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

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

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

How often are flights from London to Montreal delayed?

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.

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

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.

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

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.

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

There is 1 operator available for flights from London Heathrow Airport to Montreal as of December 2025.

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

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 London Heathrow Airport to Montreal.

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

The travel and health documents you'll need for your trip to Montreal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Montreal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$589 Cheap Flights from London Heathrow Airport to Montreal in 2025/26

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

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.

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

Prices are currently typical for flights on this route. Typical prices usually range from $786 to $1,095. The lowest price recently found on this route was $831.

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Montreal

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:50 - 15:16

LHR

YUL

37h 26m2 stops

14:13 - 06:40

YUL

LHR

11h 27m1 stop

$831United Airlines

Fri, 13 Feb - Fri, 20 Feb

07:00 - 15:55

LHR

YUL

12h 55m2 stops

19:35 - 13:00

YUL

LHR

13h 25m2 stops

$834SWISS

Fri, 13 Mar - Wed, 18 Mar

17:45 - 00:40

LHR

YUL

11h 55m1 stop

22:20 - 13:45

YUL

LHR

10h 25m1 stop

$840Multiple Airlines

Fri, 22 May - Fri, 5 Jun

17:40 - 20:15

LHR

YUL

7h 35mdirect

22:10 - 10:00

YUL

LHR

6h 50mdirect

$843Lufthansa

Sun, 24 May - Sat, 6 Jun

06:20 - 13:15

LHR

YUL

10h 55m1 stop

20:05 - 10:30

YUL

LHR

10h 25m1 stop

$847Delta

Tue, 10 Mar - Mon, 16 Mar

19:30 - 15:10

LHR

YUL

24h 40m2 stops

20:15 - 16:20

YUL

LHR

15h 05m2 stops

$849SWISS

Wed, 14 Jan - Thu, 22 Jan

11:05 - 15:16

LHR

YUL

57h 11m2 stops

14:13 - 10:25

YUL

LHR

15h 12m2 stops

$850United Airlines

Thu, 12 Feb - Thu, 19 Feb

07:30 - 17:05

LHR

YUL

14h 35m2 stops

15:41 - 07:15

YUL

LHR

10h 34m1 stop

$852United Airlines

Tue, 14 Apr - Sun, 19 Apr

07:30 - 17:22

LHR

YUL

14h 52m2 stops

15:30 - 10:40

YUL

LHR

14h 10m2 stops

$858United Airlines

Wed, 13 May - Wed, 27 May

06:50 - 17:22

LHR

YUL

15h 32m2 stops

15:40 - 10:40

YUL

LHR

14h 00m2 stops

$859United Airlines

Tue, 12 May - Tue, 26 May

SWISS flights from London Heathrow Airport to Montreal

Our best SWISS deals on London Heathrow Airport to Montreal flight tickets

SWISS

13 Mar

LHR07:00London Heathrow

12h 55m

2 stops

YUL15:55Montreal Pierre Elliott Trudeau Intl

18 Mar

YUL19:35Montreal Pierre Elliott Trudeau Intl

13h 25m

2 stops

LHR13:00London Heathrow

$834

Find similar

SWISS

14 Jan

LHR19:30London Heathrow

24h 40m

2 stops

YUL15:10Montreal Pierre Elliott Trudeau Intl

22 Jan

YUL20:15Montreal Pierre Elliott Trudeau Intl

15h 05m

2 stops

LHR16:20London Heathrow

$849

Find similar

SWISS

21 May

LHR20:05London Heathrow

23h 55m

1 stop

YUL15:00Montreal Pierre Elliott Trudeau Intl

27 May

YUL16:40Montreal Pierre Elliott Trudeau Intl

16h 00m

2 stops

LHR13:40London Heathrow

$861

Find similar

Delta flights from London Heathrow Airport to Montreal

Our best Delta deals on London Heathrow Airport to Montreal flight tickets

Delta

10 Mar

LHR06:20London Heathrow

10h 55m

1 stop

YUL13:15Montreal Pierre Elliott Trudeau Intl

19 Mar

YUL18:00Montreal Pierre Elliott Trudeau Intl

9h 55m

1 stop

LHR07:55London Heathrow

$847

Find similar

Delta

2 Apr

LHR09:55London Heathrow

12h 00m

1 stop

YUL16:55Montreal Pierre Elliott Trudeau Intl

14 Apr

YUL19:00Montreal Pierre Elliott Trudeau Intl

13h 45m

1 stop

LHR13:45London Heathrow

$864

Find similar

Delta

7 Feb

LHR06:30London Heathrow

21h 42m

2 stops

YUL23:12Montreal Pierre Elliott Trudeau Intl

10 Mar

YUL20:05Montreal Pierre Elliott Trudeau Intl

10h 25m

1 stop

LHR10:30London Heathrow

$913

Find similar

momondo 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

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 13/2

06:50-15:16

2 stops37h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

14:13-06:40

1 stop11h 27m

$831

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 13/3

07:00-15:55

2 stops12h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

19:35-13:00

2 stops13h 25m

$834

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 22/5

17:45-00:40

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

22:20-13:45

1 stop10h 25m

$840

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 24/5

17:40-20:15

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

22:10-10:00

Nonstop6h 50m

$843

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 10/3

06:20-13:15

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

20:05-10:30

1 stop10h 25m

$847

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 14/1

19:30-15:10

2 stops24h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

20:15-16:20

2 stops15h 05m

$849

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 12/2

11:05-15:16

2 stops57h 11m

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

14:13-10:25

2 stops15h 12m

$850

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 14/4

07:30-17:05

2 stops14h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

15:41-07:15

1 stop10h 34m

$852

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 13/5

07:30-17:22

2 stops14h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

15:30-10:40

2 stops14h 10m

$858

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 12/5

06:50-17:22

2 stops15h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

15:40-10:40

2 stops14h 00m

$859

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Montreal

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

Prices

Airlines

Delays

Other information

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

What is the cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from London Heathrow Airport is in June. Flight prices, which tend to average around $822, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of June, then departing from London Heathrow Airport during the month May is also very affordable. Most momondo users find prices during this month for around $829.

