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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri from C$ 314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri departing on 30/12. 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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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:30 p.m. - 9:48 p.m.YUL-STL
10h 18m1 stop
American Airlines Logo
11:14 a.m. - 11:15 a.m.STL-YUL
23h 01m1 stop
C$ 520American Airlines
Find Deal
Tue, 7 Apr - Wed, 8 Apr
American Airlines Logo
12:30 p.m. - 9:48 p.m.YUL-STL
10h 18m1 stop
American Airlines Logo
11:14 a.m. - 11:15 a.m.STL-YUL
23h 01m1 stop
C$ 521American Airlines
Find Deal
Tue, 7 Apr - Wed, 8 Apr
Air Canada Logo
8:50 a.m. - 3:29 p.m.YUL-STL
7h 39m2 stops
Air Canada Logo
4:05 p.m. - 11:22 p.m.STL-YUL
6h 17m1 stop
C$ 740Air Canada
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Air Canada Logo
11:10 a.m. - 3:29 p.m.YUL-STL
5h 19m1 stop
Air Canada Logo
4:05 p.m. - 11:22 p.m.STL-YUL
6h 17m1 stop
C$ 742Air Canada
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Delta Logo
12:40 p.m. - 9:02 p.m.YUL-STL
9h 22m1 stop
Delta Logo
7:05 a.m. - 6:54 p.m.STL-YUL
10h 49m2 stops
C$ 764Delta
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Delta Logo
12:45 p.m. - 6:04 p.m.YUL-STL
6h 19m1 stop
Delta Logo
3:50 p.m. - 11:39 p.m.STL-YUL
6h 49m1 stop
C$ 773Delta
Find Deal
Thu, 26 Mar - Sat, 28 Mar
United Airlines Logo
7:00 p.m. - 11:01 a.m.YUL-STL
17h 01m2 stops
United Airlines Logo
6:42 p.m. - 12:46 p.m.STL-YUL
17h 04m2 stops
C$ 806United Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
United Airlines Logo
7:00 a.m. - 9:50 p.m.YUL-MCI
15h 50m2 stops
United Airlines Logo
7:40 a.m. - 3:57 p.m.MCI-YUL
7h 17m1 stop
C$ 888United Airlines
Find Deal
Thu, 25 Dec - Sun, 28 Dec
WestJet Logo
6:30 p.m. - 8:58 a.m.YUL-STL
15h 28m1 stop
WestJet Logo
7:10 a.m. - 12:43 a.m.STL-YUL
16h 33m2 stops
C$ 955WestJet
Find Deal
Fri, 19 Dec - Sat, 3 Jan
WestJet Logo
6:45 a.m. - 5:01 p.m.YUL-STL
11h 16m2 stops
WestJet Logo
6:29 a.m. - 11:59 a.m.STL-YUL
4h 30m1 stop
C$ 971WestJet
Find Deal
Fri, 26 Dec - Fri, 2 Jan

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

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Missouri flight tickets
American Airlines
7 Apr
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
10h 18m
1 stop
STL9:48 p.m.Lambert-St Louis
8 Apr
STL11:14 a.m.Lambert-St Louis
23h 01m
1 stop
YUL11:15 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 520
Find similar
American Airlines
7 Apr
YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl
10h 18m
1 stop
STL9:48 p.m.Lambert-St Louis
8 Apr
STL11:14 a.m.Lambert-St Louis
23h 01m
1 stop
YUL11:15 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 521
Find similar
American Airlines
5 Dec
YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl
17h 18m
1 stop
STL8:08 a.m.Lambert-St Louis
8 Dec
STL5:15 a.m.Lambert-St Louis
8h 55m
1 stop
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 710
Find similar

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

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to Missouri flight tickets
Air Canada
5 Dec
YUL8:50 a.m.Montreal Pierre Elliott Trudeau Intl
7h 39m
2 stops
STL3:29 p.m.Lambert-St Louis
8 Dec
STL4:05 p.m.Lambert-St Louis
6h 17m
1 stop
YUL11:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 740
Find similar
Air Canada
5 Dec
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
5h 19m
1 stop
STL3:29 p.m.Lambert-St Louis
8 Dec
STL4:05 p.m.Lambert-St Louis
6h 17m
1 stop
YUL11:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 742
Find similar
Air Canada
19 Dec
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
5h 19m
1 stop
STL3:29 p.m.Lambert-St Louis
3 Jan
STL4:05 p.m.Lambert-St Louis
5h 17m
1 stop
YUL10:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 778
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri 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 3 November 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

12:30 p.m.-9:48 p.m.

