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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Missouri from C$ 199

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STL
11 Jan — 18 Jan1
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 12 December 2025.

Sun 14/125:25 p.m.YUL - MCI
2 stops25h 31mMultiple Airlines
Mon 22/126:15 p.m.MCI - YUL
1 stop19h 55mMultiple Airlines
Deal found 10/12C$ 752
Sun 14/125:25 p.m.YUL - MCI
2 stops25h 31mMultiple Airlines
Sun 21/126:15 p.m.MCI - YUL
1 stop21h 08mMultiple Airlines
Deal found 10/12C$ 768
Sat 13/124:35 p.m.YUL - MCI
1 stop31h 40mMultiple Airlines
Mon 22/126:15 p.m.MCI - YUL
1 stop19h 55mMultiple Airlines
Deal found 10/12C$ 782
Sun 14/125:25 p.m.YUL - MCI
2 stops25h 31mMultiple Airlines
Wed 24/123:47 p.m.MCI - YUL
1 stop7h 43mMultiple Airlines
Deal found 10/12C$ 818
Sun 14/125:25 p.m.YUL - MCI
2 stops25h 31mMultiple Airlines
Tue 23/126:15 p.m.MCI - YUL
1 stop19h 55mMultiple Airlines
Deal found 10/12C$ 829
Sat 27/127:30 a.m.YUL - STL
1 stop14h 21mAmerican Airlines
Wed 31/124:53 p.m.STL - YUL
1 stop21h 17mAmerican Airlines
Deal found 11/12C$ 855
Fri 26/122:26 p.m.YUL - STL
1 stop6h 04mAmerican Airlines
Fri 2/15:30 a.m.STL - YUL
1 stop8h 54mAmerican Airlines
Deal found 11/12C$ 866
Fri 26/1211:10 a.m.YUL - STL
1 stop5h 19mAir Canada
Fri 2/19:55 a.m.STL - YUL
2 stops10h 57mAir Canada
Deal found 11/12C$ 1,003
Sat 27/126:45 a.m.YUL - STL
2 stops16h 58mMultiple Airlines
Wed 31/125:02 p.m.STL - YUL
2 stops18h 20mMultiple Airlines
Deal found 11/12C$ 1,077
Fri 19/127:30 a.m.YUL - STL
1 stop5h 59mAmerican Airlines
Sat 3/15:00 a.m.STL - YUL
1 stop7h 46mAmerican Airlines
Deal found 10/12C$ 1,116
Fri 19/129:25 a.m.YUL - STL
1 stop9h 29mAir Canada
Sat 3/16:35 p.m.STL - YUL
1 stop14h 45mAir Canada
Deal found 11/12C$ 1,129

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 12 December 2025.

Round-trip from

C$ 514

One-way from

C$ 199

Popular in

September

Cheapest in

February

Average price

C$ 670

Good one-way deal

C$ 495 or less
American Airlines
  • American Airlines
  • 21/1-4/2
  • 2 total stops
  • 27h 38m total
  • Montreal to Missouri
Search Deals
25/1
  • 25/1
  • 1 total stop
  • 27h 31m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
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

Wed 21/1

3:50 p.m.-10:20 a.m.

1 stop19h 30m

Lambert-St Louis

Wed 4/2

6:00 a.m.-3:08 p.m.

1 stop8h 08m

C$ 514

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

5:25 p.m.-10:31 a.m.

2 stops18h 06m

Kansas City

Thu 12/2

11:26 a.m.-4:22 p.m.

1 stop27h 56m

C$ 634

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

3:55 p.m.-9:34 a.m.

1 stop18h 39m

Lambert-St Louis

Wed 18/2

6:00 a.m.-3:10 p.m.

1 stop8h 10m

C$ 641

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

7:30 p.m.-12:36 p.m.

1 stop18h 06m

Lambert-St Louis

Mon 2/2

5:56 p.m.-11:12 p.m.

1 stop4h 16m

C$ 680

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

7:30 a.m.-10:39 p.m.

2 stops16h 09m

Kansas City

Tue 10/2

6:00 a.m.-3:08 p.m.

1 stop8h 08m

C$ 690

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

12:50 p.m.-8:37 p.m.

1 stop8h 47m

Lambert-St Louis

Sat 31/1

5:56 p.m.-11:12 p.m.

1 stop4h 16m

C$ 710

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

4:00 p.m.-4:09 p.m.

3 stops25h 09m

Kansas City

Sat 17/1

5:04 p.m.-5:45 p.m.

3 stops23h 41m

C$ 716

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

9:15 a.m.-9:13 p.m.

2 stops12h 58m

Lambert-St Louis

Wed 4/2

10:10 a.m.-9:42 p.m.

2 stops10h 32m

C$ 754

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:15 p.m.-11:38 p.m.

1 stop6h 23m

Lambert-St Louis

Sat 16/5

5:30 p.m.-11:34 p.m.

1 stop5h 04m

C$ 770

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

12:10 p.m.-9:59 p.m.

2 stops10h 49m

Kansas City

Tue 10/2

11:29 a.m.-9:17 p.m.

1 stop8h 48m

C$ 778

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 23 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$ 331). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 803). 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.

What is the cheapest time of day to fly from YUL to MO?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in the afternoon. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the evening.

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 12 December 2025.
Read reviews from past customers who have flown United Airlines,WestJet, andAir 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.
United Airlines
7.4
Good
9,095 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
WestJet
7.2
Good
3,195 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Air Canada
7.1
Good
10,516 reviews
United Airlines
7.4
Good
9,095 reviews
Check prices

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 and Delta can get you from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in just under 18h 06m. Your travel time can differ by up to 1h 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 most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Missouri?

    No one likes to see their flight delayed. When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri consider choosing Air Canada (69%), Jazz (69%) or United Airlines (69%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay C$ 495 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Missouri. The cheapest flight overall is C$ 495 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Kansas City) is currently priced at C$ 474.

  • 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$ 331). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Missouri in August is currently the most expensive (average of C$ 803). 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 3 airlines flying from Pierre Elliott Trudeau Intl to Missouri

Discover the top 3 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 412AverageC$ 697FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 541AverageC$ 743FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 560AverageC$ 885FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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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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