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Cheap flights from Montreal to Missouri from C$ 264

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
30 May — 6 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 30 April 2026.

Thu 25/66:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Tue 30/61:20 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 25/4C$ 568
Sun 10/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sat 16/57:05 a.m.
STL
-
YUL
1 stop5h 16m
Air Canada
Deal found 26/4C$ 575
Thu 27/84:55 p.m.
YUL
-
STL
Nonstop2h 47m
Air Canada
Mon 31/812:10 p.m.
STL
-
YUL
Nonstop2h 32m
Air Canada
Deal found 25/4C$ 579
Fri 29/56:00 a.m.
YUL
-
STL
1 stop4h 29m
Delta
Mon 1/69:13 a.m.
STL
-
YUL
1 stop7h 30m
Delta
Deal found 27/4C$ 584
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 29/4C$ 587
Wed 3/66:35 p.m.
YUL
-
STL
2 stops18h 36m
United Airlines
Wed 10/66:00 a.m.
STL
-
YUL
2 stops7h 40m
United Airlines
Deal found 29/4C$ 595
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 25/4C$ 597
Fri 5/66:45 a.m.
YUL
-
MCI
3 stops27h 44m
Multiple Airlines
Fri 12/610:35 a.m.
MCI
-
YUL
2 stops12h 50m
Multiple Airlines
Deal found 29/4C$ 740
Fri 5/66:51 p.m.
YUL
-
MCI
1 stop5h 58m
WestJet
Fri 12/610:36 a.m.
MCI
-
YUL
1 stop12h 19m
WestJet
Deal found 29/4C$ 750
Mon 22/67:00 a.m.
YUL
-
MCI
1 stop6h 15m
Multiple Airlines
Tue 30/61:45 p.m.
MCI
-
YUL
2 stops33h 00m
Multiple Airlines
Deal found 28/4C$ 773
Wed 20/56:45 a.m.
YUL
-
MCI
2 stops27h 44m
Multiple Airlines
Sat 6/66:24 p.m.
MCI
-
YUL
1 stop16h 19m
Multiple Airlines
Deal found 29/4C$ 776
Wed 24/66:50 p.m.
YUL
-
MCI
2 stops15h 32m
Delta
Sat 27/66:25 a.m.
MCI
-
YUL
1 stop8h 55m
Delta
Deal found 25/4C$ 777

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 30 April 2026.

Round-trip from

C$ 568

One-way from

C$ 264

Popular in

May

Cheapest in

July

Average price

C$ 687

Good one-way deal

C$ 491 or less
Air Canada
  • Air Canada
  • 25/6-30/6
  • Nonstop
  • 5h 30m total
  • Montreal to Missouri
Search Deals
20/5
  • 20/5
  • 3 total stops
  • 34h 30m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 295 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 30 April 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

Tue 2/6

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

1 stop6h 20m

Lambert-St Louis

Wed 3/6

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

1 stop5h 42m

C$ 584

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:10 a.m.-12:11 p.m.

1 stop7h 01m

Lambert-St Louis

Tue 2/6

6:00 a.m.-4:10 p.m.

1 stop9h 10m

C$ 584

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:51 p.m.-11:59 p.m.

1 stop6h 08m

Lambert-St Louis

Mon 1/6

7:05 a.m.-5:43 p.m.

1 stop9h 38m

C$ 584

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

6:00 a.m.-1:10 p.m.

1 stop8h 10m

Lambert-St Louis

Wed 10/6

12:35 p.m.-6:54 p.m.

1 stop5h 19m

C$ 594

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

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

1 stop5h 24m

Lambert-St Louis

Sat 20/6

1:13 p.m.-12:13 a.m.

2 stops10h 00m

C$ 595

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

9:45 a.m.-2:23 p.m.

1 stop5h 38m

Lambert-St Louis

Wed 10/6

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

2 stops7h 40m

C$ 595

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

9:15 a.m.-9:22 p.m.

2 stops13h 07m

Lambert-St Louis

Mon 31/8

6:55 p.m.-10:40 a.m.

1 stop14h 45m

C$ 605

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

6:00 a.m.-6:15 p.m.

2 stops13h 15m

Kansas City

Sun 18/10

6:00 a.m.-12:15 p.m.

1 stop5h 15m

C$ 777

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

9:30 a.m.-10:28 p.m.

1 stop13h 58m

Kansas City

Sun 28/6

7:00 a.m.-5:45 p.m.

1 stop9h 45m

C$ 805

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

7:44 p.m.-9:45 a.m.

1 stop15h 01m

Kansas City

Sat 6/6

1:36 p.m.-11:57 p.m.

1 stop9h 21m

C$ 813

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 38 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$ 296). 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.

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 30 April 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
3,328 reviews
Check prices

Entertainment

6.1

Comfort

7.0

Food

6.2

Overall

7.2

Crew

7.9

Boarding

7.4

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
3,328 reviews
WestJet
7.2
Good
3,328 reviews
Check prices

Entertainment

6.1

Comfort

7.0

Food

6.2

Overall

7.2

Crew

7.9

Boarding

7.4

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
10,982 reviews
WestJet
7.2
Good
3,328 reviews
Check prices

Entertainment

6.1

Comfort

7.0

Food

6.2

Overall

7.2

Crew

7.9

Boarding

7.4

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, United Airlines, and WestJet fly from Montreal to Missouri in about 4h 41m. The time it takes to get you to your destination can typically vary by up to 2h 20m. 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 - 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$ 491 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$ 591.

  • 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$ 296). 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 586AverageC$ 829FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 745AverageC$ 956FlexibilityNo 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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