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Cheap flights from London Heathrow Airport to Montreal from £264

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 3/9. 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 return flights

SWISS Logo
06:00 - 15:00LHR-YUL
14h 00m1 stop
SWISS Logo
16:40 - 16:25YUL-LHR
18h 45m1 stop
£296SWISS
Find Deal
Wed, 10 Sep - Tue, 23 Sep
SWISS Logo
06:00 - 16:10LHR-YUL
14h 10m1 stop
SWISS Logo
16:45 - 21:40YUL-LHR
23h 55m1 stop
£318SWISS
Find Deal
Wed, 29 Oct - Thu, 6 Nov
SWISS Logo
20:05 - 15:00LHR-YUL
23h 55m1 stop
SWISS Logo
16:40 - 07:55YUL-LHR
10h 15m1 stop
£320SWISS
Find Deal
Mon, 15 Sep - Sun, 21 Sep
Logo
09:30 - 16:00LHR-YUL
11h 30m1 stop
Logo
16:40 - 13:00YUL-LHR
15h 20m1 stop
£330
Find Deal
Thu, 11 Sep - Thu, 25 Sep
Lufthansa Logo
13:45 - 21:00LHR-YUL
12h 15m1 stop
Lufthansa Logo
22:50 - 18:25YUL-LHR
14h 35m1 stop
£333Lufthansa
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Wed, 27 Aug - Wed, 17 Sep
Air Canada Logo
11:05 - 11:35LHR-YUL
29h 30m1 stop
Air Canada Logo
20:05 - 21:00YUL-LHR
19h 55m1 stop
£338Air Canada
Find Deal
Fri, 12 Sep - Sat, 13 Sep
Lufthansa Logo
07:30 - 16:00LHR-YUL
13h 30m1 stop
Lufthansa Logo
18:05 - 10:40YUL-LHR
11h 35m1 stop
£351Lufthansa
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Logo
11:10 - 18:20LHR-YUL
12h 10m1 stop
Logo
16:45 - 08:05YUL-LHR
10h 20m1 stop
£352
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Air Canada Logo
09:00 - 15:10LHR-YUL
11h 10m1 stop
Air Canada Logo
19:10 - 07:10YUL-LHR
7h 00mdirect
£365Air Canada
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Wed, 12 Nov - Sat, 15 Nov
Delta Logo
06:30 - 16:55LHR-YUL
15h 25m1 stop
Delta Logo
17:00 - 08:00YUL-LHR
10h 00m1 stop
£392Delta
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Fri, 5 Sep - Fri, 12 Sep

Air Canada flights from London Heathrow Airport to Montreal

Our best Air Canada deals on London Heathrow Airport to Montreal flight tickets
Air Canada
12 Sept
LHR11:05London Heathrow
29h 30m
1 stop
YUL11:35Montreal Pierre Elliott Trudeau Intl
13 Sept
YUL20:05Montreal Pierre Elliott Trudeau Intl
19h 55m
1 stop
LHR21:00London Heathrow
£338
Find similar
Air Canada
12 Nov
LHR09:00London Heathrow
11h 10m
1 stop
YUL15:10Montreal Pierre Elliott Trudeau Intl
15 Nov
YUL19:10Montreal Pierre Elliott Trudeau Intl
7h 00m
LHR07:10London Heathrow
£365
Find similar
Air Canada
29 Nov
LHR09:00London Heathrow
11h 10m
1 stop
YUL15:10Montreal Pierre Elliott Trudeau Intl
6 Dec
YUL19:30Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR07:10London Heathrow
£375
Find similar

SWISS flights from London Heathrow Airport to Montreal

Our best SWISS deals on London Heathrow Airport to Montreal flight tickets
SWISS
10 Sept
LHR06:00London Heathrow
14h 00m
1 stop
YUL15:00Montreal Pierre Elliott Trudeau Intl
23 Sept
YUL16:40Montreal Pierre Elliott Trudeau Intl
18h 45m
1 stop
LHR16:25London Heathrow
£296
Find similar
SWISS
29 Oct
LHR06:00London Heathrow
14h 10m
1 stop
YUL16:10Montreal Pierre Elliott Trudeau Intl
6 Nov
YUL16:45Montreal Pierre Elliott Trudeau Intl
23h 55m
1 stop
LHR21:40London Heathrow
£318
Find similar
SWISS
15 Sept
LHR20:05London Heathrow
23h 55m
1 stop
YUL15:00Montreal Pierre Elliott Trudeau Intl
21 Sept
YUL16:40Montreal Pierre Elliott Trudeau Intl
10h 15m
1 stop
LHR07:55London Heathrow
£320
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Montreal 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 2 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 10/9

