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Cheap flights from Montreal to Missouri from C$ 262

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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 January 2026.

Round-trip from

C$ 466

One-way from

C$ 262

Popular in

September

Cheapest in

February

Average price

C$ 696

Good one-way deal

C$ 498 or less
American Airlines
  • American Airlines
  • 11/2-25/2
  • 2 total stops
  • 27h 17m total
  • Montreal to Missouri
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27/2
  • 27/2
  • 3 total stops
  • 23h 01m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 212 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
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Price to beat on a one-way flight from Montreal (YMQ) to Missouri.
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Find 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 January 2026.

Wed 11/23:50 p.m.
YUL
-
STL
1 stop19h 13m
American Airlines
Wed 25/26:00 a.m.
STL
-
YUL
1 stop8h 04m
American Airlines
Deal found 14/1C$ 466
Tue 12/58:15 a.m.
YUL
-
MCI
3 stops16h 44m
Multiple Airlines
Wed 20/56:00 a.m.
MCI
-
YUL
3 stops15h 15m
Multiple Airlines
Deal found 14/1C$ 475
Wed 11/28:00 a.m.
YUL
-
MCI
1 stop27h 30m
Multiple Airlines
Wed 25/27:00 a.m.
MCI
-
YUL
2 stops23h 05m
Multiple Airlines
Deal found 14/1C$ 476
Wed 11/28:00 a.m.
YUL
-
MCI
1 stop27h 30m
Multiple Airlines
Wed 18/24:24 p.m.
MCI
-
YUL
2 stops31h 14m
Multiple Airlines
Deal found 14/1C$ 478
Wed 11/28:00 a.m.
YUL
-
MCI
1 stop27h 30m
Multiple Airlines
Mon 23/210:55 a.m.
MCI
-
YUL
2 stops12h 35m
Multiple Airlines
Deal found 14/1C$ 498
Thu 19/23:45 p.m.
YUL
-
STL
1 stop9h 03m
American Airlines
Mon 23/26:00 a.m.
STL
-
YUL
1 stop8h 04m
American Airlines
Deal found 12/1C$ 514
Thu 12/23:45 p.m.
YUL
-
STL
1 stop9h 03m
American Airlines
Wed 25/36:00 a.m.
STL
-
YUL
1 stop8h 05m
American Airlines
Deal found 14/1C$ 529
Wed 11/28:00 a.m.
YUL
-
MCI
1 stop27h 30m
Multiple Airlines
Thu 26/211:26 a.m.
MCI
-
YUL
1 stop12h 19m
Multiple Airlines
Deal found 14/1C$ 539
Wed 11/23:50 p.m.
YUL
-
MCI
1 stop17h 52m
American Airlines
Wed 18/25:00 a.m.
MCI
-
YUL
1 stop9h 04m
American Airlines
Deal found 14/1C$ 544
Thu 12/23:45 p.m.
YUL
-
STL
1 stop9h 03m
American Airlines
Wed 18/36:00 a.m.
STL
-
YUL
1 stop8h 05m
American Airlines
Deal found 13/1C$ 557
Mon 6/44:35 p.m.
YUL
-
STL
1 stop30h 58m
Multiple Airlines
Thu 9/43:30 p.m.
STL
-
YUL
1 stop8h 00m
Multiple Airlines
Deal found 13/1C$ 579
Sun 15/28:00 a.m.
YUL
-
MCI
2 stops26h 53m
Multiple Airlines
Fri 20/211:26 a.m.
MCI
-
YUL
1 stop12h 19m
Multiple Airlines
Deal found 14/1C$ 584

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 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

Wed 11/2

3:50 p.m.-10:03 a.m.

1 stop19h 13m

Lambert-St Louis

Wed 25/2

6:00 a.m.-3:04 p.m.

1 stop8h 04m

C$ 466

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

3:45 p.m.-11:48 p.m.

1 stop9h 03m

Lambert-St Louis

Wed 25/3

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

1 stop8h 05m

C$ 529

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

8:00 a.m.-9:53 a.m.

2 stops26h 53m

Kansas City

Thu 26/2

11:26 a.m.-12:45 a.m.

1 stop12h 19m

C$ 646

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

1:10 p.m.-9:05 p.m.

1 stop8h 55m

Lambert-St Louis

Wed 18/3

5:00 a.m.-5:55 p.m.

2 stops11h 55m

C$ 654

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

8:50 a.m.-3:29 p.m.

2 stops7h 39m

Lambert-St Louis

Sat 31/1

4:05 p.m.-11:22 p.m.

1 stop6h 17m

C$ 672

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

10:25 a.m.-10:58 p.m.

2 stops13h 33m

Lambert-St Louis

Wed 25/2

6:25 a.m.-5:00 p.m.

2 stops9h 35m

C$ 676

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

6:25 p.m.-10:36 a.m.

1 stop17h 11m

Kansas City

Tue 24/2

8:00 a.m.-9:17 p.m.

1 stop12h 17m

C$ 676

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

12:30 p.m.-11:48 p.m.

1 stop12h 18m

Lambert-St Louis

Sat 25/4

2:12 p.m.-10:58 p.m.

1 stop7h 46m

C$ 677

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

7:00 a.m.-11:15 p.m.

1 stop17h 15m

Lambert-St Louis

Sun 29/3

5:59 p.m.-11:13 p.m.

1 stop4h 14m

C$ 679

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

1:10 p.m.-10:59 p.m.

1 stop10h 49m

Lambert-St Louis

Wed 25/3

8:17 a.m.-5:55 p.m.

2 stops8h 38m

C$ 679

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 37 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$ 333). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 808). 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 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
3,241 reviews
Check prices

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Comfort

7.0

Boarding

7.4

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
3,241 reviews
WestJet
7.2
Good
3,241 reviews
Check prices

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Comfort

7.0

Boarding

7.4

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
10,622 reviews
WestJet
7.2
Good
3,241 reviews
Check prices

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Comfort

7.0

Boarding

7.4

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 Air Canada fly from Montreal to Missouri in about 7h 39m. The time it takes to get you to your destination can typically vary by up to 11h 34m. 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 - Lambert-St Louis, Montreal Pierre Elliott Trudeau Intl - Kansas City 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$ 498 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 498 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis) is currently priced at C$ 558.

  • 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$ 333). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 808). 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 415AverageC$ 692FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 439AverageC$ 578FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 544AverageC$ 760FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 564AverageC$ 883FlexibilityNo 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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