Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from London to Montreal
The best flight deals right now
London – Montreal
Outbound – 19 Sept 2026
direct
7h 40m Return – 27 Sept 2026
direct
6h 45m £348
yesterday
London – Montreal
Outbound – 17 Oct 2026
direct
7h 30m Return – 26 Oct 2026
1 stop
10h 25m ZRH
£433
2 days ago
London – Montreal
Outbound – 16 Oct 2026
direct
7h 30m Return – 25 Oct 2026
1 stop
9h 5m YHZ
£429
2 days ago
London – Montreal
Outbound – 21 Nov 2026
direct
7h 35m Return – 29 Nov 2026
direct
7h 0m £428
yesterday
* Prices are in GBP per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that ticket availability and prices are subject to change and should not be considered as the final price quoted.
Cheapest flight
£379
Average price of a round trip
£406
Average price recorded over the last 3 months for a round trip.
Flight duration
7h38
A flight from London to Montreal takes on average 7h38.
Best time
February
According to user searches, the ideal month to go to Montreal is February.
What is the cheapest month for this flight?
* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.
The best flight deals for a week
London – Montreal
Outbound – 21 Nov 2026
direct
7h 35m Return – 29 Nov 2026
direct
7h 0m £450
yesterday
London – Montreal
Outbound – 21 Nov 2026
direct
7h 30m Return – 29 Nov 2026
direct
6h 50m £447
yesterday
London – Montreal
Outbound – 19 Sept 2026
direct
7h 40m Return – 27 Sept 2026
direct
6h 45m £348
yesterday
London – Montreal
Outbound – 21 Nov 2026
direct
7h 35m Return – 29 Nov 2026
direct
7h 0m £434
yesterday
* Prices are in GBP per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that ticket availability and prices are subject to change and should not be considered as the final price quoted.
Tips for finding cheap flights from London to Montreal
Check out our tips for booking your flight to Montreal (Canada) from London (United Kingdom) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is September, with an average ticket price of £340 (calculation over the last two years). The most touristic season corresponds to the months of June, September and November.
For an attractive price, it is advisable to buy your flight tickets at least 28 days before the departure date.
The airline offering the cheapest tickets is Air Canada. A ticket from the company Air Canada to Montreal costs on average £380.
The airlines that offer the most flights are .
Price of flight tickets from London to Montreal
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from £379 to £458
- The average price of a flight ticket is about £406
- Prices are lowest for stays in the month of September
- The month in which booking a ticket is cheaper is: May
info departure city :
London, United Kingdom
airports :
London City Airport (LCY)
London Gatwick Airport (LGW)
London Heathrow Airport (LHR)
London Luton Airport (LTN)
London-Stansted Airport (STN)
local time :
London is a city in the country United Kingdom, the time zone is [[timezone]]. In London, it is currently {fromLocalTime}, the temperature is on average 20°C, with a minimum of 14°C and a maximum of 27°C.
The city of London (LON) has 5 airport(s): London City, London Gatwick, London Heathrow, London Luton and London-Stansted
destination info :
Montreal, Canada
airports :
Mirabel International Airport (YMX)
Montreal-Trudeau International Airport (YUL)
Saint-Hubert Airport (YHU)
local time :
Montreal is in the country Canada, the time zone is [[timezone]]. In Montreal, it is currently {toLocalTime}, the temperature is on average 27°C, with a minimum of 22°C and a maximum of 33°C.
The city of Montreal (YMQ) has 3 airport(s): Mirabel, Montreal-Trudeau and Saint-Hubert
Useful info about Montreal
What is the least touristic period to go to Montreal?
If you want to visit Montreal during the least touristic period, choose the month of February.
What is the most popular time to travel to Montreal?
In Montreal, the most touristic month is June. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight London - Montreal?
According to our data, it is recommended to book your flight 28 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. The cheapest day to book a flight London - Montreal is Thursday.
What are the arrival and destination airports when travelling between London and Montreal?
When you leave, you can leave from London City, London Gatwick or London Heathrow, and you will arrive at Montreal-Trudeau.
How to reach London airport from the city centre?
The airport London City is located 16 km, London Gatwick is located 38 km, London Heathrow is located 35 km, London Luton is located 45 km or London-Stansted is located 49 km from the city centre. You can access it by using public transport, taking a taxi, or renting a car..
Are there other means of transport to go from London to Montreal?
Flights are the only means of transport listed on Liligo for this journey.
Are there big differences in weather between London and Montreal?
In summer, the average temperature is 20°C in Montreal and 18°C in London. The average rainfall in summer is 131 mm in Montreal and 64 mm in London.In summer, it is warmer in Montreal and it rains less in London. In winter, it is colder in London and it rains more in Montreal.