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Cheap flights from Missouri to Montreal from $180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Montreal departing on 10/18. 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

Multiple Airlines Logo
12:20 pm - 4:28 pmSTL-YUL
27h 08m1 stop
Multiple Airlines Logo
4:35 pm - 8:45 amYUL-STL
17h 10m1 stop
$367Multiple Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Multiple Airlines Logo
7:15 pm - 5:28 pmSTL-YUL
21h 13m1 stop
Multiple Airlines Logo
5:10 pm - 10:12 amYUL-STL
18h 02m2 stops
$402Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
5:15 am - 2:20 pmMCI-YUL
8h 05m1 stop
Multiple Airlines Logo
7:00 am - 2:00 pmYUL-MCI
32h 00m2 stops
$409Multiple Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Multiple Airlines Logo
5:15 am - 12:30 amMCI-YUL
18h 15m1 stop
Multiple Airlines Logo
8:00 am - 11:08 amYUL-MCI
28h 08m1 stop
$410Multiple Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
American Airlines Logo
8:00 pm - 11:40 amSTL-YUL
14h 40m1 stop
American Airlines Logo
5:24 pm - 9:09 amYUL-STL
16h 45m1 stop
$419American Airlines
Find Deal
Sat, Oct 18 - Fri, Oct 24
American Airlines Logo
6:00 am - 4:39 pmSTL-YUL
9h 39m1 stop
American Airlines Logo
7:50 am - 6:11 pmYUL-STL
11h 21m2 stops
$429American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
United Airlines Logo
6:43 pm - 7:40 pmSTL-YUL
23h 57m1 stop
United Airlines Logo
9:15 am - 10:45 pmYUL-STL
14h 30m2 stops
$531United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
United Airlines Logo
10:00 am - 8:45 amSTL-YUL
21h 45m2 stops
United Airlines Logo
9:15 am - 10:45 pmYUL-STL
14h 30m2 stops
$537United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Delta Logo
9:31 am - 6:40 pmSTL-YUL
8h 09m1 stop
Delta Logo
9:26 am - 8:46 pmYUL-STL
12h 20m2 stops
$569Delta
Find Deal
Tue, Nov 4 - Tue, Nov 18
Delta Logo
1:35 pm - 8:37 amSTL-YUL
18h 02m1 stop
Delta Logo
9:28 am - 8:08 pmYUL-STL
11h 40m1 stop
$576Delta
Find Deal
Sat, Oct 11 - Wed, Oct 15

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
Oct 18
STL8:00 pmLambert-St Louis
14h 40m
1 stop
YUL11:40 amMontreal Pierre Elliott Trudeau Intl
Oct 24
YUL5:24 pmMontreal Pierre Elliott Trudeau Intl
16h 45m
1 stop
STL9:09 amLambert-St Louis
$419
Find similar
American Airlines
Oct 18
STL6:00 amLambert-St Louis
9h 39m
1 stop
YUL4:39 pmMontreal Pierre Elliott Trudeau Intl
Oct 25
YUL7:50 amMontreal Pierre Elliott Trudeau Intl
11h 21m
2 stops
STL6:11 pmLambert-St Louis
$429
Find similar
American Airlines
Nov 1
STL9:58 amLambert-St Louis
11h 57m
2 stops
YUL10:55 pmMontreal Pierre Elliott Trudeau Intl
Nov 8
YUL7:14 amMontreal Pierre Elliott Trudeau Intl
13h 13m
2 stops
STL7:27 pmLambert-St Louis
$431
Find similar

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

Our best United Airlines deals on Missouri to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
United Airlines
Nov 1
STL6:43 pmLambert-St Louis
23h 57m
1 stop
YUL7:40 pmMontreal Pierre Elliott Trudeau Intl
Nov 8
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
14h 30m
2 stops
STL10:45 pmLambert-St Louis
$531
Find similar
United Airlines
Nov 1
STL10:00 amLambert-St Louis
21h 45m
2 stops
YUL8:45 amMontreal Pierre Elliott Trudeau Intl
Nov 8
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
14h 30m
2 stops
STL10:45 pmLambert-St Louis
$537
Find similar
United Airlines
Nov 1
STL6:43 pmLambert-St Louis
15h 37m
1 stop
YUL11:20 amMontreal Pierre Elliott Trudeau Intl
Nov 8
YUL9:25 amMontreal Pierre Elliott Trudeau Intl
9h 14m
1 stop
STL5:39 pmLambert-St Louis
$552
Find similar

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 September 18, 2025.
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

Thu 12/4

12:20 pm-4:28 pm

1 stop27h 08m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

4:35 pm-8:45 am

1 stop17h 10m

$367

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 11/1

7:15 pm-5:28 pm

1 stop21h 13m

Montreal Pierre Elliott Trudeau Intl

Sat 11/8

5:10 pm-10:12 am

2 stops18h 02m

$402

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 10/4

5:15 am-2:20 pm

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

7:00 am-2:00 pm

2 stops32h 00m

$409

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sun 11/2

5:15 am-12:30 am

1 stop18h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 11/9

8:00 am-11:08 am

1 stop28h 08m

$410

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 10/18

8:00 pm-11:40 am

1 stop14h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

5:24 pm-9:09 am

1 stop16h 45m

$419

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 10/18

6:00 am-4:39 pm

1 stop9h 39m

Montreal Pierre Elliott Trudeau Intl

Sat 10/25

7:50 am-6:11 pm

2 stops11h 21m

$429

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 11/1

6:43 pm-7:40 pm

1 stop23h 57m

Montreal Pierre Elliott Trudeau Intl

Sat 11/8

9:15 am-10:45 pm

2 stops14h 30m

$531

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 11/1

10:00 am-8:45 am

2 stops21h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 11/8

9:15 am-10:45 pm

2 stops14h 30m

$537

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 11/4

9:31 am-6:40 pm

1 stop8h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 11/18

9:26 am-8:46 pm

2 stops12h 20m

$569

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 10/11

1:35 pm-8:37 am

1 stop18h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

9:28 am-8:08 pm

1 stop11h 40m

$576

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 July is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Missouri averaging around $356.

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 Tuesday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Tuesday will often find tickets for as low as $1,042. Flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $1,232. 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 evening 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 $282. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening 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 $1,114.

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 6% 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

$408

Fastest flight time

2h 30m

Direct flights

Mon, Tue, Wed, Thu and Sun
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Missouri in the past 72 hours is $408. The best round-trip flight deal from Missouri to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $704.
The fastest flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 30m
Direct flights go from Missouri to Montreal Pierre Elliott Trudeau Intl Airport on Monday, Tuesday, Wednesday, Thursday and Sunday. There are no airlines offering direct flights.
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
United AirlinesPriceFrom $141Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $187Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $255Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $348Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom $416Free CancellationRating
7.2
3,095 reviews
Search WestJet flights

Traveling to a place near Montreal?

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

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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