What is the cheapest airline that flies from Lambert-St Louis to Wisconsin?

Southwest, Delta, and United Airlines are the most popular carriers operating from Lambert-St Louis to Wisconsin

What airlines fly to Wisconsin?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Wisconsin from St. Louis according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Wisconsin. Keep in mind that there are 4 different airlines that fly to Wisconsin on a routine basis, so you have a few additional options to choose from.

How many flights depart from St. Louis to Wisconsin on average per day?

The number of flights available between St. Louis and Wisconsin is 58 per day as of April 2026. The most frequent departure time is 9:00PM, with 50% of daily flights leaving at noon.

How many flights depart from St. Louis to Wisconsin on average per week?

As of April 2026, 412 flights take off from St. Louis and land in Wisconsin each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.

When did momondo last update prices for flights from Lambert-St Louis Airport to Wisconsin?

Prices for flights from Lambert-St Louis Airport to Wisconsin refresh daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Wisconsin?

As of April 2026, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Wisconsin.

How old do you have to be to fly from Lambert-St Louis Airport to Wisconsin?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Wisconsin.

What documentation or ID do you need to fly to Wisconsin?

The travel and health documents you'll need for your trip to Wisconsin may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wisconsin. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$59 Cheap Flights from St. Louis to Wisconsin in 2026

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Find the cheapest flights from St. Louis to Wisconsin

