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Cheap flights from Montreal 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.
YMQ — STL
17 Mar — 24 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 15 February 2026.

Tue 17/33:45 p.m.
YUL
-
STL
1 stop18h 06m
American Airlines
Tue 24/36:00 a.m.
STL
-
YUL
1 stop8h 05m
American Airlines
Deal found 13/2C$ 383
Mon 20/412:30 p.m.
YUL
-
STL
1 stop12h 16m
American Airlines
Sat 25/48:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Deal found 14/2C$ 432
Tue 31/33:45 p.m.
YUL
-
STL
1 stop8h 59m
American Airlines
Tue 7/46:00 a.m.
STL
-
YUL
1 stop4h 44m
American Airlines
Deal found 14/2C$ 545
Sat 2/512:30 p.m.
YUL
-
STL
1 stop10h 47m
American Airlines
Sun 10/55:46 a.m.
STL
-
YUL
1 stop4h 58m
American Airlines
Deal found 11/2C$ 554
Fri 27/33:45 p.m.
YUL
-
MCI
1 stop17h 57m
American Airlines
Mon 30/39:17 a.m.
MCI
-
YUL
1 stop4h 41m
American Airlines
Deal found 14/2C$ 562
Sat 2/56:10 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sun 10/51:00 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 11/2C$ 573
Thu 12/311:10 a.m.
YUL
-
STL
1 stop5h 19m
Air Canada
Mon 16/34:05 p.m.
STL
-
YUL
1 stop6h 27m
Air Canada
Deal found 12/2C$ 585
Sun 10/56:45 p.m.
YUL
-
STL
1 stop6h 14m
Delta
Sat 16/53:59 p.m.
STL
-
YUL
1 stop6h 42m
Delta
Deal found 13/2C$ 599
Thu 12/38:00 a.m.
YUL
-
MCI
2 stops16h 53m
Multiple Airlines
Thu 19/35:45 a.m.
MCI
-
YUL
2 stops9h 35m
Multiple Airlines
Deal found 12/2C$ 625
Mon 30/33:45 p.m.
YUL
-
MCI
1 stop17h 57m
American Airlines
Mon 6/45:00 a.m.
MCI
-
YUL
1 stop8h 58m
American Airlines
Deal found 14/2C$ 632
Fri 6/33:45 p.m.
YUL
-
MCI
1 stop17h 49m
American Airlines
Tue 10/35:00 a.m.
MCI
-
YUL
1 stop9h 05m
American Airlines
Deal found 13/2C$ 647
Mon 30/38:00 a.m.
YUL
-
MCI
1 stop28h 29m
Multiple Airlines
Mon 6/46:04 p.m.
MCI
-
YUL
2 stops21h 23m
Multiple Airlines
Deal found 14/2C$ 663

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 15 February 2026.

Round-trip from

C$ 383

One-way from

C$ 231

Popular in

September

Cheapest in

April

Average price

C$ 658

Good one-way deal

C$ 488 or less
American Airlines
  • American Airlines
  • 17/3-24/3
  • 2 total stops
  • 26h 11m 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. 14% potential increase in price (C$ 183 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 February 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 15 February 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 17/3

3:45 p.m.-8:51 a.m.

1 stop18h 06m

Lambert-St Louis

Tue 24/3

6:00 a.m.-3:05 p.m.

1 stop8h 05m

C$ 383

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

12:30 p.m.-11:46 p.m.

1 stop12h 16m

Lambert-St Louis

Sat 25/4

8:03 p.m.-11:44 a.m.

1 stop14h 41m

C$ 432

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

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

1 stop8h 59m

Lambert-St Louis

Tue 7/4

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

1 stop4h 44m

C$ 545

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

12:30 p.m.-10:17 p.m.

1 stop10h 47m

Lambert-St Louis

Sun 10/5

5:46 a.m.-11:44 a.m.

1 stop4h 58m

C$ 554

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

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

Nonstop2h 55m

Lambert-St Louis

Sun 10/5

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

Nonstop2h 35m

C$ 573

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:45 p.m.-11:59 p.m.

1 stop6h 14m

Lambert-St Louis

Sat 16/5

3:59 p.m.-11:41 p.m.

1 stop6h 42m

C$ 599

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-1:05 p.m.

1 stop8h 05m

Lambert-St Louis

Sat 25/4

7:20 a.m.-1:39 p.m.

1 stop5h 19m

C$ 600

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

3:45 p.m.-8:34 a.m.

1 stop17h 49m

Kansas City

Tue 10/3

5:00 a.m.-3:05 p.m.

1 stop9h 05m

C$ 647

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

8:00 a.m.-11:29 a.m.

1 stop28h 29m

Kansas City

Mon 6/4

6:04 p.m.-4:27 p.m.

2 stops21h 23m

C$ 663

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

2:13 p.m.-9:59 p.m.

2 stops8h 46m

Kansas City

Wed 18/3

8:00 a.m.-7:48 p.m.

2 stops10h 48m

C$ 697

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/2

Showing 1-10 of 28 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$ 327). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 792). 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 15 February 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
3,262 reviews
Check prices

Entertainment

6.1

Food

6.2

Crew

7.9

Boarding

7.4

Comfort

7.0

Overall

7.2

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
3,262 reviews
WestJet
7.2
Good
3,262 reviews
Check prices

Entertainment

6.1

Food

6.2

Crew

7.9

Boarding

7.4

Comfort

7.0

Overall

7.2

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
10,718 reviews
WestJet
7.2
Good
3,262 reviews
Check prices

Entertainment

6.1

Food

6.2

Crew

7.9

Boarding

7.4

Comfort

7.0

Overall

7.2

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 American Airlines, United Airlines, and Delta fly from Montreal to Missouri in about 5h 05m. The time it takes to get you to your destination can typically vary by up to 13h 01m. There are 1846 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$ 488 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 488 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Kansas City) is currently priced at C$ 625.

  • 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$ 327). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 792). 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 3 airlines flying from Montreal to Missouri

Discover the top 3 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 15 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 448AverageC$ 703FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 533AverageC$ 746FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 571AverageC$ 870FlexibilityNo 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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