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Cheap flights from Missouri to Montreal from $229

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Montreal departing on 4/8. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:51 am - 11:44 am
STL
-
YUL
4h 53m
1 stop
American Airlines Logo
2:32 pm - 8:30 am
YUL
-
STL
18h 58m
1 stop
$229American Airlines
Wed, Apr 8 - Wed, Apr 15
American Airlines Logo
8:00 am - 2:58 pm
STL
-
YUL
5h 58m
1 stop
American Airlines Logo
7:29 am - 1:22 pm
YUL
-
STL
6h 53m
1 stop
$238American Airlines
Sun, Apr 5 - Sun, Apr 12
American Airlines Logo
4:30 pm - 11:44 am
STL
-
YUL
18h 14m
1 stop
American Airlines Logo
12:30 pm - 10:17 pm
YUL
-
STL
10h 47m
1 stop
$307American Airlines
Tue, Apr 21 - Mon, Apr 27
American Airlines Logo
8:03 pm - 11:44 am
STL
-
YUL
14h 41m
1 stop
American Airlines Logo
12:30 pm - 10:19 pm
YUL
-
STL
10h 49m
1 stop
$316American Airlines
Wed, Apr 29 - Sun, May 3
Multiple Airlines Logo
12:15 pm - 4:28 pm
MCI
-
YUL
27h 13m
1 stop
Multiple Airlines Logo
4:25 pm - 11:09 am
YUL
-
MCI
19h 44m
1 stop
$365Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
12:15 pm - 4:28 pm
MCI
-
YUL
27h 13m
1 stop
Multiple Airlines Logo
8:00 am - 11:09 am
YUL
-
MCI
28h 09m
1 stop
$366Multiple Airlines
Thu, Apr 23 - Sun, Apr 26
Air Canada Logo
9:10 am - 6:55 pm
STL
-
YUL
8h 45m
1 stop
Air Canada Logo
6:10 am - 9:08 pm
YUL
-
STL
15h 58m
1 stop
$418Air Canada
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
8:56 am - 7:45 pm
JLN
-
YUL
9h 49m
2 stops
United Airlines Logo
6:10 am - 1:12 pm
YUL
-
JLN
8h 02m
1 stop
$419United Airlines
Thu, Apr 9 - Thu, Apr 16
United Airlines Logo
8:56 am - 6:55 pm
JLN
-
YUL
8h 59m
1 stop
United Airlines Logo
6:30 pm - 1:12 pm
YUL
-
JLN
19h 42m
1 stop
$503United Airlines
Thu, Apr 9 - Thu, Apr 16
WestJet Logo
3:22 pm - 11:57 pm
SGF
-
YUL
7h 35m
1 stop
WestJet Logo
7:00 am - 2:53 pm
YUL
-
SGF
8h 53m
1 stop
$709WestJet
Wed, May 20 - Tue, Jun 16

American Airlines flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

Our best American Airlines deals on Missouri to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
Apr 8
STL5:51 amLambert-St Louis
4h 53m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
Apr 15
YUL2:32 pmMontreal Pierre Elliott Trudeau Intl
18h 58m
1 stop
STL8:30 amLambert-St Louis
$229
American Airlines
Apr 5
STL8:00 amLambert-St Louis
5h 58m
1 stop
YUL2:58 pmMontreal Pierre Elliott Trudeau Intl
Apr 12
YUL7:29 amMontreal Pierre Elliott Trudeau Intl
6h 53m
1 stop
STL1:22 pmLambert-St Louis
$238
American Airlines
Apr 21
STL4:30 pmLambert-St Louis
18h 14m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
Apr 27
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
10h 47m
1 stop
STL10:17 pmLambert-St Louis
$307

Air Canada flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Missouri to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
Apr 7
STL9:10 amLambert-St Louis
8h 45m
1 stop
YUL6:55 pmMontreal Pierre Elliott Trudeau Intl
Apr 14
YUL6:10 amMontreal Pierre Elliott Trudeau Intl
15h 58m
1 stop
STL9:08 pmLambert-St Louis
$418
Air Canada
Jun 5
STL7:30 amLambert-St Louis
6h 51m
1 stop
YUL3:21 pmMontreal Pierre Elliott Trudeau Intl
Jun 5
YUL6:10 pmMontreal Pierre Elliott Trudeau Intl
2h 55m
STL8:05 pmLambert-St Louis
$563
Air Canada
May 4
STL1:00 pmLambert-St Louis
2h 35m
YUL4:35 pmMontreal Pierre Elliott Trudeau Intl
May 8
YUL6:10 pmMontreal Pierre Elliott Trudeau Intl
2h 55m
STL8:05 pmLambert-St Louis
$580

