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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 356

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 Pierre Elliott Trudeau Intl Airport to London departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London

Cheap round-trip flights

Air Canada Logo
6:55 p.m. - 6:30 a.m.YUL-LHR
6h 35mdirect
Air Canada Logo
6:50 a.m. - 11:35 a.m.LHR-YUL
9h 45m1 stop
C$ 744Air Canada
Find Deal
Tue, 16 Sep - Sun, 21 Sep
TAP AIR PORTUGAL Logo
9:45 p.m. - 9:35 p.m.YUL-LHR
18h 50m1 stop
TAP AIR PORTUGAL Logo
6:30 p.m. - 8:15 p.m.LHR-YUL
30h 45m1 stop
C$ 745TAP AIR PORTUGAL
Find Deal
Sun, 23 Nov - Tue, 9 Dec
Air Canada Logo
9:45 p.m. - 8:35 p.m.YUL-LHR
18h 50m1 stop
Air Canada Logo
5:50 a.m. - 11:45 a.m.LHR-YUL
9h 55m1 stop
C$ 749Air Canada
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Air Canada Logo
8:15 p.m. - 11:50 a.m.YUL-LHR
10h 35m1 stop
Air Canada Logo
6:50 a.m. - 11:35 a.m.LHR-YUL
9h 45m1 stop
C$ 752Air Canada
Find Deal
Tue, 16 Sep - Sun, 21 Sep
Logo
9:55 p.m. - 9:35 a.m.YUL-LHR
6h 40mdirect
Logo
6:40 p.m. - 3:00 p.m.LHR-YUL
25h 20m1 stop
C$ 758
Find Deal
Mon, 15 Sep - Mon, 22 Sep
Logo
7:30 p.m. - 9:00 p.m.YUL-LHR
20h 30m1 stop
Logo
6:00 a.m. - 1:50 p.m.LHR-YUL
12h 50m1 stop
C$ 765
Find Deal
Mon, 22 Sep - Wed, 8 Oct
Lufthansa Logo
9:55 p.m. - 9:35 a.m.YUL-LHR
6h 40mdirect
Lufthansa Logo
1:45 p.m. - 9:00 p.m.LHR-YUL
12h 15m1 stop
C$ 787Lufthansa
Find Deal
Tue, 14 Oct - Wed, 22 Oct
Lufthansa Logo
5:10 p.m. - 8:30 a.m.YUL-LHR
10h 20m1 stop
Lufthansa Logo
7:40 a.m. - 6:20 p.m.LHR-YUL
15h 40m1 stop
C$ 798Lufthansa
Find Deal
Tue, 25 Nov - Mon, 8 Dec
American Airlines Logo
8:40 p.m. - 8:30 a.m.YUL-LHR
6h 50mdirect
American Airlines Logo
4:10 p.m. - 6:45 p.m.LHR-YUL
7h 35mdirect
C$ 810American Airlines
Find Deal
Tue, 11 Nov - Wed, 19 Nov
British Airways Logo
10:10 p.m. - 9:50 a.m.YUL-LHR
6h 40mdirect
British Airways Logo
4:10 p.m. - 6:45 p.m.LHR-YUL
7h 35mdirect
C$ 812British Airways
Find Deal
Mon, 29 Sep - Wed, 12 Nov

Air Canada flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

Our best Air Canada deals on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight tickets
Air Canada
16 Sep
YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl
6h 35m
LHR6:30 a.m.London Heathrow
21 Sep
LHR6:50 a.m.London Heathrow
9h 45m
1 stop
YUL11:35 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 744
Find similar
Air Canada
26 Oct
YUL9:45 p.m.Montreal Pierre Elliott Trudeau Intl
18h 50m
1 stop
LHR8:35 p.m.London Heathrow
2 Nov
LHR5:50 a.m.London Heathrow
9h 55m
1 stop
YUL11:45 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 749
Find similar
Air Canada
16 Sep
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
10h 35m
1 stop
LHR11:50 a.m.London Heathrow
21 Sep
LHR6:50 a.m.London Heathrow
9h 45m
1 stop
YUL11:35 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 752
Find similar

Lufthansa flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

Our best Lufthansa deals on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight tickets
Lufthansa
14 Oct
YUL9:55 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR9:35 a.m.London Heathrow
22 Oct
LHR1:45 p.m.London Heathrow
12h 15m
1 stop
YUL9:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 787
Find similar
Lufthansa
25 Nov
YUL5:10 p.m.Montreal Pierre Elliott Trudeau Intl
10h 20m
1 stop
LHR8:30 a.m.London Heathrow
8 Dec
LHR7:40 a.m.London Heathrow
15h 40m
1 stop
YUL6:20 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 798
Find similar
Lufthansa
24 Sep
YUL6:55 p.m.Montreal Pierre Elliott Trudeau Intl
6h 35m
LHR6:30 a.m.London Heathrow
30 Sep
LHR9:30 a.m.London Heathrow
7h 10m
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 809
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

6:55 p.m.-6:30 a.m.

