Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from $320
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 8/11. 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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Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
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SWISS flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
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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 $658. If you’re not able to fly to London Heathrow Airport in October, then May is your next best option. Flight prices from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport during May average around $672.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Saturday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $802. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $889.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in the morning for as low as $668. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $864.
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 $744 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 $672 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 24% 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, Aer Lingus, and WestJet are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to London Heathrow
What 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 traveling to London Heathrow Airport. Keep in mind that there are 4 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?
8 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport as of June 2025. The most popular departure time for this route is 10:00PM, with 100% of flights per day taking off in the evening.
How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on average per week?
As of June 2025, 60 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in London Heathrow Airport each week. The most common flight departure day for this route is Thu, with 22% of weekly flights taking off 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?
London Heathrow is 3238.7 mi away from Montreal Pierre Elliott Trudeau Intl. 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 4 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is Boeing 787-8 Dreamliner, representing 46.78% of all bookings. The subsequent popular models are Airbus A321neo at 22.95%, Boeing 787-9 Dreamliner at 12.77%, and Airbus A330-200 at 6.39%.
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is Air Canada, representing 54% of all bookings. The subsequent popular airlines are British Airways at 23%, Lufthansa at 16%, and American Airlines at 7%.
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 $559 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $596 | Free Cancellation | Rating 6.7 7,136 reviews | |||
| PriceFrom $632 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $690 | Free Cancellation | Rating 7.2 10,000 reviews |
American Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
American Airlines flies from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport around 5 times per week, with 10,000 momondo users rating the airline 7.2/10. The cheapest American Airlines deal from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in the last 72 hours was $690 (round-trip), much lower than the average airfare cost of $854 for American Airlines flights on this route.
Air Canada Flights From Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Air Canada (7.1/10 from 9,537 reviews) operates around 1 flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in any given week. The average Air Canada airfare for this route is around $744, with deals from around $559 rare but found on momondo. Referenced prices are for round-trip Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight 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. momondo allows you to filter the results for Montreal to London flights to just show those with flexible booking policies.
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?
Of course. momondo tracks the price of Montreal to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.