Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Montreal from C$ 427

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 to Montreal departing on 22/9. 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 to Montreal

Cheap round-trip flights

Air Transat Logo
11:40 a.m. - 12:35 a.m.LGW-YUL
17h 55m1 stop
Air Transat Logo
5:25 p.m. - 9:45 a.m.YUL-LGW
11h 20m1 stop
C$ 671Air Transat
Find Deal
Tue, 18 Nov - Wed, 26 Nov
Air Canada Logo
6:50 a.m. - 11:35 a.m.LHR-YUL
9h 45m1 stop
Air Canada Logo
6:45 a.m. - 8:35 a.m.YUL-LHR
20h 50m2 stops
C$ 671Air Canada
Find Deal
Sun, 28 Sep - Wed, 22 Oct
Air Transat Logo
11:40 a.m. - 9:40 a.m.LGW-YUL
27h 00m1 stop
Air Transat Logo
5:25 p.m. - 9:45 a.m.YUL-LGW
11h 20m1 stop
C$ 673Air Transat
Find Deal
Wed, 5 Nov - Mon, 17 Nov
Air Canada Logo
6:50 a.m. - 12:45 p.m.LHR-YUL
9h 55m1 stop
Air Canada Logo
4:45 p.m. - 8:05 a.m.YUL-LHR
10h 20m1 stop
C$ 674Air Canada
Find Deal
Thu, 30 Oct - Wed, 5 Nov
Lufthansa Logo
11:10 a.m. - 6:20 p.m.LHR-YUL
12h 10m1 stop
Lufthansa Logo
3:10 p.m. - 6:30 a.m.YUL-LHR
10h 20m1 stop
C$ 676Lufthansa
Find Deal
Thu, 19 Feb - Sun, 1 Mar
Lufthansa Logo
6:35 a.m. - 6:23 p.m.LHR-YUL
16h 48m2 stops
Lufthansa Logo
3:10 p.m. - 6:30 a.m.YUL-LHR
10h 20m1 stop
C$ 684Lufthansa
Find Deal
Thu, 13 Nov - Sun, 16 Nov
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$ 689British Airways
Find Deal
Wed, 5 Nov - Mon, 17 Nov
British Airways Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
British Airways Logo
10:10 p.m. - 9:50 a.m.YUL-LHR
6h 40mdirect
C$ 696British Airways
Find Deal
Tue, 7 Oct - Tue, 21 Oct
SWISS Logo
6:40 p.m. - 3:10 p.m.LGW-YUL
25h 30m1 stop
SWISS Logo
4:45 p.m. - 5:50 p.m.YUL-LGW
20h 05m1 stop
C$ 702SWISS
Find Deal
Fri, 14 Nov - Sun, 16 Nov
SWISS Logo
6:40 p.m. - 4:35 p.m.LGW-YUL
25h 55m2 stops
SWISS Logo
4:45 p.m. - 5:50 p.m.YUL-LGW
20h 05m1 stop
C$ 729SWISS
Find Deal
Thu, 30 Oct - Thu, 6 Nov

KLM flights from London to Montreal Pierre Elliott Trudeau Intl Airport

Our best KLM deals on London to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
KLM
5 Nov
LCY10:00 a.m.London City
12h 20m
1 stop
YUL5:20 p.m.Montreal Pierre Elliott Trudeau Intl
17 Nov
YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl
9h 20m
1 stop
LCY9:30 a.m.London City
C$ 724
Find similar
KLM
5 Nov
LCY9:20 a.m.London City
13h 00m
1 stop
YUL5:20 p.m.Montreal Pierre Elliott Trudeau Intl
17 Nov
YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl
9h 20m
1 stop
LCY9:30 a.m.London City
C$ 725
Find similar
KLM
24 Sep
LCY9:20 a.m.London City
12h 35m
1 stop
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
24 Nov
YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl
9h 20m
1 stop
LCY9:30 a.m.London City
C$ 746
Find similar

Delta flights from London to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on London to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
26 Sep
LHR6:15 a.m.London Heathrow
13h 45m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
2 Oct
YUL5:00 p.m.Montreal Pierre Elliott Trudeau Intl
10h 00m
1 stop
LHR8:00 a.m.London Heathrow
C$ 746
Find similar
Delta
18 Nov
LCY10:00 a.m.London City
18h 26m
2 stops
YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl
26 Nov
YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl
9h 20m
1 stop
LCY9:30 a.m.London City
C$ 765
Find similar
Delta
5 Nov
LCY9:20 a.m.London City
13h 00m
1 stop
YUL5:20 p.m.Montreal Pierre Elliott Trudeau Intl
17 Nov
YUL12:50 p.m.Montreal Pierre Elliott Trudeau Intl
13h 25m
2 stops
LCY7:15 a.m.London City
C$ 767
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 16 September 2025.
Use the filters below to find and compare flights from London to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 18/11

11:40 a.m.-12:35 a.m.

