Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Montreal from C$ 439

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Montreal departing on 13/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Montreal

Cheap round-trip flights

British Airways Logo
4:10 p.m. - 6:45 p.m.LHR-YUL
7h 35mdirect
British Airways Logo
8:40 p.m. - 8:30 a.m.YUL-LHR
6h 50mdirect
C$ 673British Airways
Find Deal
Wed, 5 Nov - Sun, 9 Nov
Air Canada Logo
6:00 a.m. - 1:50 p.m.LHR-YUL
12h 50m1 stop
Air Canada Logo
10:30 p.m. - 8:35 p.m.YUL-LHR
17h 05m2 stops
C$ 674Air Canada
Find Deal
Wed, 24 Sep - Sun, 23 Nov
Lufthansa Logo
6:35 a.m. - 6:23 p.m.LHR-YUL
16h 48m2 stops
Lufthansa Logo
7:35 p.m. - 7:10 a.m.YUL-LHR
6h 35mdirect
C$ 675Lufthansa
Find Deal
Tue, 24 Feb - Thu, 5 Mar
Lufthansa Logo
7:40 a.m. - 6:20 p.m.LHR-YUL
15h 40m1 stop
Lufthansa Logo
5:10 p.m. - 8:30 a.m.YUL-LHR
10h 20m1 stop
C$ 677Lufthansa
Find Deal
Thu, 5 Feb - Wed, 11 Feb
Air Canada Logo
11:05 a.m. - 11:35 a.m.LHR-YUL
29h 30m1 stop
Air Canada Logo
9:40 a.m. - 6:30 a.m.YUL-LHR
15h 50m1 stop
C$ 678Air Canada
Find Deal
Mon, 29 Sep - Mon, 6 Oct
Air Canada Logo
9:00 a.m. - 3:10 p.m.LHR-YUL
11h 10m1 stop
Air Canada Logo
6:40 p.m. - 8:35 p.m.YUL-LHR
20h 55m1 stop
C$ 680Air Canada
Find Deal
Thu, 26 Feb - Tue, 3 Mar
SWISS Logo
9:00 a.m. - 3:10 p.m.LHR-YUL
11h 10m1 stop
SWISS Logo
4:45 p.m. - 8:05 a.m.YUL-LHR
10h 20m1 stop
C$ 699SWISS
Find Deal
Fri, 21 Nov - Fri, 28 Nov
British Airways Logo
4:10 p.m. - 6:45 p.m.LHR-YUL
7h 35mdirect
British Airways Logo
8:30 p.m. - 8:20 a.m.YUL-LHR
6h 50mdirect
C$ 702British Airways
Find Deal
Sat, 29 Nov - Sat, 6 Dec
SWISS Logo
9:00 a.m. - 4:35 p.m.LHR-YUL
35h 35m2 stops
SWISS Logo
9:45 p.m. - 8:35 p.m.YUL-LHR
17h 50m1 stop
C$ 707SWISS
Find Deal
Thu, 30 Oct - Mon, 3 Nov
Virgin Atlantic Logo
11:30 a.m. - 11:29 p.m.LHR-YUL
16h 59m2 stops
Virgin Atlantic Logo
6:50 p.m. - 5:35 p.m.YUL-LHR
17h 45m1 stop
C$ 736Virgin Atlantic
Find Deal
Wed, 1 Oct - Wed, 8 Oct

British Airways flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

Our best British Airways deals on London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
British Airways
5 Nov
LHR4:10 p.m.London Heathrow
7h 35m
YUL6:45 p.m.Montreal Pierre Elliott Trudeau Intl
9 Nov
YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl
6h 50m
LHR8:30 a.m.London Heathrow
C$ 673
Find similar
British Airways
23 Sep
LHR6:05 p.m.London Heathrow
7h 10m
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
19 Nov
YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl
6h 50m
LHR8:30 a.m.London Heathrow
C$ 698
Find similar
British Airways
24 Sep
LHR6:05 p.m.London Heathrow
7h 10m
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
15 Oct
YUL10:10 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR9:50 a.m.London Heathrow
C$ 702
Find similar

Air Canada flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
22 Sep
LHR6:50 a.m.London Heathrow
9h 45m
1 stop
YUL11:35 a.m.Montreal Pierre Elliott Trudeau Intl
17 Nov
YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl
7h 00m
LHR7:10 a.m.London Heathrow
C$ 673
Find similar
Air Canada
24 Sep
LHR6:00 a.m.London Heathrow
12h 50m
1 stop
YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl
23 Nov
YUL10:30 p.m.Montreal Pierre Elliott Trudeau Intl
17h 05m
2 stops
LHR8:35 p.m.London Heathrow
C$ 674
Find similar
Air Canada
29 Sep
LHR11:05 a.m.London Heathrow
29h 30m
1 stop
YUL11:35 a.m.Montreal Pierre Elliott Trudeau Intl
6 Oct
YUL9:40 a.m.Montreal Pierre Elliott Trudeau Intl
15h 50m
1 stop
LHR6:30 a.m.London Heathrow
C$ 678
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 14 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 5/11

4:10 p.m.-6:45 p.m.

