Question 1

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Flights via Ottawa (YOW) have the shortest average one-way travel time for 1-stop routes: 9h 00m.

Question 2

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of C$ 743.

Question 3

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Paris (CDG) – chosen by Cheapflights users on 45% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on Cheapflights.

Question 4

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average layover time of 2h 16m.

Question 5

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport round-trip?

Accepted Answer

Currently priced at C$ 630, TAP AIR PORTUGAL will fly you from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Transat and Air Canada - these airlines can fly you to your destination from C$ 692 and C$ 746, respectively. TAP AIR PORTUGAL is currently priced 38% below the average price you’ll pay for this route.

Question 6

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 7

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of C$ 560). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 8

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 9

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

Accepted Answer

The most flights from YUL to LHR are scheduled on a Wednesday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 12

What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Looking for the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport? While on average our users pay C$ 2,269, our data indicates the cheapest price to be C$ 435. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow), is priced around C$ 676.

Question 13

What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on time: Austrian Airlines (87%), United Airlines (87%), Lufthansa (87%).

Question 14

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.

Question 15

What is the cheapest day to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Monday flights are generally found to be more expensive for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

Question 16

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 23% on flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 915. For sooner than that we have options available in the next 3 days from C$ 1,135.

Question 17

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport lean towards being more expensive in December. Prices are generally better when you fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in May, with the cheapest ticket starting at C$ 673.

Question 18

What is the cheapest time of day to fly from YUL to LHR?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the evening.

Question 19

Can I find deals for flights from Pierre Elliott Trudeau Intl to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Pierre Elliott Trudeau Intl to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 20

How can I find direct flights from Pierre Elliott Trudeau Intl to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Heathrow.

Question 21

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 22

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Heathrow?

Accepted Answer

Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 23

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Heathrow?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 24

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Heathrow with no change fees?

Accepted Answer

Need flexible booking options for your flight to Heathrow from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 25

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Heathrow become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

Round-trip from	C$ 735
One-way from	C$ 364
Popular in	December
Cheapest in	October
Average price	C$ 1,089
Good round-trip deal	C$ 920 or less
Good one-way deal	C$ 714 or less

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	CheapestC$ 630	AverageC$ 701	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Transat	CheapestC$ 692	AverageC$ 1,022	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air Canada	CheapestC$ 746	AverageC$ 994	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 759	AverageC$ 999	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	CheapestC$ 767	AverageC$ 862	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	CheapestC$ 785	AverageC$ 1,049	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	CheapestC$ 802	AverageC$ 1,032	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air France	CheapestC$ 815	AverageC$ 911	FlexibilityNo cancel fee	On-time77%	Search Air France flights
American Airlines	CheapestC$ 851	AverageC$ 1,103	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Finnair	CheapestC$ 964	AverageC$ 1,024	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from C$ 364

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in October or May, booked 69 days in advance, depart on a Sunday or Friday and return on a Saturday

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Cheapest flights from Pierre Elliott Trudeau Intl to HeathrowExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

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Best time to book a flight from Pierre Elliott Trudeau Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Pierre Elliott Trudeau Intl with our price prediction graph.

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Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Heathrow. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

What is the cheapest time of day to fly from YUL to LHR?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Heathrow. Price data was last updated on 16 December 2024.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as Finnair,American Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport round-trip?

What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Can I find deals for flights from Pierre Elliott Trudeau Intl to Heathrow that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to Heathrow?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Heathrow?

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

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Cheapest flights from Pierre Elliott Trudeau Intl to Heathrow
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.