Cheap flights from Montreal to London

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Find the cheapest month to fly from Montreal to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal to London flights are currently cheapest in September.

Montreal to London: Alternative routes

Compare routes from Montreal to London below. You may find an airport to fly into that's cheaper, faster, or easier than London.

Montreal to London: Flight information

The things to know before you go.
Cheapest flight foundC$655
Cheapest month to flySeptember
Average flights per week0

Finding cheap flights from Montreal to London: Frequently asked questions

The best price we found for a round-trip flight from Montreal to London is C$655. 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.
Currently, there are no airlines that fly direct from Montreal to London. But we found flights with one stop from C$655.
There are no flights flying from Montreal to London, as of April 2024.
The cheapest month to fly from Montreal to London is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to London Airport on Thursday, September 19, 2024.
No airlines currently offer direct flights between Montreal and London Airport. Most routes have one or more stops.
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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to London is Air Canada.

Airlines That fly From Montreal to London

Search for cheap flights from Montreal to London on Skyscanner! The route is served by four airlines: Air Canada, WestJet, Air Transat and Sunwing Airlines. From Montréal-Pierre Elliott Trudeau International Airport, you can fly directly to London International or you can transfer at either Toronto or Ottawa. Both Air Canada and WestJet fly from Montreal to London via Toronto Pearson International Airport. Air Canada also has flights from Montreal to London through Ottawa Macdonald–Cartier International Airport. Another option is taking an Air Transat-operated flight from Montreal to Toronto, then taking a connecting flight to London with WestJet.

Montréal-Pierre Elliott Trudeau International Airport Information

Once you're at Montréal-Pierre Elliott Trudeau International Airport, you'll notice that the terminal is divided into several areas: a public area for departures to and arrivals from the US, another public area for domestic flights, an international area, and a trans-border area. The luggage trolleys are available to passengers both at the parking lot and passenger drop-off areas. There are two levels in the airport: the ground floor for arrivals and the first floor for departures. All passengers flying to domestic destinations should get to the first floor and go to entrances 1-6.

The public area is filled with various retail outlets, including bars, restaurants, cafes, and duty free shops. The airport provides you with designated smoking areas in front of the terminal, as well as nursing rooms which are located adjacent to most restrooms in the terminal. Once you pass the security check, there are shops and cafes such as Starbucks, Tim Hortons, and Second Cup. Take a stroll around the area and check out boutique stores like iStore and Tristan. If you'd like to sit, relax, and wait for your flight, relax on many couches available in the airport with a complimentary high-speed Wi-Fi service.

Montreal Airport Check-In Information

It is recommended for passengers of international flights to arrive 3 hours before the departure time. Are you flying with young children or infants? All passengers at the Montréal-Pierre Elliott Trudeau International Airport with an infant or a young child are given priority for security screening at gates A and C!

What to Expect in London: Travel Tips

Weather tends to be milder in London than in Montreal. You might want to take advantage of this change and explore famous parks in London such as Victoria Park and Springbank Park for biking and walking. If you'd like to have a night out with your family or friends on a special night of hockey, or a concert, check out sports games and entertainment schedules at the Budweiser Gardens.


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