Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to London Heathrow Airport from £180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to London Heathrow Airport departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Montreal to London

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Montreal to London.
Air Canada Logo
22:25 - 10:00YUL-LHR
6h 35mdirect
Air Canada Logo
08:40 - 15:00LHR-YUL
11h 20m1 stop
£394Air Canada
Find Deal
Sun, 4 May - Wed, 7 May
 Logo
22:25 - 10:00YUL-LHR
6h 35mdirect
 Logo
09:00 - 21:00LHR-YUL
17h 00m1 stop
Thu, 8 May - Wed, 14 May
Lufthansa Logo
22:25 - 10:00YUL-LHR
6h 35mdirect
Lufthansa Logo
09:30 - 11:40LHR-YUL
7h 10mdirect
£412Lufthansa
Find Deal
Wed, 28 May - Wed, 4 Jun
Lufthansa Logo
22:25 - 10:00YUL-LHR
6h 35mdirect
Lufthansa Logo
09:00 - 18:50LHR-YUL
14h 50m1 stop
£412Lufthansa
Find Deal
Wed, 7 May - Mon, 12 May
British Airways Logo
22:10 - 09:50YUL-LHR
6h 40mdirect
British Airways Logo
18:05 - 20:15LHR-YUL
7h 10mdirect
£415British Airways
Find Deal
Wed, 7 May - Mon, 12 May
SWISS Logo
16:40 - 13:40YUL-LHR
16h 00m2 stops
SWISS Logo
08:40 - 15:00LHR-YUL
11h 20m1 stop
£415SWISS
Find Deal
Wed, 7 May - Thu, 3 Jul
British Airways Logo
22:00 - 09:40YUL-LHR
6h 40mdirect
British Airways Logo
18:05 - 20:15LHR-YUL
7h 10mdirect
£419British Airways
Find Deal
Sun, 18 May - Mon, 2 Jun
SWISS Logo
20:30 - 13:40YUL-LHR
12h 10m1 stop
SWISS Logo
18:40 - 15:00LHR-YUL
25h 20m1 stop
£431SWISS
Find Deal
Thu, 22 May - Thu, 29 May
American Airlines Logo
22:10 - 09:50YUL-LHR
6h 40mdirect
American Airlines Logo
18:05 - 20:15LHR-YUL
7h 10mdirect
£434American Airlines
Find Deal
Tue, 15 Apr - Thu, 1 May
American Airlines Logo
22:10 - 09:50YUL-LHR
6h 40mdirect
American Airlines Logo
20:10 - 15:25LHR-YUL
24h 15m2 stops
£456American Airlines
Find Deal
Tue, 15 Apr - Wed, 30 Apr

Air Canada flights from Montreal to London Heathrow Airport

Our best Air Canada deals on Montreal to London Heathrow Airport flight tickets
Air Canada
4 May
YUL22:25Montreal Pierre Elliott Trudeau Intl
6h 35m
LHR10:00London Heathrow
7 May
LHR08:40London Heathrow
11h 20m
1 stop
YUL15:00Montreal Pierre Elliott Trudeau Intl
Air Canada
28 Apr
YUL22:20Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR10:00London Heathrow
12 May
LHR08:40London Heathrow
11h 20m
1 stop
YUL15:00Montreal Pierre Elliott Trudeau Intl
Air Canada
29 Apr
YUL22:20Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR10:00London Heathrow
3 May
LHR06:00London Heathrow
14h 00m
1 stop
YUL15:00Montreal Pierre Elliott Trudeau Intl

Air France flights from Montreal to London Heathrow Airport

Our best Air France deals on Montreal to London Heathrow Airport flight tickets
Air France
20 May
YUL19:00Montreal Pierre Elliott Trudeau Intl
13h 45m
1 stop
LHR13:45London Heathrow
30 May
LHR06:15London Heathrow
13h 45m
1 stop
YUL15:00Montreal Pierre Elliott Trudeau Intl
Air France
9 Apr
YUL16:50Montreal Pierre Elliott Trudeau Intl
11h 05m
1 stop
LHR08:55London Heathrow
22 Apr
LHR17:50London Heathrow
11h 49m
1 stop
YUL00:39Montreal Pierre Elliott Trudeau Intl
Air France
4 Apr
YUL18:50Montreal Pierre Elliott Trudeau Intl
21h 35m
2 stops
LHR21:25London Heathrow
6 Apr
LHR17:50London Heathrow
11h 49m
1 stop
YUL00:39Montreal Pierre Elliott Trudeau Intl

See travel insights to London from

How to get the cheapest flight ticket from Montreal to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Montreal and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, September is the cheapest month to fly from Montreal to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £488. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Montreal averaging around £503.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Montreal is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £583. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £674.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Montreal to London Heathrow Airport at midday for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £629 on average. Flights to London Heathrow Airport from Montreal in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Montreal to London Heathrow flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to London Heathrow for the best Montreal - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Montreal when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £585 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Montreal for as low as £551 on momondo.

What cabin class options are available on Montreal to London Heathrow flights?

There are 3 cabin classes available to choose from on Montreal to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Montreal to London Heathrow Airport flight prices changed over time?

As of April 2025, prices for Montreal to London Heathrow Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Montreal to London Heathrow Airport (YMQ to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to London Heathrow Airport

Best price found

£180

Fastest flight time

6h 35m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Montreal in the past 72 hours is £180. The best return flight deal from Montreal to London Heathrow Airport found on momondo in the last 72 hours is £394.
The fastest flight from Montreal to London Heathrow Airport takes 6h 35m
Direct flights go from Montreal to London Heathrow Airport every day.

  • How far is Montreal to London Heathrow by plane?

    A flight from Montreal to London Heathrow will travel around 3229.8 mi. A reasonable flight in good conditions will take 6h 35m.

  • When did momondo last update prices for flights from Montreal to London Heathrow Airport?

    Prices for flights from Montreal to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Montreal to London Heathrow Airport?

  • How old do you have to be to fly from Montreal to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Montreal to London Heathrow Airport?

  • What is the most popular airline from Montreal to London Heathrow Airport?


Best airlines flying from Montreal to London Heathrow Airport

Compare and see reviews for airlines that fly from Montreal to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom £426Free CancellationRating
7.0
9,035 reviews
Search Air Canada flights
British AirwaysPriceFrom £429Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
FinnairPriceFrom £519Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
LufthansaPriceFrom £552Free CancellationRating
6.7
6,964 reviews
Search Lufthansa flights
  • Finnair Flights From Montreal to London Heathrow Airport

    Finnair operates around 4 flights from Montreal to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £835, but momondo users have found Finnair deals from Montreal to London Heathrow Airport from as low as £672 round-trip. Finnair has been scored 7.6/10 in 1,267 reviews.

  • Air Canada Flights From Montreal to London Heathrow Airport

    £552 is the best Air Canada flight deal from Montreal to London Heathrow Airport found on momondo over the last 72 hours. The average Air Canada ticket price found was closer to £709, however, with flight time and availability significantly affecting the price. Air Canada (7.0/10 from 9,029 user reviews) flies into London Heathrow Airport from Montreal 12 times in an average week so prices can vary.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Stratford-upon-Avon
Swindon
Gatwick
Ipswich
Northampton
Maidstone
Canterbury
Margate
Dartford
Hounslow
Ilford
Salisbury
Colchester
Guildford
Swanage

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Montreal.

Can I find flights from Montreal to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to London?

momondo provides multiple filters to help you find the best flight to London from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montreal to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 8/4
Tue 15/4

Find better results for your trip to London