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Cheap flights from Montreal to Missouri from C$ 283

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STL
13 Dec — 20 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 13 November 2025.

Round-trip from

C$ 507

One-way from

C$ 283

Popular in

September

Cheapest in

February

Average price

C$ 790

Good one-way deal

C$ 503 or less
14/12-23/12
  • 14/12-23/12
  • 3 total stops
  • 45h 59m total
  • Montreal to Missouri
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8/12
  • 8/12
  • 2 total stops
  • 39h 33m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 235 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 42 potential savings vs. average RT price).
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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.
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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 13 November 2025.

Sun 14/124:35 p.m.YUL - STL
1 stop17h 24mMultiple Airlines
Tue 23/1210:48 a.m.STL - YUL
2 stops28h 35mMultiple Airlines
Deal found 11/11C$ 507
Thu 11/128:00 a.m.YUL - MCI
2 stops16h 15mMultiple Airlines
Thu 18/123:47 p.m.MCI - YUL
1 stop7h 43mMultiple Airlines
Deal found 12/11C$ 576
Mon 15/128:00 a.m.YUL - STL
2 stops15h 33mMultiple Airlines
Tue 23/1211:51 a.m.STL - YUL
1 stop27h 32mMultiple Airlines
Deal found 11/11C$ 586
Sun 14/124:35 p.m.YUL - STL
1 stop17h 24mMultiple Airlines
Sun 21/1210:57 a.m.STL - YUL
2 stops36h 33mMultiple Airlines
Deal found 11/11C$ 601
Sun 14/124:35 p.m.YUL - STL
1 stop17h 24mMultiple Airlines
Thu 25/1210:42 a.m.STL - YUL
2 stops12h 48mMultiple Airlines
Deal found 11/11C$ 605
Sat 20/125:10 p.m.YUL - STL
2 stops17h 30mMultiple Airlines
Tue 23/1211:51 a.m.STL - YUL
1 stop27h 32mMultiple Airlines
Deal found 11/11C$ 609
Wed 17/125:10 p.m.YUL - STL
2 stops17h 30mMultiple Airlines
Tue 23/1211:51 a.m.STL - YUL
1 stop27h 32mMultiple Airlines
Deal found 11/11C$ 615
Sun 14/124:35 p.m.YUL - STL
1 stop17h 24mMultiple Airlines
Wed 24/124:27 p.m.STL - YUL
2 stops22h 56mMultiple Airlines
Deal found 11/11C$ 661
Fri 12/125:25 p.m.YUL - STL
2 stops30h 08mMultiple Airlines
Fri 19/128:37 p.m.STL - YUL
1 stop26h 53mMultiple Airlines
Deal found 12/11C$ 663
Thu 11/123:50 p.m.YUL - STL
1 stop8h 48mAmerican Airlines
Mon 15/125:15 a.m.STL - YUL
1 stop8h 55mAmerican Airlines
Deal found 11/11C$ 671
Tue 16/123:50 p.m.YUL - STL
1 stop21h 54mAmerican Airlines
Sun 21/125:30 a.m.STL - YUL
1 stop8h 54mAmerican Airlines
Deal found 11/11C$ 688
Mon 15/128:00 a.m.YUL - STL
2 stops15h 33mMultiple Airlines
Mon 22/1210:40 a.m.STL - YUL
1 stop12h 50mMultiple Airlines
Deal found 11/11C$ 698

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 13 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

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 14/12

4:35 p.m.-8:59 a.m.

1 stop17h 24m

Lambert-St Louis

Tue 23/12

10:48 a.m.-4:23 p.m.

2 stops28h 35m

C$ 507

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

8:30 a.m.-10:59 p.m.

1 stop15h 29m

Lambert-St Louis

Wed 8/4

7:45 a.m.-6:55 p.m.

1 stop10h 10m

C$ 523

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

12:30 p.m.-11:24 p.m.

1 stop11h 54m

Lambert-St Louis

Wed 8/4

11:14 a.m.-11:15 a.m.

1 stop23h 01m

C$ 549

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 14/12

4:35 p.m.-8:59 a.m.

1 stop17h 24m

Lambert-St Louis

Thu 25/12

10:42 a.m.-12:30 a.m.

2 stops12h 48m

C$ 605

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

5:10 p.m.-9:40 a.m.

2 stops17h 30m

Lambert-St Louis

Tue 23/12

11:51 a.m.-4:23 p.m.

1 stop27h 32m

C$ 615

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

8:00 a.m.-11:15 p.m.

2 stops16h 15m

Kansas City

Thu 18/12

7:00 a.m.-7:05 a.m.

2 stops23h 05m

C$ 657

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

3:50 p.m.-12:44 p.m.

1 stop21h 54m

Lambert-St Louis

Sun 21/12

5:30 a.m.-3:24 p.m.

1 stop8h 54m

C$ 688

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 15/12

3:50 p.m.-12:44 p.m.

1 stop21h 54m

Lambert-St Louis

Thu 25/12

5:28 a.m.-3:20 p.m.

1 stop8h 52m

C$ 688

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 15/12

8:00 a.m.-10:33 p.m.

2 stops15h 33m

Lambert-St Louis

Mon 22/12

10:40 a.m.-12:30 a.m.

1 stop12h 50m

C$ 698

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

2:37 p.m.-8:17 p.m.

1 stop6h 40m

Lambert-St Louis

Wed 24/12

5:13 p.m.-11:59 p.m.

1 stop5h 46m

C$ 714

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 27 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$ 336). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 815). 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 13 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.

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 13 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
9,017 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
9,017 reviews
United Airlines
7.4
Good
9,017 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
3,161 reviews
United Airlines
7.4
Good
9,017 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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
10,448 reviews
United Airlines
7.4
Good
9,017 reviews
Check prices

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Food

6.6

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 United Airlines and American Airlines fly from Montreal to Missouri in about 11h 54m. The time it takes to get you to your destination can typically vary by up to 3h 35m. 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: Sun Country Air (100%), Air Canada (70%), Jazz( 70%).

  • What are the cheapest flights from Montreal to Missouri?

    On average you can expect to pay C$ 503 for a flight from Montreal to Missouri. The cheapest flight overall is C$ 503 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis) is currently priced at C$ 502.

  • 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$ 336). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 815). 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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 422AverageC$ 662FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 549AverageC$ 755FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 565AverageC$ 863FlexibilityNo 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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