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Pierre Elliott Trudeau Intl

$137+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$333
(American Airlines)

One-way from

$137
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$533

Good round-trip deal

$721 or less

Good one-way deal

$508 or less
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. 6% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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 9/28:01 pmSTL - YUL
1 stop14h 44mAmerican Airlines
Mon 9/85:15 pmYUL - STL
1 stop17h 11mAmerican Airlines
Deal found 7/1$333
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Thu 9/45:30 amMCI - YUL
2 stops14h 47mMultiple Airlines
Sat 9/66:45 amYUL - MCI
2 stops17h 23mMultiple Airlines
Deal found 7/2$364
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:17 amMCI - YUL
1 stop10h 25mAmerican Airlines
Sun 8/175:29 pmYUL - MCI
1 stop16h 04mAmerican Airlines
Deal found 7/2$384
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:35 amSTL - YUL
1 stop9h 51mUnited Airlines
Sat 9/68:20 amYUL - STL
1 stop8h 24mUnited Airlines
Deal found 7/1$402
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Thu 8/142:30 pmSTL - YUL
3 stops21h 00mMultiple Airlines
Sun 8/174:45 pmYUL - STL
3 stops21h 47mMultiple Airlines
Deal found 7/1$409
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amMCI - YUL
1 stop11h 50mUnited Airlines
Mon 11/241:10 pmYUL - MCI
1 stop9h 40mUnited Airlines
Deal found 7/2$427
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amSTL - YUL
1 stop9h 07mDelta
Tue 9/96:00 amYUL - STL
1 stop10h 29mDelta
Deal found 7/1$431
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:00 amSGF - YUL
1 stop9h 42mAmerican Airlines
Sat 8/2312:30 pmYUL - SGF
1 stop9h 55mAmerican Airlines
Deal found 7/2$436
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/168:05 amJLN - YUL
1 stop26h 53mUnited Airlines
Sat 8/231:20 pmYUL - JLN
1 stop11h 23mUnited Airlines
Deal found 7/2$605
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:25 pmSGF - YUL
2 stops17h 44mUnited Airlines
Wed 8/69:15 amYUL - SGF
2 stops15h 29mUnited Airlines
Deal found 7/2$759
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Mon 8/41:21 pmSGF - YUL
3 stops34h 06mMultiple Airlines
Wed 8/64:00 pmYUL - SGF
3 stops20h 01mMultiple Airlines
Deal found 7/2$886

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 July 3, 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

Tue 9/2

8:01 pm-11:45 am

1 stop14h 44m

Montreal Pierre Elliott Trudeau Intl

Wed 9/10

12:31 pm-8:32 pm

1 stop9h 01m

$333

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 9/4

5:30 am-9:17 pm

2 stops14h 47m

Montreal Pierre Elliott Trudeau Intl

Sat 9/6

6:45 am-11:08 pm

2 stops17h 23m

$364

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Thu 8/14

5:17 am-4:42 pm

1 stop10h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 8/17

5:29 pm-8:33 am

1 stop16h 04m

$384

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 9/3

6:35 am-5:26 pm

1 stop9h 51m

Montreal Pierre Elliott Trudeau Intl

Sat 9/13

8:20 am-3:44 pm

1 stop8h 24m

$402

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 8/14

2:30 pm-12:30 pm

3 stops21h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 8/17

4:45 pm-1:32 pm

3 stops21h 47m

$409

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 9/4

6:00 am-4:07 pm

1 stop9h 07m

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

6:00 am-3:29 pm

1 stop10h 29m

$431

SpringfieldMontreal

SGF - YUL

SGFYUL

Springfield-Branson

Sat 8/16

6:00 am-4:42 pm

1 stop9h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 8/23

12:30 pm-9:25 pm

1 stop9h 55m

$436

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 9/29

6:32 pm-11:57 am

1 stop16h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 10/3

6:10 pm-9:09 am

2 stops15h 59m

$489

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 8/13

12:05 pm-9:48 pm

1 stop8h 43m

Montreal Pierre Elliott Trudeau Intl

Sat 8/23

6:00 am-4:47 pm

2 stops11h 47m

$540

JoplinMontreal

JLN - YUL

JLNYUL

Joplin

Sat 8/16

8:05 am-11:58 am

1 stop26h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 8/23

1:20 pm-11:43 pm

1 stop11h 23m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 21 results
1
2
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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, January is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 July 3, 2025.

When flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Missouri to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Missouri to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from USMO to YUL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Missouri to Montreal Pierre Elliott Trudeau Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,917 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Missouri to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport are American Airlines ($137), United Airlines ($182), and Air Canada ($242).

  • 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: United Airlines (53%), Air Canada (27%), Jazz( 0%).

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

    On average you can expect to pay $1,973 for a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is $323 while the most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl) is currently priced at $354.

  • 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, January is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$141Average$537FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$187Average$582FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$553FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$330Average$551FlexibilityNo cancel feeOn-time71%
WestJetCheapest$416Average$575FlexibilityNo cancel feeOn-time60%

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