Pierre Elliott Trudeau Intl

$160+ Cheap flights from Missouri to Pierre Elliott Trudeau Intl (YUL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
Mar 23 — Mar 301
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Cheap flight deals from Missouri to Pierre Elliott Trudeau Intl

Cheapest flights from Missouri to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Missouri to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:00 am
STL
-
YUL
1 stop5h 58m
American Airlines
Sun 4/127:29 am
YUL
-
STL
1 stop6h 53m
American Airlines
Deal found 2/21$238
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
STL
-
YUL
1 stop7h 58m
American Airlines
Wed 4/812:30 pm
YUL
-
STL
1 stop10h 47m
American Airlines
Deal found 2/18$305
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:03 pm
STL
-
YUL
1 stop14h 41m
American Airlines
Sun 5/312:30 pm
YUL
-
STL
1 stop10h 49m
American Airlines
Deal found 2/19$316
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:33 pm
STL
-
YUL
1 stop16h 11m
American Airlines
Mon 4/1312:30 pm
YUL
-
STL
1 stop10h 47m
American Airlines
Deal found 2/20$356
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Wed 4/296:45 am
YUL
-
MCI
1 stop29h 24m
Multiple Airlines
Deal found 2/20$365
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Sun 4/268:00 am
YUL
-
MCI
1 stop28h 09m
Multiple Airlines
Deal found 2/20$366
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Tue 4/284:35 pm
YUL
-
MCI
1 stop8h 22m
Multiple Airlines
Deal found 2/20$380
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Sat 5/24:35 pm
YUL
-
MCI
1 stop8h 22m
Multiple Airlines
Deal found 2/20$387
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:05 pm
SGF
-
YUL
1 stop16h 39m
American Airlines
Wed 4/1512:30 pm
YUL
-
SGF
1 stop11h 08m
American Airlines
Deal found 2/21$398
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:00 am
MCI
-
YUL
1 stop9h 05m
American Airlines
Thu 3/263:45 pm
YUL
-
MCI
1 stop9h 09m
American Airlines
Deal found 2/20$400
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:57 pm
MCI
-
YUL
1 stop18h 01m
American Airlines
Sat 4/1112:30 pm
YUL
-
MCI
1 stop11h 22m
American Airlines
Deal found 2/18$403
This Mytrip deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:45 am
MCI
-
YUL
1 stop17h 45m
Multiple Airlines
Sat 4/118:05 am
YUL
-
MCI
2 stops16h 48m
Multiple Airlines
Deal found 2/18$405

Find flight deals from Missouri to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Missouri to Pierre Elliott Trudeau Intl flight deals. Data was last updated February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(American Airlines)

One-way from

$160
(American Airlines)

Popular in

October

Cheapest in

June

Average price

$506

Good round-trip deal

$801 or less

Good one-way deal

$299 or less
Provider with most accurate pricing for Lambert-St Louis-Montreal (YMQ) flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Montreal (YMQ) flights.
From Missouri to Montreal Pierre Elliott Trudeau Intl
One-way flight from Missouri to Montreal Pierre Elliott Trudeau Intl
Highest demand for flights based on searches. 16% potential increase in price ($115 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Missouri to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Missouri to Montreal Pierre Elliott Trudeau Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Pierre Elliott Trudeau Intl 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, Cheapflights users made 2,558,603 searches. Data last updated February 21, 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

Missouri

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/1

6:00 am-2:58 pm

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 4/8

12:30 pm-10:17 pm

1 stop10h 47m

$305

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/29

8:03 pm-11:44 am

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

Sun 5/3

12:30 pm-10:19 pm

1 stop10h 49m

$316

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/4

7:57 pm-2:58 pm

1 stop18h 01m

Montreal Pierre Elliott Trudeau Intl

Sat 4/11

12:30 pm-10:52 pm

1 stop11h 22m

$403

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/4

5:45 am-12:30 am

1 stop17h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 4/11

8:05 am-11:53 pm

2 stops16h 48m

$405

SpringfieldMontreal

SGF - YUL

SGFYUL

Springfield-Branson

Wed 4/8

7:34 am-9:37 pm

2 stops13h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

12:30 pm-10:38 pm

1 stop11h 08m

$407

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 4/20

6:45 pm-10:40 am

1 stop14h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 4/27

6:30 pm-10:27 am

1 stop16h 57m

$503

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 4/7

9:55 am-6:55 pm

1 stop8h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 4/8

1:20 pm-9:59 pm

1 stop9h 39m

$503

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/25

8:00 am-6:55 pm

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

6:10 am-9:59 pm

1 stop16h 49m

$503

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 3/27

6:00 am-3:05 pm

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 3/29

2:25 pm-8:35 am

1 stop19h 10m

$530

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 4/6

8:00 am-6:55 pm

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

6:30 pm-8:52 am

1 stop15h 22m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 44 results
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Best time to book a flight from Missouri to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of $150). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of $642). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

    Departing from Missouri to Montreal Pierre Elliott Trudeau Intl Airport will take you 7h 58m. Missouri and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 967 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

  • What are the cheapest flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

    On average you can expect to pay $1,460 for a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is $230 while the most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl) is currently priced at $428.

  • Can I find deals for flights from Missouri to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Missouri to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Missouri to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Missouri to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of $150). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of $642). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Dorval

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Alternative routes for Missouri to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Missouri to Pierre Elliott Trudeau Intl

Discover the top 5 airlines that operate flights from Missouri to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$212Average$609FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$765FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$318Average$667FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$348Average$548FlexibilityNo cancel feeOn-time71%
WestJetCheapest$505Average$708FlexibilityNo cancel feeOn-time60%

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