Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 294

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 Pierre Elliott Trudeau Intl Airport to London departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London

Cheap round-trip flights

SWISS Logo
6:35 p.m. - 1:00 p.m.YUL-LHR
13h 25m2 stops
SWISS Logo
6:40 p.m. - 3:00 p.m.LHR-YUL
25h 20m1 stop
C$ 600SWISS
Find Deal
Mon, 29 Sep - Mon, 6 Oct
TAP AIR PORTUGAL Logo
9:45 p.m. - 3:45 p.m.YUL-LGW
13h 00m1 stop
TAP AIR PORTUGAL Logo
10:40 a.m. - 8:15 p.m.LGW-YUL
14h 35m1 stop
C$ 652TAP AIR PORTUGAL
Find Deal
Mon, 24 Nov - Sun, 7 Dec
Air Canada Logo
9:55 p.m. - 9:35 a.m.YUL-LHR
6h 40mdirect
Air Canada Logo
6:50 a.m. - 11:35 a.m.LHR-YUL
9h 45m1 stop
C$ 702Air Canada
Find Deal
Mon, 8 Sep - Sun, 14 Sep
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$ 702Air Transat
Find Deal
Thu, 18 Sep - Thu, 25 Sep
Air Canada Logo
7:10 p.m. - 7:10 a.m.YUL-LHR
7h 00mdirect
Air Canada Logo
6:00 a.m. - 1:45 p.m.LHR-YUL
12h 45m1 stop
C$ 703Air Canada
Find Deal
Wed, 19 Nov - Mon, 24 Nov
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$ 703Air Transat
Find Deal
Thu, 18 Sep - Thu, 25 Sep
Porter Airlines Logo
10:05 p.m. - 9:50 a.m.YUL-LGW
6h 45mdirect
Porter Airlines Logo
11:35 a.m. - 2:15 p.m.LGW-YUL
7h 40mdirect
C$ 726Porter Airlines
Find Deal
Mon, 8 Sep - Mon, 22 Sep
British Airways Logo
10:10 p.m. - 9:50 a.m.YUL-LHR
6h 40mdirect
British Airways Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
C$ 728British Airways
Find Deal
Wed, 1 Oct - Wed, 15 Oct
British Airways Logo
10:10 p.m. - 9:50 a.m.YUL-LHR
6h 40mdirect
British Airways Logo
6:05 p.m. - 8:15 p.m.LHR-YUL
7h 10mdirect
C$ 731British Airways
Find Deal
Wed, 1 Oct - Wed, 15 Oct
Porter Airlines Logo
10:05 p.m. - 9:50 a.m.YUL-LGW
6h 45mdirect
Porter Airlines Logo
12:40 p.m. - 7:20 p.m.LGW-YUL
11h 40m1 stop
C$ 731Porter Airlines
Find Deal
Mon, 8 Sep - Mon, 22 Sep

SWISS flights from Montreal Pierre Elliott Trudeau Intl Airport to London

Our best SWISS deals on Montreal Pierre Elliott Trudeau Intl Airport to London flight tickets
SWISS
29 Sep
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
13h 25m
2 stops
LHR1:00 p.m.London Heathrow
6 Oct
LHR6:40 p.m.London Heathrow
25h 20m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 600
Find similar
SWISS
2 Nov
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
39h 05m
2 stops
LHR4:20 p.m.London Heathrow
5 Nov
LHR12:05 p.m.London Heathrow
32h 05m
1 stop
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 657
Find similar
SWISS
4 Nov
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
42h 00m
2 stops
LHR7:15 p.m.London Heathrow
7 Nov
LHR12:05 p.m.London Heathrow
32h 05m
1 stop
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 668
Find similar

TAP AIR PORTUGAL flights from Montreal Pierre Elliott Trudeau Intl Airport to London

Our best TAP AIR PORTUGAL deals on Montreal Pierre Elliott Trudeau Intl Airport to London flight tickets
TAP AIR PORTUGAL
24 Nov
YUL9:45 p.m.Montreal Pierre Elliott Trudeau Intl
13h 00m
1 stop
LGW3:45 p.m.London Gatwick
7 Dec
LGW10:40 a.m.London Gatwick
14h 35m
1 stop
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 652
Find similar
TAP AIR PORTUGAL
24 Nov
YUL9:45 p.m.Montreal Pierre Elliott Trudeau Intl
18h 50m
1 stop
LHR9:35 p.m.London Heathrow
5 Dec
LHR12:25 p.m.London Heathrow
12h 50m
1 stop
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 654
Find similar
TAP AIR PORTUGAL
24 Nov
YUL9:45 p.m.Montreal Pierre Elliott Trudeau Intl
14h 45m
1 stop
LHR5:30 p.m.London Heathrow
7 Dec
LHR6:00 a.m.London Heathrow
19h 15m
1 stop
YUL8:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 658
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport to London 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 31 July 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

6:35 p.m.-1:00 p.m.

