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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri from C$ 231

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STL
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Missouri

Enter your travel dates to find the best prices.

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 29 January 2026.

Mon 20/412:30 p.m.
YUL
-
STL
1 stop12h 18m
American Airlines
Sat 25/46:27 a.m.
STL
-
YUL
1 stop8h 00m
American Airlines
Deal found 27/1C$ 569
Thu 26/33:45 p.m.
YUL
-
STL
1 stop8h 59m
American Airlines
Mon 30/36:57 p.m.
STL
-
YUL
1 stop17h 48m
American Airlines
Deal found 27/1C$ 576
Thu 26/33:45 p.m.
YUL
-
STL
1 stop8h 59m
American Airlines
Sun 29/38:00 a.m.
STL
-
YUL
1 stop5h 58m
American Airlines
Deal found 27/1C$ 618
Sat 14/38:00 a.m.
YUL
-
MCI
1 stop27h 23m
Multiple Airlines
Sun 22/311:26 a.m.
MCI
-
YUL
1 stop28h 02m
Multiple Airlines
Deal found 27/1C$ 622
Thu 16/410:15 a.m.
YUL
-
MCI
3 stops14h 44m
Multiple Airlines
Sat 18/412:12 p.m.
MCI
-
YUL
3 stops27h 43m
Multiple Airlines
Deal found 27/1C$ 630
Tue 24/36:00 a.m.
YUL
-
STL
1 stop4h 46m
Delta
Mon 30/35:25 p.m.
STL
-
YUL
1 stop5h 15m
Delta
Deal found 27/1C$ 641
Thu 26/36:00 a.m.
YUL
-
STL
1 stop4h 46m
Delta
Mon 30/37:03 a.m.
STL
-
YUL
1 stop9h 28m
Delta
Deal found 28/1C$ 642
Sun 10/56:15 p.m.
YUL
-
STL
1 stop6h 23m
Delta
Sat 16/53:50 p.m.
STL
-
YUL
1 stop6h 44m
Delta
Deal found 28/1C$ 646
Sun 10/56:10 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sat 16/57:30 a.m.
STL
-
YUL
1 stop4h 51m
Air Canada
Deal found 28/1C$ 650
Wed 25/35:25 p.m.
YUL
-
STL
2 stops14h 52m
Multiple Airlines
Sun 29/37:52 a.m.
STL
-
YUL
1 stop15h 38m
Multiple Airlines
Deal found 28/1C$ 661
Tue 3/31:40 p.m.
YUL
-
MCI
3 stops26h 49m
Multiple Airlines
Fri 6/311:26 a.m.
MCI
-
YUL
3 stops28h 04m
Multiple Airlines
Deal found 27/1C$ 662
Sat 28/38:00 a.m.
YUL
-
MCI
1 stop27h 23m
Multiple Airlines
Sun 5/45:45 a.m.
MCI
-
YUL
1 stop17h 45m
Multiple Airlines
Deal found 27/1C$ 676

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 29 January 2026.

Round-trip from

C$ 569

One-way from

C$ 231

Popular in

September

Cheapest in

February

Average price

C$ 680

Good one-way deal

C$ 487 or less
American Airlines
  • American Airlines
  • 20/4-25/4
  • 2 total stops
  • 20h 18m total
  • Montreal to Missouri
Search Deals
American Airlines
  • American Airlines
  • 11/3
  • 1 total stop
  • 8h 59m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 197 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 January 2026
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Missouri.
Search Deals

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 629,999 searches. Data last updated 29 January 2026.
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

Mon 20/4

12:30 p.m.-11:48 p.m.

1 stop12h 18m

Lambert-St Louis

Sat 25/4

6:00 a.m.-11:44 a.m.

1 stop4h 44m

C$ 569

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

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

1 stop8h 59m

Lambert-St Louis

Sun 29/3

8:00 a.m.-2:58 p.m.

1 stop5h 58m

C$ 618

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

10:15 a.m.-11:59 p.m.

3 stops14h 44m

Kansas City

Sat 18/4

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

3 stops27h 43m

C$ 630

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

6:00 a.m.-9:46 a.m.

1 stop4h 46m

Lambert-St Louis

Mon 30/3

5:25 p.m.-11:40 p.m.

1 stop5h 15m

C$ 641

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

7:45 a.m.-12:40 p.m.

1 stop5h 55m

Kansas City

Sat 18/4

7:50 p.m.-11:44 a.m.

1 stop14h 54m

C$ 641

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

7:00 a.m.-11:30 a.m.

1 stop5h 30m

Lambert-St Louis

Sat 16/5

1:30 p.m.-11:58 p.m.

1 stop9h 28m

C$ 642

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

9:20 a.m.-4:31 p.m.

1 stop8h 11m

Lambert-St Louis

Mon 30/3

5:59 p.m.-11:13 p.m.

1 stop4h 14m

C$ 642

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 14/3

7:00 a.m.-12:07 p.m.

1 stop6h 07m

Lambert-St Louis

Sat 21/3

5:29 p.m.-11:40 p.m.

1 stop5h 11m

C$ 642

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

7:00 a.m.-2:24 p.m.

1 stop8h 24m

Lambert-St Louis

Sun 29/3

6:10 a.m.-1:37 p.m.

1 stop6h 27m

C$ 642

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

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

Nonstop2h 55m

Lambert-St Louis

Sat 16/5

7:30 a.m.-1:21 p.m.

1 stop4h 51m

C$ 646

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 31 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 C$ 326). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 790). 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.

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 29 January 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Montreal Pierre Elliott Trudeau Intl Airport to Missouri. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

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
8,127 reviews
Delta
7.9
Good
8,127 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

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.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

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
3,253 reviews
Delta
7.9
Good
8,127 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

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
10,667 reviews
Delta
7.9
Good
8,127 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

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?

    American Airlines, Delta, and United Airlines can get you from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in just under 4h 46m. Your travel time can differ by up to 7h 32m. Airlines will cover a distance of 1556 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Most travellers choose Montreal Pierre Elliott Trudeau Intl - Kansas City, Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis or Montreal Pierre Elliott Trudeau Intl - Cape Girardeau when deciding on the best route from Montreal Pierre Elliott Trudeau Intl Airport to Missouri.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri?

    On average you can expect to pay C$ 487 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri. The cheapest flight overall is C$ 487 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Kansas City) is currently priced at C$ 622.

  • 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 C$ 326). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 790). 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

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Top 4 airlines flying from Pierre Elliott Trudeau Intl to Missouri

Discover the top 4 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 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 423AverageC$ 691FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 429AverageC$ 566FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 532AverageC$ 744FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 569AverageC$ 868FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from Pierre Elliott Trudeau Intl to Missouri for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Missouri, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Pierre Elliott Trudeau Intl to Missouri 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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