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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri from $224

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 12/30. 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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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 pm - 9:48 pmYUL-STL
10h 18m1 stop
American Airlines Logo
11:14 am - 11:15 amSTL-YUL
23h 01m1 stop
$371American Airlines
Find Deal
Tue, Apr 7 - Wed, Apr 8
American Airlines Logo
12:30 pm - 9:48 pmYUL-STL
10h 18m1 stop
American Airlines Logo
11:14 am - 11:15 amSTL-YUL
23h 01m1 stop
$372American Airlines
Find Deal
Tue, Apr 7 - Wed, Apr 8
Multiple Airlines Logo
6:45 am - 12:39 pmYUL-MCI
30h 54m3 stops
Multiple Airlines Logo
1:44 pm - 12:30 amMCI-YUL
9h 46m1 stop
$381Multiple Airlines
Find Deal
Sat, Feb 21 - Mon, Feb 23
Multiple Airlines Logo
4:35 pm - 1:17 pmYUL-STL
21h 42m1 stop
Multiple Airlines Logo
3:30 pm - 4:25 pmSTL-YUL
23h 55m2 stops
$411Multiple Airlines
Find Deal
Sun, Nov 16 - Wed, Dec 3
Air Canada Logo
8:50 am - 3:29 pmYUL-STL
7h 39m2 stops
Air Canada Logo
4:05 pm - 11:22 pmSTL-YUL
6h 17m1 stop
$528Air Canada
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Fri, Dec 5 - Mon, Dec 8
Air Canada Logo
11:10 am - 3:29 pmYUL-STL
5h 19m1 stop
Air Canada Logo
4:05 pm - 11:22 pmSTL-YUL
6h 17m1 stop
$530Air Canada
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Fri, Dec 5 - Mon, Dec 8
Delta Logo
12:40 pm - 9:02 pmYUL-STL
9h 22m1 stop
Delta Logo
7:05 am - 6:54 pmSTL-YUL
10h 49m2 stops
$545Delta
Find Deal
Fri, Dec 5 - Mon, Dec 8
Delta Logo
12:45 pm - 6:04 pmYUL-STL
6h 19m1 stop
Delta Logo
3:50 pm - 11:39 pmSTL-YUL
6h 49m1 stop
$552Delta
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Thu, Mar 26 - Sat, Mar 28
WestJet Logo
6:30 pm - 8:58 amYUL-STL
15h 28m1 stop
WestJet Logo
7:10 am - 12:43 amSTL-YUL
16h 33m2 stops
$682WestJet
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Fri, Dec 19 - Sat, Jan 3
WestJet Logo
6:45 am - 5:01 pmYUL-STL
11h 16m2 stops
WestJet Logo
6:29 am - 11:59 amSTL-YUL
4h 30m1 stop
$693WestJet
Find Deal
Fri, Dec 26 - Fri, Jan 2

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Missouri flight tickets
Delta
Dec 5
YUL12:40 pmMontreal Pierre Elliott Trudeau Intl
9h 22m
1 stop
STL9:02 pmLambert-St Louis
Dec 8
STL7:05 amLambert-St Louis
10h 49m
2 stops
YUL6:54 pmMontreal Pierre Elliott Trudeau Intl
$545
Find similar
Delta
Mar 26
YUL12:45 pmMontreal Pierre Elliott Trudeau Intl
6h 19m
1 stop
STL6:04 pmLambert-St Louis
Mar 28
STL3:50 pmLambert-St Louis
6h 49m
1 stop
YUL11:39 pmMontreal Pierre Elliott Trudeau Intl
$552
Find similar
Delta
Nov 16
YUL6:26 pmMontreal Pierre Elliott Trudeau Intl
6h 18m
1 stop
STL11:44 pmLambert-St Louis
Dec 3
STL12:49 pmLambert-St Louis
9h 58m
1 stop
YUL11:47 pmMontreal Pierre Elliott Trudeau Intl
$561
Find similar

WestJet flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri

Our best WestJet deals on Montreal Pierre Elliott Trudeau Intl Airport to Missouri flight tickets
WestJet
Dec 19
YUL6:30 pmMontreal Pierre Elliott Trudeau Intl
15h 28m
1 stop
STL8:58 amLambert-St Louis
Jan 3
STL7:10 amLambert-St Louis
16h 33m
2 stops
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
$682
Find similar
WestJet
Dec 26
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
11h 16m
2 stops
STL5:01 pmLambert-St Louis
Jan 2
STL6:29 amLambert-St Louis
4h 30m
1 stop
YUL11:59 amMontreal Pierre Elliott Trudeau Intl
$693
Find similar
WestJet
Dec 26
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
11h 16m
2 stops
STL5:01 pmLambert-St Louis
Jan 2
STL5:13 pmLambert-St Louis
17h 19m
1 stop
YUL11:32 amMontreal Pierre Elliott Trudeau Intl
$695
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 832,500 searches. Data last updated November 3, 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 4/7

12:30 pm-9:48 pm

1 stop10h 18m

Lambert-St Louis

Wed 4/8

11:14 am-11:15 am

1 stop23h 01m

$371

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 4/7

12:30 pm-9:48 pm

1 stop10h 18m

Lambert-St Louis

Wed 4/8

11:14 am-11:15 am

1 stop23h 01m

$372

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

6:45 am-12:39 pm

3 stops30h 54m

Kansas City

Mon 2/23

1:44 pm-12:30 am

1 stop9h 46m

$381

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 11/16

4:35 pm-1:17 pm

1 stop21h 42m

Lambert-St Louis

Wed 12/3

3:30 pm-4:25 pm

2 stops23h 55m

$411

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 12/5

8:50 am-3:29 pm

2 stops7h 39m

Lambert-St Louis

Mon 12/8

4:05 pm-11:22 pm

1 stop6h 17m

$528

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 12/5

11:10 am-3:29 pm

1 stop5h 19m

Lambert-St Louis

Mon 12/8

4:05 pm-11:22 pm

1 stop6h 17m

$530

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 12/5

12:40 pm-9:02 pm

1 stop9h 22m

Lambert-St Louis

Mon 12/8

7:05 am-6:54 pm

2 stops10h 49m

$545

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 3/26

12:45 pm-6:04 pm

1 stop6h 19m

Lambert-St Louis

Sat 3/28

3:50 pm-11:39 pm

1 stop6h 49m

$552

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 12/19

6:30 pm-8:58 am

1 stop15h 28m

Lambert-St Louis

Sat 1/3

7:10 am-12:43 am

2 stops16h 33m

$682

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 12/26

6:45 am-5:01 pm

2 stops11h 16m

Lambert-St Louis

Fri 1/2

6:29 am-11:59 am

1 stop4h 30m

$693

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, May is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $448. If you aren’t able to travel to Missouri during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $485.

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

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Missouri is on a Friday when prices can be found for as low as $246. Flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri on a Thursday will generally be more expensive and average around $609. 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 Missouri?

According to our data, the cheapest time of day to fly to Missouri is in the afternoon. momondo users have found flights departing from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in the afternoon for as low as $435. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly at noon, with an average ticket price of $593. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 are 3 cabin classes 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 14% 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.
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  • 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
WestJetPriceFrom $386Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
Air CanadaPriceFrom $435Free CancellationRating
7.1
10,394 reviews
Search Air Canada flights
DeltaPriceFrom $452Free CancellationRating
7.9
8,001 reviews
Search Delta flights

Why use momondo?

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

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 Missouri from Montreal.

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

Flights from Montreal to Missouri with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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 can track prices for Montreal to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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