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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from £188

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in May or November, booked 86 days in advance, depart on a Sunday or Friday and return on a Wednesday

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 February 2026.

Mon 15/622:45
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Mon 22/610:35
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 18/2£360
Fri 22/522:45
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Fri 5/613:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 17/2£361
Tue 5/515:10
YUL
-
STN
2 stops26h 10m
Multiple Airlines
Sun 10/506:35
STN
-
YUL
2 stops23h 02m
Multiple Airlines
Deal found 16/2£362
Fri 5/622:45
YUL
-
LGW
1 stop11h 55m
TAP AIR PORTUGAL
Mon 15/610:35
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 18/2£365
Fri 22/522:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 21/619:50
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 19/2£365
Sun 7/622:45
YUL
-
LGW
1 stop11h 25m
TAP AIR PORTUGAL
Sat 20/616:30
LGW
-
YUL
1 stop33h 40m
TAP AIR PORTUGAL
Deal found 17/2£366
Wed 22/422:45
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Wed 29/411:20
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 18/2£366
Mon 1/611:00
YUL
-
LTN
2 stops30h 50m
Multiple Airlines
Mon 8/608:15
LTN
-
YUL
2 stops16h 17m
Multiple Airlines
Deal found 16/2£366
Sun 7/622:45
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Sat 20/619:50
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 17/2£367
Mon 1/622:45
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Mon 8/611:20
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 16/2£368
Mon 1/611:00
YUL
-
LGW
2 stops26h 35m
Multiple Airlines
Mon 8/609:45
LGW
-
YUL
2 stops14h 47m
Multiple Airlines
Deal found 16/2£368
Fri 5/622:45
YUL
-
LGW
1 stop11h 55m
TAP AIR PORTUGAL
Wed 10/610:35
LGW
-
YUL
1 stop15h 10m
TAP AIR PORTUGAL
Deal found 18/2£369

Find flight deals from Pierre Elliott Trudeau Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 February 2026.

Round-trip from

£360

One-way from

£188

Popular in

December

Cheapest in

May

Average price

£530

Good round-trip deal

£430 or less

Good one-way deal

£416 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 15/6-22/6
  • 2 total stops
  • 27h 25m total
  • Montreal to London
Search Deals
18/3
  • 18/3
  • 1 total stop
  • 15h 55m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 858,174 searches. Data last updated 19 February 2026.
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

Pierre Elliott Trudeau Intl

Fly to

London

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Sat 23/5

11:35-14:15

Nonstop7h 40m

£389

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Sun 24/5

12:40-19:20

1 stop11h 40m

£394

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Mon 25/5

09:40-17:02

1 stop12h 22m

£394

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Tue 26/5

12:40-19:20

1 stop11h 40m

£395

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

17:10-10:45

1 stop12h 35m

London Gatwick

Sun 10/5

11:35-14:15

Nonstop7h 40m

£395

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

16:15-07:55

1 stop10h 40m

London Gatwick

Fri 22/5

11:35-14:15

Nonstop7h 40m

£395

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

16:15-10:45

1 stop13h 30m

London Gatwick

Sun 10/5

11:35-14:15

Nonstop7h 40m

£396

MontrealLondon

YUL - STN

YULSTN

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

06:45-17:50

2 stops31h 05m

London Stansted

Wed 29/4

22:45-00:25

3 stops30h 40m

£396

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 18/6

22:45-09:45

1 stop30h 00m

London Gatwick

Sun 21/6

10:35-21:10

1 stop15h 35m

£408

MontrealLondon

YUL - LTN

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

21:35-13:05

1 stop10h 30m

London Luton

Wed 8/4

19:20-11:05

1 stop20h 45m

£417

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 60 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to London

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

Use this chart to determine the optimal time to book a return flight from Pierre Elliott Trudeau Intl to London. Price data was last updated on 18 February 2026.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

Currently, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of £254). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of £476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to LON?

Find hourly flight availability from Pierre Elliott Trudeau Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to London as you normally would.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London

Explore weekly flight availability from Pierre Elliott Trudeau Intl to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 February 2026.

The most flights from YUL to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 on average).

What’s the top stopover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Share of one-stop return flights from Montreal Pierre Elliott Trudeau Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Newark (EWR) – chosen by Cheapflights users on 40% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London on Cheapflights.

What’s the cheapest stopover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average return fare for one-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Newark (EWR) is the most affordable one-stop option, with an average return flight price of £556.

What’s the fastest stopover option from Montreal Pierre Elliott Trudeau Intl Airport to London?

Shortest average travel time for one-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for one-stop routes: 10h 20m.

Which airport typically offers the quickest stopover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average stopover duration for one-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average stopover time of 1h 20m.

How often are flights from Montreal to London delayed?

About 20% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 158 minutes.

What is the most punctual flight time for Montreal to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to London flights?

Over the past year, Air Transat have had the lowest number of delays on this route, with just 7% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 19 February 2026.
Get a feel of what it's like to fly with Air Transat, Air Canada, andBritish Airways from Montreal Pierre Elliott Trudeau Intl Airport to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
511 reviews
Check prices

Boarding

7.9

Entertainment

7.0

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
511 reviews
Air Transat
7.7
Good
511 reviews
Check prices

Boarding

7.9

Entertainment

7.0

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,732 reviews
Air Transat
7.7
Good
511 reviews
Check prices

Boarding

7.9

Entertainment

7.0

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
British Airways
6.7
Okay
7,755 reviews
Air Transat
7.7
Good
511 reviews
Check prices

Boarding

7.9

Entertainment

7.0

Food

6.8

Crew

8.4

Overall

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to London in 6h 40m. Fly via Air Transat, TAP AIR PORTUGAL, or British Airways to get the fastest option. The distance between Montreal Pierre Elliott Trudeau Intl Airport and London is about 3239 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London round-trip?

    Currently priced at £395, Air Canada will fly you from Montreal Pierre Elliott Trudeau Intl Airport to London and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Lufthansa - these airlines can fly you to your destination from £407 and £443, respectively. Users have found that Air Canada is 22% cheaper than the other options available to this destination.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to London?

    When deciding which route to take from Montreal Pierre Elliott Trudeau Intl Airport to London consider Montreal Pierre Elliott Trudeau Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London City as they are the most popular.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Before booking your flight to London from Montreal Pierre Elliott Trudeau Intl Airport, check out the most reliable airlines to get you to your destination on time: Aegean Airlines (65%), Air Canada (55%), Austrian Airlines( 55%).

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

    While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to London is generally £467, our data shows the cheapest flight currently is £382. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), you can expect to pay £361 for that flight.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to London that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to London.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to London?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Currently, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of £254). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of £476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Top 3 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£395Average£477FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£407Average£595FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£443Average£611FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Pierre Elliott Trudeau Intl to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to London with no change fees?

Certainly. Search results for flights to London from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to London become cheaper?

Of course! You can now track prices for flights from Pierre Elliott Trudeau Intl to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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