Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 420
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London departing on 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
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American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to London Heathrow Airport?
The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around C$ 900. If you aren’t able to travel to London Heathrow Airport during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 919.
What is the cheapest day to depart on your flight to London Heathrow Airport?
According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport. The lowest ticket price found for a Sunday departure recently was C$ 1,123. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport for around C$ 1,276.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
Our data shows that the cheapest Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights are usually those with departure times in the morning. Our users have found flights to London Heathrow Airport in the morning for as low as C$ 836. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,217 per ticket.
What is the cheapest Montreal Pierre Elliott Trudeau Intl to London Heathrow flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to London Heathrow for the best Montreal Pierre Elliott Trudeau Intl - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 1,018 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 919 on momondo.
What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to London Heathrow flights?
There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights?
You could potentially save up to 13% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight.
How have Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight prices changed over time?
As of June 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights are approximately 3% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to London Heathrow?
TAP AIR PORTUGAL, WestJet, and Aer Lingus are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to London Heathrow
Which airlines fly to London Heathrow Airport?
Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on average per day?
As of June 2025, 8 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 10:00p.m., with 100% of daily flights taking off in the evening.
How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on average per week?
The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and London Heathrow Airport is 60 per week as of June 2025. The most frequent departure day is Thu, with 22% of weekly flights leaving on this day.
When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Cheap Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (YUL to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
How far is Montreal Pierre Elliott Trudeau Intl to London Heathrow by plane?
Montreal Pierre Elliott Trudeau Intl and London Heathrow are 5212.1 km apart from one another. Flights usually cover this in 6h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
There are 10 operators available for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport as of June 2025.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is Boeing 787-8 Dreamliner (46.78% of total bookings). The next most popular plane models are Airbus A321neo (22.95%), Boeing 787-9 Dreamliner (12.77%), and Airbus A330-200 (6.39%).
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is Air Canada (51% of total bookings). The next most popular airlines are British Airways (27%), Lufthansa (12%), and American Airlines (3%).
Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 603 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom C$ 619 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom C$ 686 | Free Cancellation | Rating 7.8 396 reviews | |||
| PriceFrom C$ 740 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom C$ 761 | Free Cancellation | Rating 7.4 652 reviews | |||
| PriceFrom C$ 765 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom C$ 779 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom C$ 795 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom C$ 939 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom C$ 956 | Free Cancellation | Rating 7.6 1,290 reviews |
Finnair Flights From Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
The lowest priced Finnair flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from the last 72 hours was C$ 699. Generally, Finnair has 3 flights on this route every week with an average price of C$ 736. Finnair is rated 7.6/10 by our users.
American Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport about 5 times each week, with ticket deals ranging from C$ 687 to C$ 830. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Montreal to London?
It is quick and easy to find Montreal to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from Montreal to London with flexible booking policies on momondo?
Yes. All flights to London from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Montreal to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Montreal.
I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.