Q: How much does it cost for a return flight from London Heathrow Airport to Montreal?

Airfare is below average for this route at the moment. London Heathrow Airport to Montreal flights typically cost between £388 and £518 in February. The cheapest return flight price found within the last 3 days was £377 on Multiple Airlines (17 Feb-1 Apr).

Question 1

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Montreal?

Accepted Answer

Flights via Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 31m.

Question 2

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

Accepted Answer

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Question 3

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

Accepted Answer

Lisbon (LIS) – chosen by Cheapflights users on 24% of one-stop itineraries from London Heathrow Airport to Montreal on Cheapflights.

Question 4

How often are flights from London to Montreal delayed?

Accepted Answer

About 9% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 156 minutes.

Question 5

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

Accepted Answer

Over the past year, Air Canada have had the lowest number of delays on this route, with just 6% of flights being delayed.

Question 6

How much does it cost for a return flight from London Heathrow Airport to Montreal?

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Montreal flights typically cost between £388 and £518 in February.
The cheapest return flight price found within the last 3 days was £377 on Multiple Airlines (17 Feb-1 Apr).

Question 7

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

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Question 8

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

Accepted Answer

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £389.

Question 9

What’s the fastest stopover option from London Heathrow Airport to Montreal?

Accepted Answer

Flights via Paris (CDG) have the shortest average one-way travel time for one-stop routes: 10h 43m.

Question 10

How long is the flight from London Heathrow Airport to Montreal?

Accepted Answer

For as low as £397, KLM can have you in Montreal from London Heathrow Airport in 7h 40m. The distance between London Heathrow Airport and Montreal is about 3239 mi. Both multi-stop and direct flights can be found to your destination and back.

Question 11

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

Accepted Answer

According to our current data, Air France (£96), Air Transat (£320), and United Airlines (£326) offers the cheapest pricing from London Heathrow Airport to Montreal. Air France is 79% cheaper than the average price of flights available within the next 90 days to this destination.

Question 12

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

Accepted Answer

For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as £277. Users have also found prices from £327 and £449 on TAP AIR PORTUGAL and Lufthansa, respectively.

Question 13

How far ahead should I book a flight from London Heathrow Airport to Montreal?

Accepted Answer

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Montreal, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 14

What is the cheapest month to book a flight from London Heathrow Airport to Montreal?

Accepted Answer

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal (average of £333). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £382). 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 15

Weekly flight availability from London Heathrow Airport to Montreal

Accepted Answer

The most flights from LHR to YMQ are scheduled on a Wednesday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

Question 16

E

Accepted Answer

In terms of precipitation, rainfall in Montreal 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 when rainfall is around 64.0 mm.

Question 17

E

Accepted Answer

If weather is an important factor for your trip to Montreal, 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 18

What are the cheapest flights from London Heathrow Airport to Montreal?

Accepted Answer

While on average a flight from London Heathrow Airport to Montreal is generally £951, our data shows the cheapest flight currently is £311. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £310 for that flight.

Question 19

What are the most reliable airlines from London Heathrow Airport to Montreal?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Montreal consider choosing Air Canada (93%), Austrian Airlines (93%) or United Airlines (93%) as they are the most reliable in getting you off to your destination on time.

Question 20

What are the most popular airlines that fly from London Heathrow Airport to Montreal?

Accepted Answer

The most popular airlines flying from London Heathrow Airport to Montreal are Air Canada, British Airways and Lufthansa. Something to consider prior to booking your flight.

Question 21

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Montreal as you normally would.

Question 22

Can I find deals for flights from Heathrow to Montreal that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Montreal flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 23

How can I find direct flights from Heathrow to Montreal?

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 Montreal.

Question 24

Can I find deals for business class flights from Heathrow to Montreal?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Montreal 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 25

How does Cheapflights help users find flights from Heathrow to Montreal?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Montreal. 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 26

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Montreal?

Accepted Answer

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

Question 27

Can Cheapflights find flights from Heathrow to Montreal with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Heathrow to Montreal with no change fees.

Question 28

Can Cheapflights notify me if prices for flights from Heathrow to Montreal become cheaper?

Accepted Answer

Yes! Start tracking prices for Heathrow to Montreal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£377
One-way from	£293
Popular in	December
Cheapest in	June
Average price	£472
Good round-trip deal	£440 or less
Good one-way deal	£484 or less

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest£96	Average£423	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Transat	Cheapest£320	Average£483	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
United Airlines	Cheapest£326	Average£493	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	Cheapest£366	Average£495	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	Cheapest£370	Average£500	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£376	Average£518	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£398	Average£675	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Virgin Atlantic	Cheapest£424	Average£722	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Cheap flights from London Heathrow Airport to Montreal from £293

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Montreal

Cheapest flights from Heathrow to MontrealExplore the most affordable flight options available from Heathrow to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Explore the most affordable flight options available from Heathrow to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

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Best time to book a flight from Heathrow to Montreal

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Everything you need to know about your flight from London Heathrow Airport to Montreal

How far ahead should I book a flight from London Heathrow Airport to Montreal?

Use this chart to determine the optimal time to book a return flight from Heathrow to Montreal. Price data was last updated on 16 January 2026.

What is the cheapest month to book a flight from London Heathrow Airport to Montreal?

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

Find hourly flight availability from Heathrow to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 January 2026.

Weekly flight availability from London Heathrow Airport to Montreal

Explore weekly flight availability from Heathrow to Montreal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 January 2026.

How much does it cost for a return flight from London Heathrow Airport to Montreal?

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

Share of one-stop return flights from London Heathrow Airport to Montreal chosen by Cheapflights users in the past 12 months, using the same stopover each way.

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

Average return fare for one-stop flights from London Heathrow Airport to Montreal, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London Heathrow Airport to Montreal?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Montreal, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Montreal?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Montreal, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

How often are flights from London to Montreal delayed?

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

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

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

Reviews of airlines servicing Montreal

See what other customers who have flown with United Airlines, American Airlines, andAir Canada from London Heathrow Airport to Montreal have to say. You can also see how each airline compares in terms of 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 Montreal. 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 London Heathrow Airport to Montreal?

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

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

What are the most reliable airlines from London Heathrow Airport to Montreal?

What are the cheapest flights from London Heathrow Airport to Montreal?

Can I find deals for flights from Heathrow to Montreal that include hotel bookings?

How can I find direct flights from Heathrow to Montreal?

Can I find deals for business class flights from Heathrow to Montreal?

What is the cheapest month to book a flight from London Heathrow Airport to Montreal?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Montreal

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Top 8 airlines flying from Heathrow to Montreal

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How does Cheapflights help users find flights from Heathrow to Montreal?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Montreal?

Can Cheapflights find flights from Heathrow to Montreal with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Montreal become cheaper?

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Cheapest flights from Heathrow to Montreal
Explore the most affordable flight options available from Heathrow to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.