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$263+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to London (LON)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in May or October, booked 80 days in advance, depart on a Saturday or Sunday and return on a Tuesday

Cheap 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 septiembre 17, 2025.

Round-trip from

$531
(Air Transat)

One-way from

$263
(Booking.com)

Popular in

December

Cheapest in

May

Average price

$658

Good round-trip deal

$586 or less

Good one-way deal

$287 or less
From Montreal Pierre Elliott Trudeau Intl to London (LON)
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One-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON)
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Highest demand for flights based on searches. 5% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
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Find flight deals from Pierre Elliott Trudeau Intl to London

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 septiembre 17, 2025.

This Air Transat deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/46:45 amYUL - LGW
1 stop23h 00mAir Transat
sáb. 10/1112:40 pmLGW - YUL
1 stop11h 40mAir Transat
Deal found 9/17$531
This French Bee deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure French Bee is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1711:00 pmYUL - LGW
1 stop14h 55mMultiple Airlines
mié. 11/197:55 amLGW - YUL
1 stop16h 45mMultiple Airlines
Deal found 9/16$533
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1010:35 amYUL - LGW
1 stop18h 10mAir Transat
vie. 11/2111:40 amLGW - YUL
1 stop11h 45mAir Transat
Deal found 9/17$534
This Air Transat deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:00 pmYUL - LGW
1 stop11h 45mAir Transat
vie. 11/2811:40 amLGW - YUL
1 stop11h 45mAir Transat
Deal found 9/14$535
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/303:10 pmYUL - LGW
1 stop14h 35mAir Transat
jue. 10/911:35 amLGW - YUL
Nonstop7h 40mAir Transat
Deal found 9/15$541
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/255:25 pmYUL - LGW
1 stop11h 20mAir Transat
dom. 11/3011:40 amLGW - YUL
1 stop11h 45mAir Transat
Deal found 9/15$545
This Air Transat deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2910:05 pmYUL - LGW
Nonstop6h 45mAir Transat
vie. 11/2811:40 amLGW - YUL
1 stop11h 45mAir Transat
Deal found 9/14$546
This Air Transat deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/62:30 pmYUL - LGW
1 stop14h 15mAir Transat
mar. 11/1111:40 amLGW - YUL
1 stop11h 45mAir Transat
Deal found 9/16$547
This Air Transat deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2910:05 pmYUL - LGW
Nonstop6h 45mAir Transat
vie. 10/1011:35 amLGW - YUL
Nonstop7h 40mAir Transat
Deal found 9/16$548
This Air Transat deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/302:30 pmYUL - LGW
1 stop14h 15mAir Transat
jue. 12/411:40 amLGW - YUL
1 stop11h 45mAir Transat
Deal found 9/17$549
This Air Transat deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/410:05 pmYUL - LGW
Nonstop6h 45mAir Transat
mié. 10/2911:40 amLGW - YUL
1 stop14h 30mAir Transat
Deal found 9/17$550
This Air Transat deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2110:05 pmYUL - LGW
Nonstop6h 45mAir Transat
jue. 10/911:35 amLGW - YUL
Nonstop7h 40mAir Transat
Deal found 9/17$551

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated septiembre 17, 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

