HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montreal

$184+ Cheap flights from Missouri to Montreal (YMQ)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YMQ
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Montreal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Missouri to Montreal

Cheapest flights from Missouri to Montreal
Explore the most affordable flight options available from Missouri to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:30 pmSTL - YUL
1 stop8h 00mMultiple Airlines
Mon 12/88:00 amYUL - STL
2 stops15h 33mMultiple Airlines
Deal found 11/2$380
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/133:30 pmSTL - YUL
1 stop8h 00mMultiple Airlines
Mon 12/158:00 amYUL - STL
2 stops15h 33mMultiple Airlines
Deal found 11/2$384
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:01 pmMCI - YUL
3 stops23h 43mMultiple Airlines
Fri 12/121:30 pmYUL - MCI
1 stop10h 45mMultiple Airlines
Deal found 11/2$402
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:30 pmSTL - YUL
2 stops24h 25mMultiple Airlines
Sun 12/144:35 pmYUL - STL
1 stop17h 24mMultiple Airlines
Deal found 11/2$435
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/294:13 pmSTL - YUL
1 stop7h 17mMultiple Airlines
Sat 12/64:35 pmYUL - STL
1 stop17h 24mMultiple Airlines
Deal found 11/1$445
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:13 pmSTL - YUL
2 stops31h 30mMultiple Airlines
Sun 12/74:35 pmYUL - STL
1 stop17h 24mMultiple Airlines
Deal found 11/1$449
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:15 amSTL - YUL
2 stops16h 25mAmerican Airlines
Tue 1/63:52 pmYUL - STL
1 stop19h 29mAmerican Airlines
Deal found 11/1$505
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:00 amMCI - YUL
1 stop17h 30mMultiple Airlines
Sun 12/78:00 amYUL - MCI
2 stops28h 51mMultiple Airlines
Deal found 11/2$506
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:30 pmSTL - YUL
2 stops29h 55mMultiple Airlines
Wed 12/106:30 pmYUL - STL
1 stop17h 37mMultiple Airlines
Deal found 11/3$523
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:53 amSTL - YUL
2 stops29h 02mMultiple Airlines
Sun 11/304:35 pmYUL - STL
1 stop8h 22mMultiple Airlines
Deal found 11/2$527
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:05 amSTL - YUL
1 stop9h 05mAmerican Airlines
Wed 12/103:50 pmYUL - STL
1 stop17h 18mAmerican Airlines
Deal found 11/3$534
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:15 pmSTL - YUL
1 stop18h 30mDelta
Mon 12/87:45 pmYUL - STL
1 stop25h 32mDelta
Deal found 11/2$553

Cheap flight deals from Missouri to Montreal

Keep the following information in mind while searching for Missouri to Montreal flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$363
(American Airlines)

One-way from

$184
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$672

Good round-trip deal

$847 or less

Good one-way deal

$578 or less
Provider with most accurate pricing for Lambert-St Louis-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Montreal (YMQ) flights.
Search Deals
From Missouri to Montreal (YMQ)
Search Deals
One-way flight from Missouri to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Missouri to Montreal (YMQ).
Search Deals
Price to beat on a one-way flight from Missouri to Montreal (YMQ).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Montreal 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 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Missouri to Montreal that are best for you.

