Cheap flights from Wisconsin to St. Louis from $46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wisconsin to St. Louis departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Wisconsin to St. Louis

Cheap round-trip flights

United Airlines Logo
12:55 pm - 2:19 pmORD-STL
1h 24mnonstop
United Airlines Logo
12:25 pm - 1:50 pmSTL-ORD
1h 25mnonstop
$91United Airlines
Find Deal
sáb., sep. 20 - sáb., oct. 4
American Airlines Logo
8:00 am - 9:26 amORD-STL
1h 26mnonstop
American Airlines Logo
7:23 am - 8:45 amSTL-ORD
1h 22mnonstop
$92American Airlines
Find Deal
sáb., sep. 20 - sáb., sep. 27
Sun Country Air Logo
10:15 am - 11:44 amMSP-STL
1h 29mnonstop
Sun Country Air Logo
5:10 pm - 6:48 pmSTL-MSP
1h 38mnonstop
$114Sun Country Air
Find Deal
vie., ago. 22 - dom., ago. 24
Sun Country Air Logo
9:48 am - 11:21 amMSP-STL
1h 33mnonstop
Sun Country Air Logo
2:00 pm - 3:38 pmSTL-MSP
1h 38mnonstop
$116Sun Country Air
Find Deal
vie., sep. 12 - dom., sep. 14
Southwest Logo
2:55 pm - 8:30 pmORD-STL
5h 35m1 stop
Southwest Logo
3:25 pm - 10:00 pmSTL-ORD
6h 35m1 stop
$123Southwest
Find Deal
sáb., sep. 20 - sáb., oct. 4
Southwest Logo
1:50 pm - 11:25 pmORD-STL
9h 35m1 stop
Southwest Logo
6:35 am - 12:45 pmSTL-ORD
6h 10m1 stop
$128Southwest
Find Deal
jue., sep. 18 - sáb., sep. 20
 Logo
8:00 pm - 9:32 pmORD-STL
1h 32mnonstop
 Logo
1:00 pm - 4:19 pmSTL-ORD
3h 19m1 stop
sáb., ago. 30 - lun., sep. 1
 Logo
8:00 am - 9:06 amMSP-STL
25h 06m1 stop
 Logo
7:00 am - 8:38 amSTL-MSP
1h 38mnonstop
mié., sep. 17 - dom., sep. 21
Southern / Mokulele Logo
8:15 am - 12:00 pmORD-STL
3h 45m1 stop
Southern / Mokulele Logo
5:15 pm - 8:39 pmSTL-ORD
3h 24m1 stop
$169Southern / Mokulele
Find Deal
vie., sep. 19 - dom., sep. 21
Southern / Mokulele Logo
8:15 am - 12:00 pmORD-STL
3h 45m1 stop
Southern / Mokulele Logo
9:20 am - 7:24 amSTL-ORD
22h 04m1 stop
$178Southern / Mokulele
Find Deal
dom., sep. 14 - mié., sep. 17

Southern / Mokulele flights from Wisconsin to St. Louis

Our best Southern / Mokulele deals on Wisconsin to St. Louis flight tickets
Southern / Mokulele
Sep 19
ORD8:15 amChicago O'Hare Intl
3h 45m
1 stop
STL12:00 pmLambert-St Louis
Sep 21
STL5:15 pmLambert-St Louis
3h 24m
1 stop
ORD8:39 pmChicago O'Hare Intl
Southern / Mokulele
Sep 14
ORD8:15 amChicago O'Hare Intl
3h 45m
1 stop
STL12:00 pmLambert-St Louis
Sep 17
STL9:20 amLambert-St Louis
22h 04m
1 stop
ORD7:24 amChicago O'Hare Intl
Southern / Mokulele
Oct 2
ORD1:10 pmChicago O'Hare Intl
3h 25m
1 stop
STL4:35 pmLambert-St Louis
Oct 5
STL5:15 pmLambert-St Louis
3h 24m
1 stop
ORD8:39 pmChicago O'Hare Intl

