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Cheap flights from Montreal to Missouri from C$ 255

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
8 Jul — 15 Jul1
1 adult

Cheap 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 July 2025.

Round-trip from

C$ 450

One-way from

C$ 255

Popular in

November

Cheapest in

September

Average price

C$ 780

Good round-trip deal

C$ 826 or less

Good one-way deal

C$ 489 or less
American Airlines
  • American Airlines
  • 26/9-29/9
  • 2 total stops
  • 25h 21m total
  • Montreal to Missouri
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American Airlines
  • American Airlines
  • 19/9
  • 1 total stop
  • 17h 11m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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.
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Find flight deals from Montreal to Missouri

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 July 2025.

Fri 26/95:15 p.m.YUL - STL
1 stop17h 11mAmerican Airlines
Mon 29/97:23 a.m.STL - YUL
1 stop8h 10mAmerican Airlines
Deal found 2/7C$ 450
Sun 14/95:15 p.m.YUL - MCI
1 stop16h 18mAmerican Airlines
Thu 18/96:00 a.m.MCI - YUL
1 stop9h 33mAmerican Airlines
Deal found 1/7C$ 495
Fri 3/106:40 p.m.YUL - STL
1 stop17h 09mUnited Airlines
Tue 14/105:28 p.m.STL - YUL
1 stop24h 22mUnited Airlines
Deal found 30/6C$ 502
Thu 28/89:00 a.m.YUL - MCI
1 stop14h 53mMultiple Airlines
Tue 9/95:30 a.m.MCI - YUL
2 stops11h 50mMultiple Airlines
Deal found 1/7C$ 527
Thu 2/106:15 a.m.YUL - MCI
1 stop9h 05mUnited Airlines
Mon 6/106:32 p.m.MCI - YUL
2 stops19h 28mUnited Airlines
Deal found 2/7C$ 563
Thu 25/96:10 p.m.YUL - STL
Nonstop2h 47mAir Canada
Mon 29/91:30 p.m.STL - YUL
Nonstop2h 30mAir Canada
Deal found 2/7C$ 605
Tue 22/76:45 a.m.YUL - STL
2 stops10h 46mMultiple Airlines
Sat 26/710:45 a.m.STL - YUL
1 stop26h 35mMultiple Airlines
Deal found 3/7C$ 621
Sat 12/76:20 a.m.YUL - MCI
1 stop10h 06mDelta
Sat 19/73:57 p.m.MCI - YUL
1 stop6h 58mDelta
Deal found 3/7C$ 747
Fri 15/86:45 a.m.YUL - STL
2 stops15h 42mWestJet
Fri 22/86:00 a.m.STL - YUL
2 stops17h 27mWestJet
Deal found 1/7C$ 792
Sat 12/71:10 p.m.YUL - MCI
2 stops9h 33mAir Canada
Sat 19/73:24 p.m.MCI - YUL
2 stops9h 27mAir Canada
Deal found 3/7C$ 879
Thu 2/106:45 a.m.YUL - MCI
2 stops10h 37mWestJet
Mon 6/106:05 a.m.MCI - YUL
2 stops17h 22mWestJet
Deal found 3/7C$ 898

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 July 2025.
Use the filters below to find and compare flights from Montreal to Missouri that are best for you.

Fly from

Montreal

Fly to

Missouri

Route

Depart

Return

Price

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 26/9

5:15 p.m.-9:26 a.m.

1 stop17h 11m

Lambert-St Louis

Mon 29/9

7:23 a.m.-4:33 p.m.

1 stop8h 10m

C$ 450

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

5:15 p.m.-8:33 a.m.

1 stop16h 18m

Kansas City

Thu 18/9

6:00 a.m.-4:33 p.m.

1 stop9h 33m

C$ 495

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

6:40 p.m.-10:49 a.m.

1 stop17h 09m

Lambert-St Louis

Tue 14/10

5:28 p.m.-6:50 p.m.

1 stop24h 22m

C$ 502

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 28/8

6:45 a.m.-10:53 p.m.

1 stop17h 08m

Kansas City

Wed 3/9

6:00 a.m.-9:17 p.m.

2 stops14h 17m

C$ 527

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

6:15 a.m.-2:20 p.m.

1 stop9h 05m

Kansas City

Mon 6/10

6:32 p.m.-3:00 p.m.

2 stops19h 28m

C$ 563

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

6:10 p.m.-7:57 p.m.

Nonstop2h 47m

Lambert-St Louis

Mon 29/9

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

C$ 605

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

6:45 a.m.-4:31 p.m.

2 stops10h 46m

Lambert-St Louis

Sat 26/7

10:45 a.m.-2:20 p.m.

1 stop26h 35m

C$ 621

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 15/8

6:45 a.m.-9:27 p.m.

2 stops15h 42m

Lambert-St Louis

Fri 22/8

6:00 a.m.-12:27 a.m.

2 stops17h 27m

C$ 792

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

6:45 a.m.-11:05 p.m.

2 stops17h 20m

Kansas City

Thu 18/9

10:28 a.m.-5:50 p.m.

1 stop6h 22m

C$ 876

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 18/7

6:20 a.m.-3:17 p.m.

1 stop9h 57m

Kansas City

Thu 24/7

12:00 p.m.-9:28 p.m.

1 stop8h 28m

C$ 880

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 21 results
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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, January is the cheapest month in which you can book a flight from Montreal to Missouri (average of C$ 365). Flying from Montreal to Missouri in September is currently the most expensive (average of C$ 491). 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 3 July 2025.

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 3 July 2025.

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 3 July 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines 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.
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,917 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,681 reviews
Delta
8.0
Very good
7,982 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Montreal to Missouri one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at C$ 255. United Airlines flights start at C$ 292 while deals on Air Canada start at C$ 331 one-way.

  • 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 most reliable airlines from Montreal to Missouri?

    Before booking your flight to Missouri from Montreal, check out the most reliable airlines to get you to your destination on time: Jazz (100%), Air Canada (78%), United Airlines( 57%).

  • What are the cheapest flights from Montreal to Missouri?

    On average you can expect to pay C$ 796 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 489 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis) is currently priced at C$ 482.

  • 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, January is the cheapest month in which you can book a flight from Montreal to Missouri (average of C$ 365). Flying from Montreal to Missouri in September is currently the most expensive (average of C$ 491). 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 4 airlines flying from Montreal to Missouri

Discover the top 4 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 380AverageC$ 593FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 392AverageC$ 462FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 421AverageC$ 698FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 550AverageC$ 851FlexibilityNo 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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