Fly from

Missouri

Fly to

Montreal

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 1/5

8:01 pm-3:08 pm

1 stop18h 07m

Montreal Pierre Elliott Trudeau Intl

Sat 1/10

7:30 am-6:13 pm

2 stops11h 43m

$363

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 2/17

2:19 pm-3:05 pm

1 stop23h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 2/19

3:55 pm-1:49 pm

1 stop22h 54m

$414

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sat 12/6

7:01 pm-7:44 pm

3 stops23h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

7:25 pm-5:56 pm

2 stops23h 31m

$442

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 12/1

4:13 pm-12:43 am

2 stops31h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

4:35 pm-8:59 am

1 stop17h 24m

$449

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 12/13

4:05 pm-9:52 pm

1 stop4h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 12/15

1:30 pm-10:33 pm

1 stop10h 03m

$487

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 12/15

5:15 am-10:40 pm

2 stops16h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 1/6

3:52 pm-10:21 am

1 stop19h 29m

$505

Kansas CityMontreal

MCI - YUL

MCIYUL

Kansas City

Sun 11/30

6:00 am-12:30 am

1 stop17h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

8:00 am-11:51 am

2 stops28h 51m

$506

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 12/3

5:05 am-3:10 pm

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 12/10

3:50 pm-8:08 am

1 stop17h 18m

$534

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 11/28

4:13 pm-7:39 pm

2 stops26h 26m

Montreal Pierre Elliott Trudeau Intl

Sun 11/30

4:35 pm-11:57 pm

1 stop8h 22m

$562

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 12/10

6:00 am-12:40 am

1 stop17h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

4:35 pm-8:59 am

1 stop17h 24m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Missouri to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Missouri 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 Missouri to Montreal

What is the cheapest month to book a flight from Missouri to Montreal?

Currently, December is the cheapest month in which you can book a flight from Missouri to Montreal (average of $141). Flying from Missouri to Montreal in March is currently the most expensive (average of $397). 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 MO to YMQ?

Find hourly flight availability from Missouri to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

One of the essential ways to save on airfare from Missouri to Montreal is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 67% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Montreal. 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 Missouri to Montreal?

    A quick flight from Missouri to Montreal can take about 5h 56m. American Airlines provides one of the quickest options available for as low as $630. There are 1161 mi between Missouri and Montreal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Missouri to Montreal?

    Most travelers choose Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl, Kansas City - Montreal Pierre Elliott Trudeau Intl or Springfield-Branson - Montreal Pierre Elliott Trudeau Intl when deciding on the best route from Missouri to Montreal.

  • What are the most reliable airlines from Missouri to Montreal?

    Before booking your flight to Montreal from Missouri, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Air Canada (82%), Jazz( 82%).

  • What are the cheapest flights from Missouri to Montreal?

    On average you can expect to pay $1,135 for a flight from Missouri to Montreal. The cheapest flight overall is $488 while the most popular route, (Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl) is currently priced at $339.

  • Can I find deals for flights from Missouri to Montreal that include hotel bookings?

    Yes. In addition to deals on Missouri to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Montreal.

  • Can I find deals for business class flights from Missouri to Montreal?

    Yes. Cheapflights offers flight deals from Missouri to Montreal 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 Missouri to Montreal?

    Currently, December is the cheapest month in which you can book a flight from Missouri to Montreal (average of $141). Flying from Missouri to Montreal in March is currently the most expensive (average of $397). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Newark to Québec City flights
Boston to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Québec City flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
LaGuardia to Québec City flights
Newark to Ottawa flights
Dulles Intl to Québec City flights
Midway to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Québec City flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Orlando to Pierre Elliott Trudeau Intl flights
Raleigh to Pierre Elliott Trudeau Intl flights
Nashville to Pierre Elliott Trudeau Intl flights
Charlotte to Pierre Elliott Trudeau Intl flights
Reagan-National to Ottawa flights
Dulles Intl to Ottawa flights
Reagan-National to Québec City flights
Seattle to Pierre Elliott Trudeau Intl flights
Boston to Québec City flights
Boston to Ottawa flights
Greensboro to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Ottawa flights
Tampa to Québec City flights
Tampa to Pierre Elliott Trudeau Intl flights
Philadelphia to Québec City flights
Los Angeles to Québec City flights
St. Louis to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Québec City flights
Dallas/Fort Worth to Québec City flights
Sky Harbor Intl to Pierre Elliott Trudeau Intl flights
Austin to Pierre Elliott Trudeau Intl flights
Raleigh to Québec City flights
John F Kennedy Intl to Ottawa flights

Top 5 airlines flying from Missouri to Montreal

Discover the top 5 airlines that operate flights from Missouri to Montreal. 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 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$162Average$631FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$187Average$583FlexibilityNo cancel feeOn-time67%
DeltaCheapest$255Average$564FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$348Average$517FlexibilityNo cancel feeOn-time71%
WestJetCheapest$469Average$708FlexibilityNo cancel feeOn-time60%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.