What is the cheapest airline that flies from Missouri to Montreal Pierre Elliott Trudeau Intl?

Delta, American Airlines, and Air Canada are the most popular carriers operating from Missouri to Montreal Pierre Elliott Trudeau Intl

How long does it take to fly to Montreal Pierre Elliott Trudeau Intl Airport?

Flight times from Missouri to Montreal Pierre Elliott Trudeau Intl Airport vary, but if you’re flying out of St. Louis and flying into Montreal Pierre Elliott Trudeau Intl Airport (one of the most popular routes), then the duration is 2h 31m on average. Another popular route from Missouri to Montreal Pierre Elliott Trudeau Intl Airport is flying from Kansas City to Montreal Pierre Elliott Trudeau Intl Airport, which will take roughly 4h 30m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

American Airlines, Delta and Air Canada are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Missouri according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 5 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

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.

$223 Cheap Flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in 2026

Q: How many flights depart from Missouri to Montreal Pierre Elliott Trudeau Intl Airport on average per day?

2 flights are operational daily from Missouri to Montreal Pierre Elliott Trudeau Intl Airport as of May 2026. The most popular departure time for this route is 1:00PM, with 100% of flights per day taking off in the afternoon.

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 pm - 4:55 pm

STL

YUL

2h 35mnonstop

6:30 pm - 8:25 pm

YUL

STL

2h 55mnonstop

$473Air Canada

Sat, Jun 20 - Mon, Jun 22

1:05 pm - 4:40 pm

STL

YUL

2h 35mnonstop

6:30 pm - 8:25 pm

YUL

STL

2h 55mnonstop

$476Air Canada

Sat, Jun 13 - Mon, Jun 15

1:20 pm - 4:55 pm

STL

YUL

2h 35mnonstop

7:00 am - 12:21 pm

YUL

STL

6h 21m

1 stop

$482Air Canada

Sat, Jun 20 - Mon, Jun 22

8:40 am - 3:21 pm

STL

YUL

5h 41m

1 stop

6:30 pm - 8:25 pm

YUL

STL

2h 55mnonstop

$485Air Canada

Sat, Jun 13 - Mon, Jun 15

7:03 am - 4:51 pm

STL

YUL

8h 48m

1 stop

5:33 pm - 8:31 am

YUL

STL

15h 58m

1 stop

$518American Airlines

Tue, Jun 23 - Tue, Jun 30

7:30 am - 10:59 pm

STL

YUL

14h 29m

1 stop

12:30 pm - 12:16 am

YUL

STL

12h 46m

1 stop

$525American Airlines

Wed, Jun 10 - Wed, Jun 17

5:40 am - 6:53 pm

MCI

YUL

12h 13m

2 stops

9:28 am - 5:50 pm

YUL

MCI

9h 22m

1 stop

$664Delta

Wed, Sep 9 - Wed, Sep 16

6:30 am - 6:53 pm

MCI

YUL

11h 23m

2 stops

9:30 am - 5:34 pm

YUL

MCI

9h 04m

1 stop

$672Delta

Wed, Sep 23 - Wed, Sep 30

8:00 am - 9:26 pm

COU

YUL

12h 26m

1 stop

11:23 am - 11:33 pm

YUL

COU

13h 10m

2 stops

$752United Airlines

Tue, Jun 23 - Tue, Jun 30

8:00 am - 9:55 pm

COU

YUL

12h 55m

2 stops

6:00 am - 11:33 pm

YUL

COU

18h 33m

2 stops

$757United Airlines

Tue, Jun 23 - Tue, Jun 30

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

Jun 23

STL7:03 amLambert-St Louis

8h 48m

1 stop

YUL4:51 pmMontreal Pierre Elliott Trudeau Intl

Jun 30

YUL5:33 pmMontreal Pierre Elliott Trudeau Intl

15h 58m

1 stop

STL8:31 amLambert-St Louis

$518

American Airlines

Jun 10

STL7:30 amLambert-St Louis

14h 29m

1 stop

YUL10:59 pmMontreal Pierre Elliott Trudeau Intl

Jun 17

YUL12:30 pmMontreal Pierre Elliott Trudeau Intl

12h 46m

1 stop

STL12:16 amLambert-St Louis

$525

American Airlines

Aug 18

STL8:07 pmLambert-St Louis

14h 36m

1 stop

YUL11:43 amMontreal Pierre Elliott Trudeau Intl

Aug 22

YUL12:30 pmMontreal Pierre Elliott Trudeau Intl

12h 28m

1 stop

STL11:58 pmLambert-St Louis

$544

WestJet flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

Our best WestJet deals on Missouri to Montreal Pierre Elliott Trudeau Intl Airport flight tickets

