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Cheap flights from Winnipeg to St. Louis from $351

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Winnipeg to St. Louis departing on 3/11. 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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Find the cheapest flights from Winnipeg to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:20 pm - 11:25 pm
YWG
-
STL
6h 05m
1 stop
Delta Logo
6:29 am - 11:01 am
STL
-
YWG
4h 32m
1 stop
$351Delta
Wed, Mar 11 - Tue, Mar 17
Delta Logo
11:55 am - 5:05 pm
YWG
-
STL
5h 10m
1 stop
Delta Logo
6:29 am - 11:01 am
STL
-
YWG
4h 32m
1 stop
$352Delta
Wed, Mar 11 - Tue, Mar 17
Delta Logo
5:19 pm - 11:23 pm
YWG
-
STL
6h 04m
1 stop
Delta Logo
6:10 am - 11:01 am
STL
-
YWG
4h 51m
1 stop
$374Delta
Sun, Mar 1 - Wed, Mar 4
WestJet Logo
6:45 am - 11:23 pm
YWG
-
STL
16h 38m
2 stops
WestJet Logo
5:25 pm - 11:01 am
STL
-
YWG
17h 36m
1 stop
$382WestJet
Tue, Mar 3 - Tue, Mar 10
WestJet Logo
6:45 am - 5:05 pm
YWG
-
STL
10h 20m
2 stops
WestJet Logo
6:29 am - 11:01 am
STL
-
YWG
4h 32m
1 stop
$383WestJet
Wed, Mar 11 - Tue, Mar 17
WestJet Logo
6:45 am - 5:05 pm
YWG
-
STL
10h 20m
2 stops
WestJet Logo
10:50 am - 7:09 pm
STL
-
YWG
8h 19m
2 stops
$389WestJet
Wed, Mar 11 - Tue, Mar 17
Delta Logo
5:19 pm - 11:23 pm
YWG
-
STL
6h 04m
1 stop
Delta Logo
6:10 am - 11:01 am
STL
-
YWG
4h 51m
1 stop
$394Delta
Sun, Mar 1 - Wed, Mar 4
Delta Logo
5:19 pm - 11:23 pm
YWG
-
STL
6h 04m
1 stop
Delta Logo
6:10 am - 11:01 am
STL
-
YWG
4h 51m
1 stop
$395Delta
Sun, Mar 1 - Wed, Mar 4
WestJet Logo
5:00 am - 4:42 pm
YWG
-
STL
11h 42m
2 stops
WestJet Logo
11:23 am - 11:01 am
STL
-
YWG
23h 38m
1 stop
$406WestJet
Sun, Mar 1 - Wed, Mar 4
WestJet Logo
12:20 pm - 9:06 am
YWG
-
STL
20h 46m
2 stops
WestJet Logo
5:29 pm - 7:09 pm
STL
-
YWG
25h 40m
2 stops
$414WestJet
Sun, Mar 1 - Wed, Mar 4

WestJet flights from Winnipeg to St. Louis

Our best WestJet deals on Winnipeg to St. Louis flight tickets
WestJet
Mar 11
YWG6:45 amWinnipeg
10h 20m
2 stops
STL5:05 pmLambert-St Louis
Mar 17
STL6:29 amLambert-St Louis
4h 32m
1 stop
YWG11:01 amWinnipeg
$382
WestJet
Mar 11
YWG6:45 amWinnipeg
10h 20m
2 stops
STL5:05 pmLambert-St Louis
Mar 17
STL6:29 amLambert-St Louis
4h 32m
1 stop
YWG11:01 amWinnipeg
$383
WestJet
Mar 11
YWG6:45 amWinnipeg
10h 20m
2 stops
STL5:05 pmLambert-St Louis
Mar 17
STL10:50 amLambert-St Louis
8h 19m
2 stops
YWG7:09 pmWinnipeg
$389

