$441 Cheap Flights from London (LHR) to Montreal (YUL)

Popular airlines from Heathrow Airport (LHR) to Montreal–Trudeau Intl. Airport (YUL)

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Find available prices by choosing your travel dates.

Cheap Flights from London to Montreal (LHR-YUL)

Prices were available within the past 7 days and start at $441 for one-way flights and $407 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Swiss International Air Lines
Swiss International Air Lines
Air Canada
Air Canada
Air Canada
Lufthansa
Lufthansa
United
Brussels Airlines
Flights from London (LHR) to Montreal (YUL)
Origin airport
Heathrow
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, KLM, Lufthansa, Royal Air Maroc, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$406
Distance
3241 mi

London to Montreal Flights

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

The best time to book a flight from London to Montreal

Sunday is one of the best days to book for cheap flights from London 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 London 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 London to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $441 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 London 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 London 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 Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Cheap return fares from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL) start at $551. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Lufthansa flight leaving LHR on May 18 2025 and touching down at YUL. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from LHR to YUL?
The cheapest flights from LHR 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.
Which airlines fly direct from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Hop on a nonstop flight with Air Canada and journey straight from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the cheapest airline that flies from LHR to YUL?
With prices as low as $1163 for a one-way flight from LHR to YUL, Lufthansa is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LHR on June 12 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL)?
On average, Heathrow Airport (LHR) only offers 1 direct flight to Pierre Elliott Trudeau Intl. Airport (YUL) per day. To explore more options, try our easy-to-use filters. Simply enter your dates of travel, then click on “1 Stop” or “2+ Stops” to find flights offering layovers.
What are the most popular departure times for flights from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL)?
More passengers fly between LHR and YUL at 3 PM than at any other point in the day. Rather go when it’s quieter? Consider flying outside peak hours and there’s a chance you’ll save on your fare as well.
What day of the week has the most flights from LHR to YUL?
If you fly on a Thursday, you’ll get the greatest range of options for flights from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the earliest flight from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The earliest flight jetting off from Heathrow Airport (LHR) is at around 3:00PM UTC+0. Board this plane and you’ll touch down at Pierre Elliott Trudeau Intl. Airport (YUL) at approximately 5:40PM UTC-5. The entire trip takes 7h 40m.
How long does it take to fly from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL)?
It takes approximately 7 hours and 37 minutes to cover the 3,200 mi from LHR to YUL.
What airline has the least delays from LHR to YUL?
With 100% of flights generally arriving on time, United Airlines has the best on-time performance for nonstop flights from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid potential delays on the Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL) route, aim to fly before 3 PM. Later departures 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.
What airports do you fly into for Montreal from Heathrow Airport (LHR)?
If you’re flying on a direct flight from Heathrow Airport (LHR) to Montreal, Pierre Elliott Trudeau Intl. Airport (YUL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Last-minute bookings from LHR to YUL are usually more expensive. To lock in the lowest rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a LHR to YUL flight and hotel package?
You’ll generally save money by booking a LHR 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 convenient place. Once you’ve selected your preferred accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Generally, it’s possible to cancel or reschedule your LHR to YUL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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