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Cheap flights from Montreal to Missouri from C$ 301

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
23 Apr — 30 Apr1
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 24 March 2026.

Tue 5/512:30 p.m.
YUL
-
STL
1 stop10h 49m
American Airlines
Tue 12/58:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Deal found 20/3C$ 432
Wed 15/412:30 p.m.
YUL
-
STL
1 stop10h 47m
American Airlines
Tue 21/48:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Deal found 19/3C$ 449
Sat 2/512:30 p.m.
YUL
-
STL
1 stop8h 39m
American Airlines
Sat 9/52:33 p.m.
STL
-
YUL
1 stop20h 11m
American Airlines
Deal found 18/3C$ 539
Tue 5/59:15 a.m.
YUL
-
STL
2 stops12h 58m
United Airlines
Tue 12/57:45 a.m.
STL
-
YUL
1 stop12h 41m
United Airlines
Deal found 20/3C$ 582
Sun 19/48:00 a.m.
YUL
-
STL
2 stops23h 50m
Multiple Airlines
Wed 22/44:59 p.m.
STL
-
YUL
1 stop30h 31m
Multiple Airlines
Deal found 19/3C$ 617
Mon 20/46:45 p.m.
YUL
-
STL
1 stop5h 51m
Delta
Sat 25/45:59 p.m.
STL
-
YUL
1 stop4h 09m
Delta
Deal found 20/3C$ 630
Wed 29/41:20 p.m.
YUL
-
STL
1 stop10h 51m
United Airlines
Sat 2/56:30 a.m.
STL
-
YUL
1 stop10h 00m
United Airlines
Deal found 19/3C$ 631
Sun 10/512:30 p.m.
YUL
-
STL
1 stop10h 49m
American Airlines
Sat 16/58:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Deal found 18/3C$ 645
Fri 24/46:45 p.m.
YUL
-
STL
1 stop5h 51m
Delta
Sat 30/55:15 p.m.
STL
-
YUL
1 stop5h 42m
Delta
Deal found 20/3C$ 681
Mon 20/46:35 p.m.
YUL
-
STL
2 stops14h 50m
United Airlines
Sat 25/47:45 a.m.
STL
-
YUL
1 stop8h 45m
United Airlines
Deal found 20/3C$ 685
Wed 6/512:30 p.m.
YUL
-
MCI
1 stop12h 29m
American Airlines
Mon 11/54:51 p.m.
MCI
-
YUL
1 stop18h 27m
American Airlines
Deal found 19/3C$ 685
Fri 17/46:45 p.m.
YUL
-
STL
1 stop5h 51m
Delta
Tue 21/46:48 a.m.
STL
-
YUL
2 stops11h 03m
Delta
Deal found 21/3C$ 686

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 24 March 2026.

Round-trip from

C$ 432

One-way from

C$ 301

Popular in

September

Cheapest in

February

Average price

C$ 704

Good one-way deal

C$ 492 or less
American Airlines
  • American Airlines
  • 5/5-12/5
  • 2 total stops
  • 25h 30m total
  • Montreal to Missouri
Search Deals
5/5
  • 5/5
  • 3 total stops
  • 27h 25m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 24 March 2026.
Use the filters below to find and compare flights from Montreal to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

1:03 p.m.-11:46 p.m.

2 stops11h 43m

Lambert-St Louis

Sat 9/5

5:21 p.m.-11:44 a.m.

1 stop17h 23m

C$ 553

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:45 p.m.-11:36 p.m.

1 stop5h 51m

Lambert-St Louis

Sat 25/4

5:59 p.m.-11:08 p.m.

1 stop4h 09m

C$ 630

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

11:23 a.m.-9:52 p.m.

2 stops11h 29m

Lambert-St Louis

Tue 21/4

6:15 a.m.-1:09 p.m.

1 stop5h 54m

C$ 631

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

1:20 p.m.-11:11 p.m.

1 stop10h 51m

Lambert-St Louis

Sat 2/5

6:30 a.m.-5:30 p.m.

1 stop10h 00m

C$ 631

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

6:00 a.m.-9:42 a.m.

1 stop4h 42m

Lambert-St Louis

Sat 2/5

1:03 p.m.-11:51 p.m.

1 stop9h 48m

C$ 681
Quickest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

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

Nonstop2h 55m

Lambert-St Louis

Sat 9/5

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

Nonstop2h 35m

C$ 716

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

9:20 a.m.-6:58 p.m.

1 stop10h 38m

Kansas City

Mon 13/4

6:30 a.m.-1:39 p.m.

1 stop6h 09m

C$ 757

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

6:00 a.m.-9:49 a.m.

1 stop4h 49m

Kansas City

Fri 8/5

5:13 p.m.-11:57 p.m.

1 stop5h 44m

C$ 759

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:45 p.m.-11:50 p.m.

1 stop6h 05m

Kansas City

Fri 8/5

5:13 p.m.-11:57 p.m.

1 stop5h 44m

C$ 759

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

6:00 a.m.-4:03 p.m.

2 stops11h 03m

Kansas City

Sun 26/4

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

1 stop6h 09m

C$ 768

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 34 resultsSorted by cheapest first
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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$ 329). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 799). 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 24 March 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
3,300 reviews
Check prices

Boarding

7.4

Overall

7.2

Crew

7.9

Entertainment

6.1

Comfort

7.0

Food

6.2

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
3,300 reviews
WestJet
7.2
Good
3,300 reviews
Check prices

Boarding

7.4

Overall

7.2

Crew

7.9

Entertainment

6.1

Comfort

7.0

Food

6.2

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
10,836 reviews
WestJet
7.2
Good
3,300 reviews
Check prices

Boarding

7.4

Overall

7.2

Crew

7.9

Entertainment

6.1

Comfort

7.0

Food

6.2

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 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 and Delta fly from Montreal to Missouri in about 5h 51m. The time it takes to get you to your destination can typically vary by up to 5h 52m. 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$ 492 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 492 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Kansas City) is currently priced at C$ 753.

  • 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$ 329). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 799). 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 526AverageC$ 789FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 594AverageC$ 831FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 616AverageC$ 862FlexibilityNo 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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