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Cheap flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport from C$ 212

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Missouri to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 26 January 2026.

Tue 17/26:00 a.m.
STL
-
YUL
1 stop8h 04m
American Airlines
Fri 20/23:45 p.m.
YUL
-
STL
1 stop19h 28m
American Airlines
Deal found 23/1C$ 504
Tue 10/34:24 p.m.
MCI
-
YUL
2 stops24h 01m
Multiple Airlines
Tue 17/38:00 a.m.
YUL
-
MCI
1 stop27h 23m
Multiple Airlines
Deal found 24/1C$ 505
Thu 5/36:00 a.m.
STL
-
YUL
1 stop8h 04m
American Airlines
Mon 9/33:45 p.m.
YUL
-
STL
1 stop8h 59m
American Airlines
Deal found 25/1C$ 522
Tue 10/35:00 a.m.
MCI
-
YUL
1 stop9h 05m
American Airlines
Tue 17/33:45 p.m.
YUL
-
MCI
1 stop18h 08m
American Airlines
Deal found 24/1C$ 533
Fri 20/311:26 a.m.
MCI
-
YUL
1 stop12h 19m
Multiple Airlines
Tue 24/36:45 a.m.
YUL
-
MCI
2 stops28h 38m
Multiple Airlines
Deal found 25/1C$ 585
Thu 16/44:55 p.m.
STL
-
YUL
1 stop30h 35m
Multiple Airlines
Fri 24/48:00 a.m.
YUL
-
STL
2 stops23h 50m
Multiple Airlines
Deal found 25/1C$ 620
Wed 15/46:00 a.m.
MCI
-
YUL
1 stop17h 30m
Multiple Airlines
Mon 20/46:45 a.m.
YUL
-
MCI
2 stops41h 48m
Multiple Airlines
Deal found 25/1C$ 625
Thu 16/44:55 p.m.
STL
-
YUL
1 stop30h 35m
Multiple Airlines
Sun 26/48:00 a.m.
YUL
-
STL
2 stops23h 50m
Multiple Airlines
Deal found 25/1C$ 625
Thu 19/26:00 a.m.
STL
-
YUL
1 stop8h 04m
British Airways
Mon 23/212:59 p.m.
YUL
-
STL
2 stops11h 49m
British Airways
Deal found 26/1C$ 649
Thu 16/46:00 a.m.
STL
-
YUL
1 stop4h 44m
American Airlines
Sat 25/412:30 p.m.
YUL
-
STL
1 stop12h 18m
American Airlines
Deal found 25/1C$ 652
Sun 12/47:50 p.m.
MCI
-
YUL
1 stop14h 54m
American Airlines
Sat 18/412:30 p.m.
YUL
-
MCI
1 stop12h 29m
American Airlines
Deal found 26/1C$ 667
Wed 15/44:09 p.m.
MCI
-
YUL
1 stop18h 35m
American Airlines
Mon 20/412:30 p.m.
YUL
-
MCI
1 stop11h 16m
American Airlines
Deal found 25/1C$ 671

Find 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 26 January 2026.

Round-trip from

C$ 504

One-way from

C$ 212

Popular in

December

Cheapest in

September

Average price

C$ 520
American Airlines
  • American Airlines
  • 17/2-20/2
  • 2 total stops
  • 27h 32m total
  • Missouri to Montreal
Search Deals
American Airlines
  • American Airlines
  • 18/3
  • 1 total stop
  • 8h 05m total
  • Missouri to Montreal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 629,999 searches. Data last updated 26 January 2026.
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 17/2

6:00 a.m.-3:04 p.m.

1 stop8h 04m

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

3:45 p.m.-10:13 a.m.

1 stop19h 28m

C$ 504

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 11/3

6:00 a.m.-3:05 p.m.

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

3:45 p.m.-11:44 p.m.

1 stop8h 59m

C$ 504

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 10/3

4:24 p.m.-5:25 p.m.

2 stops24h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

8:00 a.m.-10:23 a.m.

1 stop27h 23m

C$ 505

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 10/3

6:37 p.m.-3:05 p.m.

1 stop19h 28m

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

7:30 a.m.-5:58 p.m.

2 stops11h 28m

C$ 518

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 27/4

2:29 p.m.-11:44 a.m.

1 stop20h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

1:03 p.m.-11:48 p.m.

2 stops11h 45m

C$ 518

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 5/3

6:00 a.m.-3:04 p.m.

1 stop8h 04m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

3:45 p.m.-11:44 p.m.

1 stop8h 59m

C$ 522

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 10/3

5:00 a.m.-3:05 p.m.

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

3:45 p.m.-8:53 a.m.

1 stop18h 08m

C$ 533

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Fri 20/3

11:26 a.m.-12:45 a.m.

1 stop12h 19m

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

4:35 p.m.-11:53 p.m.

1 stop8h 18m

C$ 585

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 16/4

4:55 p.m.-12:30 a.m.

1 stop30h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

8:00 a.m.-6:50 a.m.

2 stops23h 50m

C$ 620

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Wed 15/4

6:00 a.m.-12:30 a.m.

1 stop17h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:45 a.m.-11:33 p.m.

2 stops41h 48m

C$ 625

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Showing 1-10 of 37 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, May is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 205). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 885). 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.

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?

    A quick flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport can take about 8h 04m. American Airlines provides one of the quickest options available for as low as C$ 504. Missouri and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 1556 km. This flight may include one or multiple stops.

  • What are the most popular routes from Missouri to Montreal Pierre Elliott Trudeau Intl Airport?

    The most popular route from Missouri to Montreal Pierre Elliott Trudeau Intl Airport is Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl. You may also consider Kansas City - Montreal Pierre Elliott Trudeau Intl or Joplin - Montreal Pierre Elliott Trudeau Intl.

  • 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, May is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 205). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 885). 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

Travelling 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
Dorval
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Saint-Sauveur
Louiseville

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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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Greensboro to Pierre Elliott Trudeau Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Missouri to Pierre Elliott Trudeau Intl?

Deals for Missouri to Pierre Elliott Trudeau Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Missouri to Pierre Elliott Trudeau Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Pierre Elliott Trudeau Intl from Missouri.

Can Cheapflights find flights from Missouri to Pierre Elliott Trudeau Intl with no change fees?

Yes, we can. To see specific flights from Missouri to Pierre Elliott Trudeau Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Missouri to Pierre Elliott Trudeau Intl become cheaper?

Yes! Start tracking prices for Missouri to Pierre Elliott Trudeau Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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