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$134+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — MCI
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
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 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:35 pmYUL - STL
1 stop30h 58mMultiple Airlines
Mon 1/265:42 pmSTL - YUL
2 stops30h 01mMultiple Airlines
Deal found 12/21$652
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:40 pmYUL - STL
1 stop8h 36mDelta
Fri 1/26:29 amSTL - YUL
1 stop4h 30mDelta
Deal found 12/19$667
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Sat 12/277:30 amYUL - STL
1 stop14h 21mAmerican Airlines
Sat 1/35:22 amSTL - YUL
1 stop16h 36mAmerican Airlines
Deal found 12/20$689
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amYUL - STL
1 stop10h 28mDelta
Mon 1/266:00 amSTL - YUL
1 stop9h 55mDelta
Deal found 12/21$706
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Sat 12/273:50 pmYUL - STL
1 stop17h 45mAmerican Airlines
Fri 1/28:01 pmSTL - YUL
1 stop18h 09mAmerican Airlines
Deal found 12/20$739
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amYUL - STL
2 stops10h 27mUnited Airlines
Mon 1/269:57 amSTL - YUL
2 stops10h 45mUnited Airlines
Deal found 12/21$748
This Justfly.com deal was found by Cheapflights users on 12/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:40 pmYUL - MCI
1 stop9h 31mWestJet
Mon 12/296:30 amMCI - YUL
1 stop4h 29mWestJet
Deal found 12/21$774
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 12/263:50 pmYUL - STL
1 stop9h 05mAmerican Airlines
Fri 1/26:41 amSTL - YUL
1 stop7h 29mAmerican Airlines
Deal found 12/21$782
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:00 amYUL - MCI
1 stop8h 50mDelta
Fri 1/26:30 amMCI - YUL
1 stop4h 29mDelta
Deal found 12/21$793
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:15 amYUL - MCI
1 stop12h 16mUnited Airlines
Fri 1/26:00 amMCI - YUL
2 stops8h 16mUnited Airlines
Deal found 12/20$794
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amYUL - STL
1 stop10h 28mDelta
Wed 12/316:29 amSTL - YUL
1 stop4h 29mDelta
Deal found 12/21$799
This FlightHub deal was found by Cheapflights users on 12/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:45 amYUL - STL
2 stops11h 16mWestJet
Fri 1/27:10 amSTL - YUL
1 stop9h 50mWestJet
Deal found 12/19$820

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 22, 2025.

Round-trip from

$384
(Kiwi.com)

One-way from

$134
(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 22, 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

Sun 2/8

8:00 am-11:33 pm

2 stops40h 33m

Lambert-St Louis

Sun 2/15

3:49 pm-12:30 am

1 stop7h 41m

$384

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

4:20 pm-4:09 pm

2 stops24h 49m

Kansas City

Tue 2/10

7:00 am-7:05 am

3 stops23h 05m

$425

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

3:50 pm-10:20 am

1 stop19h 30m

Lambert-St Louis

Mon 1/19

6:00 am-3:08 pm

1 stop8h 08m

$461

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

7:00 am-11:12 pm

1 stop17h 12m

Lambert-St Louis

Wed 2/11

6:00 am-3:08 pm

1 stop8h 08m

$481

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

2:45 pm-6:51 am

1 stop17h 06m

Lambert-St Louis

Mon 1/19

5:11 pm-12:43 am

2 stops30h 32m

$496

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 3/21

7:00 am-2:24 pm

1 stop8h 24m

Lambert-St Louis

Tue 3/31

5:15 pm-8:30 am

1 stop14h 15m

$514

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 3/21

7:00 am-2:24 pm

1 stop8h 24m

Lambert-St Louis

Sun 4/5

3:05 pm-11:40 pm

1 stop7h 35m

$524

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 1/28

1:02 pm-4:37 pm

1 stop4h 35m

Lambert-St Louis

Sat 1/31

6:35 am-12:12 pm

1 stop4h 37m

$524

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 1/22

7:00 am-2:49 pm

1 stop8h 49m

Lambert-St Louis

Mon 1/26

6:35 am-12:12 pm

1 stop4h 37m

$524

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 3/21

7:30 am-12:28 pm

1 stop5h 58m

Lambert-St Louis

Sat 3/21

6:33 pm-3:03 pm

1 stop19h 30m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 36 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 22, 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.

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

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 22, 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
8,014 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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
3,209 reviews
Delta
7.9
Good
8,014 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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
10,551 reviews
Delta
7.9
Good
8,014 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

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 8h 24m. Fly via American Airlines, Delta, or KLM 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.

  • 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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Alternative routes for Pierre Elliott Trudeau Intl to Missouri

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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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$315Average$490FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$421Average$915FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$435Average$561FlexibilityNo cancel feeOn-time67%

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