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Cheap flights from London to Montreal

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Flight deals from London to Montreal

Looking for a cheap last-minute deal or the best round-trip flight from London to Montreal? Find the lowest prices on one-way and round-trip tickets right here.
Montreal.C$531 per passenger.Departing Wed, Aug 27, returning Thu, Sep 4.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from London City on Wed, Aug 27, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with SWISS, departing from Montreal Pierre Elliott Trudeau on Thu, Sep 4, arriving in London Heathrow.Price includes taxes and charges.From C$531, select.
Montreal.C$555 per passenger.Departing Sat, Sep 20, returning Wed, Sep 24.Round-trip flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departing from London Heathrow on Sat, Sep 20, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Austrian Airlines, departing from Montreal Pierre Elliott Trudeau on Wed, Sep 24, arriving in London Heathrow.Price includes taxes and charges.From C$555, select.
Montreal.C$606 per passenger.Departing Fri, May 16, returning Tue, May 27.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from London Heathrow on Fri, May 16, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with SWISS, departing from Montreal Pierre Elliott Trudeau on Tue, May 27, arriving in London Heathrow.Price includes taxes and charges.From C$606, select.
Montreal.C$609 per passenger.Departing Sun, Jun 22, returning Tue, Jul 1.Round-trip flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departing from London Heathrow on Sun, Jun 22, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Austrian Airlines, departing from Montreal Pierre Elliott Trudeau on Tue, Jul 1, arriving in London Heathrow.Price includes taxes and charges.From C$609, select.
Montreal.C$612 per passenger.Departing Thu, Oct 9, returning Thu, Oct 23.Round-trip flight with Air Transat.Outbound direct flight with Air Transat departing from London Gatwick on Thu, Oct 9, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Transat departing from Montreal Pierre Elliott Trudeau on Thu, Oct 23, arriving in London Gatwick.Price includes taxes and charges.From C$612, select.
Montreal.C$613 per passenger.Departing Fri, Jun 20, returning Sat, Oct 18.Round-trip flight with Air Transat.Outbound direct flight with Air Transat departing from London Gatwick on Fri, Jun 20, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Transat departing from Montreal Pierre Elliott Trudeau on Sat, Oct 18, arriving in London Gatwick.Price includes taxes and charges.From C$613, select.
Montreal.C$613 per passenger.Departing Sat, Aug 30, returning Sat, Sep 6.Round-trip flight with Air Transat.Outbound direct flight with Air Transat departing from London Gatwick on Sat, Aug 30, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Transat departing from Montreal Pierre Elliott Trudeau on Sat, Sep 6, arriving in London Gatwick.Price includes taxes and charges.From C$613, select.
Montreal.C$613 per passenger.Departing Mon, Sep 1, returning Sun, Sep 7.Round-trip flight with Air Transat.Outbound direct flight with Air Transat departing from London Gatwick on Mon, Sep 1, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Transat departing from Montreal Pierre Elliott Trudeau on Sun, Sep 7, arriving in London Gatwick.Price includes taxes and charges.From C$613, select.

Find the cheapest month to fly from London to Montreal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Montreal flights are currently cheapest in September.
May
from C$606
Jun
from C$617
Jul
from C$658
Aug
from C$641
Sep
from C$555
Oct
from C$612
Nov
from C$680
Dec
from C$811
Jan
from C$662
Feb
from C$680
Mar
from C$682
Apr
from C$706

Direct flights from London to Montreal

Alternative London to Montreal routes

Looking for the cheapest, fastest or easiest route from London to Montreal? You could fly into the following airports instead.

London to Montreal: Flight information

The things to know before you go.
Cheapest flight foundC$531
Cheapest month to flyAugust
Average flight time7 hrs, 32 mins
Most popular airlineLufthansa
Average flights per week492

Finding cheap flights from London to Montreal: Frequently asked questions

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a round-trip flight from London to Montreal is C$531. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 31 minutes is the average flight time from London to Montreal.
Lufthansa, Austrian Airlines and United fly direct from London to Montreal.
There are 492 flights per week flying from London to Montreal, as of May 2025.
The cheapest month to fly from London to Montreal is usually May 2025.
If you're flying from London, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the center of Montreal. We've found flights to this airport from C$531.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Montreal on Wednesday, August 27, 2025.
Yes – the average flight time is 7 hours and 31 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Montreal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
The cheapest airline that flies to Montreal is SWISS, and the cheapest airline that flies to Montreal Pierre Elliott Trudeau Airport is Air Transat.

