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Cheap flights from London Heathrow Airport to Montreal from $358

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 12/7. 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.
Air Canada Logo
9:00 am - 12:32 amLHR-YUL
20h 32m2 stops
Air Canada Logo
7:30 pm - 7:10 amYUL-LHR
6h 40mnonstop
$575Air Canada
Find Deal
dom., nov. 16 - dom., dic. 14
Air Canada Logo
9:00 am - 12:32 amLHR-YUL
20h 32m2 stops
Air Canada Logo
12:10 pm - 6:30 amYUL-LHR
13h 20m1 stop
$581Air Canada
Find Deal
dom., nov. 16 - lun., dic. 15
United Airlines Logo
6:50 am - 11:38 amLHR-YUL
33h 48m2 stops
United Airlines Logo
8:20 am - 10:50 amYUL-LHR
21h 30m2 stops
$586United Airlines
Find Deal
sáb., dic. 6 - lun., dic. 15
United Airlines Logo
7:30 am - 5:05 pmLHR-YUL
14h 35m2 stops
United Airlines Logo
1:10 pm - 10:50 amYUL-LHR
16h 40m2 stops
$588United Airlines
Find Deal
sáb., dic. 6 - lun., dic. 8
Lufthansa Logo
8:45 am - 6:20 pmLHR-YUL
14h 35m1 stop
Lufthansa Logo
7:30 pm - 7:10 amYUL-LHR
6h 40mnonstop
$600Lufthansa
Find Deal
dom., dic. 7 - lun., ene. 12
SWISS Logo
9:00 am - 3:55 pmLHR-YUL
10h 55m1 stop
SWISS Logo
5:55 pm - 8:05 amYUL-LHR
10h 10m1 stop
$601SWISS
Find Deal
jue., mar. 19 - lun., mar. 23
Lufthansa Logo
7:40 am - 7:20 pmLHR-YUL
15h 40m1 stop
Lufthansa Logo
8:10 pm - 7:10 amYUL-LHR
7h 00mnonstop
$605Lufthansa
Find Deal
sáb., mar. 14 - jue., mar. 26
SWISS Logo
6:00 am - 3:10 pmLHR-YUL
14h 10m1 stop
SWISS Logo
8:15 pm - 4:20 pmYUL-LHR
15h 05m2 stops
$627SWISS
Find Deal
dom., dic. 7 - dom., ene. 11
Delta Logo
8:40 am - 5:20 pmLHR-YUL
13h 40m1 stop
Delta Logo
7:05 pm - 1:45 pmYUL-LHR
13h 40m1 stop
$633Delta
Find Deal
lun., feb. 16 - vie., feb. 20
Delta Logo
6:20 am - 12:15 pmLHR-YUL
10h 55m1 stop
Delta Logo
7:05 pm - 10:30 amYUL-LHR
10h 25m1 stop
$660Delta
Find Deal
vie., dic. 5 - mié., ene. 14

Air Canada flights from London Heathrow Airport to Montreal

Our best Air Canada deals on London Heathrow Airport to Montreal flight tickets
Air Canada
Nov 16
LHR9:00 amLondon Heathrow
20h 32m
2 stops
YUL12:32 amMontreal Pierre Elliott Trudeau Intl
Dec 14
YUL7:30 pmMontreal Pierre Elliott Trudeau Intl
6h 40m
LHR7:10 amLondon Heathrow
$575
Find similar
Air Canada
Nov 16
LHR9:00 amLondon Heathrow
20h 32m
2 stops
YUL12:32 amMontreal Pierre Elliott Trudeau Intl
Dec 15
YUL12:10 pmMontreal Pierre Elliott Trudeau Intl
13h 20m
1 stop
LHR6:30 amLondon Heathrow
$581
Find similar
Air Canada
Nov 27
LHR9:00 amLondon Heathrow
11h 10m
1 stop
YUL3:10 pmMontreal Pierre Elliott Trudeau Intl
Dec 4
YUL9:45 pmMontreal Pierre Elliott Trudeau Intl
17h 50m
1 stop
LHR8:35 pmLondon Heathrow
$596
Find similar

