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Cheap flights from London Heathrow Airport to Montreal from £304

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 28/5. 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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0 bags

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Find the cheapest flights from London Heathrow Airport to Montreal

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
08:30 - 17:26
LHR
-
YUL
13h 56m
1 stop
Air Canada Logo
16:40 - 08:35
YUL
-
LHR
10h 55m
1 stop
£369Air Canada
Tue, 19 May - Tue, 26 May
TAP AIR PORTUGAL Logo
06:00 - 21:15
LHR
-
YUL
19h 15m
1 stop
TAP AIR PORTUGAL Logo
22:45 - 21:35
YUL
-
LHR
18h 50m
1 stop
£375TAP AIR PORTUGAL
Wed, 11 Mar - Sun, 22 Mar
TAP AIR PORTUGAL Logo
06:00 - 21:15
LHR
-
YUL
19h 15m
1 stop
TAP AIR PORTUGAL Logo
22:45 - 21:35
YUL
-
LHR
18h 50m
1 stop
£377TAP AIR PORTUGAL
Wed, 11 Mar - Sun, 22 Mar
TAP AIR PORTUGAL Logo
06:00 - 21:15
LHR
-
YUL
19h 15m
1 stop
TAP AIR PORTUGAL Logo
22:45 - 21:35
YUL
-
LHR
18h 50m
1 stop
£378TAP AIR PORTUGAL
Wed, 11 Mar - Sun, 22 Mar
Multiple Airlines Logo
20:50 - 17:20
LHR
-
YUL
25h 30m
1 stop
Multiple Airlines Logo
23:45 - 09:10
YUL
-
LHR
28h 25m
1 stop
£382Multiple Airlines
Thu, 9 Apr - Sun, 19 Apr
Multiple Airlines Logo
20:50 - 17:20
LHR
-
YUL
25h 30m
1 stop
Multiple Airlines Logo
23:45 - 09:10
YUL
-
LHR
28h 25m
1 stop
£385Multiple Airlines
Sun, 12 Apr - Sun, 26 Apr
TAP AIR PORTUGAL Logo
11:20 - 20:45
LHR
-
YUL
14h 25m
1 stop
TAP AIR PORTUGAL Logo
22:45 - 15:35
YUL
-
LHR
11h 50m
1 stop
£387TAP AIR PORTUGAL
Wed, 22 Apr - Wed, 6 May
TAP AIR PORTUGAL Logo
08:15 - 21:15
LHR
-
YUL
17h 00m
1 stop
TAP AIR PORTUGAL Logo
22:45 - 17:30
YUL
-
LHR
14h 45m
1 stop
£388TAP AIR PORTUGAL
Wed, 11 Mar - Mon, 16 Mar
United Airlines Logo
16:40 - 00:13
LHR
-
YUL
12h 33m
1 stop
United Airlines Logo
18:30 - 10:40
YUL
-
LHR
11h 10m
1 stop
£388United Airlines
Tue, 19 May - Sat, 30 May
TAP AIR PORTUGAL Logo
18:30 - 21:15
LHR
-
YUL
30h 45m
1 stop
TAP AIR PORTUGAL Logo
22:45 - 17:30
YUL
-
LHR
14h 45m
1 stop
£389TAP AIR PORTUGAL
Tue, 10 Mar - Mon, 16 Mar

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

Our best Air Canada deals on London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
6 Feb
LHR06:00London Heathrow
12h 45m
1 stop
YUL13:45Montreal Pierre Elliott Trudeau Intl
13 Feb
YUL08:45Montreal Pierre Elliott Trudeau Intl
19h 35m
2 stops
LHR09:20London Heathrow
£403
Air Canada
1 Mar
LHR06:50London Heathrow
9h 55m
1 stop
YUL11:45Montreal Pierre Elliott Trudeau Intl
8 Mar
YUL13:00Montreal Pierre Elliott Trudeau Intl
16h 20m
2 stops
LHR09:20London Heathrow
£407
Air Canada
19 Feb
LHR09:00London Heathrow
11h 10m
1 stop
YUL15:10Montreal Pierre Elliott Trudeau Intl
5 Mar
YUL20:10Montreal Pierre Elliott Trudeau Intl
19h 25m
2 stops
LHR20:35London Heathrow
£407

