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Cheap flights from Montreal to Missouri from C$ 295

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
3 May — 10 May1
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 3 April 2026.

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 1/4C$ 620
Thu 15/106:00 a.m.
YUL
-
STL
2 stops10h 38m
United Airlines
Mon 19/106:01 a.m.
STL
-
YUL
1 stop6h 08m
United Airlines
Deal found 31/3C$ 629
Thu 15/107:00 a.m.
YUL
-
STL
1 stop8h 40m
Delta
Mon 19/105:30 p.m.
STL
-
YUL
1 stop5h 21m
Delta
Deal found 30/3C$ 630
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 30/3C$ 632
Sun 10/57:45 a.m.
YUL
-
STL
1 stop6h 03m
American Airlines
Sat 16/58:03 p.m.
STL
-
YUL
1 stop14h 41m
American Airlines
Deal found 1/4C$ 647
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 30/3C$ 648
Fri 1/56:30 p.m.
YUL
-
STL
Nonstop2h 55m
Air Canada
Sun 3/51:05 p.m.
STL
-
YUL
Nonstop2h 35m
Air Canada
Deal found 31/3C$ 651
Sat 11/45:25 p.m.
YUL
-
MCI
2 stops19h 04m
Multiple Airlines
Sat 18/46:01 p.m.
MCI
-
YUL
3 stops23h 24m
Multiple Airlines
Deal found 29/3C$ 729
Sun 26/44:35 p.m.
YUL
-
MCI
1 stop25h 31m
Multiple Airlines
Fri 8/56:24 p.m.
MCI
-
YUL
2 stops18h 44m
Multiple Airlines
Deal found 2/4C$ 736
Wed 29/49:30 a.m.
YUL
-
MCI
1 stop10h 04m
Delta
Sat 2/512:05 p.m.
MCI
-
YUL
1 stop19h 35m
Delta
Deal found 2/4C$ 769
Thu 23/46:00 a.m.
YUL
-
MCI
1 stop4h 49m
WestJet
Sat 2/55:12 p.m.
MCI
-
YUL
1 stop5h 39m
WestJet
Deal found 29/3C$ 782
Fri 5/66:00 a.m.
YUL
-
MCI
1 stop8h 18m
Delta
Sun 7/612:20 p.m.
MCI
-
YUL
1 stop10h 39m
Delta
Deal found 31/3C$ 786

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 3 April 2026.

Round-trip from

C$ 632

One-way from

C$ 295

Popular in

September

Cheapest in

February

Average price

C$ 641

Good one-way deal

C$ 499 or less
Delta
  • Delta
  • 20/4-25/4
  • 2 total stops
  • 10h 00m total
  • Montreal to Missouri
Search Deals
28/5
  • 28/5
  • 2 total stops
  • 23h 14m 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. 4% potential price decrease (C$ 44 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 3 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

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$ 632

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

7:45 a.m.-7:29 p.m.

1 stop12h 44m

Lambert-St Louis

Sat 16/5

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

1 stop17h 23m

C$ 647

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

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

1 stop4h 42m

Lambert-St Louis

Tue 28/4

9:59 a.m.-5:40 p.m.

1 stop6h 41m

C$ 655

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

6:00 a.m.-9:30 a.m.

1 stop4h 30m

Lambert-St Louis

Mon 31/8

2:18 p.m.-11:10 p.m.

1 stop7h 52m

C$ 658

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

9:30 a.m.-8:09 p.m.

2 stops11h 39m

Lambert-St Louis

Sun 3/5

7:05 a.m.-1:21 p.m.

1 stop5h 16m

C$ 666
Quickest round-trip

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

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

Nonstop2h 55m

Lambert-St Louis

Sat 16/5

7:05 a.m.-1:21 p.m.

1 stop5h 16m

C$ 673

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

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

Nonstop2h 55m

Lambert-St Louis

Sun 24/5

7:05 a.m.-1:21 p.m.

1 stop5h 16m

C$ 675

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

6:00 a.m.-9:32 a.m.

1 stop4h 32m

Lambert-St Louis

Thu 18/6

5:24 p.m.-11:59 p.m.

1 stop5h 35m

C$ 678

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

6:45 a.m.-9:43 a.m.

2 stops27h 58m

Kansas City

Fri 24/4

3:04 p.m.-11:51 p.m.

1 stop7h 47m

C$ 800

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

6:10 a.m.-10:27 a.m.

1 stop5h 17m

Kansas City

Fri 24/4

9:55 a.m.-7:45 p.m.

2 stops8h 50m

C$ 817

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 40 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$ 334). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 810). 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 3 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
3,310 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Overall

7.2

Entertainment

6.1

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
3,310 reviews
WestJet
7.2
Good
3,310 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Overall

7.2

Entertainment

6.1

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
10,886 reviews
WestJet
7.2
Good
3,310 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Overall

7.2

Entertainment

6.1

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 Delta, American Airlines, and WestJet 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 22h 07m. 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$ 499 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 499 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Kansas City) is currently priced at C$ 771.

  • 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$ 334). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 810). 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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 533AverageC$ 800FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 603AverageC$ 843FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 624AverageC$ 790FlexibilityNo 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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