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:23 pm - 1:59 pm

STL

MSP

1h 36mnonstop

3:18 pm - 4:50 pm

MSP

STL

1h 32mnonstop

$117Delta

Wed, Apr 29 - Wed, May 6

8:55 pm - 10:30 pm

STL

MSP

1h 35mnonstop

6:15 pm - 10:10 pm

MSP

STL

3h 55m

1 stop

$127Southwest

Tue, May 26 - Wed, May 27

4:59 pm - 9:39 am

STL

MSP

16h 40m

1 stop

9:49 am - 11:19 pm

MSP

STL

13h 30m

1 stop

$161Frontier

Thu, Apr 23 - Mon, Apr 27

3:21 pm - 12:59 am

STL

ORD

9h 38m

1 stop

8:58 pm - 3:21 pm

ORD

STL

18h 23m

1 stop

$171Frontier

Mon, Apr 20 - Fri, Apr 24

8:23 pm - 10:23 am

STL

ORD

14h 00m

1 stop

6:55 am - 8:55 am

ORD

STL

26h 00m

1 stop

$176Multiple Airlines

Wed, Apr 29 - Fri, May 8

3:21 pm - 8:05 am

STL

ORD

16h 44m

1 stop

6:08 pm - 6:50 am

ORD

STL

12h 42m

1 stop

$178Multiple Airlines

Mon, Apr 27 - Tue, Apr 28

6:30 am - 10:39 am

STL

DLH

4h 09m

1 stop

2:57 pm - 9:13 pm

DLH

STL

6h 16m

1 stop

$206United Airlines

Wed, Apr 29 - Wed, May 6

6:30 am - 10:39 am

STL

DLH

4h 09m

1 stop

6:44 pm - 10:56 pm

DLH

STL

4h 12m

1 stop

$280United Airlines

Tue, Apr 28 - Tue, May 5

6:54 pm - 11:54 pm

STL

MSN

5h 00m

1 stop

2:40 pm - 8:30 pm

MSN

STL

5h 50m

1 stop

$300American Airlines

Wed, May 20 - Wed, May 27

5:51 am - 9:12 am

STL

GRB

3h 21m

1 stop

2:55 pm - 11:44 pm

GRB

STL

8h 49m

2 stops

$305American Airlines

Wed, May 20 - Wed, May 27

Frontier flights from St. Louis to Wisconsin

Our best Frontier deals on St. Louis to Wisconsin flight tickets

Frontier

Apr 23

STL4:59 pmLambert-St Louis

16h 40m

1 stop

MSP9:39 amMinneapolis St Paul

Apr 27

MSP9:49 amMinneapolis St Paul

13h 30m

1 stop

STL11:19 pmLambert-St Louis

$161

Frontier

May 2

STL8:17 pmLambert-St Louis

13h 28m

1 stop

ORD9:45 amChicago O'Hare Intl

May 9

ORD5:30 pmChicago O'Hare Intl

6h 51m

1 stop

STL12:21 amLambert-St Louis

$171

Frontier

May 1

STL7:01 pmLambert-St Louis

5h 51m

1 stop

ORD12:52 amChicago O'Hare Intl

May 7

ORD6:50 amChicago O'Hare Intl

10h 04m

1 stop

STL4:54 pmLambert-St Louis

$180

Delta flights from St. Louis to Wisconsin

Our best Delta deals on St. Louis to Wisconsin flight tickets

Delta

Apr 29

STL12:23 pmLambert-St Louis

1h 36m

MSP1:59 pmMinneapolis St Paul

May 6

MSP3:18 pmMinneapolis St Paul

1h 32m

STL4:50 pmLambert-St Louis

$117

Delta

May 5

STL6:20 amLambert-St Louis

1h 35m

MSP7:55 amMinneapolis St Paul

May 9

MSP8:55 amMinneapolis St Paul

1h 37m

STL10:32 amLambert-St Louis

$154

Delta

Apr 28

STL6:48 amLambert-St Louis

3h 31m

1 stop

ORD10:19 amChicago O'Hare Intl

May 2

ORD5:59 pmChicago O'Hare Intl

5h 37m

1 stop

STL11:36 pmLambert-St Louis

$184

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Wed 4/29

12:23 pm-1:59 pm

Nonstop1h 36m

Minneapolis St Paul

Wed 5/6

3:18 pm-4:50 pm

Nonstop1h 32m

$117

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Tue 5/26

8:55 pm-10:30 pm

Nonstop1h 35m

Minneapolis St Paul

Wed 5/27

6:15 pm-10:10 pm

1 stop3h 55m

$127

St. LouisMinneapolis

STL - MSP

STLMSP

Lambert-St Louis

Thu 4/23

4:59 pm-9:39 am

1 stop16h 40m

Minneapolis St Paul

Mon 4/27

9:49 am-11:19 pm

1 stop13h 30m

$161

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 4/20

3:21 pm-12:59 am

1 stop9h 38m

Chicago O'Hare Intl

Fri 4/24

8:58 pm-3:21 pm

1 stop18h 23m

$171

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 4/29

8:23 pm-10:23 am

1 stop14h 00m

Chicago O'Hare Intl

Fri 5/8

6:55 am-8:55 am

1 stop26h 00m

$176

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 4/27

3:21 pm-8:05 am

1 stop16h 44m

Chicago O'Hare Intl

Tue 4/28

6:08 pm-6:50 am

1 stop12h 42m

$178

St. LouisDuluth

STL - DLH

STLDLH

Lambert-St Louis

Wed 4/29

6:30 am-10:39 am

1 stop4h 09m

Duluth Intl

Wed 5/6

2:57 pm-9:13 pm

1 stop6h 16m

$206

St. LouisDuluth

STL - DLH

STLDLH

Lambert-St Louis

Tue 4/28

6:30 am-10:39 am

1 stop4h 09m

Duluth Intl

Tue 5/5

6:44 pm-10:56 pm

1 stop4h 12m

$280

St. LouisMadison

STL - MSN

STLMSN

Lambert-St Louis

Wed 5/20

6:54 pm-11:54 pm

1 stop5h 00m

Madison Truax Field

Wed 5/27

2:40 pm-8:30 pm

1 stop5h 50m

$300

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Wed 5/20

5:51 am-9:12 am

1 stop3h 21m

Green Bay Austin-Straubel

Wed 5/27

2:55 pm-11:44 pm

2 stops8h 49m

$305

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Wisconsin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Wisconsin?

If you aren’t able to travel during the month of October, then book flights to Wisconsin from St. Louis during September instead. Flights to Wisconsin in September, while not as cheap as those in October, still average around $266.

What is the cheapest day to depart on your flight to Wisconsin?

The cheapest day to depart from St. Louis to Wisconsin is on a Wednesday. Travelers who choose to depart for Wisconsin on a Wednesday will often find tickets for as low as $359. The most expensive day to fly to Wisconsin is Monday, with ticket prices averaging around $691.

What is the cheapest time of day to depart on your flight to Wisconsin?

Our most recent data shows that the best time of day to fly to Wisconsin is in the morning. Flights from St. Louis to Wisconsin during this time can be as low as $391. Flights in the evening are often more expensive with an average ticket price of $489.

