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Cheap flights from London to Montreal from C$ 405

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 to Montreal departing on 12/9. 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 to Montreal (LON-YMQ)

Cheap round-trip flights

Air Canada Logo
6:50 a.m. - 11:35 a.m.LHR-YUL
9h 45m1 stop
Air Canada Logo
9:20 p.m. - 6:30 a.m.YUL-LHR
28h 10m1 stop
C$ 667Air Canada
Find Deal
Fri, 26 Sep - Sun, 5 Oct
Logo
6:50 a.m. - 12:45 p.m.LHR-YUL
9h 55m1 stop
Logo
7:10 p.m. - 7:10 a.m.YUL-LHR
7h 00mdirect
C$ 668
Find Deal
Sat, 1 Nov - Fri, 7 Nov
Air Transat Logo
12:40 p.m. - 9:17 p.m.LGW-YUL
13h 37m1 stop
Air Transat Logo
6:45 a.m. - 10:45 a.m.YUL-LGW
23h 00m1 stop
C$ 672Air Transat
Find Deal
Mon, 22 Sep - Wed, 24 Sep
Lufthansa Logo
9:30 a.m. - 4:00 p.m.LHR-YUL
11h 30m1 stop
Lufthansa Logo
2:00 p.m. - 6:30 a.m.YUL-LHR
11h 30m1 stop
C$ 674Lufthansa
Find Deal
Tue, 23 Sep - Sat, 22 Nov
SWISS Logo
9:25 a.m. - 3:00 p.m.LCY-YUL
10h 35m1 stop
SWISS Logo
4:40 p.m. - 12:30 p.m.YUL-LCY
14h 50m1 stop
C$ 674SWISS
Find Deal
Thu, 9 Oct - Wed, 15 Oct
Air Transat Logo
11:35 a.m. - 2:15 p.m.LGW-YUL
7h 40mdirect
Air Transat Logo
6:45 a.m. - 10:45 a.m.YUL-LGW
23h 00m1 stop
C$ 675Air Transat
Find Deal
Fri, 12 Sep - Sun, 21 Sep
Lufthansa Logo
10:30 a.m. - 4:00 p.m.LHR-YUL
10h 30m1 stop
Lufthansa Logo
9:55 p.m. - 9:35 a.m.YUL-LHR
6h 40mdirect
C$ 689Lufthansa
Find Deal
Tue, 16 Sep - Tue, 30 Sep
SWISS Logo
6:40 p.m. - 3:10 p.m.LGW-YUL
25h 30m1 stop
SWISS Logo
4:45 p.m. - 5:50 p.m.YUL-LGW
20h 05m1 stop
C$ 691SWISS
Find Deal
Wed, 3 Dec - Sun, 7 Dec
British Airways Logo
4:10 p.m. - 7:45 p.m.LHR-YUL
7h 35mdirect
British Airways Logo
8:40 p.m. - 8:30 a.m.YUL-LHR
6h 50mdirect
C$ 719British Airways
Find Deal
Mon, 27 Oct - Sun, 9 Nov
British Airways Logo
4:10 p.m. - 6:45 p.m.LHR-YUL
7h 35mdirect
British Airways Logo
8:40 p.m. - 8:30 a.m.YUL-LHR
6h 50mdirect
C$ 735British Airways
Find Deal
Fri, 9 Jan - Tue, 3 Feb

Air Canada flights from London to Montreal

Our best Air Canada deals on London to Montreal flight tickets
Air Canada
26 Sep
LHR6:50 a.m.London Heathrow
9h 45m
1 stop
YUL11:35 a.m.Montreal Pierre Elliott Trudeau Intl
5 Oct
YUL9:20 p.m.Montreal Pierre Elliott Trudeau Intl
28h 10m
1 stop
LHR6:30 a.m.London Heathrow
C$ 667
Find similar
Air Canada
9 Sep
LHR6:00 a.m.London Heathrow
12h 50m
1 stop
YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl
19 Sep
YUL7:10 p.m.Montreal Pierre Elliott Trudeau Intl
10h 05m
1 stop
LHR10:15 a.m.London Heathrow
C$ 674
Find similar
Air Canada
12 Sep
LHR6:50 a.m.London Heathrow
9h 45m
1 stop
YUL11:35 a.m.Montreal Pierre Elliott Trudeau Intl
21 Sep
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
10h 35m
1 stop
LHR11:50 a.m.London Heathrow
C$ 676
Find similar

Air Transat flights from London to Montreal

Our best Air Transat deals on London to Montreal flight tickets
Air Transat
22 Sep
LGW12:40 p.m.London Gatwick
13h 37m
1 stop
YUL9:17 p.m.Montreal Pierre Elliott Trudeau Intl
24 Sep
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
23h 00m
1 stop
LGW10:45 a.m.London Gatwick
C$ 672
Find similar
Air Transat
11 Sep
LGW10:00 a.m.London Gatwick
14h 20m
1 stop
YUL7:20 p.m.Montreal Pierre Elliott Trudeau Intl
14 Sep
YUL8:05 p.m.Montreal Pierre Elliott Trudeau Intl
9h 40m
1 stop
LGW10:45 a.m.London Gatwick
C$ 674
Find similar
Air Transat
12 Sep
LGW11:35 a.m.London Gatwick
7h 40m
YUL2:15 p.m.Montreal Pierre Elliott Trudeau Intl
21 Sep
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
23h 00m
1 stop
LGW10:45 a.m.London Gatwick
C$ 675
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 96,600 searches. Data last updated 2 September 2025.
Use the filters below to find and compare flights from London to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 26/9

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

1 stop9h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

9:20 p.m.-6:30 a.m.

