HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$304+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pierre Elliott Trudeau Intl to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in October or May, booked 80 days in advance, depart on a Saturday or Thursday 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 April 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$534
(Air Transat)

One-way from

$314
(French Bee)

Popular in

December

Cheapest in

October

Average price

$710

Good round-trip deal

$521 or less

Good one-way deal

$341 or less
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-London (LON) flights.
Search Deals
From Montreal Pierre Elliott Trudeau Intl to London (LON)
Search Deals
One-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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

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 April 15, 2025.

This Air Transat deal was found by Cheapflights users on 4/15. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:05 pmYUL - LGW
Nonstop6h 45mAir Transat
Wed 5/2811:35 amLGW - YUL
Nonstop7h 40mAir Transat
Deal found 4/15$504
This Porter Airlines deal was found by Cheapflights users on 4/15. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1010:05 pmYUL - LGW
Nonstop6h 45mPorter Airlines
Tue 6/1711:35 amLGW - YUL
Nonstop7h 40mPorter Airlines
Deal found 4/15$533
This Lufthansa deal was found by Cheapflights users on 4/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2110:25 pmYUL - LHR
Nonstop6h 35mMultiple Airlines
Thu 6/126:50 amLHR - YUL
1 stop9h 40mMultiple Airlines
Deal found 4/15$539
This Air Canada deal was found by Cheapflights users on 4/14. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:25 pmYUL - LHR
Nonstop6h 35mAir Canada
Wed 5/146:50 amLHR - YUL
1 stop9h 55mAir Canada
Deal found 4/14$545
This Lufthansa deal was found by Cheapflights users on 4/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1010:25 pmYUL - LHR
Nonstop6h 35mLufthansa
Fri 6/279:30 amLHR - YUL
Nonstop7h 10mLufthansa
Deal found 4/14$549
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/910:00 pmYUL - LHR
Nonstop6h 40mAmerican Airlines
Sat 5/176:05 pmLHR - YUL
Nonstop7h 10mAmerican Airlines
Deal found 4/14$557
This British Airways deal was found by Cheapflights users on 4/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/910:00 pmYUL - LHR
Nonstop6h 40mBritish Airways
Mon 5/196:05 pmLHR - YUL
Nonstop7h 10mBritish Airways
Deal found 4/14$567
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/222:20 pmYUL - LHR
1 stop15h 20mUnited Airlines
Wed 5/289:30 amLHR - YUL
1 stop12h 29mUnited Airlines
Deal found 4/14$614
This Connections by easyJet deal was found by Cheapflights users on 4/15. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1511:25 pmYUL - LGW
1 stop15h 15mMultiple Airlines
Sun 5/188:15 amLGW - YUL
1 stop13h 00mMultiple Airlines
Deal found 4/15$631
This KLM deal was found by Cheapflights users on 4/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:50 pmYUL - LHR
1 stop18h 00mKLM
Wed 5/147:15 pmLHR - YUL
1 stop26h 40mKLM
Deal found 4/14$634
This Delta deal was found by Cheapflights users on 4/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/205:00 pmYUL - LHR
1 stop12h 30mDelta
Fri 5/3011:45 amLHR - YUL
1 stop10h 10mDelta
Deal found 4/13$635
This Lufthansa deal was found by Cheapflights users on 4/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2510:50 pmYUL - LCY
2 stops14h 45mLufthansa
Wed 6/48:45 amLCY - YUL
1 stop32h 25mLufthansa
Deal found 4/14$650

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 April 15, 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

Thu 5/22

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

Wed 5/28

11:35 am-2:15 pm

Nonstop7h 40m

$504

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

Tue 6/17

11:35 am-2:15 pm

Nonstop7h 40m

$533

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 6/5

10:25 pm-10:00 am

Nonstop6h 35m

London Heathrow

Wed 6/18

6:50 am-11:30 am

1 stop9h 40m

$539

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 6/5

10:25 pm-10:00 am

Nonstop6h 35m

London Heathrow

Wed 6/18

9:30 am-11:40 am

Nonstop7h 10m

$547

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 5/10

10:25 pm-10:00 am

Nonstop6h 35m

London Heathrow

Fri 6/27

9:30 am-11:40 am

Nonstop7h 10m

$549

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 5/22

10:05 pm-9:45 am

Nonstop6h 40m

London Heathrow

Mon 5/26

6:05 pm-8:15 pm

Nonstop7h 10m

$551

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

10:00 pm-9:40 am

Nonstop6h 40m

London Heathrow

Sat 5/17

6:05 pm-8:15 pm

Nonstop7h 10m

$557

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 5/22

9:15 am-10:40 am

1 stop20h 25m

London Heathrow

Sat 5/31

9:30 am-4:59 pm

1 stop12h 29m

$614

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 5/15

11:25 pm-7:40 pm

1 stop15h 15m

London Gatwick

Sun 5/18

8:15 am-4:15 pm

1 stop13h 00m

$631

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 5/3

6:50 pm-5:50 pm

1 stop18h 00m

London Heathrow

Wed 5/14

7:15 pm-4:55 pm

1 stop26h 40m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 48 results
1
2
3
...
5

Compare providers for flights from Pierre Elliott Trudeau Intl to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to London in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
OvagoPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-London flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-London flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-London flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 up to 72 hours before departure for a smoother experience.

Read more about YULby John Walton
LHR

Take the Heathrow Express for the fastest route to central London, 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 April 11, 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 $1,110). 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 April 15, 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 35% 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 April 15, 2025.

The most flights from YUL to LON are scheduled on a Tuesday (18 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 15, 2025.
To help decide which airline to fly from Montreal to London, see what other customers have to say about Delta, Porter Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,918 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
281 reviews
Delta
8.0
Very good
7,918 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,918 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,918 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very good
7,918 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $534. Other airlines that can offer you cheap pricing are Air Canada, from $545, and Lufthansa, from $549. Users have found that Air Transat is 25% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to London are Porter Airlines ($343), Air Transat ($354), and WestJet ($420).

  • 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 City or Montreal Pierre Elliott Trudeau Intl - London Gatwick, 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 Thai Airways (100%), Air Canada (81%) or Austrian Airlines (81%) 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 $1,477 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London. The cheapest flight overall is $462 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at $484.

  • 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 $1,110). 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Wembley
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Milton Keynes
Chelmsford
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$500Average$554FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$527Average$772FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$576Average$774FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$618Average$771FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$644Average$750FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$715Average$876FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.