2 stops13h 25m

London Heathrow

Mon 6/10

6:40 p.m.-3:00 p.m.

1 stop25h 20m

C$ 600

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

9:45 p.m.-3:45 p.m.

1 stop13h 00m

London Gatwick

Sun 7/12

10:40 a.m.-8:15 p.m.

1 stop14h 35m

C$ 652

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

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

Nonstop6h 40m

London Heathrow

Sun 14/9

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

1 stop9h 45m

C$ 702

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Thu 25/9

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

Nonstop7h 40m

C$ 702

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 19/11

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

Nonstop7h 00m

London Heathrow

Mon 24/11

6:00 a.m.-1:45 p.m.

1 stop12h 45m

C$ 703

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Thu 25/9

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

Nonstop7h 40m

C$ 703

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Mon 22/9

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

Nonstop7h 40m

C$ 726

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

10:10 p.m.-9:50 a.m.

Nonstop6h 40m

London Heathrow

Wed 15/10

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 728

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

10:10 p.m.-9:50 a.m.

Nonstop6h 40m

London Heathrow

Wed 15/10

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 731

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Mon 22/9

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 731

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 cheapest month to fly to London?

In general, May is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 836. If you aren’t able to travel to London during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 843.

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 Pierre Elliott Trudeau Intl Airport. The lowest ticket price found for a Sunday departure recently was C$ 1,083. 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 Pierre Elliott Trudeau Intl Airport to London for around C$ 1,171.

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 Pierre Elliott Trudeau Intl Airport to London during this time can be as low as C$ 755. In the evening is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,144 per ticket.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to London flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to London Gatwick for the best Montreal Pierre Elliott Trudeau Intl - 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 Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 1,023 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 923 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to London flights?

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to London 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 Montreal Pierre Elliott Trudeau Intl Airport to London flights?

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to London.

How have Montreal Pierre Elliott Trudeau Intl Airport to London flight prices changed over time?

As of July 2025, prices for Montreal Pierre Elliott Trudeau Intl Airport to London flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to London

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

Cheap Montreal Pierre Elliott Trudeau Intl Airport to London (YUL to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London

Best price found

C$ 294

Fastest flight time

6h 35m

Direct flights

Every day

Airports in London

4 airports
The best one-way flight to London from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 294. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to London found on momondo in the last 72 hours is C$ 600.
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to London takes 6h 35m
Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to London every day.
There are 4 airports near London: London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)
Search flight deals

  • How far is Montreal Pierre Elliott Trudeau Intl to London by plane?

    There are 5231.9 km between Montreal Pierre Elliott Trudeau Intl and London. Typically, this will take 6h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to London are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to London.

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

    The travel and health documents required for your trip to London 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 London. 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 Montreal Pierre Elliott Trudeau Intl Airport to London?

  • What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to London?

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to London with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom C$ 603Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
Air TransatPriceFrom C$ 655Free CancellationRating
7.7
424 reviews
Search Air Transat flights
Porter AirlinesPriceFrom C$ 717Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 748Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
LufthansaPriceFrom C$ 762Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom C$ 767Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom C$ 789Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
KLMPriceFrom C$ 802Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Air FrancePriceFrom C$ 815Free CancellationRating
7.5
1,465 reviews
Search Air France flights
American AirlinesPriceFrom C$ 922Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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

    Across 7 Porter Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to London this week, the average price was C$ 644, with the best Porter Airlines deals starting from C$ 520 round-trip. 318 users have rated Porter Airlines on momondo, with an average score of 8.0/10.

  • Air Transat Flights From Montreal Pierre Elliott Trudeau Intl Airport to London

    Another popular option for Montreal Pierre Elliott Trudeau Intl Airport to London flights is Air Transat (7.7/10, 424 ratings). Air Transat flies from Montreal Pierre Elliott Trudeau Intl Airport to London around 7 times per week, with deals starting from C$ 475 round-trip and rising to an average price of around C$ 707.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Ipswich
Hounslow
Gatwick
Dartford
Canterbury
Crawley
Ilford
Wembley
Maidstone
Chelmsford
Wokingham
Feltham
Uxbridge
Waterlooville
Newport
Basingstoke
Milton Keynes
Dover
Worthing
Guildford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Montreal.

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

Yes. All flights to London from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 London from Montreal.

I’m not ready to book a flight from Montreal to London right now. Can momondo alert me if prices change?

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

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 5/8
Tue 12/8
By creating a price alert you accept our terms of use and privacy policy.

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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport