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$189+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Missouri

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STL
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap flight deals from Pierre Elliott Trudeau Intl to Missouri

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Missouri flight deals. Data was last updated September 19, 2025.

Round-trip from

$363
(American Airlines)

One-way from

$189
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$450

Good round-trip deal

$1,065 or less
From Montreal Pierre Elliott Trudeau Intl to Missouri
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Missouri
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High demand for flights, 3% potential price rise
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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 September 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Missouri.
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Find flight deals from Pierre Elliott Trudeau Intl to Missouri

Cheapest flights from Pierre Elliott Trudeau Intl to Missouri
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This American Airlines deal was found by Cheapflights users on 9/17. 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 11/112:30 pmYUL - STL
1 stop10h 38mAmerican Airlines
Sat 11/87:58 pmSTL - YUL
1 stop18h 13mAmerican Airlines
Deal found 9/17$363
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:45 amYUL - MCI
2 stops16h 14mMultiple Airlines
Mon 11/35:11 pmMCI - YUL
1 stop20h 59mMultiple Airlines
Deal found 9/18$368
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/297:50 amYUL - STL
2 stops11h 30mAmerican Airlines
Wed 11/56:00 amSTL - YUL
2 stops15h 39mAmerican Airlines
Deal found 9/17$377
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:45 amYUL - MCI
2 stops16h 14mMultiple Airlines
Sat 11/81:44 pmMCI - YUL
1 stop9h 46mMultiple Airlines
Deal found 9/18$395
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:45 amYUL - MCI
1 stop16h 14mMultiple Airlines
Mon 11/35:11 pmMCI - YUL
1 stop20h 59mMultiple Airlines
Deal found 9/18$397
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:45 amYUL - MCI
2 stops16h 14mMultiple Airlines
Fri 11/710:09 amMCI - YUL
1 stop13h 21mMultiple Airlines
Deal found 9/18$398
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:45 amYUL - MCI
2 stops15h 00mMultiple Airlines
Mon 11/35:11 pmMCI - YUL
1 stop20h 59mMultiple Airlines
Deal found 9/18$400
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:45 amYUL - MCI
2 stops16h 14mMultiple Airlines
Sun 11/25:15 amMCI - YUL
1 stop18h 15mMultiple Airlines
Deal found 9/18$407
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:45 amYUL - MCI
1 stop16h 14mMultiple Airlines
Sat 11/81:44 pmMCI - YUL
1 stop9h 46mMultiple Airlines
Deal found 9/18$409
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:45 amYUL - MCI
1 stop16h 14mMultiple Airlines
Fri 11/710:09 amMCI - YUL
1 stop13h 21mMultiple Airlines
Deal found 9/18$410
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:45 amYUL - MCI
1 stop16h 14mMultiple Airlines
Thu 11/611:12 amMCI - YUL
2 stops26h 58mMultiple Airlines
Deal found 9/18$411
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:45 amYUL - MCI
1 stop10h 31mMultiple Airlines
Thu 11/611:12 amMCI - YUL
2 stops26h 58mMultiple Airlines
Deal found 9/18$412

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 19, 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

Pierre Elliott Trudeau Intl

Fly to

Missouri

Route

Depart

Return

Price

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

12:30 pm-10:08 pm

1 stop10h 38m

Lambert-St Louis

Sat 11/8

7:58 pm-3:11 pm

1 stop18h 13m

$363

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 10/29

7:50 am-6:20 pm

2 stops11h 30m

Lambert-St Louis

Wed 11/5

6:00 am-10:39 pm

2 stops15h 39m

$377

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 10/30

6:45 am-9:59 pm

2 stops16h 14m

Kansas City

Fri 11/7

10:09 am-12:30 am

1 stop13h 21m

$398

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 10/25

6:45 am-9:59 pm

1 stop16h 14m

Kansas City

Fri 11/7

10:09 am-12:30 am

1 stop13h 21m

$410

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

4:35 pm-9:59 pm

1 stop30h 24m

Kansas City

Fri 11/7

10:09 am-12:30 am

1 stop13h 21m

$449

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 11/5

7:30 pm-8:13 am

1 stop13h 43m

Lambert-St Louis

Wed 11/12

9:35 am-6:40 pm

1 stop8h 05m

$454

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 10/25

6:45 am-9:59 pm

1 stop16h 14m

Kansas City

Sun 11/2

5:15 am-10:45 pm

2 stops16h 30m

$479

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 10/29

6:00 am-3:49 pm

1 stop10h 49m

Lambert-St Louis

Wed 11/5

6:30 am-6:40 pm

1 stop11h 10m

$482

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 10/17

3:10 pm-9:59 pm

3 stops31h 49m

Kansas City

Fri 10/24

5:11 pm-2:20 pm

2 stops20h 09m

$498

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 10/31

6:45 am-4:16 pm

1 stop10h 31m

Kansas City

Sat 11/8

1:44 pm-12:30 am

1 stop9h 46m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 33 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Missouri

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

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri (average of $311). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in March is currently the most expensive (average of $356). 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 YUL to MO?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri as you normally would.

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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Missouri. 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 September 19, 2025.

The most flights from YUL to USMO 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).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated September 19, 2025.
See what other customers who have flown with Delta and Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Missouri. 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 Montreal Pierre Elliott Trudeau Intl Airport to Missouri?

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in 10h 38m. Fly via American Airlines or Delta to get the fastest option. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Missouri is about 967 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $212. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Missouri for a low price.

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

    The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri are Sun Country Air (100%), Air Canada (70%) and Jazz (70%).

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

    Looking at all options, your cheapest flight can be booked for $561. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Kansas City) can be booked for $398 on average, our data indicates $1,065 when flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Missouri 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 Montreal Pierre Elliott Trudeau Intl Airport to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri (average of $311). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in March is currently the most expensive (average of $356). 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.

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Alternative routes for Pierre Elliott Trudeau Intl to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Pierre Elliott Trudeau Intl to Missouri

Discover the top 2 airlines that operate flights from Pierre Elliott Trudeau Intl to Missouri. 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$435Average$561FlexibilityNo cancel feeOn-time67%
DeltaCheapest$452Average$511FlexibilityNo cancel feeOn-timeN/A

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