Frontier flights from Wisconsin to St. Louis

Our best Frontier deals on Wisconsin to St. Louis flight tickets
Frontier
Aug 30
MSP2:58 pmMinneapolis St Paul
18h 13m
1 stop
STL9:11 amLambert-St Louis
Sep 6
STL7:55 pmLambert-St Louis
28h 22m
1 stop
MSP12:17 amMinneapolis St Paul
Frontier
Sep 3
MSP8:00 amMinneapolis St Paul
25h 06m
1 stop
STL9:06 amLambert-St Louis
Sep 6
STL7:55 pmLambert-St Louis
28h 22m
1 stop
MSP12:17 amMinneapolis St Paul
Frontier
Aug 14
ORD5:01 amChicago O'Hare Intl
8h 33m
1 stop
STL1:34 pmLambert-St Louis
Aug 16
STL2:52 pmLambert-St Louis
8h 37m
1 stop
ORD11:29 pmChicago O'Hare Intl

momondo 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, momondo users made 832,500 searches. Data last updated agosto 7, 2025.
Use the filters below to find and compare flights from Wisconsin to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

sáb. 9/20

12:55 pm-2:19 pm

Nonstop1h 24m

Lambert-St Louis

sáb. 10/4

12:25 pm-1:50 pm

Nonstop1h 25m

$91

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

sáb. 9/20

8:00 am-9:26 am

Nonstop1h 26m

Lambert-St Louis

sáb. 9/27

7:23 am-8:45 am

Nonstop1h 22m

$92

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

vie. 8/22

10:15 am-11:44 am

Nonstop1h 29m

Lambert-St Louis

dom. 8/24

5:10 pm-6:48 pm

Nonstop1h 38m

$114

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

vie. 9/12

9:48 am-11:21 am

Nonstop1h 33m

Lambert-St Louis

dom. 9/14

2:00 pm-3:38 pm

Nonstop1h 38m

$116

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

sáb. 9/20

2:55 pm-8:30 pm

1 stop5h 35m

Lambert-St Louis

sáb. 10/4

3:25 pm-10:00 pm

1 stop6h 35m

$123

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

jue. 9/18

1:50 pm-11:25 pm

1 stop9h 35m

Lambert-St Louis

sáb. 9/20

6:35 am-12:45 pm

1 stop6h 10m

$128

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

sáb. 8/30

8:00 pm-9:32 pm

Nonstop1h 32m

Lambert-St Louis

lun. 9/1

1:00 pm-4:19 pm

1 stop3h 19m

$154

MinneapolisSt. Louis

MSP - STL

MSPSTL

Minneapolis St Paul

mié. 9/17

8:00 am-9:06 am

1 stop25h 06m

Lambert-St Louis

dom. 9/21

7:00 am-8:38 am

Nonstop1h 38m

$156

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

vie. 9/19

8:15 am-12:00 pm

1 stop3h 45m

Lambert-St Louis

dom. 9/21

5:15 pm-8:39 pm

1 stop3h 24m

$169

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

dom. 9/14

8:15 am-12:00 pm

1 stop3h 45m

Lambert-St Louis

mié. 9/17

9:20 am-7:24 am

1 stop22h 04m

$178

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

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

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

What is the cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from Wisconsin to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $270. The month of May is another great option to travel to St. Louis, with average flight prices from Wisconsin averaging around $292.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $348. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $417. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Wisconsin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $377 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $405 per ticket.

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

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

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

There are 1 cabin classes available to choose from on Wisconsin to Lambert-St Louis 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 Wisconsin to St. Louis flights?

You could potentially save up to 5% on your flight if you consider stops on a Wisconsin to St. Louis flight.

Cheap Wisconsin to St. Louis flight deals and tips

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

Best Price Found

$46

Fastest flight time

1h 15m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Wisconsin in the past 72 hours is $46. The best round-trip flight deal from Wisconsin to St. Louis found on momondo in the last 72 hours is $91.
The fastest flight from Wisconsin to St. Louis takes 1h 15m
Direct flights go from Wisconsin to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
  • When did momondo last update prices for flights from Wisconsin to Lambert-St Louis Airport?

    Prices for flights from Wisconsin to Lambert-St Louis Airport were last updated today.

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

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

    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 Wisconsin to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. 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 Wisconsin to St. Louis?

Best airlines flying from Wisconsin to St. Louis

Compare and see reviews for airlines that fly from Wisconsin to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $156Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $198Free CancellationRating
8.0
7,985 reviews
Search Delta flights
SouthwestPriceFrom $226Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
Fenton
O'Fallon
Collinsville
Alton
Wentzville
St. Peters
Farmington
Festus
Glencoe
Eureka
Edwardsville
Clayton
Litchfield
Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Wisconsin.

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

Yes. All flights to St. Louis from Wisconsin on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Wisconsin to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Wisconsin to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your St. Louis 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.
1 adult
mar. 8/12
mar. 8/19

Find better results for your trip to the United States