Cheap Flights from Montreal to London from $852

Q: 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.

Q: How much are return flights from Montreal to London?

The best price we found for a return flight from Montreal to London is $852. 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.

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

6 hours and 44 minutes is the average flight time from Montreal to London.

Q: Which airlines fly direct from Montreal to London?

United, MEA and Lufthansa fly direct from Montreal to London.

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

As of March 2025, there are 130 flights per week flying from Montreal to London.

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

The cheapest month to fly from Montreal to London is usually March 2025.

Q: 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 $852 .

Q: 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 Sunday, 18 May 2025 .

Q: Can I get a direct flight from Montreal to London?

Yes – the average flight time is 6 hours and 44 minutes.

Q: 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.

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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? Find the lowest prices on one-way and return tickets right here.

London.$852 per passenger.Departing Sun, 18 May, returning Sun, 1 Jun.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Montreal Pierre Elliott Trudeau on Sun, 18 May, arriving in London Gatwick.Inbound indirect flight with Air Transat, departs from London Gatwick on Sun, 1 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $852, select.

London.$856 per passenger.Departing Sun, 11 May, returning Wed, 21 May.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Montreal Pierre Elliott Trudeau on Sun, 11 May, arriving in London Gatwick.Inbound indirect flight with Air Transat, departs from London Gatwick on Wed, 21 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $856, select.

London.$861 per passenger.Departing Wed, 5 Nov, returning Wed, 19 Nov.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Montreal Pierre Elliott Trudeau on Wed, 5 Nov, arriving in London Heathrow.Inbound indirect flight with SWISS, departs from London City on Wed, 19 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $861, select.

London.$937 per passenger.Departing Mon, 26 May, returning Fri, 30 May.Return flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Mon, 26 May, arriving in London Gatwick.Inbound direct flight with Air Transat departs from London Gatwick on Fri, 30 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $937, select.

London.$945 per passenger.Departing Tue, 3 Jun, returning Fri, 6 Jun.Return flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Tue, 3 Jun, arriving in London Gatwick.Inbound direct flight with Air Transat departs from London Gatwick on Fri, 6 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $945, select.

London.$956 per passenger.Departing Thu, 8 May, returning Tue, 10 Jun.Return flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Thu, 8 May, arriving in London Gatwick.Inbound direct flight with Air Transat departs from London Gatwick on Tue, 10 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $956, select.

London.$990 per passenger.Departing Thu, 27 Mar, returning Fri, 28 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Thu, 27 Mar, arriving in London Heathrow.Inbound indirect flight with Air Canada, departs from London Heathrow on Fri, 28 Mar, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $990, select.

London.$1,028 per passenger.Departing Mon, 26 May, returning Tue, 1 Jul.Return flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Mon, 26 May, arriving in London Gatwick.Inbound direct flight with Air Transat departs from London Gatwick on Tue, 1 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From $1,028, 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 May.

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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	$852
Cheapest month to fly	May
Average flight time	6 hrs, 45 mins
Most popular airline	United
Average flights per week	130

Finding cheap flights from Montreal to London: Frequently asked questions

How many airports are there in London?

How much are return flights from Montreal to London?

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

Which airlines fly direct from Montreal to London?

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

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

Which is the cheapest airport to fly into in London?

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

Can I get a direct flight from Montreal to London?

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

When is the best time to book flights to London?

What’s the weather like in London?

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

Travelling from Montreal to London: what you need to know

Planning your trip begins with working out where you'll fly out of in Montreal. Montreal-Pierre Elliott Trudeau International Airport (YUL) is the city's main airport, so explore your options for booking a flight from Montreal to London taking off from here.
London has a variety of airports you can fly into. Land at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). Alternatively, arrive at London Luton Airport (LTN) or London City Airport (LCY).
6 hours 43 minutes is the average journey time for a direct flight from Montreal to London. Following the UTC+0 timezone, London is 4 hours ahead of Montreal.
Montreal-Pierre Elliott Trudeau International Airport (YUL) to London Heathrow Airport (LHR) is the most popular route that connects these two cities. There are 75 weekly flights to choose from. If you have things to do before leaving, the last flight from Montreal to London is with Air Canada at 22:20. Go for the first YUL to LHR departure operated by Air Canada at 18:40 if you're more of an early bird.
Leave enough time to make your flight from Montreal to London. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.
During popular months such as August, it's best to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during a peak period in general.
You can travel to United Kingdom for tourism purposes without a visa if you have a passport from Canada. But before reserving your cheap flight from Montreal to London, make sure you have the latest information. Visa rules can change, and you may require some documentation if your trip is for business or another reason.

Flying from Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

Start your journey at Montreal-Pierre Elliott Trudeau International Airport (YUL), which offers a range of direct flights from Montreal to London. From YUL, you can fly straight into London Heathrow Airport (LHR) or London Gatwick Airport (LGW).
You'll have your pick of carriers that offer direct flights from Montreal to London leaving from YUL. Get on board with any of these:
Travelling from central Montreal to YUL takes approximately 2 hours and 15 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 26 kilometres in 25 minutes or so, depending on traffic.
Need a convenient hotel close to Montreal-Pierre Elliott Trudeau International Airport? If you've booked an early flight from Montreal to London, these stays will have you moments from check-in:

Arriving in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to central London is roughly 31 kilometres. It takes around 57 minutes to get to the centre driving.
Travelling to the centre on public transport takes about 1 hour and 1 minute.
The last thing you need is a long journey to your hotel if you're landing late on a flight from Montreal to London. Stay at one of these accommodation options near LHR instead:

London Gatwick Airport (LGW)

After your flight from Montreal to London has hit the runway, you can get to the city centre in around 1 hour and 19 minutes by car. Central London is approximately 80 kilometres from London Gatwick Airport (LGW).
The journey will take roughly 1 hour and 26 minutes on public transport.
Place the 'Do not disturb' sign on your door and relax at a hotel near LGW. Here are a few options where you can kick back after your flight from Montreal to London:

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 $371. For a return flight on this route, the best price is $852. Depending on how early you book and the availability, these fares may change.
Book 10 months before you want to travel. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from Montreal to London.
Schedule your trip for June. That's the cheapest month for flight tickets from Montreal to London. If you're flexible with your dates, use the 'Whole month' tool to see the lowest price across every month.
Set up a Price Alert for cheap tickets from Montreal to London. You don't need to check back in every day to find out if prices have dropped. We'll tell you as soon as the price changes.
Use filters to tailor your flights from Montreal to London. Simply select your preferred departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to find the best deals.

Best time to go to London

February is the quietest month for flights from Montreal to London, while July is the most popular. Choose the best time to visit London based on whether you want a lively atmosphere or a more laid-back vibe.
When booking your flight from Montreal to London, consider the type of weather you like best. July is the warmest month in London, with temperatures ranging from 11ºC to 26ºC.
If you want to travel in cooler conditions, lock in a cheap ticket from Montreal to London in January when temperatures average between 0ºC and 9ºC.

More about London

Start your London trip right by choosing the ideal place to stay. After booking your flight from Montreal to London, browse our range of hotels including:
There are so many things to see and do in this city it can be tricky to know where to begin. Big Ben, The British Museum and Buckingham Palace are popular attractions which should be on any good London itinerary.

Complete your London trip with a car rental

Finding you a cheap flight from Montreal to London isn't our only cool trick. Check out our car rentals in London and see the sights your way. We find deals from trusted car rental companies and put them all in one place. Instantly compare offers and then book with no fees.