Question 1

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

Accepted Answer

Our cheapest airline available from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is SWISS. Our recent data shows that you can find tickets from as low as £344 on this airline. Additional options worth looking into are Lufthansa and British Airways, starting at £346 and £359 round-trip. SWISS is priced at 28% lower than the current average price of a flight leaving 3 months from now.

Question 2

What are the cheapest airlines to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport one-way?

Accepted Answer

One-way options have recently been found by users for as low as £323 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Aer Lingus from £361 and British Airways from £393 one-way.

Question 3

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

Accepted Answer

The best time to book flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of £475). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of £743). 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 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

The most flights from LHR to YUL are scheduled on a Saturday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 inches per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl 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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Question 9

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

Accepted Answer

Looking at all options, your cheapest flight can be booked for £332. While the most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl) can be booked for £344 on average our data indicates £1,367 when flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport.

Question 10

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

Accepted Answer

Consider Austrian Airlines (92%), United Airlines (92%) or Lufthansa (92%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport.

Question 11

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

Accepted Answer

Before booking your flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport check out the most popular airlines for this route: Air Canada, Air France or Finnair.

Question 12

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

Accepted Answer

Travelers have found that booking a Tuesday departure is the best way to save up to 8% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 13

How far in advance should I book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl 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 57 days in advance, which can save you up to 31% on flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport compared to booking the week you need them. Waiting 57 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 £399. For sooner than that we have options available in the next 3 days from £490.

Question 14

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

Accepted Answer

September can be a great time to fly to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport with a flight ticket averaging about £446. Cheapflights users have found deals in the month of September for as cheap as £302. The most expensive prices can be found in the month of December.

Question 15

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

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Pierre Elliott Trudeau Intl 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 19

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

Accepted Answer

When you search for this flight from Heathrow to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 20

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

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Pierre Elliott Trudeau Intl.

Question 21

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

Accepted Answer

Yes! Cheapflights helps users easily find flights from Heathrow to Pierre Elliott Trudeau Intl with no change fees.

Question 22

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

Accepted Answer

Yes, Cheapflights offers price alerts on Heathrow to Pierre Elliott Trudeau Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£344
One-way from	£273
Popular in	August
Cheapest in	September
Average price	£455
Good round-trip deal	£439 or less
Good one-way deal	£473 or less

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£94	Average£517	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	Cheapest£318	Average£552	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
United Airlines	Cheapest£319	Average£476	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
TAP AIR PORTUGAL	Cheapest£329	Average£525	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Canada	Cheapest£361	Average£468	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest£362	Average£480	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£364	Average£525	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£377	Average£670	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Finnair	Cheapest£396	Average£696	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from £273

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Montreal Pierre Elliott Trudeau Intl are usually found in September or May, booked 86 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

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Find flight deals from Heathrow to Pierre Elliott Trudeau Intl

Cheapest flights from Heathrow to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Heathrow to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Explore the most affordable flight options available from Heathrow to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

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Use the filters below to find and compare flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

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

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

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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on 27 June 2025.

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

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

Find hourly flight availability from Heathrow to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 June 2025.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on 29 June 2025.

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

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Read through reviews of airlines operating flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, such as Delta, Austrian Airlines, andSWISS. 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 Heathrow to Pierre Elliott Trudeau Intl. 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 London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport one-way?

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

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

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

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

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

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

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Alternative routes for Heathrow to Pierre Elliott Trudeau Intl

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Top 9 airlines flying from Heathrow to Pierre Elliott Trudeau Intl

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

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

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

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

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Cheapest flights from Heathrow to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Heathrow to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.