$1,539 Cheap Flights from Cardiff (CWL) to Montreal (YUL)

View $1,539 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Cardiff International Airport (CWL) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Cardiff to Montreal (CWL-YUL)

Prices were available within the past 7 days and start at $1,539 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Cardiff (CWL) to Montreal (YUL)
Origin airport
Cardiff Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Distance
3127 mi

Cardiff to Montreal Flights

The cheapest times to fly from Cardiff to Montreal

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 Cardiff to Montreal are during the month of . You can find some of the cheapest flights from Cardiff to Montreal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to Montreal

Sunday is one of the best days to book for cheap flights from Cardiff to Montreal: 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 Cardiff to Montreal

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 Cardiff to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,539 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 Cardiff to Montreal 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 Cardiff to Montreal 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.

 

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Discover the latest flight deals from CWL to YUL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CWL to YUL?
The cheapest flights from CWL to YUL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CWL to YUL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CWL to YUL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cardiff Intl. Airport (CWL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Nonstop flights from Cardiff Intl. Airport (CWL) to Pierre Elliott Trudeau Intl. Airport (YUL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CWL to YUL?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid potential delays on the Cardiff Intl. Airport (CWL) to Pierre Elliott Trudeau Intl. Airport (YUL) route, travel before 3 PM. Departures after this time are 22% more likely to be 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.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Last-minute bookings from CWL to YUL are typically more expensive. To lock in the best prices, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your trip.
Is it cheaper to book a CWL to YUL flight and hotel package?
You'll generally save money by securing a CWL to YUL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Pierre Elliott Trudeau Intl. Airport (YUL)?
It's usually possible to reschedule or cancel your CWL to YUL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.