London

$271+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
ago. 19 — ago. 261
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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 57 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 agosto 14, 2025.

Round-trip from

$533
(oojo)

One-way from

$271
(French Bee)

Popular in

December

Cheapest in

May

Average price

$755

Good round-trip deal

$544 or less

Good one-way deal

$262 or less
From Montreal Pierre Elliott Trudeau Intl to London (LON)
One-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON)
Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).

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 agosto 14, 2025.

This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/196:45 amYUL - LGW
1 stop23h 00mAir Transat
mié. 10/2911:40 amLGW - YUL
1 stop16h 55mAir Transat
Deal found 8/14$533
This Lufthansa deal was found by Cheapflights users on 8/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/79:55 pmYUL - LHR
Nonstop6h 40mLufthansa
mié. 10/2911:10 amLHR - YUL
1 stop12h 10mLufthansa
Deal found 8/13$533
This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2710:05 pmYUL - LGW
Nonstop6h 45mAir Transat
dom. 10/511:35 amLGW - YUL
Nonstop7h 40mAir Transat
Deal found 8/13$534
This Air Canada deal was found by Cheapflights users on 8/14. 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.
jue. 10/239:55 pmYUL - LHR
Nonstop6h 40mMultiple Airlines
lun. 10/276:35 amLHR - YUL
1 stop16h 45mMultiple Airlines
Deal found 8/14$534
This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:55 pmYUL - LGW
1 stop10h 50mPorter Airlines
mar. 10/711:35 amLGW - YUL
Nonstop7h 40mPorter Airlines
Deal found 8/13$536
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/279:55 pmYUL - LHR
Nonstop6h 40mAir Canada
dom. 10/56:50 amLHR - YUL
1 stop9h 45mAir Canada
Deal found 8/13$537
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/19:55 pmYUL - LHR
Nonstop6h 40mAir Canada
dom. 10/56:50 amLHR - YUL
1 stop9h 45mAir Canada
Deal found 8/13$538
This Air Transat deal was found by Cheapflights users on 8/13. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2710:05 pmYUL - LGW
Nonstop6h 45mAir Transat
mar. 10/712:40 pmLGW - YUL
1 stop11h 40mAir Transat
Deal found 8/13$539
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/145:10 pmYUL - LHR
1 stop13h 40mAir Canada
dom. 9/286:00 amLHR - YUL
1 stop12h 50mAir Canada
Deal found 8/13$539
This Air Transat deal was found by Cheapflights users on 8/14. 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.
sáb. 9/2710:05 pmYUL - LGW
Nonstop6h 45mAir Transat
sáb. 10/1112:40 pmLGW - YUL
1 stop11h 40mAir Transat
Deal found 8/14$540
This Lufthansa deal was found by Cheapflights users on 8/14. 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.
mar. 9/308:15 pmYUL - LHR
1 stop10h 35mLufthansa
mié. 10/151:45 pmLHR - YUL
1 stop12h 15mLufthansa
Deal found 8/14$540
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:55 pmYUL - LGW
Nonstop10h 50mAir Transat
mar. 10/711:35 amLGW - YUL
Nonstop7h 40mAir Transat
Deal found 8/13$541

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 agosto 14, 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. 10/19

6:45 am-10:45 am

1 stop23h 00m

London Gatwick

mié. 10/29

11:40 am-12:35 am

1 stop16h 55m

$533

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

vie. 10/17

9:55 pm-9:35 am

Nonstop6h 40m

London Heathrow

dom. 10/26

7:40 am-7:20 pm

1 stop15h 40m

$533

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

mar. 10/7

9:55 pm-9:35 am

Nonstop6h 40m

London Heathrow

mié. 10/29

11:10 am-7:20 pm

1 stop12h 10m

$533

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

sáb. 9/27

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

mar. 10/7

12:40 pm-7:20 pm

1 stop11h 40m

$539

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

sáb. 9/27

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

sáb. 10/11

12:40 pm-7:20 pm

1 stop11h 40m

$540

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

lun. 9/29

10:05 pm-9:50 am

Nonstop6h 45m

London Gatwick

sáb. 10/11

12:40 pm-7:20 pm

1 stop11h 40m

$540

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

jue. 10/2

4:00 pm-10:45 am

1 stop13h 45m

London Gatwick

mar. 10/14

11:35 am-2:15 pm

Nonstop7h 40m

$540

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

mar. 9/30

6:55 pm-10:45 am

Nonstop10h 50m

London Gatwick

mar. 10/7

11:35 am-2:15 pm

Nonstop7h 40m

$541

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

sáb. 9/27

7:30 pm-9:00 pm

1 stop20h 30m

London Heathrow

sáb. 10/25

8:25 pm-7:20 pm

1 stop27h 55m

$543

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

dom. 11/23

10:35 am-9:45 am

1 stop18h 10m

London Gatwick

dom. 11/30

11:40 am-12:50 am

1 stop18h 10m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 57 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.

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 August 8, 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 57 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 agosto 14, 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 33% 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 agosto 14, 2025.

The most flights from YUL to LON are scheduled on a Wednesday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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.

Amsterdam (AMS) – 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.

Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of $597.

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 Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 10h 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 agosto 14, 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.

Crew

8.7

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Crew

8.7

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Crew

8.7

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Crew

8.7

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Crew

8.7

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Crew

8.7

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good 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 $498. Other airlines that can offer you cheap pricing are Air Transat, from $527, and Air Canada, from $544. 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?

  • 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 Austrian Airlines (87%), United Airlines (87%) or Lufthansa (87%) 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 $1,660 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London. The cheapest flight overall is $315 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow) is currently priced at $528.

  • 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

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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.

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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$498Average$552FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$527Average$703FlexibilityNo cancel feeOn-time50%
Air CanadaCheapest$544Average$732FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$545Average$764FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$631Average$744FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$690Average$836FlexibilityNo cancel feeOn-time71%

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