Question 1

What is the cheapest Montreal Pierre Elliott Trudeau Intl to London Heathrow flight route?

Accepted Answer

Fly from Montreal Pierre Elliott Trudeau Intl to London Heathrow for the best Montreal Pierre Elliott Trudeau Intl - London Heathrow flight prices

Question 2

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to London Heathrow flights?

Accepted Answer

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.

Question 3

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights?

Accepted Answer

You could potentially save up to 55% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight.

Question 4

How far in advance should I book a flight to London Heathrow Airport?

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £554 when searching weeks before you fly. 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 £498 on momondo.

Question 5

How often are flights from Montreal to London delayed?

Accepted Answer

Historically, on average around 20% of flights between Montreal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

Question 6

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in the afternoon for as low as £532. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £602 on average. Flights to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 7

How have Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights are approximately 7% more expensive when compared to flights at the same time last year.

Question 8

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to London Heathrow?

Accepted Answer

WestJet is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to London Heathrow

Question 9

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as £454. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £627.

Question 10

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 11

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on average per week?

Accepted Answer

As of December 2025, there are 65 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

Question 12

What is the most punctual flight time for Montreal to London flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 13

Which airline has the best punctuality record on Montreal to London flights?

Accepted Answer

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

Question 14

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, October is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £495. The month of May is another great option to travel to London Heathrow Airport, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around £500.

Question 15

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on average per day?

Accepted Answer

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and London Heathrow Airport is 9 per day as of December 2025. The most frequent departure time is 19:00, with 100% of daily flights leaving in the evening.

Question 16

What is the typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and London Heathrow Airport?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £587 to £803.
The lowest price recently found on this route was £447.

Question 17

When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport are refreshed on a daily basis.

Question 18

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

There are 2 operators available for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport as of December 2025.

Question 19

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.

Question 20

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

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.

Best price found	£430
Fastest flight time	6h 40m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom £401	Free Cancellation	Rating 7.1 10,500 reviews		Search Air Canada flights
British Airways	PriceFrom £413	Free Cancellation	Rating 6.7 7,562 reviews		Search British Airways flights

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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 typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

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?

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 55% 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 December 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights are approximately 7% 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?

WestJet is the most popular carrier operating from Montreal Pierre Elliott Trudeau Intl to London Heathrow

How often are flights from Montreal to London delayed?

Historically, on average around 20% of flights between Montreal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 168 minutes.

What is the most punctual flight time for Montreal to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Montreal to London flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on average per day?

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and London Heathrow Airport is 9 per day as of December 2025. The most frequent departure time is 19:00, with 100% of daily flights leaving in the evening.

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on average per week?

As of December 2025, there are 65 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. The most common day of the week flights depart is Mon, with 18% of 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

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When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

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