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Cheap flights from London Heathrow Airport to Montreal from $422

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Montreal departing on 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
8:15 am - 8:15 pm
LHR
-
YUL
17h 00m
1 stop
TAP AIR PORTUGAL Logo
10:45 pm - 5:30 pm
YUL
-
LHR
14h 45m
1 stop
$524TAP AIR PORTUGAL
Wed, Feb 25 - Mon, Mar 9
Multiple Airlines Logo
8:50 pm - 5:20 pm
LHR
-
YUL
25h 30m
1 stop
Multiple Airlines Logo
11:45 pm - 9:10 am
YUL
-
LHR
28h 25m
1 stop
$573Multiple Airlines
Tue, May 5 - Tue, May 26
Multiple Airlines Logo
8:50 pm - 5:20 pm
LHR
-
YUL
25h 30m
1 stop
Multiple Airlines Logo
11:45 pm - 9:10 am
YUL
-
LHR
28h 25m
1 stop
$574Multiple Airlines
Tue, May 5 - Tue, May 26
Multiple Airlines Logo
8:50 pm - 5:20 pm
LHR
-
YUL
25h 30m
1 stop
Multiple Airlines Logo
11:45 pm - 8:05 pm
YUL
-
LHR
15h 20m
1 stop
$595Multiple Airlines
Fri, May 8 - Fri, May 22
Multiple Airlines Logo
8:50 pm - 5:20 pm
LHR
-
YUL
25h 30m
1 stop
Multiple Airlines Logo
11:45 pm - 9:10 am
YUL
-
LHR
28h 25m
1 stop
$597Multiple Airlines
Sat, May 9 - Sun, May 17
Air Canada Logo
9:00 am - 12:32 am
LHR
-
YUL
20h 32m
2 stops
Air Canada Logo
8:10 pm - 7:10 am
YUL
-
LHR
7h 00mnonstop
$599Air Canada
Thu, Feb 26 - Mon, Mar 9
TAP AIR PORTUGAL Logo
6:00 am - 8:15 pm
LHR
-
YUL
19h 15m
1 stop
TAP AIR PORTUGAL Logo
10:45 pm - 9:35 pm
YUL
-
LHR
18h 50m
1 stop
$601TAP AIR PORTUGAL
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
8:50 pm - 5:20 pm
LHR
-
YUL
25h 30m
1 stop
Multiple Airlines Logo
11:45 pm - 8:05 pm
YUL
-
LHR
15h 20m
1 stop
$607Multiple Airlines
Sat, May 9 - Mon, May 18
United Airlines Logo
11:30 am - 7:32 am
LHR
-
YUL
24h 02m
2 stops
United Airlines Logo
8:20 am - 6:40 am
YUL
-
LHR
18h 20m
2 stops
$610United Airlines
Wed, Mar 11 - Sat, Mar 21
SWISS Logo
6:00 am - 2:55 pm
LHR
-
YUL
13h 55m
1 stop
SWISS Logo
5:55 pm - 8:05 am
YUL
-
LHR
10h 10m
1 stop
$611SWISS
Tue, Mar 3 - Tue, Mar 17

TAP AIR PORTUGAL flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
TAP AIR PORTUGAL
Feb 25
LHR8:15 amLondon Heathrow
17h 00m
1 stop
YUL8:15 pmMontreal Pierre Elliott Trudeau Intl
Mar 9
YUL10:45 pmMontreal Pierre Elliott Trudeau Intl
14h 45m
1 stop
LHR5:30 pmLondon Heathrow
$524
TAP AIR PORTUGAL
Feb 9
LHR8:15 amLondon Heathrow
17h 00m
1 stop
YUL8:15 pmMontreal Pierre Elliott Trudeau Intl
Feb 23
YUL9:45 pmMontreal Pierre Elliott Trudeau Intl
18h 50m
1 stop
LHR9:35 pmLondon Heathrow
$554
TAP AIR PORTUGAL
Feb 8
LHR12:25 pmLondon Heathrow
12h 50m
1 stop
YUL8:15 pmMontreal Pierre Elliott Trudeau Intl
Feb 18
YUL9:45 pmMontreal Pierre Elliott Trudeau Intl
16h 10m
1 stop
LHR6:55 pmLondon Heathrow
$560

