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Cheap flights from Missouri to Montreal Pierre Elliott Trudeau Intl Airport from C$ 175

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
7 Apr — 14 Apr1
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 8 March 2026.

Mon 20/44:59 p.m.
STL
-
YUL
1 stop30h 31m
Multiple Airlines
Mon 27/48:00 a.m.
YUL
-
STL
2 stops47h 50m
Multiple Airlines
Deal found 6/3C$ 496
Wed 8/48:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Sat 11/412:30 p.m.
YUL
-
STL
1 stop8h 39m
American Airlines
Deal found 5/3C$ 506
Mon 11/58:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Sat 16/512:30 p.m.
YUL
-
STL
1 stop10h 49m
American Airlines
Deal found 7/3C$ 525
Mon 20/45:21 p.m.
STL
-
YUL
1 stop17h 23m
American Airlines
Mon 27/412:30 p.m.
YUL
-
STL
1 stop12h 16m
American Airlines
Deal found 6/3C$ 544
Thu 2/46:00 a.m.
STL
-
YUL
1 stop7h 58m
American Airlines
Mon 6/43:45 p.m.
YUL
-
STL
1 stop9h 20m
American Airlines
Deal found 3/3C$ 557
Tue 31/312:24 p.m.
MCI
-
YUL
2 stops11h 06m
Multiple Airlines
Mon 13/48:00 a.m.
YUL
-
MCI
1 stop28h 29m
Multiple Airlines
Deal found 6/3C$ 561
Sat 18/48:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Sat 25/412:30 p.m.
YUL
-
STL
1 stop10h 47m
American Airlines
Deal found 4/3C$ 561
Tue 31/312:24 p.m.
MCI
-
YUL
2 stops11h 06m
Multiple Airlines
Fri 10/44:35 p.m.
YUL
-
MCI
1 stop8h 18m
Multiple Airlines
Deal found 6/3C$ 639
Sat 18/46:01 p.m.
MCI
-
YUL
1 stop29h 29m
Multiple Airlines
Sat 25/48:00 a.m.
YUL
-
MCI
2 stops27h 58m
Multiple Airlines
Deal found 4/3C$ 655
Wed 8/412:24 p.m.
MCI
-
YUL
2 stops18h 36m
Multiple Airlines
Sun 12/48:00 a.m.
YUL
-
MCI
1 stop28h 29m
Multiple Airlines
Deal found 6/3C$ 662
Fri 17/44:47 p.m.
MCI
-
YUL
3 stops22h 43m
Multiple Airlines
Fri 24/45:10 p.m.
YUL
-
MCI
2 stops24h 56m
Multiple Airlines
Deal found 3/3C$ 681
Fri 17/48:56 a.m.
JLN
-
YUL
1 stop24h 44m
United Airlines
Tue 21/45:00 p.m.
YUL
-
JLN
1 stop21h 12m
United Airlines
Deal found 5/3C$ 697

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 8 March 2026.

Round-trip from

C$ 496

One-way from

C$ 175

Popular in

March

Cheapest in

June

Average price

C$ 1,113
20/4-27/4
  • 20/4-27/4
  • 3 total stops
  • 78h 21m total
  • Missouri to Montreal
Search Deals
American Airlines
  • American Airlines
  • 31/3
  • 1 total stop
  • 7h 58m total
  • Missouri to Montreal
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 8 March 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 30/3

8:21 a.m.-5:30 p.m.

1 stop8h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

9:45 a.m.-9:08 p.m.

1 stop12h 23m

C$ 633

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 11/5

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

1 stop14h 41m

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

12:30 p.m.-11:56 p.m.

1 stop12h 26m

C$ 678

JoplinMontreal

JLN - YUL

JLNYUL

Joplin

Fri 17/4

8:56 a.m.-10:40 a.m.

1 stop24h 44m

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

5:00 p.m.-1:12 p.m.

1 stop21h 12m

C$ 697

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Mon 13/4

11:30 a.m.-11:51 a.m.

1 stop23h 21m

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

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

1 stop16h 57m

C$ 770

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Tue 7/4

9:55 a.m.-6:56 p.m.

1 stop8h 01m

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

6:10 a.m.-2:25 p.m.

1 stop9h 15m

C$ 774

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 11/6

6:00 a.m.-1:09 p.m.

1 stop6h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 14/6

9:45 a.m.-3:46 p.m.

1 stop7h 01m

C$ 782

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 2/7

9:23 a.m.-5:30 p.m.

1 stop7h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 5/7

9:45 a.m.-3:46 p.m.

1 stop7h 01m

C$ 782

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 28/6

9:23 a.m.-5:30 p.m.

1 stop7h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 5/7

6:10 a.m.-12:11 p.m.

1 stop7h 01m

C$ 782

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 11/6

6:00 a.m.-1:09 p.m.

1 stop6h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

9:45 a.m.-2:23 p.m.

1 stop5h 38m

C$ 782

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 18/7

10:20 a.m.-5:30 p.m.

1 stop6h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

9:45 a.m.-2:23 p.m.

1 stop5h 38m

C$ 782

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 32 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 298). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 871). 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 5h 30m. United Airlines provides one of the quickest options available for as low as C$ 887. Missouri and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 1846 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, June is the cheapest month in which you can book a flight from Missouri to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 298). Flying from Missouri to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 871). 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
Montebello
Brossard
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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