Cheap Flights from Montreal to London

Compare Montreal to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Montreal to London

Looking for a cheap last-minute deal or the best return flight from Montreal to London? If you want to travel next month, return fares start from R 8,432. Find the lowest prices on one-way and return tickets right here.

London.R 4,257 per passenger.Departing Tue, 15 Sep.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Tue, 15 Sep, arriving in London Stansted.Price includes taxes and charges.From R 4,257, select.

London.R 4,500 per passenger.Departing Fri, 21 Aug.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Fri, 21 Aug, arriving in London Stansted.Price includes taxes and charges.From R 4,500, select.

London.R 4,620 per passenger.Departing Mon, 5 Oct.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 5 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 4,620, select.

London.R 4,689 per passenger.Departing Tue, 21 Jul.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Tue, 21 Jul, arriving in London Stansted.Price includes taxes and charges.From R 4,689, select.

London.R 4,866 per passenger.Departing Sat, 26 Sep.One-way flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Sat, 26 Sep, arriving in London Gatwick.Price includes taxes and charges.From R 4,866, select.

London.R 4,902 per passenger.Departing Sun, 12 Jul.One-way flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Sun, 12 Jul, arriving in London Gatwick.Price includes taxes and charges.From R 4,902, select.

London.R 5,110 per passenger.Departing Fri, 22 Jan.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Fri, 22 Jan, arriving in London Gatwick.Price includes taxes and charges.From R 5,110, select.

London.R 5,112 per passenger.Departing Wed, 2 Dec.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Wed, 2 Dec, arriving in London Gatwick.Price includes taxes and charges.From R 5,112, select.

London.R 5,112 per passenger.Departing Mon, 30 Nov.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Mon, 30 Nov, arriving in London Gatwick.Price includes taxes and charges.From R 5,112, select.

London.R 5,114 per passenger.Departing Mon, 12 Apr.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Mon, 12 Apr, arriving in London Gatwick.Price includes taxes and charges.From R 5,114, select.

London.R 5,115 per passenger.Departing Wed, 24 Feb.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Wed, 24 Feb, arriving in London Gatwick.Price includes taxes and charges.From R 5,115, select.

London.R 5,121 per passenger.Departing Wed, 5 May.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Wed, 5 May, arriving in London Heathrow.Price includes taxes and charges.From R 5,121, select.

London.R 5,124 per passenger.Departing Fri, 5 Mar.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Fri, 5 Mar, arriving in London Gatwick.Price includes taxes and charges.From R 5,124, select.

London.R 5,284 per passenger.Departing Tue, 20 Oct.One-way flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Tue, 20 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 5,284, select.

London.R 5,475 per passenger.Departing Wed, 2 Jun.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Wed, 2 Jun, arriving in London Heathrow.Price includes taxes and charges.From R 5,475, select.

London.R 6,821 per passenger.Departing Tue, 30 Jun.One-way flight with Air Transat.Outbound indirect flight with Air Transat, departs from Montreal Pierre Elliott Trudeau on Tue, 30 Jun, arriving in London Stansted.Price includes taxes and charges.From R 6,821, select.

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.

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Direct flights from Montreal to London

Alternative Montreal to London routes

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

Montreal to London: Flight information

The things to know before you go.

Cheapest flight found	R 4,257
Cheapest month to fly	September
Average flight time	6 hrs, 48 mins
Most popular airline	Lufthansa
Average flights per week	191

Finding cheap flights from Montreal to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Montreal to London?

The best price we found for a return flight from Montreal to London is R 7,971. 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.

How long does it take to fly from Montreal to London?

6 hours and 47 minutes is the average flight time from Montreal to London.

Which airlines fly direct from Montreal to London?

Lufthansa, Air Canada and MEA fly direct from Montreal to London.

How many flights are there a week from Montreal to London?

As of June 2026, there are 191 flights per week flying from Montreal to London.

When is the cheapest time to fly from Montreal to London?

The cheapest month to fly from Montreal to London is usually September.

Which is the cheapest airport to fly into in London?

If you're flying from Montreal, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from R 7,971.

Which upcoming date is cheapest to fly from Montreal to London on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to London on Monday, 14 September 2026.

Can I get a direct flight from Montreal to London?

Yes – the average flight time is 6 hours and 47 minutes.

How can I get the best flight deal from Montreal to London?

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.

When is the best time to book flights to London?

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.

What’s the weather like in London?

In June, the average temperature is usually around 15°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Montreal to London with?

The cheapest airline that flies to London is Air Transat .

