How many flights depart from St. Louis to Montreal on average per day?

As of September 2026, there are 1 flights per day flying from St. Louis to Montreal. The most common time of day flights depart is 12:00p.m., with 100% of flights taking off in the afternoon.

What is the cheapest airline that flies from Lambert-St Louis to Montreal?

United Airlines and Delta are the most popular carriers operating from Lambert-St Louis to Montreal

How many flights depart from St. Louis to Montreal on average per week?

9 flights are operational weekly from St. Louis to Montreal as of September 2026. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

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

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

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

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 Lambert-St Louis Airport to Montreal.

What documentation or ID do you need to fly to Montreal?

The necessary travel and health documents for your Montreal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 232 Cheap Flights from St. Louis to Montreal in 2026

Find the cheapest flights from St. Louis to Montreal

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:23 p.m. - 11:44 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

17h 21m1 stop Chicago O'Hare Intl

5:34 p.m. - 10:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

18h 16m1 stop Chicago O'Hare Intl

C$ 613American Airlines

Sat, 17 Oct - Wed, 21 Oct

5:23 p.m. - 11:44 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

17h 21m1 stop Chicago O'Hare Intl

5:34 p.m. - 10:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

18h 16m1 stop Chicago O'Hare Intl

C$ 613American Airlines

Sat, 10 Oct - Wed, 14 Oct

8:15 p.m. - 11:25 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

14h 10m1 stop Chicago O'Hare Intl

12:10 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 49m1 stop Chicago O'Hare Intl

C$ 613American Airlines

Tue, 10 Nov - Mon, 16 Nov

7:26 a.m. - 9:26 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

13h 00m2 stops Chicago O'Hare Intl Philadelphia

12:10 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 49m1 stop Chicago O'Hare Intl

C$ 667American Airlines

Tue, 10 Nov - Mon, 16 Nov

5:00 a.m. - 4:52 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

10h 52m1 stop Chicago O'Hare Intl

5:34 p.m. - 10:51 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

18h 17m1 stop Chicago O'Hare Intl

C$ 681American Airlines

Thu, 22 Oct - Tue, 27 Oct

5:00 a.m. - 4:52 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

10h 52m1 stop Chicago O'Hare Intl

5:34 p.m. - 10:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

18h 16m1 stop Chicago O'Hare Intl

C$ 719American Airlines

Fri, 23 Oct - Mon, 26 Oct

7:26 a.m. - 9:26 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

13h 00m2 stops Chicago O'Hare Intl Philadelphia

12:10 p.m. - 11:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

12h 49m1 stop Chicago O'Hare Intl

C$ 729American Airlines

Tue, 10 Nov - Mon, 16 Nov

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Sat, 17 Oct - Wed, 21 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Tue, 6 Oct - Wed, 14 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Thu, 8 Oct - Mon, 12 Oct

Cheap one-way flights

Enter your travel dates to find the best prices.

6:35 p.m. - 7:32 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

47h 57m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

C$ 232Multiple Airlines

Mon, 19 Oct

2:29 p.m. - 7:32 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

28h 03m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

C$ 239Multiple Airlines

Mon, 28 Sep

2:29 p.m. - 7:05 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

15h 36m2 stops Atlanta Hartsfield-Jackson Calgary

C$ 274Multiple Airlines

Mon, 28 Sep

2:29 p.m. - 12:25 a.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

56h 56m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

C$ 309Multiple Airlines

Fri, 2 Oct

4:30 p.m. - 6:20 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

24h 50m2 stops Orlando Toronto Pearson Intl

C$ 317Multiple Airlines

Mon, 19 Oct

2:00 p.m. - 6:12 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

27h 12m3 stops Jonesboro Nashville Intl Toronto Island

C$ 317Multiple Airlines

Fri, 9 Oct

6:35 p.m. - 7:32 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

23h 57m3 stops Atlanta Hartsfield-Jackson Fort Lauderdale Toronto Pearson Intl

C$ 317Multiple Airlines

Fri, 16 Oct

2:10 p.m. - 6:12 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

27h 02m3 stops Jonesboro Nashville Intl Toronto Island

C$ 317Multiple Airlines

Thu, 1 Oct

2:00 p.m. - 6:12 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

27h 12m3 stops Jonesboro Nashville Intl Toronto Island

C$ 317Multiple Airlines

Thu, 15 Oct

2:00 p.m. - 6:12 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

27h 12m3 stops Jonesboro Nashville Intl Toronto Island

C$ 317Multiple Airlines

Thu, 1 Oct

Cheap direct flights

Enter your travel dates to find the best prices.

