Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to London Heathrow Airport from C$ 406

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 16/6. 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

Discover deals from 900+ travel sites with momondo.

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? Early arrival? Instantly customize 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 round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Montreal to London.
Air Canada Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
Air Canada Logo
8:40 a.m. - 3:00 p.m.LHR-YUL
11h 20m1 stop
C$ 730Air Canada
Find Deal
Sun, 4 May - Wed, 7 May
 Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
 Logo
9:00 a.m. - 9:00 p.m.LHR-YUL
17h 00m1 stop
C$ 737
Find Deal
Thu, 8 May - Wed, 14 May
 Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
 Logo
9:00 a.m. - 9:00 p.m.LHR-YUL
17h 00m1 stop
C$ 738
Find Deal
Wed, 7 May - Wed, 14 May
Lufthansa Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
Lufthansa Logo
9:00 a.m. - 6:50 p.m.LHR-YUL
14h 50m1 stop
C$ 764Lufthansa
Find Deal
Wed, 7 May - Mon, 12 May
British Airways Logo
10:10 p.m. - 9:50 a.m.YUL-LHR
6h 40mdirect
British Airways Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
C$ 768British Airways
Find Deal
Wed, 7 May - Mon, 12 May
Lufthansa Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
Lufthansa Logo
9:30 a.m. - 4:00 p.m.LHR-YUL
11h 30m1 stop
C$ 775Lufthansa
Find Deal
Sat, 3 May - Fri, 9 May
British Airways Logo
10:00 p.m. - 9:40 a.m.YUL-LHR
6h 40mdirect
British Airways Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
C$ 777British Airways
Find Deal
Sun, 18 May - Mon, 2 Jun
American Airlines Logo
10:10 p.m. - 9:50 a.m.YUL-LHR
6h 40mdirect
American Airlines Logo
4:30 p.m. - 7:05 p.m.LHR-YUL
7h 35mdirect
C$ 848American Airlines
Find Deal
Wed, 18 Jun - Sat, 29 Nov
American Airlines Logo
4:00 p.m. - 6:40 a.m.YUL-LHR
9h 40m1 stop
American Airlines Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
C$ 863American Airlines
Find Deal
Tue, 17 Jun - Wed, 2 Jul
Virgin Atlantic Logo
5:05 p.m. - 8:55 a.m.YUL-LHR
10h 50m1 stop
Virgin Atlantic Logo
6:15 a.m. - 11:16 p.m.LHR-YUL
22h 01m2 stops
C$ 918Virgin Atlantic
Find Deal
Wed, 7 May - Tue, 13 May

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
YUL10:25 p.m.Montreal Pierre Elliott Trudeau Intl
6h 35m
LHR10:00 a.m.London Heathrow
7 May
LHR8:40 a.m.London Heathrow
11h 20m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
Air Canada
28 Apr
YUL10:20 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR10:00 a.m.London Heathrow
12 May
LHR8:40 a.m.London Heathrow
11h 20m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
Air Canada
29 Apr
YUL10:20 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR10:00 a.m.London Heathrow
3 May
LHR6:00 a.m.London Heathrow
14h 00m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl

American Airlines flights from Montreal to London Heathrow Airport

Our best American Airlines deals on Montreal to London Heathrow Airport flight tickets
American Airlines
18 Jun
YUL10:10 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR9:50 a.m.London Heathrow
29 Nov
LHR4:30 p.m.London Heathrow
7h 35m
YUL7:05 p.m.Montreal Pierre Elliott Trudeau Intl
American Airlines
17 Jun
YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl
9h 40m
1 stop
LHR6:40 a.m.London Heathrow
2 Jul
LHR6:05 p.m.London Heathrow
7h 10m
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
American Airlines
21 Apr
YUL10:10 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR9:50 a.m.London Heathrow
28 Apr
LHR6:05 p.m.London Heathrow
22h 39m
2 stops
YUL11:44 a.m.Montreal 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?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Montreal, with most prices found around C$ 904. If you aren’t able to travel to London Heathrow Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 933.

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

According to our data, Friday is the cheapest day to fly to London Heathrow Airport from Montreal. The lowest ticket price found for a Friday departure recently was C$ 1,213. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to London Heathrow Airport for around C$ 1,398.

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

Our data shows that the cheapest Montreal to London Heathrow Airport flights are usually those with departure times in the morning. Our users have found flights to London Heathrow Airport in the morning for as low as C$ 875. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,337 per ticket.

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 C$ 1,083 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 C$ 1,020 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 round-trip 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

C$ 406

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 C$ 406. The best round-trip flight deal from Montreal to London Heathrow Airport found on momondo in the last 72 hours is C$ 730.
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 5197.8 km. In terms of flight time, this usually takes a little over 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 are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek 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
FinnairPriceFrom C$ 588Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
Air FrancePriceFrom C$ 631Free CancellationRating
7.4
1,427 reviews
Search Air France flights
TAP AIR PORTUGALPriceFrom C$ 641Free CancellationRating
7.1
1,833 reviews
Search TAP AIR PORTUGAL flights
Air TransatPriceFrom C$ 761Free CancellationRating
7.8
382 reviews
Search Air Transat flights
Virgin AtlanticPriceFrom C$ 796Free CancellationRating
7.4
637 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom C$ 807Free CancellationRating
7.0
9,029 reviews
Search Air Canada flights
LufthansaPriceFrom C$ 837Free CancellationRating
6.7
6,963 reviews
Search Lufthansa flights
British AirwaysPriceFrom C$ 838Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
American AirlinesPriceFrom C$ 1,011Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Finnair Flights From Montreal to London Heathrow Airport

    Across 4 Finnair flights from Montreal to London Heathrow Airport this week, the average price was C$ 730, with the best Finnair deals starting from C$ 411 round-trip. 1,267 users have rated Finnair on momondo, with an average score of 7.6/10.

  • American Airlines Flights From Montreal to London Heathrow Airport

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Montreal to London Heathrow Airport about 3 times each week, with ticket deals ranging from C$ 707 to C$ 831. Price data is based on momondo searches in the last 72 hours.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Ipswich
Dartford
Crawley
Richmond
Canterbury
Ilford
Poole
Wembley
Chelmsford
Maidstone
Wokingham
Stratford-upon-Avon
Croydon
Feltham
Uxbridge
Newport
Milton Keynes
Staines-upon-Thames

Why use momondo?

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

Finding the right flight to London from Montreal is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to London from Montreal with this policy.

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

momondo helps you find the best flight between Montreal and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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, organize 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

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo