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$144+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/145:25 pmYUL - MCI
2 stops25h 31mMultiple Airlines
Mon 12/226:15 pmMCI - YUL
1 stop19h 55mMultiple Airlines
Deal found 12/10$545
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/145:25 pmYUL - MCI
2 stops25h 31mMultiple Airlines
Sun 12/216:15 pmMCI - YUL
1 stop21h 08mMultiple Airlines
Deal found 12/10$557
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/134:35 pmYUL - MCI
1 stop31h 40mMultiple Airlines
Mon 12/226:15 pmMCI - YUL
1 stop19h 55mMultiple Airlines
Deal found 12/10$567
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/145:25 pmYUL - MCI
2 stops25h 31mMultiple Airlines
Wed 12/243:47 pmMCI - YUL
1 stop7h 43mMultiple Airlines
Deal found 12/10$593
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/145:25 pmYUL - MCI
2 stops25h 31mMultiple Airlines
Tue 12/236:15 pmMCI - YUL
1 stop19h 55mMultiple Airlines
Deal found 12/10$601
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/257:08 amYUL - STL
1 stop13h 22mAmerican Airlines
Fri 1/25:30 amSTL - YUL
1 stop8h 54mAmerican Airlines
Deal found 12/11$606
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/277:30 amYUL - STL
1 stop14h 21mAmerican Airlines
Wed 12/314:53 pmSTL - YUL
1 stop21h 17mAmerican Airlines
Deal found 12/11$620
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/262:26 pmYUL - STL
1 stop6h 04mAmerican Airlines
Fri 1/25:30 amSTL - YUL
1 stop8h 54mAmerican Airlines
Deal found 12/11$628
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/277:30 amYUL - STL
1 stop14h 21mAmerican Airlines
Fri 1/25:30 amSTL - YUL
1 stop8h 54mAmerican Airlines
Deal found 12/11$630
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/259:15 amYUL - STL
2 stops13h 28mUnited Airlines
Fri 1/28:05 amSTL - YUL
1 stop6h 52mUnited Airlines
Deal found 12/11$706
This Air Canada deal was found by Cheapflights users on 12/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:10 amYUL - STL
1 stop5h 19mAir Canada
Fri 1/29:55 amSTL - YUL
2 stops10h 57mAir Canada
Deal found 12/11$727

Find 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 December 12, 2025.

Round-trip from

$373
(American Airlines)

One-way from

$144
(Trip.com)

Popular in

June

Cheapest in

July

Average price

$772
From Montreal Pierre Elliott Trudeau Intl to Missouri
Search Deals
One-way flight from Montreal Pierre Elliott Trudeau Intl to Missouri
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Wed 1/21

3:50 pm-10:20 am

1 stop19h 30m

Lambert-St Louis

Wed 2/4

6:00 am-3:08 pm

1 stop8h 08m

$373

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

5:25 pm-10:31 am

2 stops18h 06m

Kansas City

Thu 2/12

11:26 am-4:22 pm

1 stop27h 56m

$460

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 2/12

3:55 pm-9:34 am

1 stop18h 39m

Lambert-St Louis

Wed 2/18

6:00 am-3:10 pm

1 stop8h 10m

$465

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 1/30

7:30 pm-12:36 pm

1 stop18h 06m

Lambert-St Louis

Mon 2/2

5:56 pm-11:12 pm

1 stop4h 16m

$493

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

7:30 pm-12:36 pm

1 stop18h 06m

Lambert-St Louis

Mon 1/19

6:35 am-6:37 pm

2 stops11h 02m

$499

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:30 am-10:39 pm

2 stops16h 09m

Kansas City

Tue 2/10

6:00 am-3:08 pm

1 stop8h 08m

$500

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 1/28

12:50 pm-8:37 pm

1 stop8h 47m

Lambert-St Louis

Sat 1/31

5:56 pm-11:12 pm

1 stop4h 16m

$515

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 1/15

4:00 pm-4:09 pm

3 stops25h 09m

Kansas City

Sat 1/17

5:04 pm-5:45 pm

3 stops23h 41m

$519

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 1/21

9:15 am-9:13 pm

2 stops12h 58m

Lambert-St Louis

Wed 2/4

10:10 am-9:42 pm

2 stops10h 32m

$547

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

2:13 pm-9:13 pm

2 stops8h 00m

Lambert-St Louis

Mon 1/19

9:57 am-7:48 pm

2 stops8h 51m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 24 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, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri (average of $240). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of $582). 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 December 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 50% on flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri by exploring options for tickets in the evening.

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 December 12, 2025.
See what other customers who have flown with Delta, WestJet, 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
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,194 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,514 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 18h 06m. 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 United Airlines, with whom users have recently found tickets for as low as $184. However, be on the lookout for offers from American 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 Air Canada (69%), Jazz (69%) and United Airlines (69%).

  • 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, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri (average of $240). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of $582). 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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Top 3 airlines flying from Pierre Elliott Trudeau Intl to Missouri

Discover the top 3 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$421Average$867FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$435Average$561FlexibilityNo cancel feeOn-time67%
DeltaCheapest$452Average$511FlexibilityNo cancel feeOn-timeN/A

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