Flying from Montreal to London: what you need to know

Montreal Pierre Elliott Trudeau Airport (YUL) is Montreal's main airport. Check out your options for reserving a flight from Montreal to London departing from here.
London has a number of airports you can jet into. Come in for landing at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or London Stansted Airport (STN). Alternatively, arrive at London Luton Airport (LTN) or London City Airport (LCY).
Around 6 hours 50 minutes is how long you can expect to be travelling on a direct Montreal to London flight.
London is five hours ahead of Montreal and observes the UTC+0 timezone.
The busiest route for flights from Montreal to London is from Montreal Pierre Elliott Trudeau Airport (YUL) to London Heathrow Airport (LHR). You can choose from 17 services every week between these two airports. If you want to head off as soon as possible, the earliest flight from YUL to LHR is the 18:40 Air Canada option. If you prefer travelling later, the last available departure is at 22:25 with Air Canada.
To ensure you make it on your Montreal to London flight, leave plenty of time to navigate the airport and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is a good rule of thumb.
Flying during a popular month such as July? School holidays and other popular seasons can lead to longer lines at check-in and security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from Montreal to London

The lowest price we've found for a one-way ticket from Montreal to London is R 4,257. For a return flight on this route, the best price is R 7,971. Depending on when you want to go and the availability, these fares can change.
To score cheap Montreal to London flights, book your journey one month before your departure date.
The best month for landing cheap plane tickets from Montreal to London is June. Use the 'Whole month' tool to compare flight prices, then select the dates with the lowest fares.
Getting a cheap flight from Montreal to London is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as the price has dropped.
Tailor your travel plans using filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' Montreal to London flights.

Flying from Montreal

Montreal Pierre Elliott Trudeau Airport (YUL)

You can find a direct flight from Montreal to London taking off from Montreal Pierre Elliott Trudeau Airport (YUL). Begin your trip at YUL and then land at London Heathrow Airport (LHR) or London Gatwick Airport (LGW).
Top airlines that offer direct Montreal to London plane tickets from YUL include:
Located around 16 kilometres from central Montreal, YUL can be reached in about 25 minutes by car, depending on traffic. The journey on public transport will take roughly 45 minutes.
In search of a handy hotel near Montreal Pierre Elliott Trudeau Airport? If you're boarding an early flight from Montreal to London, these stays will have you sleeping moments from your departure lounge:
When it comes to the on-time performance of Montreal Pierre Elliott Trudeau Airport, 67% of flights stick to their scheduled arrival time.
YUL is located at 975 Romeo Vachon Street North.

Arriving in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to central London takes around 45 minutes by car. The centre is roughly 26 kilometres away.
It usually takes 25 minutes to get there on public transport.
The last thing you need is a long journey to your hotel if you're getting in late on a flight from Montreal to London. Check in to one of these accommodation options near LHR instead:
Pick up a London Heathrow Airport rental car and discover London and beyond with your own wheels. Surprice, U-Save and Green Motion are well-known companies to choose from here.
Lock in the lowest price by reserving your vehicle from London Heathrow Airport about one week before your departure date.

London Gatwick Airport (LGW)

Central London is about 40 kilometres from London Gatwick Airport (LGW). After your flight from Montreal to London has touched down and you've made your way out of the airport, expect a drive of about 1 hour 5 minutes.
If you hop on public transport, the ride to the centre takes 45 minutes or so.
Hang up the 'Do not disturb' sign and unwind at a hotel near LGW. Here are a few options where you can take a load off after your flight from Montreal to London:
Green Motion, U-Save and Drivalia make picking up a London Gatwick Airport rental car simple. These companies are located in or around the terminal and will have you on the road before long.
Get the lowest price by booking your ride from LGW three weeks in advance. You'll also have access to a wider selection of vehicles.

London Stansted Airport (STN)

London Stansted Airport (STN) is about 48 kilometres from the centre of London. It takes about 1 hour 5 minutes to reach the city centre in a car once you've stepped off your flight from Montreal to London.
Public transport can take you there in roughly 45 minutes.
Enjoy an unhurried start to your trip by checking in to a hotel near STN after your Montreal to London flight. Recharge after a day of travel or simply take a moment to get your bearings in a new city at:
Whether you're looking for a budget-friendly compact for solo travel or a full-size SUV to move the whole family, you'll find the perfect London Stansted Airport rental car for you. Check out the types of wheels available from suppliers such as Green Motion, Drivalia and Europcar.
About four weeks ahead of your flight from Montreal to London is the ideal time to book your ride from STN. You're likely to snag a better deal or catch some early booking discounts.

Best time to go to London

It's time to choose your travel dates for your flight from Montreal to London. July is the busiest month to travel to London. If you like a more relaxed atmosphere, go in March.
The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Lock in your Montreal to London ticket then if that's your definition of good weather.
January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap flights from Montreal to London around that time if you want to travel when it's cooler.

More about London

Start your London trip right by choosing the ideal place to stay. After booking your flight from Montreal to London, check out our selection of hotels including:
The British Museum and Westminster Abbey are just two of the big attractions to add to your London itinerary. Keep the sightseeing going at Big Ben.

Explore more of the United Kingdom

Manchester is just one of the many places in the United Kingdom waiting to be discovered once you've seen the sights of London. Around 257 kilometres to the northwest, check out popular attractions including Manchester United Museum & Stadium Tour, The Homes of Football and Science and Industry Museum.
If you want to check out another great destination in the United Kingdom, consider Birmingham, about 161 kilometres northwest of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome and Bournville Experience are among the biggest draws.