06:00-15:00

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

16:40-16:25

1 stop18h 45m

£296

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 29/10

06:00-16:10

1 stop14h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

16:45-21:40

1 stop23h 55m

£318

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 15/9

20:05-15:00

1 stop23h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 21/9

16:40-07:55

1 stop10h 15m

£320

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 11/9

09:30-16:00

1 stop11h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 25/9

16:40-13:00

1 stop15h 20m

£330

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 27/8

13:45-21:00

1 stop12h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

22:50-18:25

1 stop14h 35m

£333

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 12/9

11:05-11:35

1 stop29h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

20:05-21:00

1 stop19h 55m

£338

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 7/10

07:30-16:00

1 stop13h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

18:05-10:40

1 stop11h 35m

£351

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 26/11

11:10-18:20

1 stop12h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

16:45-08:05

1 stop10h 20m

£352

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 12/11

09:00-15:10

1 stop11h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

19:10-07:10

Nonstop7h 00m

£365

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 5/9

06:30-16:55

1 stop15h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

17:00-08:00

1 stop10h 00m

£392

Flights are sorted by cheapest return 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

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?

The month of September is, on average, the cheapest month to fly to Montreal from London Heathrow Airport, with most prices found around £415. The month of June is another great option to travel to Montreal, with average flight prices from London Heathrow Airport averaging around £418.

What is the cheapest day to depart on your flight to Montreal?

The cheapest day to depart from London Heathrow Airport to Montreal is on a Wednesday. Travellers who choose to depart for Montreal on a Wednesday will often find tickets for as low as £526. Flights from London Heathrow Airport to Montreal on a Saturday will generally be more expensive and average around £570. 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?

In the evening is the cheapest time of day to fly from London Heathrow Airport to Montreal when you can find flight prices for as low as £532. Flying to Montreal in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Montreal is at midday when prices are around £571.

What is the cheapest London Heathrow to Montreal flight route?

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

How far in advance should I book a flight to Montreal?

You are more likely to see cheaper flights to Montreal from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around £493 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from London Heathrow Airport for as low as £448 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Montreal 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 flights?

You could potentially save up to 4% on your flight if you consider stops on a London Heathrow Airport to Montreal flight.

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

As of August 2025, prices for London Heathrow Airport to Montreal flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Montreal

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

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

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

Best price found

£264

Fastest flight time

7h 10m

Direct flights

Every day

Airports in Montreal

1 airport
The best one-way flight to Montreal from London Heathrow Airport in the past 72 hours is £264. The best return flight deal from London Heathrow Airport to Montreal found on momondo in the last 72 hours is £296.
The fastest flight from London Heathrow Airport to Montreal takes 7h 10m
Direct flights go from London Heathrow Airport to Montreal every day.
There is 1 airport near Montreal: Montreal Pierre Elliott Trudeau Intl (YUL)
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  • How far is London Heathrow to Montreal by plane?

    London Heathrow and Montreal are 3229.8 mi apart from one another. In terms of flight time, this usually takes a little over 7h 10m.

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

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

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

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

    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.

  • What documentation or ID do you need to fly to Montreal?

    The necessary travel and health documents for your Montreal 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?

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

Best airlines flying from London Heathrow Airport to Montreal

Compare and see reviews for airlines that fly from London Heathrow Airport to Montreal with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £98Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Air TransatPriceFrom £330Free CancellationRating
7.7
424 reviews
Search Air Transat flights
United AirlinesPriceFrom £331Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom £341Free CancellationRating
7.1
1,936 reviews
Search TAP AIR PORTUGAL flights
Air CanadaPriceFrom £375Free CancellationRating
7.1
9,855 reviews
Search Air Canada flights
LufthansaPriceFrom £377Free CancellationRating
6.8
7,276 reviews
Search Lufthansa flights
British AirwaysPriceFrom £381Free CancellationRating
6.6
7,224 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £391Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £411Free CancellationRating
7.6
1,317 reviews
Search Finnair flights

  • Finnair Flights From London Heathrow Airport to Montreal

    The lowest priced Finnair flight from London Heathrow Airport to Montreal from the last 72 hours was £543. Generally, Finnair has 3 flights on this route every week with an average price of £1,004. Finnair is rated 7.6/10 by our users.

  • United Airlines Flights From London Heathrow Airport to Montreal

    The best United Airlines deal for London Heathrow Airport to Montreal flight tickets found on momondo in the last 72 hours was £438, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at £653 round-trip. United Airlines operates 12 flights out of London Heathrow Airport into Montreal in an average week, so prices vary by time and availability. 8,904 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Montreal for you.

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

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

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

momondo helps you find the best flight between London and Montreal 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 London to Montreal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Montreal, momondo offers a useful price alert feature which will track prices for flights to Montreal from London and alert you when they change.

An easier way to manage your Montreal 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.
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Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 9.4 mi from Montreal
Montreal St Hubert Airport
Montreal Pierre Elliott Trudeau Intl Airport