What is the cheapest Lambert-St Louis to Wisconsin flight route?

Fly from Lambert-St Louis to Milwaukee-Mitchell for the best Lambert-St Louis - Wisconsin flight prices

What cabin class options are available on Lambert-St Louis to Wisconsin flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Wisconsin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Wisconsin flights?

You could potentially save up to 13% on your flight if you consider stops on a St. Louis to Wisconsin flight.

Cheap St. Louis to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Wisconsin

Best Price Found	$185
Fastest flight time	1h 10m
Direct flights	Every day
Airports in Wisconsin	80 airports

The best one-way flight to Wisconsin from St. Louis in the past 72 hours is $185. The best round-trip flight deal from St. Louis to Wisconsin found on momondo in the last 72 hours is $336.

The fastest flight from St. Louis to Wisconsin takes 1h 10m

Direct flights go from St. Louis to Wisconsin every day.

There are 80 airports in Wisconsin. From St. Louis there are direct flights to Chicago O'Hare Intl (ORD), Milwaukee-Mitchell (MKE), Minneapolis St Paul (MSP).

Search flight deals

Frequently asked questions about flying from St. Louis to Wisconsin

When did momondo last update prices for flights from Lambert-St Louis Airport to Wisconsin?
Prices for flights from Lambert-St Louis Airport to Wisconsin refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Wisconsin?
As of April 2026, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Wisconsin.
How old do you have to be to fly from Lambert-St Louis Airport to Wisconsin?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Wisconsin.
What documentation or ID do you need to fly to Wisconsin?
The travel and health documents you'll need for your trip to Wisconsin may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wisconsin. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Wisconsin?
Based on momondo bookings for flights between St. Louis and Wisconsin, the leading plane model is Boeing 737 MAX 8, making up 43.48% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 26.09%, Airbus A319 with 4.35%, and Canadair (Bombardier) Regional Jet CRJ-550 with 4.35%.

Best airlines flying from St. Louis to Wisconsin

Compare and see reviews for airlines that fly from St. Louis to Wisconsin with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 9,541 reviews	Search United Airlines flights
American Airlines	PriceFrom $181	Free Cancellation	Rating 7.1 11,555 reviews	Search American Airlines flights
Delta	PriceFrom $200	Free Cancellation	Rating 7.9 8,383 reviews	Search Delta flights
Southwest	PriceFrom $236	Free Cancellation	Rating 8.0 4,343 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Wisconsin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Wisconsin for you.

Can I find flights from St. Louis to Wisconsin with flexible booking policies on momondo?

Flights from St. Louis to Wisconsin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Wisconsin?

Once all potential St. Louis to Wisconsin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Wisconsin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Wisconsin from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular cities in Wisconsin

Flights to New Yorkfrom $55

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Flights to San Franciscofrom $56

Flights to Las Vegasfrom $40

Flights to Washington, D.C.from $56

Flights to Bostonfrom $65

Flights to Atlantafrom $48

Flights to Dallasfrom $57

Flights to Fort Lauderdalefrom $47

Cheap flights from St. Louis to Wisconsin from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Wisconsin departing on 6/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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See travel insights to Wisconsin from

How to get the cheapest flight ticket from St. Louis to Wisconsin

What is the cheapest month to fly to Wisconsin?

What is the cheapest day to depart on your flight to Wisconsin?

What is the cheapest time of day to depart on your flight to Wisconsin?

What is the cheapest Lambert-St Louis to Wisconsin flight route?

What cabin class options are available on Lambert-St Louis to Wisconsin flights?

Can stopping save me money on St. Louis to Wisconsin flights?

What is the cheapest airline that flies from Lambert-St Louis to Wisconsin?

What airlines fly to Wisconsin?

How many flights depart from St. Louis to Wisconsin on average per day?

How many flights depart from St. Louis to Wisconsin on average per week?

Cheap St. Louis to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Wisconsin

Best Price Found

Fastest flight time

Direct flights

Airports in Wisconsin

Frequently asked questions about flying from St. Louis to Wisconsin

Best airlines flying from St. Louis to Wisconsin

Compare and see reviews for airlines that fly from St. Louis to Wisconsin with momondo

Why use momondo?

An easier way to manage your Wisconsin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Wisconsin

Popular cities in Wisconsin

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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