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Cheap flights from London to Montreal Pierre Elliott Trudeau Intl Airport from £333

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YUL
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Montreal Pierre Elliott Trudeau Intl are usually found in May or September, booked 71 days in advance, depart on a Friday or Wednesday and return on a Sunday

Cheap flight deals from London to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from London to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from London to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2026.

Thu 10/911:35
LGW
-
YUL
Nonstop7h 40m
Air Transat
Sun 13/916:40
YUL
-
LGW
2 stops34h 15m
Air Transat
Deal found 31/3£381
Wed 3/622:45
STN
-
YUL
3 stops30h 40m
Multiple Airlines
Fri 5/619:20
YUL
-
STN
2 stops22h 45m
Multiple Airlines
Deal found 30/3£381
Mon 14/911:35
LGW
-
YUL
Nonstop7h 40m
Air Transat
Tue 22/916:40
YUL
-
LGW
2 stops37h 05m
Air Transat
Deal found 30/3£381
Wed 6/522:00
STN
-
YUL
3 stops31h 25m
Multiple Airlines
Wed 20/519:20
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Deal found 28/3£381
Tue 12/522:00
STN
-
YUL
2 stops31h 25m
Multiple Airlines
Tue 19/506:45
YUL
-
STN
2 stops25h 40m
Multiple Airlines
Deal found 28/3£383
Tue 21/408:50
LGW
-
YUL
2 stops20h 48m
Multiple Airlines
Tue 19/519:20
YUL
-
LGW
2 stops16h 05m
Multiple Airlines
Deal found 29/3£384
Fri 8/506:35
STN
-
YUL
2 stops16h 45m
Multiple Airlines
Tue 26/506:45
YUL
-
STN
2 stops25h 40m
Multiple Airlines
Deal found 29/3£386
Tue 28/420:35
LGW
-
YUL
3 stops32h 50m
Multiple Airlines
Tue 19/519:20
YUL
-
LGW
2 stops16h 05m
Multiple Airlines
Deal found 31/3£387
Wed 29/420:50
LGW
-
YUL
3 stops32h 35m
Multiple Airlines
Wed 20/519:20
YUL
-
LGW
2 stops22h 30m
Multiple Airlines
Deal found 30/3£387
Fri 8/506:35
STN
-
YUL
2 stops22h 50m
Multiple Airlines
Wed 20/519:20
YUL
-
STN
2 stops20h 10m
Multiple Airlines
Deal found 31/3£387
Fri 15/511:35
LGW
-
YUL
Nonstop7h 40m
Air Transat
Fri 22/516:40
YUL
-
LGW
1 stop10h 15m
Air Transat
Deal found 30/3£390
Tue 19/522:00
STN
-
YUL
3 stops31h 25m
Multiple Airlines
Tue 26/506:45
YUL
-
STN
3 stops34h 35m
Multiple Airlines
Deal found 28/3£392

Find flight deals from London to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Pierre Elliott Trudeau Intl (YUL). 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 31 March 2026.

Round-trip from

£381

One-way from

£333

Popular in

December

Cheapest in

May

Average price

£522

Good round-trip deal

£468 or less

Good one-way deal

£296 or less
Air Transat
  • Air Transat
  • 10/9-13/9
  • 2 total stops
  • 41h 55m total
  • London to Montreal
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 26h 10m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from London (LON) to Montreal Pierre Elliott Trudeau Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Pierre Elliott Trudeau Intl 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 31 March 2026.
Use the filters below to find and compare flights from London to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMontreal

SEN - YUL

SENYUL

London Southend

Sun 30/8

19:50-14:00

1 stop23h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

18:50-10:25

1 stop10h 35m

£445

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Mon 7/9

19:40-11:35

1 stop20h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

21:30-22:10

1 stop19h 40m

£445

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Fri 26/6

19:00-11:35

1 stop21h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

18:50-22:15

1 stop22h 25m

£449

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Sun 28/6

19:00-11:35

1 stop21h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 5/7

18:50-22:55

1 stop23h 05m

£451

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Tue 12/5

07:05-14:00

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

21:30-22:25

1 stop19h 55m

£455

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 5/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

20:35-10:45

1 stop9h 10m

£458

LondonMontreal

LTN - YUL

LTNYUL

London Luton

Wed 29/4

06:15-00:25

3 stops23h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

19:20-21:15

3 stops20h 55m

£458

LondonMontreal

STN - YUL

STNYUL

London Stansted

Wed 29/4

06:30-00:25

3 stops22h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

19:20-19:30

3 stops19h 10m

£462

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 2/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

20:35-10:45

1 stop9h 10m

£468

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 2/5

12:40-10:02

1 stop26h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

20:35-10:45

1 stop9h 10m

£487

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from London to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from London 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 London to Montreal Pierre Elliott Trudeau Intl Airport

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

Use this chart to determine the optimal time to book a return flight from London to Pierre Elliott Trudeau Intl. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from London to Montreal Pierre Elliott Trudeau Intl Airport, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of £288). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of £390). 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 LON to YUL?

Find hourly flight availability from London to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 March 2026.