1 stop28h 10m

C$ 667

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 1/11

6:50 a.m.-12:45 p.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

7:10 p.m.-7:10 a.m.

Nonstop7h 00m

C$ 668

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 22/9

12:40 p.m.-9:17 p.m.

1 stop13h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

6:45 a.m.-10:45 a.m.

1 stop23h 00m

C$ 672

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 23/9

9:30 a.m.-4:00 p.m.

1 stop11h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

2:00 p.m.-6:30 a.m.

1 stop11h 30m

C$ 674

LondonMontreal

LCY - YUL

LCYYUL

London City

Thu 9/10

9:25 a.m.-3:00 p.m.

1 stop10h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

4:40 p.m.-12:30 p.m.

1 stop14h 50m

C$ 674

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 12/9

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 21/9

6:45 a.m.-10:45 a.m.

1 stop23h 00m

C$ 675

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 16/9

10:30 a.m.-4:00 p.m.

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

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

Nonstop6h 40m

C$ 689

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 3/12

6:40 p.m.-3:10 p.m.

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

4:45 p.m.-5:50 p.m.

1 stop20h 05m

C$ 691

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 27/10

4:10 p.m.-7:45 p.m.

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

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

Nonstop6h 50m

C$ 719

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 9/1

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

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

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

Nonstop6h 50m

C$ 735

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 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 and Montreal?

What is the cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from London is in September. Flight prices, which tend to average around C$ 746, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Montreal from London during March instead. Flights to Montreal in March, while not as cheap as those in September, still average around C$ 770.

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

Our data shows that Wednesday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 843. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London to Montreal for around C$ 930.

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

Our data shows that the cheapest London to Montreal flights are usually those with departure times in the afternoon. Our users have found flights to Montreal in the afternoon for as low as C$ 853. Flights at noon are often more expensive with an average ticket price of C$ 946.

What is the cheapest London to Montreal flight route?

Fly from London Gatwick to Montreal Pierre Elliott Trudeau Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 888 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from London for as low as C$ 805 on momondo.

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

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

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

How have London to Montreal flight prices changed over time?

As of September 2025, prices for London to Montreal flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from London to Montreal

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

Cheap London to Montreal (LON to YMQ) flight deals and tips

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

Best price found

C$ 722

Fastest flight time

7h 10m

Direct flights

Every day

Airports in Montreal

1 airport
The best one-way flight to Montreal from London in the past 72 hours is C$ 722. The best round-trip flight deal from London to Montreal found on momondo in the last 72 hours is C$ 626.
The fastest flight from London to Montreal takes 7h 10m
Direct flights go from London to Montreal every day.
There is 1 airport near Montreal: Montreal Pierre Elliott Trudeau Intl (YUL)
Search flight deals

  • How far is London to Montreal by plane?

    Montreal is 5217.7 km away from London. 7h 10m is a normal flight duration for this route.

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

    Prices for flights from London to Montreal refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Montreal.

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

    The travel and health documents required for your trip to Montreal 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. 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 to Montreal?

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

Best airlines flying from London to Montreal

Compare and see reviews for airlines that fly from London to Montreal with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom C$ 609Free CancellationRating
7.7
434 reviews
Search Air Transat flights
LufthansaPriceFrom C$ 647Free CancellationRating
6.8
7,385 reviews
Search Lufthansa flights
Air CanadaPriceFrom C$ 670Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
British AirwaysPriceFrom C$ 672Free CancellationRating
6.7
7,344 reviews
Search British Airways flights

  • Air Transat Flights From London to Montreal

    Air Transat operates around 7 flights from London to Montreal every week. The average price of these flights found in the last 72 hours has been C$ 741, but momondo users have found Air Transat deals from London to Montreal from as low as C$ 443 round-trip. Air Transat has been scored 7.7/10 in 434 reviews.

  • Air Canada Flights From London to Montreal

    Air Canada (7.1/10 from 10,000 reviews) operates around 12 flights from London to Montreal in any given week. The average Air Canada airfare for this route is around C$ 619, with deals from around C$ 487 rare but found on momondo. Referenced prices are for round-trip London to Montreal flight searches in the last 72 hours.

Why use momondo?

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

It is quick and easy to find London to Montreal 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 Montreal that suits you.

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

Yes. momondo allows you to filter the results for London to Montreal flights to just show those with 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?

Of course. momondo tracks the price of London to Montreal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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 15.1 km from Montreal
Montreal St Hubert Airport
Montreal Pierre Elliott Trudeau Intl Airport