Question 1

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

Accepted Answer

WestJet and KLM are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to London

Question 2

What airlines fly to London?

Accepted Answer

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to London from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when traveling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Question 3

Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to London?

Accepted Answer

Brussels (BRU) has the shortest average layover time for this route: 1h 25m.

Question 4

What is the cheapest month to fly to London?

Accepted Answer

The cheapest month to fly to London from Montreal Pierre Elliott Trudeau Intl Airport is in November. Flight prices, which tend to average around $603, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around $606.

Question 5

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 in the evening have, in the past, seen delays more frequently in comparison.

Question 6

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

Accepted Answer

As of December 2025, 78 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in London each week. The most common flight departure day for this route is Sun, with 17% of weekly flights taking off on this day.

Question 7

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

Accepted Answer

You could potentially save up to 25% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to London flight.

Question 8

How often are flights from Montreal to London delayed?

Accepted Answer

Historically, on average around 19% 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 165 minutes.

Question 9

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

Accepted Answer

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to London is on a Saturday. Travelers who choose to depart for London on a Saturday will often find tickets for as low as $777. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $888. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Question 10

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

Accepted Answer

11 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to London as of December 2025. The most popular departure time for this route is 7:00PM, with 100% of flights per day taking off in the evening.

Question 11

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

Accepted Answer

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Question 12

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

Accepted Answer

As of December 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to London flights are approximately 43% more expensive when compared to flights at the same time last year.

Question 13

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

Accepted Answer

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 14

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to London?

Accepted Answer

Flights via Toronto (YYZ) offer the lowest average round-trip price of $530.

Question 15

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

Accepted Answer

You are more likely to see cheaper flights to London 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 for around $734 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Montreal Pierre Elliott Trudeau Intl Airport for as low as $656 on momondo.

Question 16

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

Accepted Answer

Flying to London from Montreal Pierre Elliott Trudeau Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $697 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $836. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Question 17

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

Accepted Answer

According to our data, Air Transat have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

Question 18

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to London?

Accepted Answer

Flights connecting via Brussels (BRU) have the shortest average one-way travel time: 10h 05m.

Question 19

Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and London?

Accepted Answer

Toronto (YYZ) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Question 20

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

Accepted Answer

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

Question 21

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

Accepted Answer

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

Question 22

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

Accepted Answer

There are 5 operators available for flights from Montreal Pierre Elliott Trudeau Intl Airport to London as of December 2025.

Question 23

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

Accepted Answer

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.

Question 24

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

Accepted Answer

The necessary travel and health documents for your London 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	$571
Fastest flight time	6h 40m
Direct flights	Every day
Airports in London	6 airports

Airline	Rating	Free Cancellation	Price
Air Transat	PriceFrom $526	Free Cancellation	Rating 7.8 483 reviews	Search Air Transat flights
Air Canada	PriceFrom $543	Free Cancellation	Rating 7.1 10,527 reviews	Search Air Canada flights
Lufthansa	PriceFrom $545	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
American Airlines	PriceFrom $582	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
British Airways	PriceFrom $587	Free Cancellation	Rating 6.7 7,578 reviews	Search British Airways flights

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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to London

What is the cheapest month to fly to London?

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

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

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

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

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

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

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to London 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 flights?

You could potentially save up to 25% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to London flight.

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

As of December 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to London flights are approximately 43% 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?

WestJet and KLM are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to London

What airlines fly to London?

How often are flights from Montreal to London delayed?

Historically, on average around 19% 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 165 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 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?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday 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, Air Transat have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and London?

Toronto (YYZ) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to London?

Flights via Toronto (YYZ) offer the lowest average round-trip price of $530.

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to London?

Flights connecting via Brussels (BRU) have the shortest average one-way travel time: 10h 05m.

Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to London?

Brussels (BRU) has the shortest average layover time for this route: 1h 25m.

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

11 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to London as of December 2025. The most popular departure time for this route is 7:00PM, with 100% of flights per day taking off in the evening.

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

As of December 2025, 78 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in London each week. The most common flight departure day for this route is Sun, with 17% of weekly flights taking off on this day.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to London

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