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

The cheapest day to depart from London Heathrow Airport to Montreal is on a Sunday. Travellers who choose to depart for Montreal on a Sunday will often find tickets for as low as $649. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Montreal for around $1,012.

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

Our data shows that the cheapest London Heathrow Airport to Montreal flights are usually those with departure times in the afternoon. Our users have found flights to Montreal in the afternoon for as low as $757. Try not to purchase tickets at midday because they tend to be around $1,222. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Montreal flight route?

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

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

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 $967 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 $888 on momondo.

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

There is only 1 cabin class 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.

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

As of December 2025, prices for London Heathrow Airport to Montreal flights are approximately 58% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Montreal

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Montreal according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Heathrow Airport to Montreal (LHR to YMQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Montreal

Fastest flight time	7h 40m
Direct flights	Every day
Airports in Montreal	2 airports

The fastest flight from London Heathrow Airport to Montreal takes 7h 40m

Direct flights go from London Heathrow Airport to Montreal every day.

There are 2 airports in Montreal. From London Heathrow Airport there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).

Search flight deals

How far is London Heathrow to Montreal by plane?
A flight from London Heathrow to Montreal will travel around 5197.8 km. 7h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from London Heathrow Airport to Montreal?
Prices for flights from London Heathrow Airport to Montreal refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Montreal?
There is 1 operator available for flights from London Heathrow Airport to Montreal as of December 2025.
How old do you have to be to fly from London Heathrow Airport to Montreal?
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 London Heathrow Airport to Montreal.
What documentation or ID do you need to fly to Montreal?
The travel and health documents you'll need for your trip to Montreal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Montreal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Montreal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Montreal is Boeing 787-8 Dreamliner (32.18% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (15.44%), Boeing 777-300ER (11.55%), and Boeing 777 (8.60%).

Best airlines flying from London Heathrow Airport to Montreal

Compare and see reviews for airlines that fly from London Heathrow Airport to Montreal with momondo

Airline	Rating	Free cancellation	Price
British Airways	PriceFrom $590	Free cancellation	Rating 6.7 7,625 reviews		Search British Airways flights

British Airways Flights From London Heathrow Airport to Montreal
British Airways flight deals from London Heathrow Airport to Montreal start from $590 round-trip. Over the 8 British Airways flights for this route in a normal week, average airfare is usually $708 round-trip - but some users have found much cheaper deals with momondo.

Why use momondo?

Why should I use momondo to find a flight deal from London to Montreal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montreal from London.

Can I find flights from London to Montreal with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Montreal from London with this policy.

How can momondo help me find flights from London to Montreal?

momondo provides multiple filters to help you find the best flight to Montreal from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Montreal right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Montreal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montreal and let you know when they change.

An easier way to manage your Montreal trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 29/1

Thu 5/2

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Montreal Pierre Elliott Trudeau Intl Airport

Popular Cities in Canada

Look for other cheap flights to Vancouverfrom $1,120

Look for other cheap flights to Torontofrom $1,320

Look for other cheap flights to Calgaryfrom $1,368

Look for other cheap flights to Halifaxfrom $2,048

Look for other cheap flights to Ottawafrom $1,817

Look for other cheap flights to Kelownafrom $1,577

Look for other cheap flights to Winnipegfrom $1,538

Look for other cheap flights to St. John'sfrom $4,041

Look for other cheap flights to Reginafrom $1,951

Look for other cheap flights to Québec Cityfrom $2,045

Look for other cheap flights to Saskatoonfrom $1,681

Look for other cheap flights to Charlottetownfrom $2,208

Cheap flights from London Heathrow Airport to Montreal from $597

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Montreal

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

SWISS flights from London Heathrow Airport to Montreal

Our best SWISS deals on London Heathrow Airport to Montreal flight tickets

Delta flights from London Heathrow Airport to Montreal

Our best Delta deals on London Heathrow Airport to Montreal flight tickets

momondo Fare Finder

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

See travel insights to Montreal from

How to get the cheapest flight ticket from London Heathrow Airport to Montreal

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

What is the cheapest month to fly to Montreal?

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

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

What is the cheapest London Heathrow to Montreal flight route?

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

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

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

There is only 1 cabin class 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.

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

As of December 2025, prices for London Heathrow Airport to Montreal flights are approximately 58% more expensive when compared to flights at the same time last year.

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

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

How often are flights from London to Montreal delayed?

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.

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

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.

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

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.

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

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.

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

As of December 2025, 78 flights take off from London Heathrow Airport and land in Montreal each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

When to book flights from London Heathrow Airport to Montreal

Cheap London Heathrow Airport to Montreal (LHR to YMQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Montreal

Fastest flight time

Direct flights

Airports in Montreal

How far is London Heathrow to Montreal by plane?

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

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

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

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

What is the most popular plane model from London Heathrow Airport to Montreal?

Best airlines flying from London Heathrow Airport to Montreal

Compare and see reviews for airlines that fly from London Heathrow Airport to Montreal with momondo

British Airways Flights From London Heathrow Airport to Montreal

Why use momondo?

Why should I use momondo to find a flight deal from London to Montreal?

Can I find flights from London to Montreal with flexible booking policies on momondo?

How can momondo help me find flights from London to Montreal?

I’m not ready to book a flight from London to Montreal right now. Can momondo alert me if prices change?

An easier way to manage your Montreal trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 15.1 km from Montreal