Pierre Elliott Trudeau Intl

Fly to

London

Route

Depart

Return

Price

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

dom. 9/21

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

vie. 10/10

11:35 am-2:15 pm

Nonstop7h 40m

$551

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun. 9/22

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

jue. 10/9

11:35 am-2:15 pm

Nonstop7h 40m

$551

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun. 9/22

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

vie. 10/10

11:35 am-2:15 pm

Nonstop7h 40m

$551

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

dom. 9/28

6:45 am-10:45 am

1 stop23h 00m

London Gatwick

vie. 10/31

11:40 am-10:10 pm

1 stop14h 30m

$556

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

mié. 9/24

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

sáb. 10/11

12:40 pm-7:20 pm

1 stop11h 40m

$557

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun. 10/13

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

mié. 10/22

12:40 pm-12:37 am

1 stop16h 57m

$567

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun. 9/22

11:00 pm-7:10 pm

1 stop15h 10m

London Gatwick

dom. 10/12

7:40 am-9:00 pm

1 stop18h 20m

$583

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

sáb. 9/20

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

jue. 10/9

11:35 am-2:15 pm

Nonstop7h 40m

$583

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

mar. 9/30

6:55 pm-10:45 am

1 stop10h 50m

London Gatwick

vie. 10/31

11:40 am-10:10 pm

1 stop14h 30m

$612

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

jue. 10/2

6:45 am-10:45 am

1 stop23h 00m

London Gatwick

mié. 10/29

11:40 am-10:10 pm

1 stop14h 30m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to London flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to London trip
Airlines
Air Canada

Air Canada offers complimentary meals for all fare classes on international flights.


Preferred Seats offer up to four inches of extra space, bookable for a fee in any fare class.

Read more about Air Canadaby Jessica Macdonald
British Airways

BA's World Traveller Plus offers extra seat width and legroom, ideal for more comfort on long-haul flights.


BA's Club Suite offers solo pods with a door, providing privacy on long-haul flights.

Read more about British Airwaysby Gabriel Leigh
Airports
YUL

Use YULExpress to pre-book security fast track, available up to 72 hours before departure, for a smoother experience.

Read more about YULby John Walton
LHR

Take the Heathrow Express to quickly reach central London from LHR, arriving at Paddington Station.

Read more about LHRby Ramsey Qubein
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
John Walton

John Walton

Expert on YUL

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 round-trip 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 round-trip flight from Pierre Elliott Trudeau Intl to London. Price data was last updated on September 12, 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of $661). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in June is currently the most expensive (average of $1,097). 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 septiembre 17, 2025.

It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to London at noon. Doing so could potentially save you 32% on the flight price compared to flying in the evening, which is usually more expensive.

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 septiembre 17, 2025.

The most flights from YUL to LON are scheduled on a Wednesday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

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

Share of 1-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Lisbon (LIS) – chosen by Cheapflights users on 40% of 1-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London on Cheapflights.

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

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $762.

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

Shortest average travel time for 1-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 layover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for 1-stop routes: 9h 00m.

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

Average layover duration for 1-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 Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 0h 55m.

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 septiembre 17, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Air Transat, and Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to London 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.
Porter Airlines
7.9
Good
365 reviews

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
439 reviews
Porter Airlines
7.9
Good
365 reviews

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Lufthansa
6.8
Okay
7,409 reviews
Porter Airlines
7.9
Good
365 reviews

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
British Airways
6.7
Okay
7,367 reviews
Porter Airlines
7.9
Good
365 reviews

Overall

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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?

    For as low as $551, Air Transat can have you in London from Montreal Pierre Elliott Trudeau Intl Airport in 6h 45m. Montreal Pierre Elliott Trudeau Intl Airport and London are separated by a distance of 3258 mi. Both multi-stop and nonstop 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?

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to London round-trip from $498. Other airlines that can offer you cheap pricing are Air Transat, from $526, and Air Canada, from $543. Users have found that Porter Airlines is 28% cheaper than the other options available to this destination.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London City, Montreal Pierre Elliott Trudeau Intl - London Heathrow is the most popular route from Montreal Pierre Elliott Trudeau Intl Airport to London.

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

    No one likes to see their flight delayed. When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to London consider choosing American Airlines (69%), Aer Lingus (69%) or Finnair (69%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,323 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London. The cheapest flight overall is $459 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at $492.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of $661). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in June is currently the most expensive (average of $1,097). 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

Traveling to a place near London?

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Alternative routes for Pierre Elliott Trudeau Intl to London

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Gatwick flights

Top 6 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 6 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 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$498Average$554FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$526Average$752FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$543Average$730FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$545Average$765FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$582Average$837FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$588Average$747FlexibilityNo cancel feeOn-time70%

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