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Wed, 7 Oct - Wed, 14 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Mon, 5 Oct - Mon, 12 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Wed, 14 Oct - Wed, 21 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Wed, 14 Oct - Tue, 20 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Fri, 9 Oct - Fri, 16 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Fri, 9 Oct - Wed, 21 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Wed, 14 Oct - Fri, 16 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Sat, 10 Oct - Fri, 16 Oct

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

C$ 927Air Canada

Sat, 3 Oct - Tue, 13 Oct

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American Airlines flights from St. Louis to Montreal

Our best American Airlines deals on St. Louis to Montreal flight tickets

American Airlines

17 Oct

STL5:23 p.m.Lambert-St Louis

17h 21m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

21 Oct

YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl

18h 16m

1 stop

STL10:50 a.m.Lambert-St Louis

C$ 613

American Airlines

10 Nov

STL7:26 a.m.Lambert-St Louis

13h 00m

2 stops

YUL9:26 p.m.Montreal Pierre Elliott Trudeau Intl

16 Nov

YUL12:10 p.m.Montreal Pierre Elliott Trudeau Intl

12h 49m

1 stop

STL11:59 p.m.Lambert-St Louis

C$ 667

American Airlines

23 Oct

STL5:00 a.m.Lambert-St Louis

10h 52m

1 stop

YUL4:52 p.m.Montreal Pierre Elliott Trudeau Intl

26 Oct

YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl

18h 16m

1 stop

STL10:50 a.m.Lambert-St Louis

C$ 719

Air Canada flights from St. Louis to Montreal

Our best Air Canada deals on St. Louis to Montreal flight tickets

Air Canada

3 Oct

STL12:10 p.m.Lambert-St Louis

2h 31m

YUL3:41 p.m.Montreal Pierre Elliott Trudeau Intl

12 Oct

YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl

2h 46m

STL6:41 p.m.Lambert-St Louis

C$ 927

Air Canada

3 Oct

STL12:10 p.m.Lambert-St Louis

2h 31m

YUL3:41 p.m.Montreal Pierre Elliott Trudeau Intl

10 Oct

YUL8:10 a.m.Montreal Pierre Elliott Trudeau Intl

6h 50m

1 stop

STL2:00 p.m.Lambert-St Louis

C$ 932

Air Canada

3 Oct

STL12:10 p.m.Lambert-St Louis

2h 31m

YUL3:41 p.m.Montreal Pierre Elliott Trudeau Intl

9 Oct

YUL9:10 a.m.Montreal Pierre Elliott Trudeau Intl

5h 50m

1 stop

STL2:00 p.m.Lambert-St Louis

C$ 945

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Sat 17/10

5:23 p.m.-11:44 a.m.

1 stop17h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

5:34 p.m.-10:50 a.m.

1 stop18h 16m

C$ 613

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Sat 10/10

5:23 p.m.-11:44 a.m.

1 stop17h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

5:34 p.m.-10:50 a.m.

1 stop18h 16m

C$ 613

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 10/11

8:15 p.m.-11:25 a.m.

1 stop14h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

12:10 p.m.-11:59 p.m.

1 stop12h 49m

C$ 613

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 10/11

7:26 a.m.-9:26 p.m.

2 stops13h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

12:10 p.m.-11:59 p.m.

1 stop12h 49m

C$ 667

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Thu 22/10

5:00 a.m.-4:52 p.m.

1 stop10h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

5:34 p.m.-10:51 a.m.

1 stop18h 17m

C$ 681

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Fri 23/10

5:00 a.m.-4:52 p.m.

1 stop10h 52m

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

5:34 p.m.-10:50 a.m.

1 stop18h 16m

C$ 719

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 10/11

7:26 a.m.-9:26 p.m.

2 stops13h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

12:10 p.m.-11:59 p.m.