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport 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 23, 2026.
Use the filters below to find and compare flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/8

5:51 am-11:44 am

1 stop4h 53m

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

2:32 pm-8:30 am

1 stop18h 58m

$229

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 4/5

8:00 am-2:58 pm

1 stop5h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 4/12

7:29 am-1:22 pm

1 stop6h 53m

$238

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 4/21

4:30 pm-11:44 am

1 stop18h 14m

Montreal Pierre Elliott Trudeau Intl

Mon 4/27

12:30 pm-10:17 pm

1 stop10h 47m

$307

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/29

8:03 pm-11:44 am

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

Sun 5/3

12:30 pm-10:19 pm

1 stop10h 49m

$316

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 4/23

12:15 pm-4:28 pm

1 stop27h 13m

Montreal Pierre Elliott Trudeau Intl

Thu 4/30

4:25 pm-11:09 am

1 stop19h 44m

$365

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 4/23

12:15 pm-4:28 pm

1 stop27h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

8:00 am-11:09 am

1 stop28h 09m

$366

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 4/7

9:10 am-6:55 pm

1 stop8h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

6:10 am-9:08 pm

1 stop15h 58m

$418

JoplinMontreal

JLN - YUL

JLNYUL

Joplin

Thu 4/9

8:56 am-7:45 pm

2 stops9h 49m

Montreal Pierre Elliott Trudeau Intl

Thu 4/16

6:10 am-1:12 pm

1 stop8h 02m

$419

JoplinMontreal

JLN - YUL

JLNYUL

Joplin

Thu 4/9

8:56 am-6:55 pm

1 stop8h 59m

Montreal Pierre Elliott Trudeau Intl

Thu 4/16

6:30 pm-1:12 pm

1 stop19h 42m

$503

SpringfieldMontreal

SGF - YUL

SGFYUL

Springfield-Branson

Wed 5/20

3:22 pm-11:57 pm

1 stop7h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 6/16

7:00 am-2:53 pm

1 stop8h 53m

$709

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montreal from

How to get the cheapest flight ticket from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

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 Montreal Pierre Elliott Trudeau Intl Airport?

The month of May is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Missouri averaging around $576.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from Missouri to Montreal Pierre Elliott Trudeau Intl Airport is on a Monday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Monday will often find tickets for as low as $994. Flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $1,168. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

In the morning is the cheapest time of day to fly from Missouri to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $996. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,061.

What is the cheapest Missouri to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl for the best Missouri - Montreal Pierre Elliott Trudeau Intl flight prices

What cabin class options are available on Missouri to Montreal Pierre Elliott Trudeau Intl flights?

There are 3 cabin classes available to choose from on Missouri to Montreal Pierre Elliott Trudeau Intl 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 Missouri to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 18% on your flight if you consider stops on a Missouri to Montreal Pierre Elliott Trudeau Intl Airport flight.

Cheap Missouri to Montreal Pierre Elliott Trudeau Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

Best Price Found

$299

Fastest flight time

2h 32m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Missouri in the past 72 hours is $299. The best round-trip flight deal from Missouri to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $801.
The fastest flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 32m
Direct flights go from Missouri to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.

  • How many operators does momondo search for flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The travel and health documents required for your trip to Montreal Pierre Elliott Trudeau Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montreal Pierre Elliott Trudeau Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from Missouri to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $212Free CancellationRating
7.9
8,236 reviews
Search Delta flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights
Air CanadaPriceFrom $318Free CancellationRating
7.1
10,739 reviews
Search Air Canada flights
American AirlinesPriceFrom $348Free CancellationRating
7.2
11,339 reviews
Search American Airlines flights
WestJetPriceFrom $505Free CancellationRating
7.2
3,273 reviews
Search WestJet flights

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Dorval
Brossard
Longueuil
Trois-Rivières
Cornwall
Magog
Boucherville
Sherbrooke
Drummondville
Montebello
Saint-Jean-sur-Richelieu
Bromont
Saint-Sauveur
North Hatley
Sutton

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Montreal?

It is quick and easy to find Missouri to Montreal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montreal that suits you.

Can I find flights from Missouri to Montreal with flexible booking policies on momondo?

momondo does allow users to show only those flights to Montreal from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to Montreal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Montreal.

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

Yes momondo offers price alerts on flights to Montreal from Missouri. 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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