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Cheap flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport from C$ 219

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
23 Mar — 30 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 21 February 2026.

Sun 5/48:00 a.m.
STL
-
YUL
1 stop5h 58m
American Airlines
Sun 12/47:29 a.m.
YUL
-
STL
1 stop6h 53m
American Airlines
Deal found 21/2C$ 326
Wed 1/46:00 a.m.
STL
-
YUL
1 stop7h 58m
American Airlines
Wed 8/412:30 p.m.
YUL
-
STL
1 stop10h 47m
American Airlines
Deal found 18/2C$ 417
Wed 29/48:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Sun 3/512:30 p.m.
YUL
-
STL
1 stop10h 49m
American Airlines
Deal found 19/2C$ 433
Mon 6/46:33 p.m.
STL
-
YUL
1 stop16h 11m
American Airlines
Mon 13/412:30 p.m.
YUL
-
STL
1 stop10h 47m
American Airlines
Deal found 20/2C$ 487
Thu 23/412:15 p.m.
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Wed 29/46:45 a.m.
YUL
-
MCI
1 stop29h 24m
Multiple Airlines
Deal found 20/2C$ 500
Thu 23/412:15 p.m.
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Sun 26/48:00 a.m.
YUL
-
MCI
1 stop28h 09m
Multiple Airlines
Deal found 20/2C$ 501
Thu 23/412:15 p.m.
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Tue 28/44:35 p.m.
YUL
-
MCI
1 stop8h 22m
Multiple Airlines
Deal found 20/2C$ 520
Thu 23/412:15 p.m.
MCI
-
YUL
1 stop27h 13m
Multiple Airlines
Sat 2/54:35 p.m.
YUL
-
MCI
1 stop8h 22m
Multiple Airlines
Deal found 20/2C$ 530
Mon 23/35:00 a.m.
MCI
-
YUL
1 stop9h 05m
American Airlines
Thu 26/33:45 p.m.
YUL
-
MCI
1 stop9h 09m
American Airlines
Deal found 20/2C$ 548
Sat 4/47:57 p.m.
MCI
-
YUL
1 stop18h 01m
American Airlines
Sat 11/412:30 p.m.
YUL
-
MCI
1 stop11h 22m
American Airlines
Deal found 18/2C$ 552
Sat 4/45:45 a.m.
MCI
-
YUL
1 stop17h 45m
Multiple Airlines
Sat 11/48:05 a.m.
YUL
-
MCI
2 stops16h 48m
Multiple Airlines
Deal found 18/2C$ 554
Wed 22/45:15 a.m.
MCI
-
YUL
1 stop18h 15m
Multiple Airlines
Sun 26/48:00 a.m.
YUL
-
MCI
1 stop28h 09m
Multiple Airlines
Deal found 20/2C$ 556

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 21 February 2026.

Round-trip from

C$ 326

One-way from

C$ 219

Popular in

December

Cheapest in

September

Average price

C$ 712
American Airlines
  • American Airlines
  • 11/4-13/4
  • 2 total stops
  • 23h 35m total
  • Missouri to Montreal
Search Deals
American Airlines
  • American Airlines
  • 23/3
  • 1 total stop
  • 8h 05m total
  • Missouri to Montreal
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (C$ 378 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 21 February 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

Wed 1/4

6:00 a.m.-2:58 p.m.

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

12:30 p.m.-10:17 p.m.

1 stop10h 47m

C$ 417

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 29/4

8:03 p.m.-11:44 a.m.

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

12:30 p.m.-10:19 p.m.

1 stop10h 49m

C$ 433

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/4

7:57 p.m.-2:58 p.m.

1 stop18h 01m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

12:30 p.m.-10:52 p.m.

1 stop11h 22m

C$ 552

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 4/4

5:45 a.m.-12:30 a.m.

1 stop17h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

8:05 a.m.-11:53 p.m.

2 stops16h 48m

C$ 554

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 20/4

6:45 p.m.-10:40 a.m.

1 stop14h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

6:30 p.m.-10:27 a.m.

1 stop16h 57m

C$ 688

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 25/4

8:00 a.m.-6:55 p.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:10 a.m.-9:59 p.m.

1 stop16h 49m

C$ 688

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 27/3

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

1 stop8h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

2:25 p.m.-8:35 a.m.

1 stop19h 10m

C$ 725

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 6/4

8:00 a.m.-6:55 p.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

6:30 p.m.-8:52 a.m.

1 stop15h 22m

C$ 734

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 29/4

8:21 a.m.-6:55 p.m.

1 stop9h 34m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:10 p.m.-8:05 p.m.

Nonstop2h 55m

C$ 739

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 6/6

5:15 a.m.-12:25 a.m.

2 stops18h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

6:00 a.m.-9:38 a.m.

1 stop4h 38m

C$ 768

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

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$ 879). 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.

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 7h 58m. American Airlines provides one of the quickest options available for as low as C$ 417. 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$ 879). 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
Trois-Rivières
Dorval
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
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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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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