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

For as low as £498, Lufthansa can have you in Montreal from London Heathrow Airport in 11h 30m. 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.

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

According to our current data, Air Transat (£323), Air Canada (£367), and British Airways (£379) offers the cheapest pricing from London Heathrow Airport to Montreal. Air Transat is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as £280. Users have also found prices from £292 and £329 on British Airways and TAP AIR PORTUGAL, respectively.

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.

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).

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

While on average a flight from London Heathrow Airport to Montreal is generally £1,014, our data shows the cheapest flight currently is £362. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £434 for that flight.

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

No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Montreal consider choosing Air Canada (92%), United Airlines (92%) or Lufthansa (92%) as they are the most reliable in getting you off to your destination on time.

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

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.

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

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

How can I find direct flights from Heathrow to Montreal?

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

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

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.

£301+ Cheap Flights from London Heathrow Airport to Montreal

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 £670 and £486 in November. The cheapest return flight price found within the last 3 days was £459 on SWISS (6 Nov-8 Nov).

Cheapflights Tip: The best prices from London Heathrow to Montreal are usually found in October or November, booked 84 days in advance, depart on a Friday or Monday and return on a Sunday

Cheap flight deals from Heathrow to Montreal

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 18 May 2026.

Fri 6/1118:40

LHR

YUL

1 stop25h 30m

SWISS

Sun 8/1120:25

YUL

LHR

2 stops16h 25m

SWISS

Deal found 17/5£459

Tue 23/613:50

LHR

YUL

1 stop30h 10m

Air Canada

Fri 3/707:30

YUL

LHR

2 stops44h 05m

Air Canada

Deal found 15/5£462

Tue 1/920:05

LHR

YUL

1 stop23h 55m

Multiple Airlines

Sat 12/910:35

YUL

LHR

1 stop17h 00m

Multiple Airlines

Deal found 13/5£462

Fri 5/606:00

LHR

YUL

1 stop14h 00m

Multiple Airlines

Sat 13/618:40

YUL

LHR

Nonstop6h 50m

Multiple Airlines

Deal found 13/5£463

Wed 3/608:40

LHR

YUL

1 stop11h 20m

Multiple Airlines

Sun 7/618:55

YUL

LHR

Nonstop6h 35m

Multiple Airlines

Deal found 13/5£464

Wed 17/606:00

LHR

YUL

1 stop12h 50m

Air Canada

Mon 22/610:40

YUL

LHR

2 stops29h 20m

Air Canada

Deal found 13/5£465

Wed 27/506:55

LHR

YUL

1 stop16h 55m

Multiple Airlines

Sat 6/618:40

YUL

LHR

Nonstop6h 50m

Multiple Airlines

Deal found 17/5£465

Mon 1/606:00

LHR

YUL

1 stop12h 50m

Air Canada

Sun 28/613:30

YUL

LHR

1 stop26h 30m

Air Canada

Deal found 16/5£467

Tue 23/618:40

LHR

YUL

1 stop25h 20m

Multiple Airlines

Tue 30/613:10

YUL

LHR

1 stop12h 25m

Multiple Airlines

Deal found 14/5£468

Sat 20/612:40

LHR

YUL

1 stop10h 42m

Air Canada

Thu 2/722:10

YUL

LHR

Nonstop6h 50m

Air Canada

Deal found 16/5£468

Sat 13/606:00

LHR

YUL

1 stop12h 50m

Austrian Airlines

Sat 20/616:10

YUL

LHR

1 stop12h 25m

Austrian Airlines

Deal found 16/5£469

Find flight deals from Heathrow to Montreal

Round-trip from	£459
One-way from	£301
Popular in	December
Cheapest in	October
Average price	£550
Good round-trip deal	£562 or less
Good one-way deal	£438 or less

SWISS
6/11-8/11
3 total stops
41h 55m total
London to Montreal

Search Deals

27/5
2 total stops
49h 25m total
London to Montreal

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2026

Search Deals

Price to beat on a round-trip flight from London Heathrow to Montreal (YMQ).

Search Deals

Price to beat on a one-way flight from London Heathrow to Montreal (YMQ).

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 7/7

09:30-16:00

1 stop11h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

18:40-06:30

Nonstop6h 50m

£498

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 31/5

06:50-22:06

2 stops20h 16m

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

15:25-08:20

1 stop11h 55m

£525

Fastest return journey

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 2/7

14:05-16:40

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 18/7

18:40-06:30

Nonstop6h 50m

£542

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 29/6

16:40-08:00

2 stops20h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

15:25-07:15

1 stop10h 50m

£546

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 9/6

11:30-23:28

2 stops16h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

18:50-13:50

1 stop14h 00m

£569

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 25/6

06:00-15:00

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

16:45-11:20

2 stops13h 35m

£573

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 29/5

06:00-15:00

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

18:35-13:00

2 stops13h 25m

£583

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 9/11

13:00-15:35

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 22/11

19:10-07:10

Nonstop7h 00m

£585

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 9/7

09:30-16:10

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

06:00-21:25

1 stop10h 25m

£588

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 9/6

06:00-18:59

2 stops17h 59m

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

18:35-13:00

2 stops13h 25m

£663

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Montreal

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

LHR-YMQ

LHR-YUL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

LHR-YMQ

LHR-YUL

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Montreal, you should look to book at least 63 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.

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal (average of £247). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £855). 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.

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

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.

Weekly flight availability from London Heathrow Airport to Montreal

The most flights from LHR to YMQ are scheduled on a Friday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

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?

Paris (CDG) – chosen by Cheapflights users on 30% of one-stop itineraries from London Heathrow Airport to Montreal on Cheapflights.