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

Our best SWISS deals on London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
SWISS
Mar 3
LHR6:00 amLondon Heathrow
13h 55m
1 stop
YUL2:55 pmMontreal Pierre Elliott Trudeau Intl
Mar 17
YUL5:55 pmMontreal Pierre Elliott Trudeau Intl
10h 10m
1 stop
LHR8:05 amLondon Heathrow
$611
SWISS
Feb 28
LHR9:00 amLondon Heathrow
10h 55m
1 stop
YUL2:55 pmMontreal Pierre Elliott Trudeau Intl
Mar 9
YUL5:55 pmMontreal Pierre Elliott Trudeau Intl
10h 10m
1 stop
LHR8:05 amLondon Heathrow
$614
SWISS
Feb 25
LHR9:00 amLondon Heathrow
10h 55m
1 stop
YUL2:55 pmMontreal Pierre Elliott Trudeau Intl
Mar 4
YUL4:55 pmMontreal Pierre Elliott Trudeau Intl
10h 10m
1 stop
LHR8:05 amLondon Heathrow
$615

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl 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 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 2/25

8:15 am-8:15 pm

1 stop17h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 3/9

10:45 pm-5:30 pm

1 stop14h 45m

$524

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 5/5

8:50 pm-5:20 pm

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 5/26

11:45 pm-9:10 am

1 stop28h 25m

$573

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 5/5

8:50 pm-5:20 pm

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 5/26

11:45 pm-9:10 am

1 stop28h 25m

$574

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 5/8

8:50 pm-5:20 pm

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 5/22

11:45 pm-8:05 pm

1 stop15h 20m

$595

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 5/9

8:50 pm-5:20 pm

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 5/17

11:45 pm-9:10 am

1 stop28h 25m

$597

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 2/26

9:00 am-12:32 am

2 stops20h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 3/9

8:10 pm-7:10 am

Nonstop7h 00m

$599

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 3/2

6:00 am-8:15 pm

1 stop19h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 3/9

10:45 pm-9:35 pm

1 stop18h 50m

$601

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 5/9

8:50 pm-5:20 pm

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 5/18

11:45 pm-8:05 pm

1 stop15h 20m

$607

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 3/11

11:30 am-7:32 am

2 stops24h 02m

Montreal Pierre Elliott Trudeau Intl

Sat 3/21

8:20 am-6:40 am

2 stops18h 20m

$610

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 3/3

6:00 am-2:55 pm

1 stop13h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 3/17

5:55 pm-8:05 am

1 stop10h 10m

$611

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 Montreal from

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

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of May is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from London Heathrow Airport averaging around $558.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is on a Sunday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will often find tickets for as low as $646. Flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will generally be more expensive and average around $725. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

In the morning is the cheapest time of day to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $632. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $769.

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

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

How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $651 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport for as low as $611 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Montreal Pierre Elliott Trudeau Intl 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 London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 25% on your flight if you consider stops on a London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight.

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

As of February 2026, prices for London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

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

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

Cheap London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (LHR to YUL) flight deals and tips

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

Best Price Found

$645

Fastest flight time

7h 10m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport in the past 72 hours is $645. The best round-trip flight deal from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $674.
The fastest flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 7h 10m
Direct flights go from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

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

    There are 3238.7 mi between London Heathrow and Montreal Pierre Elliott Trudeau Intl. 7h 10m is a normal flight duration for this route.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The necessary travel and health documents for your Montreal Pierre Elliott Trudeau Intl 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 London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

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

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

Compare and see reviews for airlines that fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $495Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights
Air CanadaPriceFrom $513Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights

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

    Air Canada is one of the most popular airlines flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, operating 7 flights/week on average for this route. A good Air Canada flight deal for London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport starts from $513 round-trip, up to an average price of $602. Our users have rated Air Canada at 7.1/10.

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

    Lufthansa is also a popular choice for this route. Lufthansa flight deals for London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport start from as low as $495 round-trip, depending on your selected dates, with average Lufthansa deals seen on momondo around $741. Lufthansa operates 7 flights to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport in an average week. Users have rated it 6.8/10 across 7,759 reviews.

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Dorval
Brossard
Longueuil
Trois-Rivières
Cornwall
Magog
Boucherville
Sherbrooke
Drummondville
Montebello
Saint-Jean-sur-Richelieu
Bromont
Saint-Sauveur
North Hatley
Sutton

Why use momondo?

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

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 Montreal from London.

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

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

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

Once all potential London to Montreal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from London to Montreal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montreal and let you know when they change.

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