United Airlines flights from London Heathrow Airport to Montreal

Our best United Airlines deals on London Heathrow Airport to Montreal flight tickets
United Airlines
Dec 6
LHR6:50 amLondon Heathrow
33h 48m
2 stops
YUL11:38 amMontreal Pierre Elliott Trudeau Intl
Dec 15
YUL8:20 amMontreal Pierre Elliott Trudeau Intl
21h 30m
2 stops
LHR10:50 amLondon Heathrow
$586
Find similar
United Airlines
Dec 6
LHR7:30 amLondon Heathrow
14h 35m
2 stops
YUL5:05 pmMontreal Pierre Elliott Trudeau Intl
Dec 8
YUL1:10 pmMontreal Pierre Elliott Trudeau Intl
16h 40m
2 stops
LHR10:50 amLondon Heathrow
$588
Find similar
United Airlines
Feb 18
LHR7:30 amLondon Heathrow
14h 32m
2 stops
YUL5:02 pmMontreal Pierre Elliott Trudeau Intl
Feb 22
YUL10:50 amMontreal Pierre Elliott Trudeau Intl
19h 00m
2 stops
LHR10:50 amLondon Heathrow
$592
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated octubre 30, 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

dom. 11/16

9:00 am-12:32 am

2 stops20h 32m

Montreal Pierre Elliott Trudeau Intl

dom. 12/14

7:30 pm-7:10 am

Nonstop6h 40m

$575

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 11/16

9:00 am-12:32 am

2 stops20h 32m

Montreal Pierre Elliott Trudeau Intl

lun. 12/15

12:10 pm-6:30 am

1 stop13h 20m

$581

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sáb. 12/6

6:50 am-11:38 am

2 stops33h 48m

Montreal Pierre Elliott Trudeau Intl

lun. 12/15

8:20 am-10:50 am

2 stops21h 30m

$586

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sáb. 12/6

7:30 am-5:05 pm

2 stops14h 35m

Montreal Pierre Elliott Trudeau Intl

lun. 12/8

1:10 pm-10:50 am

2 stops16h 40m

$588

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 12/7

8:45 am-6:20 pm

1 stop14h 35m

Montreal Pierre Elliott Trudeau Intl

lun. 1/12

7:30 pm-7:10 am

Nonstop6h 40m

$600

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

jue. 3/19

9:00 am-3:55 pm

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

lun. 3/23

5:55 pm-8:05 am

1 stop10h 10m

$601

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sáb. 3/14

7:40 am-7:20 pm

1 stop15h 40m

Montreal Pierre Elliott Trudeau Intl

jue. 3/26

8:10 pm-7:10 am

Nonstop7h 00m

$605

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 12/7

6:00 am-3:10 pm

1 stop14h 10m

Montreal Pierre Elliott Trudeau Intl

dom. 1/11

8:15 pm-4:20 pm

2 stops15h 05m

$627

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

lun. 2/16

8:40 am-5:20 pm

1 stop13h 40m

Montreal Pierre Elliott Trudeau Intl

vie. 2/20

7:05 pm-1:45 pm

1 stop13h 40m

$633

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

vie. 12/5

6:20 am-12:15 pm

1 stop10h 55m

Montreal Pierre Elliott Trudeau Intl

mié. 1/14

7:05 pm-10:30 am

1 stop10h 25m

$660

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

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?

What is the cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from London Heathrow Airport is in June. Flight prices, which tend to average around $551, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of June, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around $561.

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 Tuesday when prices can be found for as low as $633. Flights from London Heathrow Airport to Montreal on a Thursday will generally be more expensive and average around $729. 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?

Our most recent data shows that the best time of day to fly to Montreal is in the morning. Flights from London Heathrow Airport to Montreal during this time can be as low as $640. In the evening is when there is more demand to fly to Montreal, so prices are often more expensive at around $727 per ticket.

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 $647 when searching weeks out. 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 $581 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?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Montreal.

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

As of October 2025, prices for London Heathrow Airport to Montreal flights are approximately 28% 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 round-trip 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

$669

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 $669. The best round-trip flight deal from London Heathrow Airport to Montreal found on momondo in the last 72 hours is $615.
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)
Search flight deals

  • How far is London Heathrow to Montreal by plane?

    London Heathrow and Montreal are 3229.8 mi apart from one another. Typically, this will take 7h 10m by plane in normal conditions.

  • 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?

    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.

  • 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
British AirwaysPriceFrom $463Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
Air CanadaPriceFrom $513Free CancellationRating
7.1
10,380 reviews
Search Air Canada flights
LufthansaPriceFrom $528Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights

  • Air Canada Flights From London Heathrow Airport to Montreal

    Air Canada operates around 3 flights from London Heathrow Airport to Montreal every week. The average price of these flights found in the last 72 hours has been $564, but momondo users have found Air Canada deals from London Heathrow Airport to Montreal from as low as $513 round-trip. Air Canada has been scored 7.1/10 in 10,381 reviews.

  • Lufthansa Flights From London Heathrow Airport to Montreal

    The best Lufthansa deal for London Heathrow Airport to Montreal flight tickets found on momondo in the last 72 hours was $528, round-trip. It should be noted that an average Lufthansa flight deal for this route in this time was higher, at $656 round-trip. Lufthansa operates 4 flights out of London Heathrow Airport into Montreal in an average week, so prices vary by time and availability. 7,541 Lufthansa reviews by users on momondo have scored the airline at 6.8/10.

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?

All flight searches from London to Montreal on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Montreal.

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.

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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