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

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £392.

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

Flights via Toronto (YYZ) have the shortest average one-way travel time for one-stop routes: 10h 50m.

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

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 0h 55m.

How often are flights from London to Montreal delayed?

About 10% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 152 minutes.

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

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

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

Monday 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.

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

Over the past year, Air Canada have had the lowest number of delays on this route, with just 7% of flights being delayed.

Reviews of airlines servicing Montreal

See what other customers who have flown with TAP AIR PORTUGAL,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.

TAP AIR PORTUGAL

7.2

Good

2,252 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

TAP AIR PORTUGAL

7.2

Good

2,252 reviews

TAP AIR PORTUGAL

7.2

Good

2,252 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

American Airlines

7.1

Good

11,651 reviews

TAP AIR PORTUGAL

7.2

Good

2,252 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

Air Canada

7.1

Good

11,057 reviews

TAP AIR PORTUGAL

7.2

Good

2,252 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

Lufthansa

6.8

Okay

8,009 reviews

TAP AIR PORTUGAL

7.2

Good

2,252 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

British Airways

6.7

Okay

7,985 reviews

TAP AIR PORTUGAL

7.2

Good

2,252 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

Related info for your journey

How long is the flight from London Heathrow Airport to Montreal?
For as low as £498, Lufthansa can have you in Montreal from London Heathrow Airport in 11h 30m. 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.
What are the cheapest airlines flying from London Heathrow Airport to Montreal round-trip?
According to our current data, Air Transat (£323), Air Canada (£367), and British Airways (£379) offers the cheapest pricing from London Heathrow Airport to Montreal. Air Transat is 37% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Montreal one-way?
For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as £280. Users have also found prices from £292 and £329 on British Airways and TAP AIR PORTUGAL, respectively.
What are the most reliable airlines from London Heathrow Airport to Montreal?
No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Montreal consider choosing Air Canada (92%), United Airlines (92%) or Lufthansa (92%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from London Heathrow Airport to Montreal?
While on average a flight from London Heathrow Airport to Montreal is generally £1,014, our data shows the cheapest flight currently is £362. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £434 for that flight.
Can I find deals for flights from Heathrow to Montreal that include hotel bookings?
Yes. In addition to deals on Heathrow to Montreal flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Montreal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Montreal.
Can I find deals for business class flights from Heathrow to Montreal?
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.
What is the cheapest month to book a flight from London Heathrow Airport to Montreal?
Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal (average of £247). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £855). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Quebec

Flights by cabin class

Montreal flight routes

Other flight options

Other flights from Heathrow

Popular flights

Alternative routes for Heathrow to Montreal

Heathrow to Pierre Elliott Trudeau Intl flights

Gatwick to Pierre Elliott Trudeau Intl flights

London City to Pierre Elliott Trudeau Intl flights

Stansted to Pierre Elliott Trudeau Intl flights

Luton to Pierre Elliott Trudeau Intl flights

Heathrow to Ottawa flights

London City to Ottawa flights

Gatwick to Ottawa flights

Stansted to Ottawa flights

Heathrow to Québec City flights

Gatwick to Québec City flights

London City to Québec City flights

Top 6 airlines flying from Heathrow to Montreal

Airline	Cheapest	Average	Flexibility	On-time
Air Transat	Cheapest£323	Average£478	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air Canada	Cheapest£367	Average£539	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£379	Average£548	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£391	Average£796	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Lufthansa	Cheapest£402	Average£557	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£428	Average£724	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

Fly with Cheapflights

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

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.

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

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.

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

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

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

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.

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Cheap flights from London Heathrow Airport to Montreal from £301

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 27/5. 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 18 May 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 18 May 2026.

Best flights from Heathrow to MontrealDiscover carefully curated flight deals from Heathrow to Montreal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 May 2026.

Discover carefully curated flight deals from Heathrow to Montreal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 May 2026.

Direct flights from Heathrow to MontrealExplore direct flight options from Heathrow to Montreal based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 May 2026.

Explore direct flight options from Heathrow to Montreal based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 May 2026.

Last-minute flights from Heathrow to MontrealDiscover last-minute flight deals from Heathrow to Montreal. Data last updated 18 May 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Montreal. Data last updated 18 May 2026 and is based on user searches.

One-way flights from Heathrow to MontrealSearch for one-way flight options from Heathrow to Montreal. Find affordable one-way fares based on user searches. Data last updated 18 May 2026.

Search for one-way flight options from Heathrow to Montreal. Find affordable one-way fares based on user searches. Data last updated 18 May 2026.

Find flight deals from Heathrow to Montreal

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One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Montreal

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

Cheapflights Insights

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?

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 18 May 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 18 May 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 TAP AIR PORTUGAL,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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Montreal

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Montreal by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Quebec

Book a non-stop flight to one of these other cities located in Quebec.

Search flights from Heathrow to Montreal by cabin class

Find flights from Heathrow to Montreal, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Montreal

Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2026.

Heathrow and Montreal flights

Browse other Heathrow and Montreal flight options. Last updated on 18 May 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 6 airlines flying from Heathrow to Montreal

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 18 May 2026.

Best flights from Heathrow to Montreal
Discover carefully curated flight deals from Heathrow to Montreal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 May 2026.

Direct flights from Heathrow to Montreal
Explore direct flight options from Heathrow to Montreal based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 May 2026.

Last-minute flights from Heathrow to Montreal
Discover last-minute flight deals from Heathrow to Montreal. Data last updated 18 May 2026 and is based on user searches.

One-way flights from Heathrow to Montreal
Search for one-way flight options from Heathrow to Montreal. Find affordable one-way fares based on user searches. Data last updated 18 May 2026.