Top tips for finding a cheap flight from London to Montreal

Finding cheap tickets from London to Montreal is easy with a little flexibility. Use our Whole Month search feature to scan through the calendar for the cheapest dates. You can also set up a Price Alert for your route and let us monitor the fares for you, sending notifications when prices change. If you’d rather skip layovers, select the Direct Flights search to view non-stop options that’ll save you time.

Booking your tickets early often leads to savings, but we can also find you some last-minute deals. In general, February is the best time to schedule your trip from London to Montreal, with the lowest average fares across the board. Keep these strategies in mind to find the best itinerary.

Handy information about London airport

London is well-equipped with six airports, each catering to a variety of travel needs. London City Airport, with its single terminal, is nestled within the city, offering a convenient gateway, predominantly for business travellers to domestic and European destinations. The Docklands Light Railway provides swift access to this airport, along with other ground transport options.

Heathrow, London's major international airport, comprises four active terminals, connecting passengers to a comprehensive list of destinations worldwide. For efficient transfers, the Heathrow Express train service and several other transport modes link the airport to the capital and surrounding areas. Similarly, Gatwick, with two terminals, provides extensive connectivity and is logistically well-supported by the Gatwick Express and other rail and road services.

Stansted, favouring low-cost airlines, directs mostly to European locations, while also serving few intercontinental routes. The Stansted Express ensures a direct connection to London. Lastly, Luton and Southend, each featuring a single terminal, are strongholds for low-cost European flights, with robust rail links and other ground transport services ensuring seamless travel to and from the capital.

Montreal airport: good to know

Montréal is served by three airports, each catering to a variety of travel needs. Montréal Saint-Hubert Longueuil Airport (YHU) operates with a single terminal and is primarily a domestic hub, connecting travellers within Canada. Reaching the city centre is convenient with available buses, taxis, and car rental services. Montréal-Mirabel International Airport (YMX), also with one terminal, focuses mainly on international flights, alongside domestic operations. It is accessible by road with taxi and car rental services; however, it lacks direct public transport links. Lastly, Montréal-Pierre Elliott Trudeau International Airport (YUL) is the largest of the three, with two terminals facilitating both domestic and international travel. Direct transport links to downtown Montréal are provided by the STM 747 express bus, and future enhancements include a new commuter train service. With an array of airlines and flight options, YUL stands as Montréal's primary airport, complete with taxis, rideshare options, and car rentals to ease your arrival and departure. Plan the ins and outs of your flight from London to Montreal for a stress-free trip.

Best time to fly from London to Montreal

The best time to fly from London to Montreal is during the warm summer months of June to August, when temperatures pleasantly range between 20°C and 26°C, perfect for enjoying the city's vibrant outdoor attractions and cultural festivals. Alternatively, for those keen on winter sports and experiencing a true winter wonderland, December to February is ideal, with snowy scenes and activities in abundance. Spring (March to May) and autumn (September to November) offer mild weather, perfect for park visits and appreciating Montreal's natural beauty, with temperatures averaging between 5°C and 18°C.

Reasons to visit Montreal

When planning your trip to Montreal, check out these activities and attractions Montreal has to offer. Enjoy the rhythms and melodies at The Montreal International Jazz Festival, a world-renowned event that animates the city with music each year. Step back in time with a stroll through Old Montreal, where history meets the present in the city's oldest area. Unwind amidst the tranquil beauty of the Montreal Botanical Garden, a haven of plant diversity and lush landscapes. Lastly, venture to Mount Royal Park for panoramic city views, and immerse yourself in the green oasis above Montreal. Each experience promises a unique blend of culture, history, and nature.

Add hotel bookings and car hire to your London to Montreal flight

Planning your trip to Montreal is easy and convenient with Skyscanner. Choose from trusted car hire providers like Thrifty, Alamo, and Hertz to explore the city at your own pace. For your stay, select from renowned hotels such as Hotel Place d'Armes, Hotel Bonaventure Montreal, or Le Centre Sheraton Montreal Hotel, each offering distinct comfort and hospitality. With Skyscanner, you can book both your travel and accommodation in one place, saving you time and effort as you prepare for your journey.


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Plan the rest of your trip from London to Montreal

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.