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Cheap flights from Montreal to Missouri from C$ 235

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
22 Feb — 1 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Missouri

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Missouri
Explore the most affordable flight options available from Montreal to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 January 2026.

Tue 24/26:45 a.m.
YUL
-
STL
2 stops40h 42m
Multiple Airlines
Tue 3/33:49 p.m.
STL
-
YUL
1 stop7h 41m
Multiple Airlines
Deal found 20/1C$ 450
Wed 18/28:00 a.m.
YUL
-
MCI
1 stop27h 30m
Multiple Airlines
Wed 25/24:24 p.m.
MCI
-
YUL
2 stops23h 36m
Multiple Airlines
Deal found 20/1C$ 458
Sat 31/14:35 p.m.
YUL
-
STL
1 stop7h 58m
Multiple Airlines
Mon 2/210:16 a.m.
STL
-
YUL
2 stops37h 22m
Multiple Airlines
Deal found 21/1C$ 500
Wed 18/23:45 p.m.
YUL
-
MCI
1 stop8h 58m
American Airlines
Wed 25/25:00 a.m.
MCI
-
YUL
1 stop9h 04m
American Airlines
Deal found 20/1C$ 521
Tue 7/46:45 a.m.
YUL
-
STL
2 stops17h 40m
Multiple Airlines
Fri 10/48:41 a.m.
STL
-
YUL
1 stop14h 49m
Multiple Airlines
Deal found 22/1C$ 586
Mon 16/28:00 a.m.
YUL
-
STL
2 stops47h 51m
Multiple Airlines
Sun 22/23:49 p.m.
STL
-
YUL
1 stop7h 41m
Multiple Airlines
Deal found 22/1C$ 609
Thu 26/34:55 p.m.
YUL
-
STL
2 stops15h 07m
Multiple Airlines
Mon 30/37:47 a.m.
STL
-
YUL
1 stop15h 43m
Multiple Airlines
Deal found 20/1C$ 610
Wed 18/28:00 a.m.
YUL
-
MCI
1 stop27h 30m
Multiple Airlines
Tue 24/24:24 p.m.
MCI
-
YUL
2 stops24h 01m
Multiple Airlines
Deal found 22/1C$ 610
Tue 10/310:10 a.m.
YUL
-
STL
1 stop6h 19m
Air Canada
Mon 16/34:05 p.m.
STL
-
YUL
1 stop6h 17m
Air Canada
Deal found 22/1C$ 617
Fri 27/34:25 p.m.
YUL
-
MCI
1 stop18h 58m
Multiple Airlines
Mon 30/35:45 a.m.
MCI
-
YUL
2 stops14h 07m
Multiple Airlines
Deal found 20/1C$ 630
Sat 14/24:35 p.m.
YUL
-
STL
1 stop8h 24m
Multiple Airlines
Wed 18/23:49 p.m.
STL
-
YUL
2 stops24h 11m
Multiple Airlines
Deal found 20/1C$ 633
Sat 4/45:10 p.m.
YUL
-
STL
2 stops18h 20m
Multiple Airlines
Wed 8/44:54 p.m.
STL
-
YUL
1 stop30h 36m
Multiple Airlines
Deal found 20/1C$ 634

Find flight deals from Montreal to Missouri

Keep the following information in mind while searching for Montreal to Missouri flight deals. Data was last updated 23 January 2026.

Round-trip from

C$ 450

One-way from

C$ 235

Popular in

September

Cheapest in

February

Average price

C$ 692

Good one-way deal

C$ 495 or less
24/2-3/3
  • 24/2-3/3
  • 3 total stops
  • 48h 23m total
  • Montreal to Missouri
Search Deals
4/2
  • 4/2
  • 2 total stops
  • 28h 46m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 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 (YMQ) to Missouri.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 23 January 2026.
Use the filters below to find and compare flights from Montreal to Missouri that are best for you.

Fly from

Montreal

Fly to

Missouri

Route

Depart

Return

Price

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

6:45 a.m.-11:25 p.m.