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

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

Explore weekly flight availability from London to Pierre Elliott Trudeau Intl. 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 31 March 2026.

The most flights from LON to YUL are scheduled on a Tuesday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost for a return flight from London to Montreal Pierre Elliott Trudeau Intl Airport?

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

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

Toronto (YYZ) – chosen by Cheapflights users on 32% of one-stop itineraries from London to Montreal Pierre Elliott Trudeau Intl Airport on Cheapflights.

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

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

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £382.

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

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

Flights via Paris (CDG) have the shortest average one-way travel time for one-stop routes: 10h 13m.

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

Average stopover duration for one-stop one-way flights from London to Montreal Pierre Elliott Trudeau Intl Airport, 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 21m.

How often are flights from London to Montreal delayed?

About 10% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 152 minutes.

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

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

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

Over the past year, Air Canada have had the lowest number of delays on this route, with just 6% of flights being delayed.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated 31 March 2026.
Check out reviews from past customers who have flown with Air Transat,American Airlines, andAir Canada from London to Montreal Pierre Elliott Trudeau Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
530 reviews
Check prices

Overall

7.7

Crew

8.5

Boarding

7.9

Comfort

7.3

Food

6.8

Entertainment

7.0

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
530 reviews
Air Transat
7.7
Good
530 reviews
Check prices

Overall

7.7

Crew

8.5

Boarding

7.9

Comfort

7.3

Food

6.8

Entertainment

7.0

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.
American Airlines
7.1
Good
11,543 reviews
Air Transat
7.7
Good
530 reviews
Check prices

Overall

7.7

Crew

8.5

Boarding

7.9

Comfort

7.3

Food

6.8

Entertainment

7.0

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
10,872 reviews
Air Transat
7.7
Good
530 reviews
Check prices

Overall

7.7

Crew

8.5

Boarding

7.9

Comfort

7.3

Food

6.8

Entertainment

7.0

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.
Lufthansa
6.8
Okay
7,880 reviews
Air Transat
7.7
Good
530 reviews
Check prices

Overall

7.7

Crew

8.5

Boarding

7.9

Comfort

7.3

Food

6.8

Entertainment

7.0

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
7,839 reviews
Air Transat
7.7
Good
530 reviews
Check prices

Overall

7.7

Crew

8.5

Boarding

7.9

Comfort

7.3

Food

6.8

Entertainment

7.0

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 London to Pierre Elliott Trudeau Intl. 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 London to Montreal Pierre Elliott Trudeau Intl Airport?

    There are many flights that can get you from London to Montreal Pierre Elliott Trudeau Intl Airport in 7h 40m. Fly via Air Transat, Air Canada, or United Airlines to get the fastest option. There are 3258 mi between London and Montreal Pierre Elliott Trudeau Intl Airport. This flight may include one or multiple stops.

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

    According to our current data, Air Transat (£307), United Airlines (£332), and Air Canada (£365) offers the cheapest pricing from London to Montreal Pierre Elliott Trudeau Intl Airport. Air Transat is currently priced 37% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airline one-way is Air Transat, with whom users have recently found tickets for as low as £211. However, be on the lookout for offers from Virgin Atlantic and British Airways, as they are both options that can get you from London to Montreal Pierre Elliott Trudeau Intl Airport for a low price.

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

    The most popular route from London to Montreal Pierre Elliott Trudeau Intl Airport is London Heathrow - Montreal Pierre Elliott Trudeau Intl. You may also consider London Gatwick - Montreal Pierre Elliott Trudeau Intl or London City - Montreal Pierre Elliott Trudeau Intl.

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

    No one likes to see their flight delayed. When booking a flight from London to Montreal Pierre Elliott Trudeau Intl Airport consider choosing Aegean Airlines (96%), Air Canada (90%) or Austrian Airlines (90%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from London to Montreal Pierre Elliott Trudeau Intl Airport is £349. On average you can expect to pay £1,079. The most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), can usually be booked for £438.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Pierre Elliott Trudeau Intl 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 London to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from London to Montreal Pierre Elliott Trudeau Intl Airport (average of £288). Flying from London to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of £390). 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Cornwall
Laval

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Fly from London to Pierre Elliott Trudeau Intl on these airlines

Choose from the following airlines for your flight from London to Pierre Elliott Trudeau Intl. Flights are based on user searches made on Cheapflights and were last updated on 31 March 2026.
Air Canada flights from London to Montreal Pierre Elliott Trudeau Intl
Air Transat flights from London to Montreal Pierre Elliott Trudeau Intl
British Airways flights from London to Montreal Pierre Elliott Trudeau Intl

Top 7 airlines flying from London to Pierre Elliott Trudeau Intl

Discover the top 7 airlines that operate flights from London to Pierre Elliott Trudeau Intl. 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 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£307Average£463FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapest£332Average£501FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£365Average£510FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£387Average£538FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£395Average£766FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£403Average£524FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£431Average£734FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from London to Pierre Elliott Trudeau Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Pierre Elliott Trudeau Intl from London.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Pierre Elliott Trudeau Intl, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for London to Pierre Elliott Trudeau Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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