Question 1

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

Accepted Answer

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £344.

Question 2

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

Accepted Answer

Flights via Lisbon (LIS) have the shortest average one-way travel time for one-stop routes: 16h 10m.

Question 3

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

Accepted Answer

Halifax (YHZ) – chosen by Cheapflights users on 75% 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 stopover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Flights via Lisbon (LIS) offer the fastest connection on this route, with an average stopover time of 6h 28m.

Question 5

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Airlines like Air Canada fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 8h 40m. The time it takes to get you to your destination can typically vary by up to . The distance from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is about 3239 mi.

Question 6

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

Accepted Answer

Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is Air Canada. Our recent data shows that you can find tickets from as low as £392 on this airline. An additional option worth looking into is British Airways, starting at £455. These flights start at 28% lower than the current average price 3 months from now.

Question 7

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

Accepted Answer

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 8

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 £112). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 9

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

Accepted Answer

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

Question 10

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 Friday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Question 11

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches 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 12

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 13

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

Accepted Answer

The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is £357. On average you can expect to pay £754. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £343.

Question 14

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

Accepted Answer

Consider Aegean Airlines (68%), Thai Airways (68%) or Air Canada (68%) when booking your flight. These represent the most reliable 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

Leaving on a Saturday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 37% on the overall cost on flights from Montreal Pierre Elliott Trudeau Intl Airport 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

Travelers have found it’s best to book a flight 35 days in advance to save up to 27% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport 1-2 weeks in advance for as low as £491, or £645 for flights within the next 24 hours.

Question 17

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

Accepted Answer

Our data shows that May tends to be the cheapest month to fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport. Users have commonly found prices around £518 for the month, but tickets can be as low as £361. Due to multiple factors, prepare for potentially higher prices in December.

Question 18

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

Accepted Answer

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.

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 holiday 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 goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 23

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pierre Elliott Trudeau Intl to Heathrow for you. Better yet — we are completely free to use.

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, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£395
One-way from	£193
Popular in	December
Cheapest in	October
Average price	£587
Good round-trip deal	£395 or less
Good one-way deal	£483 or less

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£392	Average£474	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£455	Average£710	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £193

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 29/9. 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 Wednesday and return on a Wednesday

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Find flight deals from Pierre Elliott Trudeau Intl to Heathrow

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 25 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 25 August 2025.

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

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Cheapflights Insights

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?

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?

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

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

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

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

Which airport typically offers the quickest stopover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow 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 Air Canada and British Airways. 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.

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

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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Alternative routes for Pierre Elliott Trudeau Intl to Heathrow

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Top 2 airlines flying from Pierre Elliott Trudeau Intl to Heathrow

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

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

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

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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 25 August 2025.