2 stops17h 40m

Lambert-St Louis

Fri 10/4

8:41 a.m.-12:30 a.m.

1 stop14h 49m

C$ 586

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

4:55 p.m.-7:02 a.m.

2 stops15h 07m

Lambert-St Louis

Mon 30/3

7:47 a.m.-12:30 a.m.

1 stop15h 43m

C$ 610

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

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

2 stops18h 20m

Lambert-St Louis

Wed 8/4

4:54 p.m.-12:30 a.m.

1 stop30h 36m

C$ 634

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

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

1 stop8h 00m

Lambert-St Louis

Sat 25/4

12:23 p.m.-11:26 p.m.

1 stop10h 03m

C$ 637

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$ 637

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

6:45 p.m.-11:58 p.m.

1 stop6h 13m

Lambert-St Louis

Fri 10/4

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

1 stop5h 15m

C$ 637

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

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

1 stop4h 46m

Lambert-St Louis

Mon 30/3

7:03 a.m.-5:31 p.m.

1 stop9h 28m

C$ 637

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

7:00 a.m.-12:53 p.m.

1 stop6h 53m

Lambert-St Louis

Sat 11/7

3:42 p.m.-11:56 p.m.

1 stop7h 14m

C$ 637

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$ 641

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

8:05 a.m.-9:59 p.m.

2 stops14h 54m

Kansas City

Wed 25/2

11:32 a.m.-7:45 a.m.

2 stops19h 13m

C$ 641

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

Showing 1-10 of 33 results
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Best time to book a flight from Montreal to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Montreal 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 to Missouri

What is the cheapest month to book a flight from Montreal to Missouri?

Currently, October is the cheapest month in which you can book a flight from Montreal to Missouri (average of C$ 331). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 804). 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 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 23 January 2026.
Get a feel of what it's like to fly with WestJet and Air Canada from Montreal to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,249 reviews
Check prices

Crew

7.9

Comfort

7.0

Overall

7.2

Food

6.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying
WestJet
7.2
Good
3,249 reviews
WestJet
7.2
Good
3,249 reviews
Check prices

Crew

7.9

Comfort

7.0

Overall

7.2

Food

6.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying
Air Canada
7.1
Good
10,649 reviews
WestJet
7.2
Good
3,249 reviews
Check prices

Crew

7.9

Comfort

7.0

Overall

7.2

Food

6.2

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
2.0
Mediocre

Blaine,Dec 2025

YYC - YVR

The worst I’ve ever had in 50 years of flying

Related info for your journey

Find useful and relevant information for your journey from Montreal 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 to Missouri?

    Airlines like Delta, United Airlines, and American Airlines fly from Montreal to Missouri in about 8h. The time it takes to get you to your destination can typically vary by up to 9h 49m. There are 1556 km between Montreal and Missouri. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Montreal 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 to Missouri.

  • What are the cheapest flights from Montreal to Missouri?

    On average you can expect to pay C$ 495 for a flight from Montreal 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$ 610.

  • Can I find deals for flights from Montreal to Missouri that include hotel bookings?

    Yes. In addition to deals on Montreal to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Missouri.

  • Can I find deals for business class flights from Montreal to Missouri?

    Yes. Cheapflights offers flight deals from Montreal 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 to Missouri?

    Currently, October is the cheapest month in which you can book a flight from Montreal to Missouri (average of C$ 331). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 804). 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 Montreal to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Montreal to Missouri

Discover the top 4 airlines that operate flights from Montreal 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 23 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 430AverageC$ 688FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 437AverageC$ 575FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 541AverageC$ 756FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 561AverageC$ 877FlexibilityNo 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 Montreal to Missouri?

Deals for Montreal to Missouri 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 Montreal to Missouri?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal to Missouri.

Can Cheapflights find flights from Montreal to Missouri with no change fees?

Need flexible booking options for your flight to Missouri from Montreal? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to Missouri become cheaper?

Yes, Cheapflights offers price alerts on Montreal to Missouri flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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