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

8:40 p.m.-8:30 a.m.

Nonstop6h 50m

C$ 673

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 24/9

6:00 a.m.-1:50 p.m.

1 stop12h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

10:30 p.m.-8:35 p.m.

2 stops17h 05m

C$ 674

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 24/2

6:35 a.m.-6:23 p.m.

2 stops16h 48m

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

7:35 p.m.-7:10 a.m.

Nonstop6h 35m

C$ 675

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 5/2

7:40 a.m.-6:20 p.m.

1 stop15h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

5:10 p.m.-8:30 a.m.

1 stop10h 20m

C$ 677

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 29/9

11:05 a.m.-11:35 a.m.

1 stop29h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

9:40 a.m.-6:30 a.m.

1 stop15h 50m

C$ 678

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 26/2

9:00 a.m.-3:10 p.m.

1 stop11h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

6:40 p.m.-8:35 p.m.

1 stop20h 55m

C$ 680

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 21/11

9:00 a.m.-3:10 p.m.

1 stop11h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

4:45 p.m.-8:05 a.m.

1 stop10h 20m

C$ 699

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 29/11

4:10 p.m.-6:45 p.m.

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

8:30 p.m.-8:20 a.m.

Nonstop6h 50m

C$ 702

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 30/10

9:00 a.m.-4:35 p.m.

2 stops35h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 3/11

9:45 p.m.-8:35 p.m.

1 stop17h 50m

C$ 707

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 1/10

11:30 a.m.-11:29 p.m.

2 stops16h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

6:50 p.m.-5:35 p.m.

1 stop17h 45m

C$ 736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Montreal from

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

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

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of May is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport, with most prices found around C$ 759. The month of September is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from London Heathrow Airport averaging around C$ 792.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Wednesday when prices can be found for as low as C$ 848. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 937.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 858. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around C$ 949. 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 Pierre Elliott Trudeau Intl flight route?

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

How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around C$ 892 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport for as low as C$ 804 on momondo.

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

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

You could potentially save up to 12% on your flight if you consider stops on a London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight.

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

As of September 2025, prices for London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 12% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (LHR to YUL) flight deals and tips

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

Best price found

C$ 857

Fastest flight time

7h 10m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport in the past 72 hours is C$ 857. The best round-trip flight deal from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is C$ 768.
The fastest flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 10m
Direct flights go from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

  • How far is London Heathrow to Montreal Pierre Elliott Trudeau Intl by plane?

    A flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl will travel around 5212.1 km. Flights usually cover this in 7h 10m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport were last updated today.

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

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

    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 Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The necessary travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport 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.

  • What is the most popular plane model from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

  • What is the most popular airline from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom C$ 652Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Air CanadaPriceFrom C$ 675Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
British AirwaysPriceFrom C$ 677Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

  • Air Canada Flights From London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

    Air Canada flies from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport around 10 times per week, with 10,000 momondo users rating the airline 7.1/10. The cheapest Air Canada deal from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in the last 72 hours was C$ 487 (round-trip), much lower than the average airfare cost of C$ 619 for Air Canada flights on this route.

  • Lufthansa Flights From London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

    Across 7,409 Lufthansa reviews on momondo, the average score is 6.8/10. Lufthansa flies from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport about 12 times each week, with ticket deals ranging from C$ 471 to C$ 608. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Trois-Rivières
Sherbrooke
Montebello
Brossard
Cornwall
Drummondville
Magog
Longueuil
North Hatley
Dorval
Bromont
Saint-Sauveur
Saint-Jean-sur-Richelieu
Boucherville
Sutton
Waterloo

Why use momondo?

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

It is quick and easy to find London to Montreal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montreal that suits you.

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

Flights from London to Montreal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Price alerts on flights to Montreal from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport trip

We make it super easy to schedule, organize 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
Tue 14/10
Tue 21/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Montreal