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Pierre Elliott Trudeau Intl

$139+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap 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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$363
(American Airlines)

One-way from

$139
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$672

Good round-trip deal

$847 or less

Good one-way deal

$578 or less
Provider with most accurate pricing for Lambert-St Louis-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Montreal (YMQ) flights.
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From Missouri to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Missouri to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 13% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Missouri to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Missouri to Montreal Pierre Elliott Trudeau Intl.
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Find 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 November 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/42:47 pmSTL - YUL
1 stop24h 36mMultiple Airlines
Mon 12/88:00 amYUL - STL
2 stops15h 33mMultiple Airlines
Deal found 11/4$381
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Sat 12/133:30 pmSTL - YUL
1 stop8h 00mMultiple Airlines
Mon 12/158:00 amYUL - STL
2 stops15h 33mMultiple Airlines
Deal found 11/3$396
This Mytrip deal was found by Cheapflights users on 11/2. 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 12/67:01 pmMCI - YUL
3 stops23h 43mMultiple Airlines
Fri 12/121:30 pmYUL - MCI
1 stop10h 45mMultiple Airlines
Deal found 11/2$402
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/308:01 pmSTL - YUL
1 stop18h 09mAmerican Airlines
Thu 1/83:52 pmYUL - STL
1 stop19h 29mAmerican Airlines
Deal found 11/4$422
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/137:02 pmSTL - YUL
2 stops20h 53mMultiple Airlines
Sun 11/164:35 pmYUL - STL
1 stop18h 05mMultiple Airlines
Deal found 11/4$455
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 11/306:00 amMCI - YUL
1 stop17h 30mMultiple Airlines
Sun 12/78:00 amYUL - MCI
2 stops28h 51mMultiple Airlines
Deal found 11/2$506
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Wed 12/33:30 pmSTL - YUL
2 stops29h 55mMultiple Airlines
Wed 12/106:30 pmYUL - STL
1 stop17h 37mMultiple Airlines
Deal found 11/3$523
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/35:05 amSTL - YUL
1 stop9h 05mAmerican Airlines
Wed 12/103:50 pmYUL - STL
1 stop17h 18mAmerican Airlines
Deal found 11/3$534
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 12/233:47 pmMCI - YUL
1 stop7h 43mMultiple Airlines
Sun 12/284:35 pmYUL - MCI
1 stop31h 24mMultiple Airlines
Deal found 11/3$560
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Sat 12/273:47 pmMCI - YUL
1 stop7h 43mMultiple Airlines
Tue 12/304:35 pmYUL - MCI
1 stop31h 24mMultiple Airlines
Deal found 11/3$574
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Fri 11/77:33 pmMCI - YUL
2 stops20h 22mMultiple Airlines
Mon 11/106:45 amYUL - MCI
2 stops12h 43mMultiple Airlines
Deal found 11/3$580
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/226:15 pmMCI - YUL
1 stop21h 08mMultiple Airlines
Thu 1/15:10 pmYUL - MCI
2 stops17h 58mMultiple Airlines
Deal found 11/2$583

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 November 4, 2025.
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

Thu 12/4

2:47 pm-4:23 pm

1 stop24h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 12/8

8:00 am-10:33 pm

2 stops15h 33m

$381

ColumbiaMontreal

COU - YUL

COUYUL

Columbia Regional

Mon 1/12

3:19 pm-12:24 pm

2 stops20h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 1/17

7:30 am-6:01 pm

2 stops11h 31m

$388

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 2/17

2:19 pm-3:05 pm

1 stop23h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

3:55 pm-1:49 pm

1 stop22h 54m

$414

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 12/6

7:01 pm-7:44 pm

3 stops23h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

7:25 pm-5:56 pm

2 stops23h 31m

$442

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 2/19

6:00 am-3:05 pm

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 2/22

7:30 am-6:03 pm

2 stops11h 33m

$526

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 1/17

6:08 pm-4:55 pm

2 stops21h 47m

Montreal Pierre Elliott Trudeau Intl

Tue 1/20

5:25 pm-12:39 pm

3 stops20h 14m

$555

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 12/23

3:47 pm-12:30 am

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 12/28

4:35 pm-10:59 pm

1 stop31h 24m

$560

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 12/2

7:42 pm-3:10 pm

1 stop18h 28m

Montreal Pierre Elliott Trudeau Intl

Tue 12/9

3:50 pm-11:50 am

1 stop21h 00m

$563

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 12/13

3:30 pm-12:30 am

1 stop8h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 12/15

12:50 pm-5:10 pm

1 stop5h 20m

$579

SpringfieldMontreal

SGF - YUL

SGFYUL

Springfield-Branson

Tue 3/31

5:53 am-3:00 pm

1 stop8h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 4/1

7:10 am-8:18 pm

2 stops14h 08m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 34 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, December is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of $141). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in March is currently the most expensive (average of $397). 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.

What is the cheapest time of day to fly from MO to YUL?

Find hourly flight availability from Missouri to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 67% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

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 20h 05m. Missouri and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 1048 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?

    When deciding which route to take from Missouri to Montreal Pierre Elliott Trudeau Intl Airport consider Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl, Kansas City - Montreal Pierre Elliott Trudeau Intl or Springfield-Branson - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

  • What are the most reliable airlines from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Missouri, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Air Canada (82%), Jazz( 82%).

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

    On average you can expect to pay $1,143 for a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is $488 while the most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl) is currently priced at $379.

  • 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, December is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of $141). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in March is currently the most expensive (average of $397). 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.
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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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$162Average$631FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$187Average$583FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$564FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$517FlexibilityNo cancel feeOn-time71%
WestJetCheapest$469Average$708FlexibilityNo cancel feeOn-time60%

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