Cheap Flights from Montreal (YUL) to St. Catharines (YCM)

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District)

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Alternative airports near St. Catharines

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest option available. Average driving time to city center is 51 minutes. Flights from $596
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center51 min
Flights from $596

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District) cost?
Grab a cheap one-way flight or cheap return flight from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District)?
The cheapest month to fly from YUL to YCM is , when there's less demand. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest YUL to YCM flight.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District)?
You'll have to catch a flight with a layover if you're traveling from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from YUL to YCM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District)?
To avoid potential delays on the Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Niagara-on-the-Lake from Pierre Elliott Trudeau Intl. Airport (YUL)?
Board a direct flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Niagara-on-the-Lake and land at Pearson Intl. Airport (YYZ). Another gateway to this destination is Billy Bishop Toronto City Airport (YTZ).
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District) last-minute?
Waiting until just before your trip to book a flight from YUL to YCM generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a YUL to YCM flight and hotel package?
Compared with arranging hotels and flights separately, booking a YUL to YCM flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Simply pick your flights and select from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to St. Catharines, ON (YCM-Niagara District)?
It's generally possible to cancel or reschedule your YUL to YCM flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Niagara District
Distance
310 mi

Book with confidence

Book with confidence

Montreal to St. Catharines Flights

The cheapest times to fly from Montreal to St. Catharines

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to St. Catharines are during the month of . You can find some of the cheapest flights from Montreal to St. Catharines with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to St. Catharines

Sunday is one of the best days to book for cheap flights from Montreal to St. Catharines: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to St. Catharines

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to St. Catharines in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to St. Catharines flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to St. Catharines airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Montreal to St. Catharines Flights

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*Available to One Key members.