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Cheap flights from Montreal to Missouri from C$ 265

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
24 Dec — 31 Dec1
1 adult
1 adult, Economy, 0 bags

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 24 November 2025.

Round-trip from

C$ 419

One-way from

C$ 265

Popular in

September

Cheapest in

February

Average price

C$ 795

Good one-way deal

C$ 506 or less
American Airlines
  • American Airlines
  • 12/2-17/2
  • 2 total stops
  • 16h 38m total
  • Montreal to Missouri
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6/1
  • 6/1
  • 3 total stops
  • 40h 48m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 238 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a one-way flight from Montreal (YMQ) to Missouri.
Search Deals

Find 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 24 November 2025.

Fri 12/125:10 p.m.YUL - MCI
2 stops25h 46mMultiple Airlines
Mon 15/127:01 p.m.MCI - YUL
2 stops20h 24mMultiple Airlines
Deal found 23/11C$ 651
Tue 16/125:10 p.m.YUL - STL
2 stops41h 30mMultiple Airlines
Tue 30/1211:51 a.m.STL - YUL
1 stop26h 19mMultiple Airlines
Deal found 23/11C$ 656
Wed 17/125:10 p.m.YUL - STL
2 stops17h 30mMultiple Airlines
Tue 30/1211:51 a.m.STL - YUL
1 stop26h 19mMultiple Airlines
Deal found 23/11C$ 706
Tue 16/1212:40 p.m.YUL - STL
1 stop6h 53mDelta
Wed 31/126:29 a.m.STL - YUL
1 stop4h 29mDelta
Deal found 23/11C$ 736
Thu 18/1212:40 p.m.YUL - STL
1 stop6h 53mDelta
Wed 31/126:29 a.m.STL - YUL
1 stop4h 29mDelta
Deal found 23/11C$ 744
Tue 16/125:10 p.m.YUL - STL
2 stops41h 30mMultiple Airlines
Mon 29/1210:40 a.m.STL - YUL
1 stop12h 50mMultiple Airlines
Deal found 23/11C$ 757
Fri 19/127:30 a.m.YUL - STL
1 stop14h 21mAmerican Airlines
Thu 1/15:30 a.m.STL - YUL
1 stop8h 54mAmerican Airlines
Deal found 23/11C$ 764
Tue 16/127:00 a.m.YUL - STL
1 stop10h 06mDelta
Tue 30/123:41 p.m.STL - YUL
1 stop7h 18mDelta
Deal found 23/11C$ 766
Thu 18/1212:40 p.m.YUL - STL
1 stop10h 17mDelta
Tue 30/123:41 p.m.STL - YUL
1 stop7h 18mDelta
Deal found 23/11C$ 774
Fri 26/1210:10 a.m.YUL - STL
1 stop6h 19mAir Canada
Fri 2/14:05 p.m.STL - YUL
1 stop6h 47mAir Canada
Deal found 23/11C$ 778
Fri 19/1212:59 p.m.YUL - STL
1 stop8h 52mAmerican Airlines
Sat 3/15:22 a.m.STL - YUL
1 stop9h 02mAmerican Airlines
Deal found 24/11C$ 787
Tue 16/123:00 p.m.YUL - STL
2 stops8h 45mUnited Airlines
Fri 2/17:00 a.m.STL - YUL
1 stop5h 28mUnited Airlines
Deal found 23/11C$ 790

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 24 November 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

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

3:50 p.m.-10:07 a.m.

1 stop19h 17m

Kansas City

Wed 14/1

6:00 a.m.-3:08 p.m.

1 stop8h 08m

C$ 479

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

4:35 p.m.-11:33 p.m.

1 stop7h 58m

Lambert-St Louis

Sun 25/1

4:45 p.m.-3:10 p.m.

2 stops21h 25m

C$ 493

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 12/2

1:10 p.m.-9:00 p.m.

1 stop8h 50m

Lambert-St Louis

Tue 17/2

7:41 a.m.-10:20 a.m.

1 stop25h 39m

C$ 551

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

6:45 a.m.-5:10 p.m.

2 stops11h 25m

Kansas City

Wed 14/1

4:28 p.m.-3:10 p.m.

2 stops21h 42m

C$ 556

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 7/1

10:25 a.m.-10:58 p.m.

2 stops13h 33m

Lambert-St Louis

Wed 14/1

6:30 a.m.-9:16 p.m.

2 stops13h 46m

C$ 606

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

1:10 p.m.-10:58 p.m.

1 stop10h 48m

Lambert-St Louis

Mon 26/1

6:30 a.m.-6:40 p.m.

1 stop11h 10m

C$ 606

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

6:25 p.m.-2:30 p.m.

1 stop21h 05m

Lambert-St Louis

Sat 31/1

4:49 p.m.-10:20 a.m.

1 stop16h 31m

C$ 642

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

6:45 a.m.-11:33 p.m.

2 stops17h 48m

Kansas City

Thu 15/1

11:26 a.m.-11:37 a.m.

2 stops23h 11m

C$ 643

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

5:10 p.m.-5:56 p.m.

2 stops25h 46m

Kansas City

Mon 15/12

7:01 p.m.-4:25 p.m.

2 stops20h 24m

C$ 651

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

3:50 p.m.-9:29 p.m.

1 stop6h 39m

Kansas City

Mon 15/12

6:00 a.m.-12:20 p.m.

1 stop5h 20m

C$ 859

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/11

Showing 1-10 of 24 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, October is the cheapest month in which you can book a flight from Montreal to Missouri (average of C$ 338). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 821). 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 24 November 2025.

A simple way to save on the total cost of your ticket is to fly from Montreal to Missouri in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Montreal to Missouri?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Missouri. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to Missouri flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 24 November 2025.
Get a feel of what it's like to fly with United Airlines,WestJet, andAir 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.
United Airlines
7.4
Good
9,036 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,036 reviews
United Airlines
7.4
Good
9,036 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
WestJet
7.2
Good
3,172 reviews
United Airlines
7.4
Good
9,036 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,466 reviews
United Airlines
7.4
Good
9,036 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 American Airlines and United Airlines fly from Montreal to Missouri in about 8h 50m. The time it takes to get you to your destination can typically vary by up to 10h 27m. 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 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: Air Canada (69%), Jazz (69%), United Airlines( 69%).

  • What are the cheapest flights from Montreal to Missouri?

    On average you can expect to pay C$ 506 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 506 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis) is currently priced at C$ 493.

  • 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$ 338). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 821). 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 24 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 425AverageC$ 666FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 553AverageC$ 760FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 569AverageC$ 869FlexibilityNo 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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