1 stop10h 18m

Lambert-St Louis

Wed 8/4

11:14 a.m.-11:15 a.m.

1 stop23h 01m

C$ 520

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

12:30 p.m.-9:48 p.m.

1 stop10h 18m

Lambert-St Louis

Wed 8/4

11:14 a.m.-11:15 a.m.

1 stop23h 01m

C$ 521

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

8:50 a.m.-3:29 p.m.

2 stops7h 39m

Lambert-St Louis

Mon 8/12

4:05 p.m.-11:22 p.m.

1 stop6h 17m

C$ 740

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

11:10 a.m.-3:29 p.m.

1 stop5h 19m

Lambert-St Louis

Mon 8/12

4:05 p.m.-11:22 p.m.

1 stop6h 17m

C$ 742

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

12:40 p.m.-9:02 p.m.

1 stop9h 22m

Lambert-St Louis

Mon 8/12

7:05 a.m.-6:54 p.m.

2 stops10h 49m

C$ 764

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

12:45 p.m.-6:04 p.m.

1 stop6h 19m

Lambert-St Louis

Sat 28/3

3:50 p.m.-11:39 p.m.

1 stop6h 49m

C$ 773

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

7:00 p.m.-11:01 a.m.

2 stops17h 01m

Lambert-St Louis

Mon 8/12

6:42 p.m.-12:46 p.m.

2 stops17h 04m

C$ 806

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 25/12

7:00 a.m.-9:50 p.m.

2 stops15h 50m

Kansas City

Sun 28/12

7:40 a.m.-3:57 p.m.

1 stop7h 17m

C$ 888

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 19/12

6:30 p.m.-8:58 a.m.

1 stop15h 28m

Lambert-St Louis

Sat 3/1

7:10 a.m.-12:43 a.m.

2 stops16h 33m

C$ 955

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 26/12

6:45 a.m.-5:01 p.m.

2 stops11h 16m

Lambert-St Louis

Fri 2/1

6:29 a.m.-11:59 a.m.

1 stop4h 30m

C$ 971

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 Missouri from

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

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 Missouri?

The month of February is, on average, the cheapest month to fly to Missouri from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around C$ 441. If you are unable to visit Missouri during the month of February, then departing from Montreal Pierre Elliott Trudeau Intl Airport during the month March is also very affordable. Most momondo users find prices during this month for around C$ 591.

What is the cheapest day to depart on your flight to Missouri?

Our data shows that Wednesday is the least expensive day to fly to Missouri. Tickets to fly out on this day can be as low as C$ 583. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 671. These prices are subject to change though, so be sure to set up a Price Alert for flights to Missouri.

What is the cheapest time of day to depart on your flight to Missouri?

Our data shows that the cheapest Montreal Pierre Elliott Trudeau Intl Airport to Missouri flights are usually those with departure times at noon. Our users have found flights to Missouri at noon for as low as C$ 599. In the morning is when there is more demand to fly to Missouri, so prices are often more expensive at around C$ 633 per ticket.

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

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

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

There is only 1 cabin class available to choose from on Montreal Pierre Elliott Trudeau Intl to Missouri 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 Montreal Pierre Elliott Trudeau Intl Airport to Missouri flights?

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

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

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

Direct flights

None
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Missouri.
Search flight deals

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

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The travel and health documents required for your trip to Missouri 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 Missouri. 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 Montreal Pierre Elliott Trudeau Intl Airport to Missouri?

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

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Missouri with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 422Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 549Free CancellationRating
7.1
10,398 reviews
Search Air Canada flights
WestJetPriceFrom C$ 565Free CancellationRating
7.2
3,153 reviews
Search WestJet flights

Why use momondo?

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

It is quick and easy to find Montreal to Missouri 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 Missouri that suits you.

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

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

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

Once all potential Montreal to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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