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Cheap flights from Montreal to Missouri from C$ 274

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
9 Jun — 16 Jun1
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 10 May 2026.

Tue 2/612:30 p.m.
YUL
-
STL
1 stop12h 44m
American Airlines
Tue 9/66:15 a.m.
STL
-
YUL
1 stop14h 23m
American Airlines
Deal found 6/5C$ 610
Mon 25/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Fri 29/51:05 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 6/5C$ 619
Sun 24/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sat 30/51:05 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 7/5C$ 621
Fri 12/68:10 a.m.
YUL
-
STL
1 stop4h 56m
Air Canada
Sun 14/61:05 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 6/5C$ 622
Fri 29/52:29 p.m.
YUL
-
STL
1 stop7h 10m
Delta
Mon 1/65:20 p.m.
STL
-
YUL
1 stop5h 37m
Delta
Deal found 9/5C$ 625
Sun 24/512:49 p.m.
YUL
-
STL
1 stop9h 20m
Delta
Sat 30/56:04 p.m.
STL
-
YUL
1 stop4h 09m
Delta
Deal found 7/5C$ 628
Fri 29/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Mon 1/62:15 p.m.
STL
-
YUL
1 stop5h 36m
Air Canada
Deal found 9/5C$ 629
Fri 29/512:30 p.m.
YUL
-
STL
1 stop5h 00m
American Airlines
Mon 1/65:40 p.m.
STL
-
YUL
1 stop17h 48m
American Airlines
Deal found 10/5C$ 637
Wed 26/84:55 p.m.
YUL
-
STL
Nonstop2h 47m
Air Canada
Sun 30/812:10 p.m.
STL
-
YUL
Nonstop2h 32m
Air Canada
Deal found 9/5C$ 639
Mon 20/76:47 p.m.
YUL
-
MCI
2 stops15h 32m
Delta
Fri 24/79:59 a.m.
MCI
-
YUL
2 stops12h 53m
Delta
Deal found 6/5C$ 759
Fri 12/66:50 p.m.
YUL
-
MCI
2 stops15h 32m
Delta
Mon 15/610:02 a.m.
MCI
-
YUL
2 stops12h 53m
Delta
Deal found 7/5C$ 773
Thu 25/66:10 a.m.
YUL
-
MCI
1 stop10h 50m
United Airlines
Thu 25/66:41 p.m.
MCI
-
YUL
1 stop14h 59m
United Airlines
Deal found 9/5C$ 838

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 10 May 2026.

Round-trip from

C$ 610

One-way from

C$ 274

Popular in

September

Cheapest in

July

Average price

C$ 695

Good round-trip deal

C$ 599 or less

Good one-way deal

C$ 491 or less
American Airlines
  • American Airlines
  • 2/6-9/6
  • 2 total stops
  • 27h 07m total
  • Montreal to Missouri
Search Deals
21/7
  • 21/7
  • 3 total stops
  • 35h 36m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 46 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
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 10 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

Fri 29/5

7:00 a.m.-12:20 p.m.

1 stop6h 20m

Lambert-St Louis

Mon 1/6

5:20 p.m.-11:57 p.m.

1 stop5h 37m

C$ 625

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

2:29 p.m.-8:39 p.m.

1 stop7h 10m

Lambert-St Louis

Mon 8/6

1:39 p.m.-11:55 p.m.

1 stop9h 16m

C$ 625

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

5:07 p.m.-8:39 p.m.

1 stop4h 32m

Lambert-St Louis

Wed 17/6

1:39 p.m.-11:55 p.m.

1 stop9h 16m

C$ 628
Quickest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

6:00 a.m.-9:29 a.m.

1 stop4h 29m

Lambert-St Louis

Wed 3/6

5:15 p.m.-11:57 p.m.

1 stop5h 42m

C$ 628

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

6:00 a.m.-9:29 a.m.

1 stop4h 29m

Lambert-St Louis

Thu 11/6

1:39 p.m.-11:55 p.m.

1 stop9h 16m

C$ 628

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

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

1 stop5h 00m

Lambert-St Louis

Mon 1/6

5:40 p.m.-12:28 p.m.

1 stop17h 48m

C$ 637

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

7:00 a.m.-3:58 p.m.

1 stop9h 58m

Lambert-St Louis

Mon 19/10

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

1 stop5h 21m

C$ 645

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

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

1 stop6h 53m

Lambert-St Louis

Wed 30/9

7:20 a.m.-5:05 p.m.

1 stop8h 45m

C$ 645

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:47 p.m.-9:19 a.m.

2 stops15h 32m

Kansas City

Fri 24/7

9:59 a.m.-11:52 p.m.

2 stops12h 53m

C$ 759

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

6:50 p.m.-9:22 a.m.

2 stops15h 32m

Kansas City

Mon 15/6

10:02 a.m.-11:55 p.m.

2 stops12h 53m

C$ 773

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 38 resultsSorted by cheapest first
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2
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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$ 295). Flying from Montreal to Missouri in January is currently the most expensive (average of C$ 718). 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 10 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.

Weekly flight availability from Montreal to Missouri

Explore weekly flight availability from Montreal to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 May 2026.

The most flights from YMQ to USMO are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 10 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
3,332 reviews
Check prices

Overall

7.2

Entertainment

6.1

Food

6.2

Crew

7.9

Boarding

7.4

Comfort

7.0

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
3,332 reviews
WestJet
7.2
Good
3,332 reviews
Check prices

Overall

7.2

Entertainment

6.1

Food

6.2

Crew

7.9

Boarding

7.4

Comfort

7.0

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
11,012 reviews
WestJet
7.2
Good
3,332 reviews
Check prices

Overall

7.2

Entertainment

6.1

Food

6.2

Crew

7.9

Boarding

7.4

Comfort

7.0

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 Delta and United Airlines fly from Montreal to Missouri in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 4h 30m. 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$ 600 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 491 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis) is currently priced at C$ 626.

  • 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$ 295). Flying from Montreal to Missouri in January is currently the most expensive (average of C$ 718). 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 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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 586AverageC$ 809FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 745AverageC$ 964FlexibilityNo 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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