis 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 September 11, 2025.
Use the filters below to find and compare flights from Wisconsin to St. Louis that are best for you.

Fly from

Wisconsin

Fly to

St. Louis

Route

Depart

Return

Price

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 11/5

2:23 pm-3:49 pm

Nonstop1h 26m

Lambert-St Louis

Sat 11/8

5:24 pm-6:47 pm

Nonstop1h 23m

$101

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 10/1

1:03 pm-2:27 pm

Nonstop1h 24m

Lambert-St Louis

Sat 10/4

5:28 pm-6:53 pm

Nonstop1h 25m

$101

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 10/22

6:53 pm-8:26 pm

Nonstop1h 33m

Lambert-St Louis

Fri 10/24

6:00 am-7:23 am

Nonstop1h 23m

$117

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 10/11

1:03 pm-2:27 pm

Nonstop1h 24m

Lambert-St Louis

Mon 10/13

5:28 pm-6:53 pm

Nonstop1h 25m

$117

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Fri 11/14

1:00 pm-2:25 pm

Nonstop1h 25m

Lambert-St Louis

Fri 11/14

6:43 pm-8:13 pm

Nonstop1h 30m

$133

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 10/2

1:10 pm-4:35 pm

1 stop3h 25m

Lambert-St Louis

Fri 10/3

9:20 am-4:19 pm

1 stop6h 59m

$150

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Fri 11/7

10:15 am-9:07 am

1 stop22h 52m

Lambert-St Louis

Sun 11/9

12:10 pm-11:31 am

1 stop23h 21m

$163

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 9/23

8:15 am-4:35 pm

1 stop8h 20m

Lambert-St Louis

Fri 9/26

9:20 am-4:19 pm

1 stop6h 59m

$165

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 10/22

1:10 pm-4:35 pm

1 stop3h 25m

Lambert-St Louis

Fri 10/24

9:20 am-4:19 pm

1 stop6h 59m

$165

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 10/2

1:10 pm-8:40 am

1 stop19h 30m

Lambert-St Louis

Sun 10/5

1:00 pm-7:24 am

1 stop18h 24m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Wisconsin to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Wisconsin 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 Wisconsin to St. Louis

What is the cheapest month to book a flight from Wisconsin to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Wisconsin to St. Louis (average of $311). Flying from Wisconsin to St. Louis in March is currently the most expensive (average of $356). 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 WI to STL?

Find hourly flight availability from Wisconsin to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Wisconsin to St. Louis as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Wisconsin to St. Louis. 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 into for flights to St. Louis from Wisconsin?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Wisconsin. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How popular is this Wisconsin to St. Louis flight route?

    The Wisconsin to Lambert-St Louis flight path was viewed by 29 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 Wisconsin to St. Louis?

    Airlines like United Airlines, American Airlines, and Frontier fly from Wisconsin to St. Louis in about 1h 26m. The time it takes to get you to your destination can typically vary by up to 21h 26m. The distance between Wisconsin and St. Louis 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 Wisconsin to St. Louis one-way?

    $51 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $84 and $88, respectively.

  • What are the most popular routes from Wisconsin to St. Louis?

    The most popular flight routes from Wisconsin to St. Louis are Minneapolis St Paul - Lambert-St Louis, Chicago O'Hare Intl - Lambert-St Louis and Milwaukee-Mitchell - Lambert-St Louis.

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

    Looking at all options, your cheapest flight can be booked for $113. While the most popular route (Minneapolis St Paul - Lambert-St Louis) can be booked for $137 on average, our data indicates $292 when flying from Wisconsin to St. Louis.

  • Can I find deals for flights from Wisconsin to St. Louis that include hotel bookings?

    Yes. In addition to deals on Wisconsin to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wisconsin to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to St. Louis.

  • Can I find deals for business class flights from Wisconsin to St. Louis?

    Yes. Cheapflights offers flight deals from Wisconsin to St. Louis 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 Wisconsin to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Wisconsin to St. Louis (average of $311). Flying from Wisconsin to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 4 airlines flying from Wisconsin to St. Louis

Discover the top 4 airlines that operate flights from Wisconsin to St. Louis. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$156Average$379FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$373FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$333FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$226Average$338FlexibilityNo cancel feeOn-time63%

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