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$49+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — STL
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
1 adult, Economy
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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 noviembre 5, 2025.

This Southwest deal was found by Cheapflights users on 11/4. 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. 12/92:15 pmORD - STL
1 stop5h 45mSouthwest
mié. 12/108:25 amSTL - ORD
1 stop3h 50mSouthwest
Deal found 11/4$121
This Trip.com deal was found by Cheapflights users on 11/3. 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.
lun. 11/176:00 amORD - STL
1 stop27h 07mFrontier
jue. 11/203:14 pmSTL - ORD
1 stop8h 54mFrontier
Deal found 11/3$129
This Frontier deal was found by Cheapflights users on 11/4. 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.
sáb. 12/62:26 pmORD - STL
1 stop8h 07mFrontier
lun. 12/812:07 pmSTL - ORD
1 stop8h 10mFrontier
Deal found 11/4$130
This Frontier deal was found by Cheapflights users on 11/4. 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.
jue. 12/45:05 amORD - STL
1 stop6h 02mFrontier
lun. 12/810:47 amSTL - ORD
1 stop11h 37mFrontier
Deal found 11/4$131
This Mytrip deal was found by Cheapflights users on 11/4. 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. 11/186:05 pmORD - STL
1 stop15h 02mFrontier
mié. 11/197:24 pmSTL - ORD
1 stop21h 49mFrontier
Deal found 11/4$140
This Frontier deal was found by Cheapflights users on 11/3. 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.
jue. 11/135:25 amORD - STL
1 stop7h 52mFrontier
lun. 11/1712:09 pmSTL - ORD
1 stop12h 40mFrontier
Deal found 11/3$150
This American Airlines deal was found by Cheapflights users on 11/3. 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. 12/911:12 amORD - STL
Nonstop1h 32mAmerican Airlines
mar. 12/95:40 pmSTL - ORD
Nonstop1h 40mAmerican Airlines
Deal found 11/3$156
This Delta deal was found by Cheapflights users on 11/5. 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.
mié. 12/311:35 pmORD - STL
1 stop7h 06mDelta
mar. 1/136:35 amSTL - ORD
1 stop6h 32mDelta
Deal found 11/5$157
This American Airlines deal was found by Cheapflights users on 11/3. 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.
mié. 12/33:45 pmMKE - STL
1 stop7h 21mAmerican Airlines
mié. 12/1010:13 amSTL - MKE
1 stop4h 51mAmerican Airlines
Deal found 11/3$159
This Kiwi.com deal was found by Cheapflights users on 11/4. 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. 12/57:07 pmMSP - STL
1 stop15h 07mFrontier
lun. 12/87:43 pmSTL - MSP
1 stop26h 31mFrontier
Deal found 11/4$163
This United Airlines deal was found by Cheapflights users on 11/4. 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.
sáb. 12/68:10 pmORD - STL
Nonstop1h 30mUnited Airlines
lun. 12/86:42 pmSTL - ORD
Nonstop1h 30mUnited Airlines
Deal found 11/4$164
This American Airlines deal was found by Cheapflights users on 11/4. 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. 12/23:09 pmMKE - STL
1 stop7h 50mAmerican Airlines
mar. 12/91:43 pmSTL - MKE
1 stop3h 33mAmerican Airlines
Deal found 11/4$169

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 noviembre 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$121
(Southwest)

One-way from

$49
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$371

Good round-trip deal

$326 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for Milwaukee-Mitchell-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Lambert-St Louis flights.
Search Deals
From Wisconsin to Lambert-St Louis
Search Deals
One-way flight from Wisconsin to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($23 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 Wisconsin to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Wisconsin to Lambert-St Louis.
Search Deals

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 noviembre 5, 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

mié. 12/31

5:31 pm-11:38 pm

1 stop6h 07m

Lambert-St Louis

mar. 1/13

12:00 pm-4:43 pm

1 stop4h 43m

$157

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

jue. 12/4

10:50 am-12:15 pm

Nonstop1h 25m

Lambert-St Louis

dom. 12/7

5:27 pm-6:50 pm

Nonstop1h 23m

$162

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

sáb. 12/6

8:10 pm-9:40 pm

Nonstop1h 30m

Lambert-St Louis

lun. 12/8

6:42 pm-8:12 pm

Nonstop1h 30m

$164

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

mar. 12/30

9:10 pm-10:43 pm

Nonstop1h 33m

Lambert-St Louis

mar. 1/13

6:40 pm-8:23 pm

Nonstop1h 43m

$170

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

jue. 12/4

6:45 am-1:53 pm

1 stop7h 08m

Lambert-St Louis

dom. 12/7

7:02 pm-12:01 am

1 stop4h 59m

$174

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

jue. 12/18

6:45 am-1:53 pm

1 stop7h 08m

Lambert-St Louis

jue. 12/25

6:05 am-11:50 am

1 stop5h 45m

$174

MilwaukeeSt. Louis

MKE - STL

MKESTL

Milwaukee-Mitchell

jue. 12/11

6:10 am-12:34 pm

1 stop6h 24m

Lambert-St Louis

jue. 12/11

6:53 pm-12:01 am

1 stop5h 08m

$181

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

vie. 12/5

7:07 pm-10:14 am

1 stop15h 07m

Lambert-St Louis

lun. 12/8

12:07 pm-12:02 am

2 stops11h 55m

$188

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

jue. 2/12

5:15 pm-11:30 pm

1 stop6h 15m

Lambert-St Louis

sáb. 2/14

5:45 am-2:05 pm

1 stop8h 20m

$191

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

sáb. 12/6

6:00 am-4:19 pm

1 stop10h 19m

Lambert-St Louis

lun. 12/8

1:59 pm-11:59 pm

1 stop10h 00m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 $238). 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 noviembre 5, 2025.

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 evening, which can drop the price by up to 23% 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 32 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 Delta, United Airlines, and American Airlines fly from Wisconsin to St. Louis in about 1h 25m. The time it takes to get you to your destination can typically vary by up to 4h 59m. 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 American Airlines, with prices starting from $79 and $115, 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 $94. While the most popular route (Chicago O'Hare Intl - Lambert-St Louis) can be booked for $101 on average, our data indicates $323 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 $238). 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 noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$156Average$366FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$381FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$335FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$227Average$365FlexibilityNo cancel feeOn-time63%

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