1 stop17h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

5:25 p.m.-9:45 a.m.

1 stop11h 20m

C$ 671

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 28/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

6:45 a.m.-8:35 a.m.

2 stops20h 50m

C$ 671

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 5/11

11:40 a.m.-9:40 a.m.

1 stop27h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

5:25 p.m.-9:45 a.m.

1 stop11h 20m

C$ 673

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 30/10

6:50 a.m.-12:45 p.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

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

1 stop10h 20m

C$ 674

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 19/2

11:10 a.m.-6:20 p.m.

1 stop12h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

3:10 p.m.-6:30 a.m.

1 stop10h 20m

C$ 676

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 13/11

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

2 stops16h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

3:10 p.m.-6:30 a.m.

1 stop10h 20m

C$ 684

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 5/11

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

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

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

Nonstop6h 50m

C$ 689

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 7/10

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 21/10

10:10 p.m.-9:50 a.m.

Nonstop6h 40m

C$ 696

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 14/11

6:40 p.m.-3:10 p.m.

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

4:45 p.m.-5:50 p.m.

1 stop20h 05m

C$ 702

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Thu 30/10

6:40 p.m.-4:35 p.m.

2 stops25h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

4:45 p.m.-5:50 p.m.

1 stop20h 05m

C$ 729

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 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 typical price of a round-trip flight between London and Montreal Pierre Elliott Trudeau Intl Airport?

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, with most prices found around C$ 750. The month of February is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from London averaging around C$ 775.

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$ 846. 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 because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 936.

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 to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as C$ 856. 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$ 948. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from London Gatwick to Montreal Pierre Elliott Trudeau Intl for the best London - 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 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$ 890 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 for as low as C$ 803 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between London to Montreal Pierre Elliott Trudeau Intl Airport.

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

As of September 2025, prices for London to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 45% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from London 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 to Montreal Pierre Elliott Trudeau Intl Airport (LON to YUL) flight deals and tips

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

Best price found

C$ 721

Fastest flight time

7h 10m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from London in the past 72 hours is C$ 721. The best round-trip flight deal from London to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is C$ 629.
The fastest flight from London to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 10m
Direct flights go from London to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

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

    Montreal Pierre Elliott Trudeau Intl is 5231.9 km away from London. 7h 10m is a normal flight duration for this route.

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

    Prices for flights from London to Montreal Pierre Elliott Trudeau Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Montreal Pierre Elliott Trudeau Intl Airport.

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

    The travel and health documents required for your trip to Montreal Pierre Elliott Trudeau Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montreal Pierre Elliott Trudeau Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

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

Compare and see reviews for airlines that fly from London to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom C$ 602Free CancellationRating
7.7
438 reviews
Search Air Transat flights
LufthansaPriceFrom C$ 650Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Air CanadaPriceFrom C$ 674Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
British AirwaysPriceFrom C$ 675Free CancellationRating
6.7
7,363 reviews
Search British Airways flights

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

    Across 6 Air Transat flights from London to Montreal Pierre Elliott Trudeau Intl Airport this week, the average price was C$ 741, with the best Air Transat deals starting from C$ 436 round-trip. 438 users have rated Air Transat on momondo, with an average score of 7.7/10.

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

    Air Canada is also a popular choice for this route. Air Canada flight deals for London to Montreal Pierre Elliott Trudeau Intl Airport start from as low as C$ 488 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around C$ 620. Air Canada operates 12 flights to Montreal Pierre Elliott Trudeau Intl Airport from London in an average week. Users have rated it 7.1/10 across 10,000 reviews.

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Montebello
Trois-Rivières
Sherbrooke
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?

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?

All flight searches from London to Montreal on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are simply researching potential flights to Montreal, momondo offers a useful price alert feature which will track prices for flights to Montreal from London and alert you when they change.

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
Thu 16/10
Thu 23/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Montreal