WestJet

Jul 10

STL10:51 amLambert-St Louis

5h 51m

1 stop

YUL5:42 pmMontreal Pierre Elliott Trudeau Intl

Jul 12

YUL6:47 pmMontreal Pierre Elliott Trudeau Intl

6h 06m

1 stop

STL11:53 pmLambert-St Louis

$577

WestJet

Jun 8

STL6:00 amLambert-St Louis

16h 55m

1 stop

YUL11:55 pmMontreal Pierre Elliott Trudeau Intl

Jun 11

YUL6:00 amMontreal Pierre Elliott Trudeau Intl

4h 32m

1 stop

STL9:32 amLambert-St Louis

$583

WestJet

Jul 4

STL8:45 amLambert-St Louis

22h 54m

1 stop

YUL8:39 amMontreal Pierre Elliott Trudeau Intl

Jul 11

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

14h 37m

1 stop

STL8:37 pmLambert-St Louis

$585

momondo Fare Finder

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

Cheapest round-trip

Quickest round-trip

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 6/20

1:20 pm-4:55 pm

Nonstop2h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 6/22

6:30 pm-8:25 pm

Nonstop2h 55m

$473

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 6/13

1:05 pm-4:40 pm

Nonstop2h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 6/15

6:30 pm-8:25 pm

Nonstop2h 55m

$476

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 6/20

1:20 pm-4:55 pm

Nonstop2h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 6/22

7:00 am-12:21 pm

1 stop6h 21m

$482

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 6/13

8:40 am-3:21 pm

1 stop5h 41m

Montreal Pierre Elliott Trudeau Intl

Mon 6/15

6:30 pm-8:25 pm

Nonstop2h 55m

$485

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 6/23

7:03 am-4:51 pm

1 stop8h 48m

Montreal Pierre Elliott Trudeau Intl

Tue 6/30

5:33 pm-8:31 am

1 stop15h 58m

$518

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 6/10

7:30 am-10:59 pm

1 stop14h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 6/17

12:30 pm-12:16 am

1 stop12h 46m

$525

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 9/9

5:40 am-6:53 pm

2 stops12h 13m

Montreal Pierre Elliott Trudeau Intl

Wed 9/16

9:28 am-5:50 pm

1 stop9h 22m

$664

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 9/23

6:30 am-6:53 pm

2 stops11h 23m

Montreal Pierre Elliott Trudeau Intl

Wed 9/30

9:30 am-5:34 pm

1 stop9h 04m

$672

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Tue 6/23

8:00 am-9:26 pm

1 stop12h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 6/30

11:23 am-11:33 pm

2 stops13h 10m

$752

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Tue 6/23

8:00 am-9:55 pm

2 stops12h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 6/30

6:00 am-11:33 pm

2 stops18h 33m

$757

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 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

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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 $304.

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 $911. Flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $1,182. 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?

At noon 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 $983. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $1,010.

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 Airport flights?

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

No. A direct flight is the cheapest option for a flight between Missouri to Montreal Pierre Elliott Trudeau Intl Airport.

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	$359
Fastest flight time	2h 31m
Direct flights	Every day

The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Missouri in the past 72 hours is $359. The best round-trip flight deal from Missouri to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $1,001.

The fastest flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport takes 2h 31m

Direct flights go from Missouri to Montreal Pierre Elliott Trudeau Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

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?
The number of operators available for flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport is 5 as of May 2026.
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?
Based on momondo bookings for flights between Missouri and Montreal Pierre Elliott Trudeau Intl Airport, the leading plane model is Boeing 787-8 Dreamliner, making up 40.26% of the total bookings. Other popular models include Airbus A220-300 with 25.97%, Canadair (Bombardier) Regional Jet 900 with 14.29%, and Airbus A330-300 with 3.90%.

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
Air Canada	PriceFrom $257	Free Cancellation	Rating 7.1 11,092 reviews	Search Air Canada flights
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 9,749 reviews	Search United Airlines flights
Delta	PriceFrom $315	Free Cancellation	Rating 7.9 8,425 reviews	Search Delta flights
American Airlines	PriceFrom $348	Free Cancellation	Rating 7.1 11,639 reviews	Search American Airlines flights
WestJet	PriceFrom $631	Free Cancellation	Rating 7.2 3,347 reviews	Search WestJet flights

Laval

Dorval

Longueuil

Brossard

Trois-Rivières

Cornwall

Saint-Sauveur

Sherbrooke

Boucherville

Magog

Drummondville

Montebello

Saint-Jean-sur-Richelieu

Bromont

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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Cheap flights from Missouri to Montreal from $223

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 7/10. 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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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

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Our best WestJet deals on Missouri to Montreal Pierre Elliott Trudeau Intl Airport flight tickets

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

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

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

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

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

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

Can stopping save me money on Missouri to Montreal Pierre Elliott Trudeau Intl Airport flights?

What is the cheapest airline that flies from Missouri to Montreal Pierre Elliott Trudeau Intl?

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

How many flights depart from Missouri to Montreal Pierre Elliott Trudeau Intl Airport on average per day?

How many flights depart from Missouri to Montreal Pierre Elliott Trudeau Intl Airport on average per week?

How long does it take to fly to Montreal Pierre Elliott Trudeau Intl Airport?

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

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Frequently asked questions about flying 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

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