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
4 Feb
LHR06:00London Heathrow
19h 15m
1 stop
YUL20:15Montreal Pierre Elliott Trudeau Intl
9 Feb
YUL21:45Montreal Pierre Elliott Trudeau Intl
18h 50m
1 stop
LHR21:35London Heathrow
£374
TAP AIR PORTUGAL
11 Mar
LHR06:00London Heathrow
19h 15m
1 stop
YUL21:15Montreal Pierre Elliott Trudeau Intl
22 Mar
YUL22:45Montreal Pierre Elliott Trudeau Intl
18h 50m
1 stop
LHR21:35London Heathrow
£375
TAP AIR PORTUGAL
11 Mar
LHR06:00London Heathrow
19h 15m
1 stop
YUL21:15Montreal Pierre Elliott Trudeau Intl
22 Mar
YUL22:45Montreal Pierre Elliott Trudeau Intl
18h 50m
1 stop
LHR21:35London Heathrow
£377

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 3 February 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

Tue 19/5

08:30-17:26

1 stop13h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

16:40-08:35

1 stop10h 55m

£369

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 11/3

06:00-21:15

1 stop19h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

22:45-21:35

1 stop18h 50m

£375

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 11/3

06:00-21:15

1 stop19h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

22:45-21:35

1 stop18h 50m

£377

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 11/3

06:00-21:15

1 stop19h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 22/3

22:45-21:35

1 stop18h 50m

£378

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 9/4

20:50-17:20

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

23:45-09:10

1 stop28h 25m

£382

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 12/4

20:50-17:20

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

23:45-09:10

1 stop28h 25m

£385

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 22/4

11:20-20:45

1 stop14h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

22:45-15:35

1 stop11h 50m

£387

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 11/3

08:15-21:15

1 stop17h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

22:45-17:30

1 stop14h 45m

£388

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 19/5

16:40-00:13

1 stop12h 33m

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

18:30-10:40

1 stop11h 10m

£388

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 10/3

18:30-21:15

1 stop30h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

22:45-17:30

1 stop14h 45m

£389

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

In general, September is the cheapest month to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £407. If you are unable to visit Montreal Pierre Elliott Trudeau Intl Airport during the month of September, then departing from London Heathrow Airport during the month May is also very affordable. Most momondo users find prices during this month for around £408.

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

Our data shows that Wednesday is the least expensive day to fly to Montreal Pierre Elliott Trudeau Intl Airport. Tickets to fly out on this day can be as low as £518. Flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport on a Saturday will generally be more expensive and average around £555. 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?

Flying to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £493 when looking at flights departing in the afternoon. Flights at midday are often more expensive, with an average ticket price of £566.

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 £476 when searching weeks before you fly. 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 £447 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.

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 16% 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 return 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

£381

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 £381. The best return flight deal from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is £413.
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?

    A flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl will travel around 3238.7 mi. By plane, this route typically takes 7h 10m.

  • 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 refresh daily.

  • 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?

    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 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 travel and health documents required for your trip to Montreal Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl 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 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
Air FrancePriceFrom £94Free CancellationRating
7.4
1,531 reviews
Search Air France flights
Air TransatPriceFrom £314Free CancellationRating
7.7
502 reviews
Search Air Transat flights
United AirlinesPriceFrom £320Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
Air CanadaPriceFrom £361Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
British AirwaysPriceFrom £369Free CancellationRating
6.7
7,712 reviews
Search British Airways flights
LufthansaPriceFrom £375Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
FinnairPriceFrom £391Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £417Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights

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

    The lowest priced Finnair flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from the last 72 hours was £391. Generally, Finnair has 6 flights on this route every week with an average price of £628. Finnair is rated 7.6/10 by our users.

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

    £320 is the best United Airlines flight deal from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to £485, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,235 user reviews) flies into Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport 7 times in an average week so prices can vary.

Travelling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Cornwall
Laval
Dorval
Montebello

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Montreal . Millions of users trust and use momondo every year so you are in good hands.

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 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 Montreal from London.

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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