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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

Book the best London fare with no extra fees

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.R 4,689 per passenger.Departing Wed, 10 Sep.One-way flight with French Bee.Outbound indirect flight with French Bee, departs from Montreal Pierre Elliott Trudeau on Wed, 10 Sep, arriving in London Gatwick.Price includes taxes and charges.From R 4,689, select.
London.R 4,701 per passenger.Departing Wed, 8 Oct.One-way flight with French Bee.Outbound indirect flight with French Bee, departs from Montreal Pierre Elliott Trudeau on Wed, 8 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 4,701, select.
London.R 4,808 per passenger.Departing Mon, 24 Nov.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Mon, 24 Nov, arriving in London Gatwick.Price includes taxes and charges.From R 4,808, select.
London.R 4,849 per passenger.Departing Wed, 7 Jan.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Wed, 7 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 4,849, select.
London.R 4,879 per passenger.Departing Wed, 31 Dec.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Wed, 31 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 4,879, select.
London.R 5,224 per passenger.Departing Fri, 22 May.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Fri, 22 May, arriving in London Gatwick.Price includes taxes and charges.From R 5,224, select.
London.R 5,229 per passenger.Departing Mon, 13 Apr.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Montreal Pierre Elliott Trudeau on Mon, 13 Apr, arriving in London Gatwick.Price includes taxes and charges.From R 5,229, select.
London.R 5,238 per passenger.Departing Sat, 11 Oct.One-way flight with Air Transat.Outbound direct flight with Air Transat departs from Montreal Pierre Elliott Trudeau on Sat, 11 Oct, arriving in London Gatwick.Price includes taxes and charges.From R 5,238, 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.
Aug
from R 7,712
Sep
from R 4,689
Oct
from R 4,701
Nov
from R 4,808
Dec
from R 4,879
Jan
from R 4,849
Feb
from R 5,735
Mar
from R 5,245
Apr
from R 5,229
May
from R 5,224
Jun
from R 5,263
Jul
from R 5,912

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 foundR 4,689
Cheapest month to flySeptember
Average flight time6 hrs, 44 mins
Most popular airlineUnited
Average flights per week155

Finding cheap flights from Montreal to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Montreal to London is R 8,071. 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.
6 hours and 44 minutes is the average flight time from Montreal to London.
United, Air Canada and MEA fly direct from Montreal to London.
As of August 2025, there are 155 flights per week flying from Montreal to London.
The cheapest month to fly from Montreal to London is usually December.
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 8,071.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to London on Friday, 5 December 2025.
Yes – the average flight time is 6 hours and 44 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 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.
In August, the average temperature is usually around 17°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.
The cheapest airline that flies to London is TAP Air Portugal. And the cheapest airline that flies to London Heathrow Airport is Lufthansa.

Flying from Montreal to London: what you need to know

  • Montreal-Pierre Elliott Trudeau International Airport (YUL) is Montreal's main airport. Explore your options for reserving a flight from Montreal to London departing from here.

  • Touch down at London Heathrow Airport (LHR), London Gatwick Airport (LGW) or Stansted Airport (STN). You can also hop off the plane at London Luton Airport (LTN) and London City Airport (LCY) in London.

  • The average time for a direct Montreal to London flight is 6 hours 45 minutes.

  • The timezone in London is UTC+0, which is four hours ahead of Montreal.

  • With 17 weekly flights between the two airports, Montreal-Pierre Elliott Trudeau International Airport (YUL) to London Heathrow Airport (LHR) is the busiest route. Hop on the first flight from Montreal to London with Air Canada at 18:40. If you'd like to make the most of your day before flying, the latest departure from YUL to LHR is with Air Canada at 22:20.

  • Give yourself enough time to catch your Montreal to London flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, you'll want to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during peak periods in general.

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 4,689. For a return flight on this route, the best price is R 8,071. Depending on the availability when you book, these fares could change.

  • Book three months before you want to fly. Pricing trends suggest that this is the ideal window for finding cheap Montreal to London flights.

  • June is the best month for landing an amazing deal on a plane ticket from Montreal to London. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Stay on top of deals for cheap flights from Montreal to London by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your Montreal to London flight results by 'Best,' 'Cheapest' or 'Fastest.'

Flying from Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • Jet off from Montreal-Pierre Elliott Trudeau International Airport (YUL) and fly straight through to London Heathrow Airport (LHR) or London Gatwick Airport (LGW). If you're looking for a direct flight from Montreal to London out of YUL, that's where your journey can take you.

  • You can choose from a range of airlines offering direct Montreal to London plane tickets with departures from YUL, including:

  • Travelling from central Montreal to YUL takes around 45 minutes on public transport. If you ride-share, drive or get a cab, you'll cover the 16 kilometres in 25 minutes or so, depending on traffic conditions.

  • Catching an early flight from Montreal to London? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these stays near Montreal-Pierre Elliott Trudeau International Airport:

  • When it comes to the on-time performance of Montreal-Pierre Elliott Trudeau International Airport, 64.89% of flights complete their journey on time.

  • You'll find YUL at 975 Romeo Vachon Street North.

Arriving in London

London Heathrow Airport (LHR)

London Gatwick Airport (LGW)

  • London Gatwick Airport (LGW) is roughly 40 kilometres from central London. Following your flight from Montreal to London, it takes approximately 1 hour 20 minutes to get to the heart of the city in a ride-share or cab.

  • If you're travelling on public transport, it'll take about 30 minutes.

  • After your flight from Montreal to London, settle in at a hotel close to LGW. These are some great options that'll help you get into relaxation mode:

  • No need to worry about public transport schedules or waiting forever for a cab. Grab a London Gatwick Airport rental car and let your trip unfold on your terms. Compare offers from Green Motion, U-Save and Drivalia.

  • Lock in the best price by booking your ride from LGW three weeks in advance. You'll also have access to a wider range of vehicles.

Stansted Airport (STN)

  • Hop off your flight from Montreal to London and go directly to your hotel or jump right into exploring. Central London is around 48 kilometres from Stansted Airport (STN) and typically takes 1 hour to drive there.

  • If you're using public transport, the journey time is about 1 hour 25 minutes.

  • Enjoy a quiet, low-key start to your break by choosing a hotel near STN after your Montreal to London flight. Take a load off after a long travel day or simply take a moment to settle into a new destination at:

  • Whether you're looking for an economy for a solo adventure or a spacious SUV to fit the whole crew comfortably, you'll find the right Stansted Airport rental car for your needs. Check out the range of wheels available here from companies such as Green Motion, Drivalia and Europcar.

  • About four weeks before your flight from Montreal to London is the ideal time to book your ride from STN. You're more likely to land a better deal or catch some early booking discounts.

Best time to go to London

  • February is the quietest month for flights from Montreal to London, while July is the most popular. Work out the best time to visit London based on whether you like a laid-back vibe or a lively atmosphere.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your Montreal to London ticket then if that's your ideal forecast.

  • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap flights from Montreal to London around that time if you like cooler conditions.

More about London

Explore more of United Kingdom

  • London has its own special appeal, but there are so many other corners of United Kingdom waiting to be discovered. About 161 kilometres north-west of London, a trip to Birmingham will keep your itinerary packed. Don't miss top attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Experience major highlights starting with Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Montreal to London

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