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Cheap flights from Missouri to Montreal from C$ 313

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 8/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:51 a.m. - 11:44 a.m.
STL
-
YUL
4h 53m
1 stop
American Airlines Logo
2:32 p.m. - 8:30 a.m.
YUL
-
STL
18h 58m
1 stop
C$ 313American Airlines
Wed, 8 Apr - Wed, 15 Apr
American Airlines Logo
8:00 a.m. - 2:58 p.m.
STL
-
YUL
5h 58m
1 stop
American Airlines Logo
7:29 a.m. - 1:22 p.m.
YUL
-
STL
6h 53m
1 stop
C$ 326American Airlines
Sun, 5 Apr - Sun, 12 Apr
American Airlines Logo
4:30 p.m. - 11:44 a.m.
STL
-
YUL
18h 14m
1 stop
American Airlines Logo
12:30 p.m. - 10:17 p.m.
YUL
-
STL
10h 47m
1 stop
C$ 420American Airlines
Tue, 21 Apr - Mon, 27 Apr
American Airlines Logo
8:03 p.m. - 11:44 a.m.
STL
-
YUL
14h 41m
1 stop
American Airlines Logo
12:30 p.m. - 10:19 p.m.
YUL
-
STL
10h 49m
1 stop
C$ 432American Airlines
Wed, 29 Apr - Sun, 3 May
American Airlines Logo
6:00 a.m. - 2:58 p.m.
STL
-
YUL
7h 58m
1 stop
American Airlines Logo
12:30 p.m. - 11:46 p.m.
YUL
-
STL
12h 16m
1 stop
C$ 446American Airlines
Sun, 5 Apr - Sun, 12 Apr
American Airlines Logo
9:20 a.m. - 10:56 p.m.
STL
-
YUL
12h 36m
2 stops
American Airlines Logo
12:30 p.m. - 11:46 p.m.
YUL
-
STL
12h 16m
1 stop
C$ 460American Airlines
Sun, 5 Apr - Sun, 12 Apr
American Airlines Logo
6:33 p.m. - 11:44 a.m.
STL
-
YUL
16h 11m
1 stop
American Airlines Logo
12:30 p.m. - 10:17 p.m.
YUL
-
STL
10h 47m
1 stop
C$ 487American Airlines
Mon, 6 Apr - Mon, 13 Apr
Multiple Airlines Logo
12:15 p.m. - 4:28 p.m.
MCI
-
YUL
27h 13m
1 stop
Multiple Airlines Logo
6:45 a.m. - 11:09 a.m.
YUL
-
MCI
29h 24m
1 stop
C$ 499Multiple Airlines
Thu, 23 Apr - Wed, 29 Apr
Multiple Airlines Logo
12:15 p.m. - 4:28 p.m.
MCI
-
YUL
27h 13m
1 stop
Multiple Airlines Logo
8:00 a.m. - 11:09 a.m.
YUL
-
MCI
28h 09m
1 stop
C$ 501Multiple Airlines
Thu, 23 Apr - Sun, 26 Apr
Air Canada Logo
9:10 a.m. - 6:55 p.m.
STL
-
YUL
8h 45m
1 stop
Air Canada Logo
6:10 a.m. - 9:08 p.m.
YUL
-
STL
15h 58m
1 stop
C$ 572Air Canada
Tue, 7 Apr - Tue, 14 Apr

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
8 Apr
STL5:51 a.m.Lambert-St Louis
4h 53m
1 stop
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
15 Apr
YUL2:32 p.m.Montreal Pierre Elliott Trudeau Intl
18h 58m
1 stop
STL8:30 a.m.Lambert-St Louis
C$ 313
American Airlines
5 Apr
STL8:00 a.m.Lambert-St Louis
5h 58m
1 stop
YUL2:58 p.m.Montreal Pierre Elliott Trudeau Intl
12 Apr
YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl
6h 53m
1 stop
STL1:22 p.m.Lambert-St Louis
C$ 326
American Airlines
21 Apr
STL4:30 p.m.Lambert-St Louis
18h 14m
1 stop
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
27 Apr
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
10h 47m
1 stop
STL10:17 p.m.Lambert-St Louis
C$ 420

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
7 Apr
STL9:10 a.m.Lambert-St Louis
8h 45m
1 stop
YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl
14 Apr
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
15h 58m
1 stop
STL9:08 p.m.Lambert-St Louis
C$ 572
Air Canada
5 Jun
STL7:30 a.m.Lambert-St Louis
6h 51m
1 stop
YUL3:21 p.m.Montreal Pierre Elliott Trudeau Intl
5 Jun
YUL6:10 p.m.Montreal Pierre Elliott Trudeau Intl
2h 55m
STL8:05 p.m.Lambert-St Louis
C$ 770
Air Canada
4 May
STL1:00 p.m.Lambert-St Louis
2h 35m
YUL4:35 p.m.Montreal Pierre Elliott Trudeau Intl
8 May
YUL6:10 p.m.Montreal Pierre Elliott Trudeau Intl
2h 55m
STL8:05 p.m.Lambert-St Louis
C$ 793

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 96,600 searches. Data last updated 23 February 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 8/4

5:51 a.m.-11:44 a.m.

1 stop4h 53m

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

2:32 p.m.-8:30 a.m.

1 stop18h 58m

C$ 313

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 5/4

8:00 a.m.-2:58 p.m.

1 stop5h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

7:29 a.m.-1:22 p.m.

1 stop6h 53m

C$ 326

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 21/4

4:30 p.m.-11:44 a.m.

1 stop18h 14m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

12:30 p.m.-10:17 p.m.

1 stop10h 47m

C$ 420

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 29/4

8:03 p.m.-11:44 a.m.

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

12:30 p.m.-10:19 p.m.

1 stop10h 49m

C$ 432

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 5/4

6:00 a.m.-2:58 p.m.

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

C$ 446

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 5/4

9:20 a.m.-10:56 p.m.

2 stops12h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

C$ 460

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 6/4

6:33 p.m.-11:44 a.m.

1 stop16h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

12:30 p.m.-10:17 p.m.

1 stop10h 47m

C$ 487

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 23/4

12:15 p.m.-4:28 p.m.

1 stop27h 13m

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

6:45 a.m.-11:09 a.m.

1 stop29h 24m

C$ 499

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 23/4

12:15 p.m.-4:28 p.m.

1 stop27h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

8:00 a.m.-11:09 a.m.

1 stop28h 09m

C$ 501

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 7/4

9:10 a.m.-6:55 p.m.

1 stop8h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

6:10 a.m.-9:08 p.m.

1 stop15h 58m

C$ 572

Flights are sorted by cheapest round-trip flights first.

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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 June is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Missouri, with most prices found around C$ 550. The month of August is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Missouri averaging around C$ 570.

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 is only 1 cabin class 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 42% 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

Fastest flight time

2h 32m

Direct flights

Every day
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 were last updated today.

  • 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 required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Travelling to a place near Montreal?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Montreal. momondo saves you time and could save you money on your trip.

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

All flight searches from Missouri to Montreal on momondo can be filtered to show those which offer flexible booking policies.

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

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

Price alerts on flights to Montreal from Missouri are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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