Nonstop6h 35m

London Heathrow

Sun 21/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

C$ 744

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

9:45 p.m.-9:35 p.m.

1 stop18h 50m

London Heathrow

Tue 9/12

6:30 p.m.-8:15 p.m.

1 stop30h 45m

C$ 745

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

9:45 p.m.-8:35 p.m.

1 stop18h 50m

London Heathrow

Sun 2/11

5:50 a.m.-11:45 a.m.

1 stop9h 55m

C$ 749

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

8:15 p.m.-11:50 a.m.

1 stop10h 35m

London Heathrow

Sun 21/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

C$ 752

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Mon 22/9

6:40 p.m.-3:00 p.m.

1 stop25h 20m

C$ 758

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

7:30 p.m.-9:00 p.m.

1 stop20h 30m

London Heathrow

Wed 8/10

6:00 a.m.-1:50 p.m.

1 stop12h 50m

C$ 765

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Wed 22/10

1:45 p.m.-9:00 p.m.

1 stop12h 15m

C$ 787

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 25/11

5:10 p.m.-8:30 a.m.

1 stop10h 20m

London Heathrow

Mon 8/12

7:40 a.m.-6:20 p.m.

1 stop15h 40m

C$ 798

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

8:40 p.m.-8:30 a.m.

Nonstop6h 50m

London Heathrow

Wed 19/11

4:10 p.m.-6:45 p.m.

Nonstop7h 35m

C$ 810

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

10:10 p.m.-9:50 a.m.

Nonstop6h 40m

London Heathrow

Wed 12/11

4:10 p.m.-6:45 p.m.

Nonstop7h 35m

C$ 812

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around C$ 914. If you aren’t able to travel to London Heathrow Airport during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 925.

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

According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport. The lowest ticket price found for a Sunday departure recently was C$ 1,117. 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 Pierre Elliott Trudeau Intl Airport to London Heathrow Airport for around C$ 1,249.

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

Our data shows that the cheapest Montreal Pierre Elliott Trudeau Intl Airport 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$ 848. In the evening is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,203 per ticket.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to London Heathrow flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to London Heathrow for the best Montreal Pierre Elliott Trudeau Intl - 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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 1,025 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 932 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to London Heathrow flights?

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

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights?

You could potentially save up to 22% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight.

How have Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flight prices changed over time?

As of September 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (YUL to LHR) flight deals and tips

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

Best price found

C$ 994

Fastest flight time

6h 35m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 994. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport found on momondo in the last 72 hours is C$ 789.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport takes 6h 35m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport every day.
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to London Heathrow by plane?

    Montreal Pierre Elliott Trudeau Intl and London Heathrow are 5212.1 km apart from one another. Flights usually cover this in 6h 35m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom C$ 611Free CancellationRating
7.4
1,469 reviews
Search Air France flights
TAP AIR PORTUGALPriceFrom C$ 633Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
Air TransatPriceFrom C$ 634Free CancellationRating
7.7
438 reviews
Search Air Transat flights
Air CanadaPriceFrom C$ 758Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
LufthansaPriceFrom C$ 762Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom C$ 771Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom C$ 775Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
American AirlinesPriceFrom C$ 793Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom C$ 806Free CancellationRating
7.8
1,385 reviews
Search KLM flights
FinnairPriceFrom C$ 865Free CancellationRating
7.6
1,323 reviews
Search Finnair flights

  • Finnair Flights From Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

    The lowest priced Finnair flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from the last 72 hours was C$ 624. Generally, Finnair has 5 flights on this route every week with an average price of C$ 745. Finnair is rated 7.6/10 by our users.

  • American Airlines Flights From Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport about 5 times each week, with ticket deals ranging from C$ 573 to C$ 800. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near London?

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Why use momondo?

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

It is quick and easy to find Montreal to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. All flights to London from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Montreal.

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

Price alerts on flights to London from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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