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358 € 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 Airport? If you want to travel next month, return fares start from 378 €. Find the lowest prices on one-way and return tickets right here.
London.358 € per passenger.Departing Thu, 1 Oct, returning Thu, 8 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Thu, 1 Oct, arriving in London.Inbound indirect flight with Air Canada, departs from London on Thu, 8 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 358 €, select.
London.378 € per passenger.Departing Sat, 6 Jun, returning Sun, 7 Jun.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Sat, 6 Jun, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sun, 7 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 378 €, select.
London.389 € per passenger.Departing Wed, 27 May, returning Sun, 31 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Wed, 27 May, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sun, 31 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 389 €, select.
London.394 € per passenger.Departing Sun, 24 Jan, returning Sun, 31 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Sun, 24 Jan, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sun, 31 Jan, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 394 €, select.
London.394 € per passenger.Departing Fri, 29 Jan, returning Fri, 5 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Fri, 29 Jan, arriving in London.Inbound indirect flight with Air Canada, departs from London on Fri, 5 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 394 €, select.
London.409 € per passenger.Departing Sat, 30 May, returning Sat, 6 Jun.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Sat, 30 May, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sat, 6 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 409 €, select.
London.410 € per passenger.Departing Thu, 17 Sep, returning Thu, 17 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Thu, 17 Sep, arriving in London.Inbound indirect flight with Air Canada, departs from London on Thu, 17 Sep, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 410 €, select.
London.426 € per passenger.Departing Thu, 4 Feb, returning Thu, 11 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Thu, 4 Feb, arriving in London.Inbound indirect flight with Air Canada, departs from London on Thu, 11 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 426 €, select.
London.442 € per passenger.Departing Wed, 24 Jun, returning Wed, 1 Jul.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Wed, 24 Jun, arriving in London.Inbound indirect flight with Air Canada, departs from London on Wed, 1 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 442 €, select.
London.444 € per passenger.Departing Thu, 17 Dec, returning Thu, 24 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Thu, 17 Dec, arriving in London.Inbound indirect flight with Air Canada, departs from London on Thu, 24 Dec, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 444 €, select.
London.444 € per passenger.Departing Thu, 24 Sep, returning Thu, 1 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Thu, 24 Sep, arriving in London.Inbound indirect flight with Air Canada, departs from London on Thu, 1 Oct, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 444 €, select.
London.454 € per passenger.Departing Wed, 1 Jul, returning Wed, 8 Jul.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Wed, 1 Jul, arriving in London.Inbound indirect flight with Air Canada, departs from London on Wed, 8 Jul, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 454 €, select.
London.462 € per passenger.Departing Tue, 17 Nov, returning Tue, 24 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Tue, 17 Nov, arriving in London.Inbound indirect flight with Air Canada, departs from London on Tue, 24 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 462 €, select.
London.463 € per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Mon, 26 Oct, arriving in London.Inbound indirect flight with Air Canada, departs from London on Mon, 2 Nov, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 463 €, select.
London.463 € per passenger.Departing Sat, 28 Nov, returning Sat, 5 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Sat, 28 Nov, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sat, 5 Dec, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 463 €, select.
London.486 € per passenger.Departing Thu, 20 Aug, returning Thu, 10 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Montreal Pierre Elliott Trudeau on Thu, 20 Aug, arriving in London.Inbound indirect flight with Air Canada, departs from London on Thu, 10 Sep, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 486 €, 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 October.
May
from 389 €
Jun
from 378 €
Jul
from 454 €
Aug
from 511 €
Sep
from 410 €
Oct
from 358 €
Nov
from 462 €
Dec
from 444 €
Jan
from 394 €
Feb
from 426 €
Mar
from 536 €
Apr
Find prices

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.

London

10km from central London
Closest
from 358 €
Search flights

Kitchener / Waterloo

88km from central London
Cheapest
from 349 €
Search flights

Montreal to London: Flight information

The things to know before you go.
Cheapest flight found358 €
Cheapest month to flyOctober

Finding cheap flights from Montreal to London: Frequently asked questions

The best price we found for a return flight from Montreal to London is 358 €. 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 358 €.
As of May 2026, there are no flights flying from Montreal to London.
The cheapest month to fly from Montreal to London is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to London Airport on Thursday, 1 October 2026.
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.
The cheapest airline that flies to London is Air Canada .

Flying from Montreal to London International Airport (YXU): What you need to know

  • Montreal and London (where London International Airport is located) share the UTC-5 timezone. That means you won't have to adjust your watch when you land.

  • Give yourself enough time to get on your flight from Montreal to YXU. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month like July? Major public holidays and other popular periods can mean longer queues at check-in and security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

  • YUL is around 19 kilometres from central Montreal. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 25 minutes or so to get there, depending on the traffic. If you're using public transport, expect the trip time to be around 45 minutes.

  • Want an easy start to your break? Stay near Montreal-Trudeau International Airport. Whether you have an early flight from Montreal to London International Airport or want to avoid feeling rushed, these hotels are just the thing:

  • When it comes to Montreal-Trudeau International Airport's on-time performance, data shows 65% of flights complete their journey on time.

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

Montreal Metropolitan Airport (YHU)

  • With public transport, you can travel from central Montreal to YHU in about 1 hour. The airport is roughly 23 kilometres away, and making the journey by car will take approximately 25 minutes.

  • Want to enjoy an extra night away before boarding your Montreal to YXU flight? Unwind in a hotel near Montreal Metropolitan Airport before your holiday officially begins. These stays are expecting you:

About London International Airport (YXU)

Getting from London International Airport (YXU) to central London

  • London International Airport is around 10 kilometres from central London. The time it takes to get to the centre by taxi or car hire depends on the time of day. Do some research before your trip.

  • Travelling on public transport takes around 35 minutes.

How to find the cheapest flights from Montreal to London International Airport (YXU)

  • Currently, 195 € is the best price we've found for a one-way ticket from Montreal to London International Airport. The cheapest price for a return flight is 358 €. Keep in mind fares may change due to demand at the time of booking.

  • Don't leave everything to the last minute. You're more likely to walk away with cheap flights from Montreal to YXU if you book early. Airlines often have some fantastic early bird deals.

  • Cheap Montreal to London International Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' tool to compare fares across each month and then choose the cheapest day.

  • Locking in a cheap plane ticket from Montreal to YXU is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as the price has dropped.

  • Find a cheap flight from Montreal to London International Airport by using the search filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Montreal to London International Airport (YXU)

  • November is the quietest month for flights from Montreal to London International Airport (YXU), while August is the most popular. Work out the best time to go to London based on whether you like a laid-back vibe or a more bustling atmosphere.

  • The warmest month in London is July, with temperatures ranging between 13ºC (55ºF) and 27ºC (81ºF). Book your Montreal to YXU plane ticket then if that's your ideal forecast.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from Montreal to London International Airport in January when temperatures are between -13ºC (9ºF) and 2ºC (36ºF).

More about London

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in London right here. Check out these hotels after locking in your flight from Montreal to London International Airport:

  • Your London trip wouldn't be complete without a bit of sightseeing. Big-name attractions you won't want to miss include Forks of the Thames River, Falls View Park and Fanshawe Pioneer Village.

Explore more of Canada

  • Toronto is just one of the many cities in Canada waiting to be discovered after you've seen London. Around 161 kilometres away to the northeast, its top attractions include CN Tower, The Top CN Tower and Royal Ontario Museum.

  • Around 137 kilometres northeast of London, Mississauga is another essential stop in Canada. Get a taste of what this destination has to offer at Lake Ontario, Lake Aquitaine Trail and Mississauga Valley 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.