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Cheap flights from Montreal to Missouri from C$ 353

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — MCI
27 Jun — 4 Jul1
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 28 May 2026.

Mon 22/66:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Wed 24/61:20 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 26/5C$ 530
Thu 9/74:55 p.m.
YUL
-
STL
Nonstop2h 47m
Air Canada
Sat 25/712:10 p.m.
STL
-
YUL
Nonstop2h 32m
Air Canada
Deal found 28/5C$ 545
Thu 15/104:55 p.m.
YUL
-
STL
Nonstop2h 46m
Air Canada
Mon 19/1012:10 p.m.
STL
-
YUL
Nonstop2h 31m
Air Canada
Deal found 27/5C$ 546
Thu 2/79:10 a.m.
YUL
-
STL
1 stop5h 52m
Air Canada
Wed 8/78:55 a.m.
STL
-
YUL
1 stop6h 27m
Air Canada
Deal found 28/5C$ 568
Mon 22/66:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Mon 29/61:20 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 25/5C$ 614
Thu 18/66:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Mon 22/61:20 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 26/5C$ 619
Fri 10/74:55 p.m.
YUL
-
STL
Nonstop2h 47m
Air Canada
Sat 25/712:10 p.m.
STL
-
YUL
Nonstop2h 32m
Air Canada
Deal found 28/5C$ 625
Thu 18/66:00 a.m.
YUL
-
STL
1 stop4h 32m
Delta
Mon 22/67:08 a.m.
STL
-
YUL
1 stop9h 37m
Delta
Deal found 24/5C$ 626
Tue 30/67:00 a.m.
YUL
-
MCI
2 stops13h 17m
Delta
Sun 5/76:25 a.m.
MCI
-
YUL
1 stop8h 52m
Delta
Deal found 27/5C$ 682
Fri 26/69:45 a.m.
YUL
-
MCI
1 stop14h 32m
United Airlines
Sat 11/76:05 a.m.
MCI
-
YUL
1 stop15h 01m
United Airlines
Deal found 27/5C$ 755
Sat 4/75:34 p.m.
YUL
-
MCI
1 stop15h 58m
American Airlines
Sat 18/712:15 p.m.
MCI
-
YUL
1 stop9h 41m
American Airlines
Deal found 27/5C$ 767
Fri 26/65:33 p.m.
YUL
-
MCI
1 stop15h 58m
American Airlines
Sun 28/66:31 a.m.
MCI
-
YUL
1 stop15h 28m
American Airlines
Deal found 27/5C$ 782

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 28 May 2026.

Round-trip from

C$ 530

One-way from

C$ 353

Popular in

September

Cheapest in

July

Average price

C$ 702

Good round-trip deal

C$ 605 or less
Air Canada
  • Air Canada
  • 22/6-24/6
  • Nonstop
  • 5h 30m total
  • Montreal to Missouri
Search Deals
Delta
  • Delta
  • 7/7
  • 2 total stops
  • 14h 16m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip 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 28 May 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

Thu 18/6

7:00 a.m.-12:34 p.m.

1 stop6h 34m

Lambert-St Louis

Mon 22/6

3:57 p.m.-11:55 p.m.

1 stop6h 58m

C$ 626

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

9:45 a.m.-3:46 p.m.

1 stop7h 01m

Lambert-St Louis

Sat 25/7

9:20 a.m.-7:45 p.m.

2 stops9h 25m

C$ 647

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 14/8

6:00 a.m.-3:38 p.m.

2 stops10h 38m

Lambert-St Louis

Mon 17/8

8:00 a.m.-7:45 p.m.

2 stops10h 45m

C$ 647

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

7:00 a.m.-12:56 p.m.

1 stop6h 56m

Lambert-St Louis

Wed 21/10

5:30 p.m.-11:51 p.m.

1 stop5h 21m

C$ 647

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

3:25 p.m.-11:29 p.m.

2 stops9h 04m

Lambert-St Louis

Sat 18/7

6:00 a.m.-2:40 p.m.

2 stops7h 40m

C$ 647

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

6:00 a.m.-9:36 a.m.

1 stop4h 36m

Lambert-St Louis

Mon 19/10

3:42 p.m.-11:51 p.m.

1 stop7h 09m

C$ 647

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

6:10 a.m.-10:34 a.m.

1 stop5h 24m

Lambert-St Louis

Sat 25/7

9:20 a.m.-7:45 p.m.

2 stops9h 25m

C$ 647

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

9:45 a.m.-3:46 p.m.

1 stop7h 01m

Lambert-St Louis

Sat 8/8

1:18 p.m.-10:06 p.m.

2 stops7h 48m

C$ 647
Quickest round-trip

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 26/6

9:45 a.m.-2:20 p.m.

1 stop5h 35m

Kansas City

Sun 28/6

6:05 a.m.-1:09 p.m.

1 stop6h 04m

C$ 755

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 26/6

9:45 a.m.-5:36 p.m.

1 stop8h 51m

Kansas City

Sat 11/7

7:53 a.m.-10:06 p.m.

2 stops13h 13m

C$ 755

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/5

Showing 1-10 of 34 resultsSorted by cheapest first
1
2
3
4

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$ 299). Flying from Montreal to Missouri in January is currently the most expensive (average of C$ 726). 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 YMQ to MO?

Find hourly flight availability from Montreal 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 28 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal to Missouri as you normally would.

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 28 May 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
3,347 reviews
Check prices

Comfort

7.0

Crew

7.9

Food

6.2

Boarding

7.4

Overall

7.2

Entertainment

6.1

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
3,347 reviews
WestJet
7.2
Good
3,347 reviews
Check prices

Comfort

7.0

Crew

7.9

Food

6.2

Boarding

7.4

Overall

7.2

Entertainment

6.1

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
11,095 reviews
WestJet
7.2
Good
3,347 reviews
Check prices

Comfort

7.0

Crew

7.9

Food

6.2

Boarding

7.4

Overall

7.2

Entertainment

6.1

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 Air Canada, Delta, and United Airlines fly from Montreal to Missouri in about 5h 12m. The time it takes to get you to your destination can typically vary by up to 1h 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 - 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.

  • 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$ 299). Flying from Montreal to Missouri in January is currently the most expensive (average of C$ 726). 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

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from Montreal to Missouri

Discover the top 2 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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 593AverageC$ 818FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 783AverageC$ 975FlexibilityNo 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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