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$59+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — STL
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$131
(Kiwi.com)

One-way from

$59
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$320

Good round-trip deal

$331 or less

Good one-way deal

$199 or less
Provider with most accurate pricing for Milwaukee-Mitchell-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Lambert-St Louis flights.
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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. 18% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($21 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 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 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 2/85:22 pmMSP - STL
1 stop19h 28mFrontier
Sat 2/142:51 pmSTL - MSP
1 stop9h 06mFrontier
Deal found 1/6$131
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.
Tue 2/312:44 pmORD - STL
1 stop10h 49mMultiple Airlines
Wed 2/45:42 pmSTL - ORD
1 stop16h 59mMultiple Airlines
Deal found 1/7$132
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.
Sun 3/19:32 pmMSP - STL
1 stop15h 37mFrontier
Mon 3/98:12 pmSTL - MSP
1 stop21h 14mFrontier
Deal found 1/7$146
This Frontier deal was found by Cheapflights users on 1/8. 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.
Tue 3/314:18 pmORD - STL
1 stop7h 01mFrontier
Tue 4/710:42 amSTL - ORD
1 stop6h 30mFrontier
Deal found 1/8$149
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.
Thu 1/2911:51 amORD - STL
1 stop11h 42mMultiple Airlines
Mon 2/25:42 pmSTL - ORD
1 stop28h 02mMultiple Airlines
Deal found 1/7$150
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.
Fri 2/139:32 pmMSP - STL
1 stop16h 24mFrontier
Sat 2/212:51 pmSTL - MSP
1 stop18h 14mFrontier
Deal found 1/6$156
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.
Sun 1/252:42 pmORD - STL
1 stop16h 09mMultiple Airlines
Tue 1/275:42 pmSTL - ORD
1 stop19h 31mMultiple Airlines
Deal found 1/7$157
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.
Wed 2/1810:45 amMSP - STL
1 stop5h 08mFrontier
Sat 2/212:51 pmSTL - MSP
1 stop9h 06mFrontier
Deal found 1/6$160
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/210:48 amORD - STL
1 stop12h 45mMultiple Airlines
Wed 2/45:42 pmSTL - ORD
1 stop16h 59mMultiple Airlines
Deal found 1/8$163
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.
Fri 1/306:45 amMSP - STL
1 stop11h 59mFrontier
Mon 2/21:40 pmSTL - MSP
1 stop10h 17mFrontier
Deal found 1/7$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.
Wed 2/410:48 amORD - STL
1 stop12h 45mMultiple Airlines
Wed 2/118:17 pmSTL - ORD
1 stop26h 22mMultiple Airlines
Deal found 1/7$169
This Lucky2Go 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:42 pmORD - STL
1 stop16h 09mFrontier
Mon 2/28:22 pmSTL - ORD
1 stop22h 05mFrontier
Deal found 1/7$170

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 January 8, 2026.
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

Sun 1/25

2:42 pm-6:51 am

1 stop16h 09m

Lambert-St Louis

Tue 1/27

5:42 pm-1:13 pm

1 stop19h 31m

$157

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 2/3

1:00 pm-2:30 pm

Nonstop1h 30m

Lambert-St Louis

Tue 2/10

9:57 am-11:32 am

Nonstop1h 35m

$179

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 2/5

1:00 pm-2:30 pm

Nonstop1h 30m

Lambert-St Louis

Thu 2/12

6:30 am-8:03 am

Nonstop1h 33m

$181

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 2/10

1:58 pm-8:43 pm

1 stop6h 45m

Lambert-St Louis

Wed 2/11

11:23 am-5:55 pm

1 stop6h 32m

$199

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 2/3

11:15 am-4:07 pm

1 stop4h 52m

Lambert-St Louis

Tue 2/10

11:23 am-5:55 pm

1 stop6h 32m

$199

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 1/29

1:58 pm-8:43 pm

1 stop6h 45m

Lambert-St Louis

Mon 2/2

6:57 pm-11:56 pm

1 stop4h 59m

$202

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 2/3

3:50 pm-8:43 pm

1 stop4h 53m

Lambert-St Louis

Tue 2/10

6:10 am-7:46 am

Nonstop1h 36m

$217

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Wed 2/4

3:50 pm-8:43 pm

1 stop4h 53m

Lambert-St Louis

Wed 2/11

10:19 am-5:36 pm

1 stop7h 17m

$227

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 2/24

2:30 pm-10:05 pm

1 stop7h 35m

Lambert-St Louis

Tue 3/10

3:10 pm-10:55 pm

2 stops7h 45m

$232

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

Tue 2/10

7:45 am-9:35 am

Nonstop1h 50m

Lambert-St Louis

Thu 2/12

10:35 pm-12:05 am

Nonstop1h 30m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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, April is the cheapest month in which you can book a flight from Wisconsin to St. Louis (average of $156). Flying from Wisconsin to St. Louis in May is currently the most expensive (average of $262). 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 January 8, 2026.

When flying from Wisconsin to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 65% versus a flight at noon.

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 26 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, Delta, and Southwest fly from Wisconsin to St. Louis in about 1h 30m. The time it takes to get you to your destination can typically vary by up to 6h 05m. 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?

    $78 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 Southwest and American Airlines, with prices starting from $90 and $99, respectively.

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

    The most popular flight routes from Wisconsin to St. Louis are Chicago O'Hare Intl - Lambert-St Louis, Minneapolis St Paul - 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 $120. While the most popular route (Chicago O'Hare Intl - Lambert-St Louis) can be booked for $150 on average, our data indicates $312 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, April is the cheapest month in which you can book a flight from Wisconsin to St. Louis (average of $156). Flying from Wisconsin to St. Louis in May is currently the most expensive (average of $262). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Wisconsin to St. Louis

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$156Average$351FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$376FlexibilityNo cancel feeOn-time71%
DeltaCheapest$213Average$382FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$227Average$371FlexibilityNo cancel feeOn-time63%

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