American Airlines flights from Winnipeg to St. Louis

Our best American Airlines deals on Winnipeg to St. Louis flight tickets
American Airlines
Mar 24
YWG12:10 pmWinnipeg
21h 53m
2 stops
STL10:03 amLambert-St Louis
Mar 31
STL7:05 amLambert-St Louis
16h 30m
2 stops
YWG11:35 pmWinnipeg
$437
American Airlines
Mar 24
YWG12:10 pmWinnipeg
20h 45m
3 stops
STL8:55 amLambert-St Louis
Mar 31
STL7:05 amLambert-St Louis
16h 30m
2 stops
YWG11:35 pmWinnipeg
$597
American Airlines
Mar 24
YWG12:10 pmWinnipeg
20h 25m
3 stops
STL8:35 amLambert-St Louis
Mar 31
STL6:00 amLambert-St Louis
17h 35m
3 stops
YWG11:35 pmWinnipeg
$717

momondo Fare Finder

 
Customize your flight search to find flights from Winnipeg 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 February 7, 2026.
Use the filters below to find and compare flights from Winnipeg to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Wed 3/11

5:20 pm-11:25 pm

1 stop6h 05m

Lambert-St Louis

Tue 3/17

6:29 am-11:01 am

1 stop4h 32m

$351

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Wed 3/11

11:55 am-5:05 pm

1 stop5h 10m

Lambert-St Louis

Tue 3/17

6:29 am-11:01 am

1 stop4h 32m

$352

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Sun 3/1

5:19 pm-11:23 pm

1 stop6h 04m

Lambert-St Louis

Wed 3/4

6:10 am-11:01 am

1 stop4h 51m

$374

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Tue 3/3

6:45 am-11:23 pm

2 stops16h 38m

Lambert-St Louis

Tue 3/10

5:25 pm-11:01 am

1 stop17h 36m

$382

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Wed 3/11

6:45 am-5:05 pm

2 stops10h 20m

Lambert-St Louis

Tue 3/17

6:29 am-11:01 am

1 stop4h 32m

$383

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Wed 3/11

6:45 am-5:05 pm

2 stops10h 20m

Lambert-St Louis

Tue 3/17

10:50 am-7:09 pm

2 stops8h 19m

$389

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Sun 3/1

5:19 pm-11:23 pm

1 stop6h 04m

Lambert-St Louis

Wed 3/4

6:10 am-11:01 am

1 stop4h 51m

$394

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Sun 3/1

5:19 pm-11:23 pm

1 stop6h 04m

Lambert-St Louis

Wed 3/4

6:10 am-11:01 am

1 stop4h 51m

$395

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Sun 3/1

5:00 am-4:42 pm

2 stops11h 42m

Lambert-St Louis

Wed 3/4

11:23 am-11:01 am

1 stop23h 38m

$406

WinnipegSt. Louis

YWG - STL

YWGSTL

Winnipeg

Sun 3/1

12:20 pm-9:06 am

2 stops20h 46m

Lambert-St Louis

Wed 3/4

5:29 pm-7:09 pm

2 stops25h 40m

$414

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Winnipeg to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Winnipeg to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Winnipeg to St. Louis (YWG to STL) flight deals and tips

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

Fastest flight time

6h 05m

Direct flights

None
The fastest flight from Winnipeg to St. Louis takes 6h 05m
There are no direct flights from Winnipeg to St. Louis. There are no popular flight routes from Winnipeg to St. Louis.
Search flight deals

  • How far is Winnipeg to Lambert-St Louis by plane?

    There are 849.0 mi between Winnipeg and Lambert-St Louis. Flights usually cover this in 6h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Winnipeg Airport to Lambert-St Louis Airport are updated daily.

  • How old do you have to be to fly from Winnipeg Airport 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 Winnipeg Airport 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.

  • How do I get Price Alerts for flights from Winnipeg to St. Louis?

    Confirm your travel details to search for the latest offers for flights from Winnipeg to St. Louis. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Winnipeg to St. Louis with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near St. Louis?

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

Why use momondo?

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

Finding the right flight to St. Louis from Winnipeg is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Winnipeg to St. Louis flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Winnipeg. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Winnipeg 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

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