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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri from C$ 290

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STL
27 May — 3 Jun1
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 27 April 2026.

Fri 8/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sun 10/51:05 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 22/4C$ 556
Thu 25/66:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Tue 30/61:20 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 25/4C$ 567
Sun 10/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sat 16/57:05 a.m.
STL
-
YUL
1 stop5h 16m
Air Canada
Deal found 26/4C$ 574
Wed 20/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Wed 27/51:05 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 22/4C$ 577
Thu 27/84:55 p.m.
YUL
-
STL
Nonstop2h 47m
Air Canada
Mon 31/812:10 p.m.
STL
-
YUL
Nonstop2h 32m
Air Canada
Deal found 25/4C$ 578
Sun 10/57:00 a.m.
YUL
-
STL
1 stop6h 20m
Delta
Sat 16/512:59 p.m.
STL
-
YUL
1 stop9h 58m
Delta
Deal found 23/4C$ 582
Tue 2/66:00 a.m.
YUL
-
STL
1 stop8h 10m
Delta
Wed 3/66:04 p.m.
STL
-
YUL
1 stop4h 09m
Delta
Deal found 26/4C$ 584
Fri 8/57:00 a.m.
YUL
-
STL
1 stop10h 15m
Delta
Sun 10/51:59 p.m.
STL
-
YUL
1 stop8h 14m
Delta
Deal found 22/4C$ 585
Tue 2/66:00 a.m.
YUL
-
STL
1 stop7h 06m
Air Canada
Wed 3/61:05 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 24/4C$ 586
Wed 24/66:50 p.m.
YUL
-
MCI
2 stops15h 32m
Delta
Sat 27/66:25 a.m.
MCI
-
YUL
1 stop8h 55m
Delta
Deal found 25/4C$ 776
Mon 1/612:40 p.m.
YUL
-
MCI
1 stop9h 07m
WestJet
Tue 9/65:40 p.m.
MCI
-
YUL
1 stop17h 03m
WestJet
Deal found 22/4C$ 778
Wed 30/97:00 a.m.
YUL
-
MCI
1 stop6h 21m
WestJet
Sun 18/106:00 a.m.
MCI
-
YUL
1 stop16h 10m
WestJet
Deal found 25/4C$ 779

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 27 April 2026.

Round-trip from

C$ 556

One-way from

C$ 290

Popular in

May

Cheapest in

July

Average price

C$ 686

Good one-way deal

C$ 490 or less
Air Canada
  • Air Canada
  • 8/5-10/5
  • Nonstop
  • 5h 30m total
  • Montreal to Missouri
Search Deals
8/6
  • 8/6
  • 3 total stops
  • 36h 00m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 294 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 27 April 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
Quickest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

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

Nonstop2h 55m

Lambert-St Louis

Wed 27/5

1:05 p.m.-4:40 p.m.

Nonstop2h 35m

C$ 577

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.-3:49 p.m.

2 stops7h 44m

C$ 581

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

12:59 p.m.-11:57 p.m.

1 stop9h 58m

C$ 582

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

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

1 stop5h 38m

Lambert-St Louis

Fri 29/5

6:00 a.m.-9:26 p.m.

1 stop14h 26m

C$ 582

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

7:00 a.m.-12:20 p.m.

1 stop6h 20m

Lambert-St Louis

Wed 3/6

5:15 p.m.-11:57 p.m.

1 stop5h 42m

C$ 582

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

9:15 a.m.-9:18 p.m.

2 stops13h 03m

Lambert-St Louis

Wed 27/5

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

1 stop6h 09m

C$ 584

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

1 stop4h 29m

Lambert-St Louis

Sat 16/5

12:59 p.m.-11:57 p.m.

1 stop9h 58m

C$ 584

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:51 p.m.-11:59 p.m.

1 stop6h 08m

Lambert-St Louis

Mon 1/6

7:05 a.m.-5:43 p.m.

1 stop9h 38m

C$ 584

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

7:00 a.m.-4:17 p.m.

1 stop10h 17m

Lambert-St Louis

Wed 17/6

1:39 p.m.-11:59 p.m.

1 stop9h 20m

C$ 584

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

7:00 a.m.-4:15 p.m.

1 stop10h 15m

Lambert-St Louis

Sun 10/5

1:59 p.m.-11:13 p.m.

1 stop8h 14m

C$ 585

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 42 resultsSorted by cheapest first
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5

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$ 328). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 741). 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 27 April 2026.
Read reviews from past customers who have flown WestJet and Air Canada 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.
WestJet
7.2
Good
3,327 reviews
Check prices

Overall

7.2

Food

6.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..
WestJet
7.2
Good
3,327 reviews
WestJet
7.2
Good
3,327 reviews
Check prices

Overall

7.2

Food

6.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..
Air Canada
7.1
Good
10,974 reviews
WestJet
7.2
Good
3,327 reviews
Check prices

Overall

7.2

Food

6.2

Boarding

7.4

Crew

7.9

Entertainment

6.1

Comfort

7.0

Reviews

1 / 20
10.0
Excellent

Joseph,Feb 2026

YYJ - YEG

Is just a domestic flight can't complain at all..but everything is great..

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?

    Air Canada, Delta, and United Airlines can get you from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in just under 2h 55m. Your travel time can differ by up to 2h 43m. 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$ 490 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri. The cheapest flight overall is C$ 490 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Kansas City) is currently priced at C$ 776.

  • 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$ 328). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 741). 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 2 airlines flying from Pierre Elliott Trudeau Intl to Missouri

Discover the top 2 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 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 592AverageC$ 828FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 744AverageC$ 955FlexibilityNo 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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