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Cheap flights from Montreal to London from C$ 425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to London departing on 13/7. 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 Montreal to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Montreal to London.
SWISS Logo
4:40 p.m. - 7:55 a.m.YUL-LHR
10h 15m1 stop
SWISS Logo
6:00 a.m. - 3:00 p.m.LHR-YUL
14h 00m1 stop
C$ 529SWISS
Find Deal
Thu, 1 May - Sun, 11 May
Austrian Airlines Logo
6:35 p.m. - 9:40 p.m.YUL-LHR
22h 05m1 stop
Austrian Airlines Logo
6:00 a.m. - 1:50 p.m.LHR-YUL
12h 50m1 stop
C$ 584Austrian Airlines
Find Deal
Tue, 10 Jun - Tue, 24 Jun
Air Transat Logo
10:05 p.m. - 9:50 a.m.YUL-LGW
6h 45mdirect
Air Transat Logo
11:35 a.m. - 2:15 p.m.LGW-YUL
7h 40mdirect
C$ 661Air Transat
Find Deal
Sat, 10 May - Wed, 21 May
Air Transat Logo
6:45 a.m. - 10:45 a.m.YUL-LGW
23h 00m1 stop
Air Transat Logo
11:35 a.m. - 2:15 p.m.LGW-YUL
7h 40mdirect
C$ 670Air Transat
Find Deal
Sun, 25 May - Sun, 1 Jun
Air Canada Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
Air Canada Logo
9:30 a.m. - 11:40 a.m.LHR-YUL
7h 10mdirect
C$ 740Air Canada
Find Deal
Sat, 10 May - Fri, 16 May
Air Canada Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
Air Canada Logo
9:30 a.m. - 11:40 a.m.LHR-YUL
7h 10mdirect
C$ 751Air Canada
Find Deal
Sat, 10 May - Wed, 21 May
Lufthansa Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
Lufthansa Logo
9:00 a.m. - 9:00 p.m.LHR-YUL
17h 00m1 stop
C$ 755Lufthansa
Find Deal
Sat, 10 May - Wed, 14 May
British Airways Logo
10:05 p.m. - 9:45 a.m.YUL-LHR
6h 40mdirect
British Airways Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
C$ 760British Airways
Find Deal
Thu, 8 May - Thu, 15 May
British Airways Logo
10:05 p.m. - 9:45 a.m.YUL-LHR
6h 40mdirect
British Airways Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
C$ 761British Airways
Find Deal
Thu, 8 May - Thu, 15 May
Lufthansa Logo
10:25 p.m. - 10:00 a.m.YUL-LHR
6h 35mdirect
Lufthansa Logo
9:30 a.m. - 4:00 p.m.LHR-YUL
11h 30m1 stop
C$ 765Lufthansa
Find Deal
Sat, 3 May - Mon, 12 May

Air Canada flights from Montreal to London

Our best Air Canada deals on Montreal to London flight tickets
Air Canada
10 May
YUL10:25 p.m.Montreal Pierre Elliott Trudeau Intl
6h 35m
LHR10:00 a.m.London Heathrow
16 May
LHR9:30 a.m.London Heathrow
7h 10m
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
Air Canada
10 May
YUL10:25 p.m.Montreal Pierre Elliott Trudeau Intl
6h 35m
LHR10:00 a.m.London Heathrow
21 May
LHR9:30 a.m.London Heathrow
7h 10m
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl
Air Canada
27 May
YUL10:25 p.m.Montreal Pierre Elliott Trudeau Intl
6h 35m
LHR10:00 a.m.London Heathrow
31 May
LHR9:30 a.m.London Heathrow
7h 10m
YUL11:40 a.m.Montreal Pierre Elliott Trudeau Intl

British Airways flights from Montreal to London

Our best British Airways deals on Montreal to London flight tickets
British Airways
8 May
YUL10:05 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR9:45 a.m.London Heathrow
15 May
LHR6:05 p.m.London Heathrow
7h 10m
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
British Airways
8 May
YUL10:05 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR9:45 a.m.London Heathrow
15 May
LHR6:05 p.m.London Heathrow
7h 10m
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
British Airways
10 May
YUL10:05 p.m.Montreal Pierre Elliott Trudeau Intl
6h 40m
LHR9:45 a.m.London Heathrow
16 May
LHR6:05 p.m.London Heathrow
7h 10m
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl

See travel insights to London from

How to get the cheapest flight ticket from Montreal to London

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 Montreal and London?

What is the cheapest month to fly to London?

In general, May is the cheapest month to fly from Montreal to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 879. If you aren’t able to travel to London during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 890.

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

According to our data, Sunday is the cheapest day to fly to London from Montreal. The lowest ticket price found for a Sunday departure recently was C$ 1,143. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Montreal to London for around C$ 1,301.

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

Our most recent data shows that the best time of day to fly to London is at noon. Flights from Montreal to London during this time can be as low as C$ 769. In the evening is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,230 per ticket.

What is the cheapest Montreal to London flight route?

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

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

You are more likely to see cheaper flights to London from Montreal when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 1,058 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Montreal for as low as C$ 929 on momondo.

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

There are 3 cabin classes available to choose from on Montreal to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Montreal to London flight prices changed over time?

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

When to book flights from Montreal to London

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

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

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

Best price found

C$ 425

Fastest flight time

6h 35m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from Montreal in the past 72 hours is C$ 425. The best round-trip flight deal from Montreal to London found on momondo in the last 72 hours is C$ 529.
The fastest flight from Montreal to London takes 6h 35m
Direct flights go from Montreal to London every day.
There are 4 airports near London: London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW)

  • How far is Montreal to London by plane?

    A flight from Montreal to London will travel around 5217.7 km. A reasonable flight in good conditions will take 6h 35m.

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

    Prices for flights from Montreal to London are updated daily.

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

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

    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 Montreal to London.

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

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Montreal to London?

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


Best airlines flying from Montreal to London

Compare and see reviews for airlines that fly from Montreal to London with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom C$ 577Free CancellationRating
7.6
1,269 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom C$ 613Free CancellationRating
7.1
1,837 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom C$ 619Free CancellationRating
7.4
1,428 reviews
Search Air France flights
Porter AirlinesPriceFrom C$ 698Free CancellationRating
8.0
280 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 715Free CancellationRating
7.8
385 reviews
Search Air Transat flights
Air CanadaPriceFrom C$ 757Free CancellationRating
7.0
9,085 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom C$ 781Free CancellationRating
7.4
641 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom C$ 821Free CancellationRating
6.7
6,986 reviews
Search Lufthansa flights
British AirwaysPriceFrom C$ 821Free CancellationRating
6.6
6,737 reviews
Search British Airways flights
American AirlinesPriceFrom C$ 965Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Finnair Flights From Montreal to London

    Finnair is one of the most popular airlines flying from Montreal to London, operating 5 flights/week on average for this route. A good Finnair flight deal for Montreal to London starts from C$ 411 round-trip, up to an average price of C$ 729. Our users have rated Finnair at 7.6/10.

  • American Airlines Flights From Montreal to London

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Montreal to London about 6 times each week, with ticket deals ranging from C$ 687 to C$ 830. Price data is based on momondo searches in the last 72 hours.


Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Ipswich
Dartford
Crawley
Richmond
Canterbury
Ilford
Wembley
Chelmsford
Maidstone
Wokingham
Croydon
Feltham
Uxbridge
Newport
Milton Keynes
Staines-upon-Thames
Dover
Guildford

Why use momondo?

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

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 Montreal to London for you.

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

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

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

Once all potential Montreal to London 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 Montreal to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London