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Cheap flights from Montreal to Missouri from C$ 242

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — MCI
15 Jan — 22 Jan1
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 16 December 2025.

Fri 26/1212:59 p.m.YUL - STL
1 stop8h 52mAmerican Airlines
Fri 2/15:00 a.m.STL - YUL
1 stop7h 46mAmerican Airlines
Deal found 15/12C$ 930
Tue 23/129:15 a.m.YUL - MCI
1 stop6h 45mUnited Airlines
Tue 30/126:00 a.m.MCI - YUL
2 stops12h 48mUnited Airlines
Deal found 16/12C$ 972
Sun 14/124:35 p.m.YUL - STL
1 stop17h 24mMultiple Airlines
Wed 17/123:30 p.m.STL - YUL
1 stop8h 00mMultiple Airlines
Deal found 14/12C$ 985
Mon 22/122:13 p.m.YUL - MCI
1 stop7h 18mUnited Airlines
Fri 2/16:00 a.m.MCI - YUL
1 stop14h 17mUnited Airlines
Deal found 15/12C$ 994
Mon 22/126:00 a.m.YUL - MCI
2 stops9h 38mAir Canada
Fri 2/110:05 a.m.MCI - YUL
2 stops10h 47mAir Canada
Deal found 15/12C$ 1,054
Sun 21/123:51 p.m.YUL - STL
1 stop17h 44mAmerican Airlines
Sun 28/128:01 p.m.STL - YUL
1 stop18h 09mAmerican Airlines
Deal found 14/12C$ 1,128
Fri 19/127:30 a.m.YUL - STL
1 stop5h 59mAmerican Airlines
Sat 3/15:22 a.m.STL - YUL
1 stop16h 36mAmerican Airlines
Deal found 14/12C$ 1,141
Tue 23/127:08 a.m.YUL - MCI
1 stop17h 45mAmerican Airlines
Tue 30/127:46 p.m.MCI - YUL
1 stop18h 24mAmerican Airlines
Deal found 16/12C$ 1,230
Fri 26/127:00 a.m.YUL - STL
1 stop11h 01mWestJet
Fri 2/15:59 p.m.STL - YUL
2 stops29h 44mWestJet
Deal found 15/12C$ 1,244
Sun 21/122:13 p.m.YUL - STL
2 stops8h 30mUnited Airlines
Sun 28/126:35 p.m.STL - YUL
1 stop14h 35mUnited Airlines
Deal found 14/12C$ 1,284
Fri 19/1212:40 p.m.YUL - STL
1 stop28h 48mWestJet
Sat 3/16:05 a.m.STL - YUL
2 stops17h 38mWestJet
Deal found 16/12C$ 1,364

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 16 December 2025.

Round-trip from

C$ 435

One-way from

C$ 242

Popular in

September

Cheapest in

February

Average price

C$ 669

Good one-way deal

C$ 494 or less
7/1-12/1
  • 7/1-12/1
  • 3 total stops
  • 47h 56m total
  • Montreal to Missouri
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 28h 38m total
  • Montreal to Missouri
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 16 December 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 25/1

4:35 p.m.-9:21 a.m.

1 stop17h 46m

Lambert-St Louis

Tue 3/2

5:42 p.m.-5:00 p.m.

2 stops22h 18m

C$ 406

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

4:35 p.m.-12:27 a.m.

1 stop8h 52m

Lambert-St Louis

Mon 23/2

3:49 p.m.-5:00 p.m.

2 stops24h 11m

C$ 435

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

3:55 p.m.-9:34 a.m.

1 stop18h 39m

Lambert-St Louis

Mon 23/2

6:00 a.m.-3:05 p.m.

1 stop8h 05m

C$ 465

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

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

1 stop19h 17m

Kansas City

Sat 7/2

3:01 p.m.-3:08 p.m.

1 stop23h 07m

C$ 605

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

6:45 a.m.-10:31 a.m.

3 stops28h 46m

Kansas City

Wed 21/1

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

2 stops23h 05m

C$ 611

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

5:25 p.m.-4:09 p.m.

3 stops23h 44m

Kansas City

Sat 7/2

11:26 a.m.-5:00 p.m.

3 stops28h 34m

C$ 623

MontrealKansas City

YUL - MCI

YULMCI

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

3:50 p.m.-6:03 p.m.

1 stop27h 13m

Kansas City

Sat 14/2

11:53 a.m.-3:05 p.m.

1 stop26h 12m

C$ 666

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

7:00 a.m.-3:04 p.m.

1 stop9h 04m

Lambert-St Louis

Tue 3/2

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

1 stop8h 08m

C$ 680

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

7:30 p.m.-12:36 p.m.

1 stop18h 06m

Lambert-St Louis

Mon 2/2

5:56 p.m.-11:12 p.m.

1 stop4h 16m

C$ 683

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

2:29 p.m.-8:44 a.m.

1 stop19h 15m

Lambert-St Louis

Sun 29/3

6:32 a.m.-11:57 a.m.

1 stop4h 25m

C$ 698

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 26 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$ 330). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 801). 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 16 December 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.

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 16 December 2025.
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
3,202 reviews
Check prices

Food

6.2

Comfort

7.1

Boarding

7.4

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!
WestJet
7.2
Good
3,202 reviews
WestJet
7.2
Good
3,202 reviews
Check prices

Food

6.2

Comfort

7.1

Boarding

7.4

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!
Air Canada
7.1
Good
10,531 reviews
WestJet
7.2
Good
3,202 reviews
Check prices

Food

6.2

Comfort

7.1

Boarding

7.4

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

YQU - YYC

After first flight cancelled they barely accommodated our flight to get to our destination, after 36 hours of travel and long layovers we arrived but the worst experience ever! I will definitely put claims in of the lost upgrades and lost time and money we had!!!

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 fly from Montreal to Missouri in about 18h 39m. The time it takes to get you to your destination can typically vary by up to . There are 1556 km between Montreal and Missouri.

  • 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.

  • 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$ 330). Flying from Montreal to Missouri in August is currently the most expensive (average of C$ 801). 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 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 411AverageC$ 695FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 435AverageC$ 573FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 539AverageC$ 742FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 559AverageC$ 884FlexibilityNo 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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