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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri from C$ 296

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STL
14 Apr — 21 Apr1
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 15 March 2026.

Mon 20/412:30 p.m.
YUL
-
STL
1 stop12h 16m
American Airlines
Sat 25/42:33 p.m.
STL
-
YUL
1 stop20h 11m
American Airlines
Deal found 11/3C$ 536
Tue 28/412:30 p.m.
YUL
-
STL
1 stop12h 16m
American Airlines
Tue 5/54:30 p.m.
STL
-
YUL
1 stop18h 14m
American Airlines
Deal found 14/3C$ 541
Tue 5/512:30 p.m.
YUL
-
STL
1 stop10h 49m
American Airlines
Sat 9/58:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Deal found 15/3C$ 546
Sat 25/412:30 p.m.
YUL
-
STL
1 stop8h 39m
American Airlines
Sat 2/58:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Deal found 11/3C$ 565
Wed 15/41:20 p.m.
YUL
-
STL
1 stop8h 53m
United Airlines
Sat 18/48:21 a.m.
STL
-
YUL
1 stop8h 09m
United Airlines
Deal found 11/3C$ 597
Sat 23/512:30 p.m.
YUL
-
STL
1 stop12h 24m
American Airlines
Sat 30/59:08 a.m.
STL
-
YUL
1 stop6h 45m
American Airlines
Deal found 11/3C$ 637
Sat 2/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sun 3/51:00 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 14/3C$ 667
Sat 25/412:30 p.m.
YUL
-
MCI
1 stop11h 27m
American Airlines
Mon 4/54:17 p.m.
MCI
-
YUL
1 stop18h 27m
American Airlines
Deal found 11/3C$ 672
Thu 28/58:30 a.m.
YUL
-
STL
2 stops13h 46m
United Airlines
Mon 1/68:15 p.m.
STL
-
YUL
1 stop14h 41m
United Airlines
Deal found 11/3C$ 674
Sun 26/410:10 a.m.
YUL
-
STL
1 stop6h 15m
Air Canada
Sun 3/51:00 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 12/3C$ 685
Mon 27/412:30 p.m.
YUL
-
MCI
1 stop12h 29m
American Airlines
Mon 4/53:28 p.m.
MCI
-
YUL
1 stop19h 50m
American Airlines
Deal found 13/3C$ 711
Wed 27/56:00 a.m.
YUL
-
MCI
2 stops9h 20m
United Airlines
Wed 27/55:45 p.m.
MCI
-
YUL
1 stop5h 28m
United Airlines
Deal found 12/3C$ 746

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 15 March 2026.

Round-trip from

C$ 513

One-way from

C$ 296

Popular in

May

Cheapest in

July

Average price

C$ 992

Good one-way deal

C$ 492 or less
American Airlines
  • American Airlines
  • 20/4-25/4
  • 2 total stops
  • 26h 57m total
  • Montreal to Missouri
Search Deals
26/4
  • 26/4
  • 2 total stops
  • 23h 50m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 15 March 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

1:20 p.m.-9:13 p.m.

1 stop8h 53m

Lambert-St Louis

Sat 18/4

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

1 stop8h 09m

C$ 597

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

8:30 a.m.-9:16 p.m.

2 stops13h 46m

Lambert-St Louis

Mon 1/6

8:15 p.m.-11:26 a.m.

2 stops14h 11m

C$ 674

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

10:10 a.m.-3:25 p.m.

1 stop6h 15m

Lambert-St Louis

Sun 3/5

1:00 p.m.-4:35 p.m.

Nonstop2h 35m

C$ 685

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

6:00 a.m.-9:29 a.m.

1 stop4h 29m

Lambert-St Louis

Tue 26/5

6:04 p.m.-8:39 a.m.

2 stops13h 35m

C$ 715

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:10 a.m.-10:48 a.m.

1 stop5h 38m

Lambert-St Louis

Sat 16/5

7:45 a.m.-9:26 p.m.

1 stop12h 41m

C$ 715

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:00 a.m.-9:29 a.m.

1 stop4h 29m

Lambert-St Louis

Sat 16/5

5:36 p.m.-11:41 p.m.

1 stop5h 05m

C$ 716

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

6:00 a.m.-3:46 p.m.

2 stops10h 46m

Lambert-St Louis

Tue 26/5

6:00 a.m.-4:10 p.m.

2 stops9h 10m

C$ 716
Quickest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:30 p.m.-8:25 p.m.

Nonstop2h 55m

Lambert-St Louis

Sat 16/5

7:05 a.m.-1:21 p.m.

1 stop5h 16m

C$ 720

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

8:00 p.m.-6:02 p.m.

2 stops23h 02m

Lambert-St Louis

Sun 16/8

6:00 a.m.-11:56 p.m.

1 stop16h 56m

C$ 728

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

2:20 p.m.-9:13 p.m.

2 stops7h 53m

Lambert-St Louis

Sat 9/5

1:24 p.m.-9:26 p.m.

1 stop7h 02m

C$ 730

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 38 resultsSorted by cheapest first
1
2
3
4

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$ 329). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 798). 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 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 15 March 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
8,293 reviews
Check prices

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

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
8,293 reviews
Delta
7.9
Good
8,293 reviews
Check prices

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

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
9,427 reviews
Delta
7.9
Good
8,293 reviews
Check prices

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

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
3,295 reviews
Delta
7.9
Good
8,293 reviews
Check prices

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

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
10,801 reviews
Delta
7.9
Good
8,293 reviews
Check prices

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

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?

    United Airlines, Air Canada, and Delta can get you from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in just under 4h 29m. Your travel time can differ by up to 4h 24m. 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$ 492 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri. The cheapest flight overall is C$ 492 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Kansas City) is currently priced at C$ 720.

  • 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$ 329). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 798). 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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Alternative routes for Pierre Elliott Trudeau Intl to Missouri

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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 15 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 427AverageC$ 765FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 434AverageC$ 721FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 594AverageC$ 831FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 616AverageC$ 862FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Pierre Elliott Trudeau Intl to Missouri via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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