Question 1

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

Accepted Answer

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

Question 2

What is the cheapest month to fly to Montreal?

Accepted Answer

The month of June is, on average, the cheapest month to fly to Montreal from London Heathrow Airport, with most prices found around £412. The month of May is another great option to travel to Montreal, with average flight prices from London Heathrow Airport averaging around £416.

Question 3

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Montreal?

Accepted Answer

Paris (CDG) was the most common stop: 57% of momondo users choosing one-stop flights on this route connected there.

Question 4

How many flights depart from London Heathrow Airport to Montreal on average per day?

Accepted Answer

The number of flights available between London Heathrow Airport and Montreal is 11 per day as of December 2025. The most frequent departure time is 13:00, with 100% of daily flights leaving in the afternoon.

Question 5

Which stopover airport offers the lowest fares from London Heathrow Airport to Montreal?

Accepted Answer

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £367.

Question 6

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

Accepted Answer

Tuesday 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 7

What is the cheapest airline that flies from London Heathrow to Montreal?

Accepted Answer

Delta, WestJet, and KLM are the most popular carriers operating from London Heathrow to Montreal

Question 8

What is the most punctual flight time for London to Montreal 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 9

How have London Heathrow Airport to Montreal flight prices changed over time?

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Montreal flights are approximately 57% more expensive when compared to flights at the same time last year.

Question 10

Which stopover airport has the shortest connection time from London Heathrow Airport to Montreal?

Accepted Answer

Newark (EWR) has the shortest average stopover time for this route: 1h 43m.

Question 11

Can stopping save me money on London Heathrow Airport to Montreal flights?

Accepted Answer

You could potentially save up to 20% on your flight if you consider stops on a London Heathrow Airport to Montreal flight.

Question 12

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

Accepted Answer

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Montreal when you can find flight prices for as low as £508. Flying to Montreal in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Montreal is at midday when prices are around £579.

Question 13

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

Accepted Answer

The cheapest day to depart from London Heathrow Airport to Montreal is on a Wednesday. Travellers who choose to depart for Montreal on a Wednesday will often find tickets for as low as £531. Flights from London Heathrow Airport to Montreal on a Saturday will generally be more expensive and average around £564. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 14

How often are flights from London to Montreal delayed?

Accepted Answer

Historically, on average around 10% of flights between London and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Question 15

What cabin class options are available on London Heathrow to Montreal flights?

Accepted Answer

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

Question 16

Which stopover airport has the shortest travel time from London Heathrow Airport to Montreal?

Accepted Answer

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 10h 30m.

Question 17

Which airlines fly to Montreal?

Accepted Answer

Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to Montreal from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when travelling to Montreal. Keep in mind that there are 9 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

Question 18

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

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £503 to £752.
The lowest price recently found on this route was £435.

Question 19

What is the cheapest London Heathrow to Montreal flight route?

Accepted Answer

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

Question 20

How many flights depart from London Heathrow Airport to Montreal on average per week?

Accepted Answer

80 flights are operational weekly from London Heathrow Airport to Montreal as of December 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

Question 21

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

Accepted Answer

You are more likely to see cheaper flights to Montreal from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around £485 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from London Heathrow Airport for as low as £445 on momondo.

Question 22

When did momondo last update prices for flights from London Heathrow Airport to Montreal?

Accepted Answer

Prices for flights from London Heathrow Airport to Montreal refresh daily.

Question 23

How many operators does momondo search for flights from London Heathrow Airport to Montreal?

Accepted Answer

As of December 2025, there are 9 operators available to choose from for flights from London Heathrow Airport to Montreal.

Question 24

How old do you have to be to fly from London Heathrow Airport to Montreal?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Montreal.

Question 25

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

Accepted Answer

The necessary travel and health documents for your Montreal 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	£420
Fastest flight time	7h 10m
Direct flights	Every day
Airports in Montreal	2 airports

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom £97	Free Cancellation	Rating 7.4 1,506 reviews	Search Air France flights
Virgin Atlantic	PriceFrom £260	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Air Transat	PriceFrom £321	Free Cancellation	Rating 7.8 483 reviews	Search Air Transat flights
United Airlines	PriceFrom £328	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom £337	Free Cancellation	Rating 7.2 2,090 reviews	Search TAP AIR PORTUGAL flights
Air Canada	PriceFrom £367	Free Cancellation	Rating 7.1 10,527 reviews	Search Air Canada flights
Lufthansa	PriceFrom £370	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
British Airways	PriceFrom £378	Free Cancellation	Rating 6.7 7,580 reviews	Search British Airways flights
Finnair	PriceFrom £400	Free Cancellation	Rating 7.6 1,337 reviews	Search Finnair flights

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