1 stop12h 49m

C$ 729

Quickest round-trip

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Sat 17/10

12:10 p.m.-3:41 p.m.

Nonstop2h 31m

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

4:55 p.m.-6:41 p.m.

Nonstop2h 46m

C$ 927

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Tue 6/10

12:10 p.m.-3:41 p.m.

Nonstop2h 31m

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

4:55 p.m.-6:41 p.m.

Nonstop2h 46m

C$ 927

St. LouisMontreal

STL Lambert-St Louis - YUL Montreal Pierre Elliott Trudeau Intl

STLYUL

Lambert-St Louis

Thu 8/10

12:10 p.m.-3:41 p.m.

Nonstop2h 31m

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

4:55 p.m.-6:41 p.m.

Nonstop2h 46m

C$ 927

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 St. Louis to Montreal

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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between St. Louis and Montreal?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 903 to C$ 963.
The lowest price recently found on this route was C$ 613.

What is the cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from St. Louis is in August. Flight prices, which tend to average around C$ 632, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Montreal from St. Louis during February instead. Flights to Montreal in February, while not as cheap as those in August, still average around C$ 700.

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

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

What cabin class options are available on St. Louis to Montreal flights?

There is only 1 cabin class available to choose from on St. Louis to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

When to book flights from St. Louis to Montreal

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

Estimated round-trip price

Cheap St. Louis to Montreal (STL to YMQ) flight deals and tips

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

Best price found	C$ 232
Fastest flight time	2h 31m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Montreal	2 airports

The best one-way flight to Montreal from St. Louis in the past 72 hours is C$ 232. The best round-trip flight deal from St. Louis to Montreal found on momondo in the last 72 hours is C$ 613.

The fastest flight from St. Louis to Montreal takes 2h 31m

Direct flights go from St. Louis to Montreal on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 2 airports in Montreal. From St. Louis there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).

Search flight deals

Frequently asked questions about flying from St. Louis to Montreal

How far is Lambert-St Louis to Montreal by plane?
The straight-line distance from Lambert-St Louis to Montreal is 1566.0 km. Flights usually cover this in 2h 31m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Montreal?
Prices for flights from Lambert-St Louis Airport to Montreal were last updated today.
How old do you have to be to fly from Lambert-St Louis Airport to Montreal?
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 Lambert-St Louis Airport to Montreal.
What documentation or ID do you need to fly to Montreal?
The necessary travel and health documents for your Montreal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Montreal?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Montreal is Canadair (Bombardier) Regional Jet 900, representing 62.96% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 24.69%, Airbus A220-300 at 7.41%, and Airbus A330-300 at 3.70%.

Why use momondo?

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

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 Montreal from St. Louis.

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

Yes. momondo enables you to select and highlight flights to Montreal from St. Louis with this policy.

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

Once you have performed a search for St. Louis to Montreal 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 St. Louis to Montreal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Montreal from St. Louis. 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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Feeling lucky

Fly into one of these airports located in Montreal

Montreal St Hubert Airport

Montreal Pierre Elliott Trudeau Intl Airport

Cheap flights from St. Louis to Montreal from C$ 232

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Montreal departing on 19/10. 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 St. Louis to Montreal

Our best American Airlines deals on St. Louis to Montreal flight tickets

Air Canada flights from St. Louis to Montreal

Our best Air Canada deals on St. Louis to Montreal flight tickets

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

What is the typical price of a round-trip flight between St. Louis and Montreal?

What is the cheapest month to fly to Montreal?

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

What cabin class options are available on St. Louis to Montreal flights?

What is the cheapest airline that flies from Lambert-St Louis to Montreal?

How many flights depart from St. Louis to Montreal on average per day?

How many flights depart from St. Louis to Montreal on average per week?

When to book flights from St. Louis to Montreal

Cheap St. Louis to Montreal (STL to YMQ) flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in Montreal

Frequently asked questions about flying from St. Louis to Montreal

Why use momondo?

An easier way to manage your Montreal 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.

Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 15.1 km from Montreal

Cabin classes currently available on flights to Montreal

List of cabin classes available on flights landing in Montreal. Availability may vary depending on flight origin and airline.

Popular Cities in Canada

Popular flights according to clicks in the last 7 days on momondo

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