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Pierre Elliott Trudeau Intl

$358+ Cheap flights from Heathrow (LHR) to Pierre Elliott Trudeau Intl (YUL)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Montreal Pierre Elliott Trudeau Intl are usually found in May or September, booked 86 days in advance, depart on a Tuesday or Sunday and return on a Sunday

Cheap flight deals from Heathrow to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$575
(Air Canada)

One-way from

$315
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$644

Good round-trip deal

$615 or less

Good one-way deal

$669 or less
Provider with most accurate pricing for London Heathrow-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Montreal Pierre Elliott Trudeau Intl flights.
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From London Heathrow to Montreal Pierre Elliott Trudeau Intl
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One-way flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 13% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
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Find flight deals from Heathrow to Pierre Elliott Trudeau Intl

Cheapest flights from Heathrow to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Heathrow to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Air Canada deal was found by Cheapflights users on 10/29. 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.
Sun 11/169:00 amLHR - YUL
2 stops20h 32mAir Canada
Sun 12/147:30 pmYUL - LHR
Nonstop6h 40mAir Canada
Deal found 10/29$575
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Sun 11/169:00 amLHR - YUL
2 stops20h 32mAir Canada
Mon 12/1512:10 pmYUL - LHR
1 stop13h 20mAir Canada
Deal found 10/29$581
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 11/196:30 amLHR - YUL
2 stops18h 18mUnited Airlines
Tue 11/258:20 amYUL - LHR
2 stops17h 20mUnited Airlines
Deal found 10/30$583
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/48:30 amLHR - YUL
2 stops16h 18mUnited Airlines
Tue 11/118:20 amYUL - LHR
2 stops17h 20mUnited Airlines
Deal found 10/30$584
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/66:50 amLHR - YUL
2 stops33h 48mUnited Airlines
Mon 12/158:20 amYUL - LHR
2 stops21h 30mUnited Airlines
Deal found 10/30$586
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/67:30 amLHR - YUL
2 stops14h 35mUnited Airlines
Mon 12/81:10 pmYUL - LHR
2 stops16h 40mUnited Airlines
Deal found 10/29$588
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 amLHR - YUL
1 stop12h 45mAustrian Airlines
Mon 11/106:35 pmYUL - LHR
1 stop14h 30mAustrian Airlines
Deal found 10/29$589
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 amLHR - YUL
1 stop11h 10mMultiple Airlines
Thu 12/47:30 pmYUL - LHR
Nonstop6h 40mMultiple Airlines
Deal found 10/30$596
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Thu 11/209:00 amLHR - YUL
1 stop11h 10mAir Canada
Sun 12/148:50 amYUL - LHR
1 stop19h 30mAir Canada
Deal found 10/29$597
This Lufthansa deal was found by Cheapflights users on 10/29. 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 12/78:45 amLHR - YUL
1 stop14h 35mLufthansa
Mon 1/127:30 pmYUL - LHR
Nonstop6h 40mLufthansa
Deal found 10/29$600
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Mon 11/1712:05 pmLHR - YUL
2 stops17h 27mAir Canada
Mon 12/157:30 pmYUL - LHR
Nonstop6h 40mAir Canada
Deal found 10/29$603
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Thu 11/209:00 amLHR - YUL
1 stop11h 10mAir Canada
Mon 12/1510:10 amYUL - LHR
1 stop15h 20mAir Canada
Deal found 10/29$604

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 11/19

6:30 am-7:48 pm

2 stops18h 18m

Montreal Pierre Elliott Trudeau Intl

Tue 11/25

8:20 am-6:40 am

2 stops17h 20m

$583

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 12/11

6:35 am-6:23 pm

2 stops16h 48m

Montreal Pierre Elliott Trudeau Intl

Thu 1/8

7:30 pm-7:10 am

Nonstop6h 40m

$600

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 12/5

4:20 pm-2:32 pm

2 stops27h 12m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

9:15 am-6:40 am

1 stop16h 25m

$608

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 12/5

7:30 pm-12:00 pm

1 stop21h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

7:30 pm-7:10 am

Nonstop6h 40m

$621

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 11/27

1:25 pm-4:10 pm

Nonstop7h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 12/4

7:30 pm-7:10 am

Nonstop6h 40m

$630

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 3/19

1:25 pm-5:05 pm

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 3/23

8:10 pm-7:10 am

Nonstop7h 00m

$636

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 1/9

1:25 pm-4:10 pm

Nonstop7h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 1/16

7:30 pm-7:10 am

Nonstop6h 40m

$638

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 11/17

9:00 am-5:20 pm

2 stops13h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

5:00 pm-10:30 am

1 stop12h 30m

$649

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 12/10

8:30 am-7:48 pm

2 stops16h 18m

Montreal Pierre Elliott Trudeau Intl

Thu 1/8

10:50 am-6:40 am

2 stops14h 50m

$649

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 12/5

6:30 am-7:48 pm

2 stops18h 18m

Montreal Pierre Elliott Trudeau Intl

Mon 12/8

3:00 pm-10:50 am

2 stops14h 50m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Heathrow to Pierre Elliott Trudeau Intl

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 Heathrow to Pierre Elliott Trudeau Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*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 London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on October 24, 2025.

The best time to book flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $447). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of $528). 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 LHR to YUL?

Find hourly flight availability from Heathrow 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 October 30, 2025.

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

The best insider tips for London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport 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 London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport trip
Airports
LHR

Heathrow's strict security means long lines. Ensure liquids are in one small bag to avoid delays.

Read more about LHRby Ramsey Qubein
YUL

Use the ArriveCAN app to fill out your arrival declaration card and avoid lines at passport control in Montreal.

Read more about YULby John Walton
Our travel experts
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

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 October 30, 2025.
Read reviews from past customers who have flown Air Canada, Lufthansa, and British Airways from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,380 reviews

Comfort

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
Air Canada
7.1
Good
10,380 reviews
Air Canada
7.1
Good
10,380 reviews

Comfort

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
Lufthansa
6.8
Okay
7,541 reviews
Air Canada
7.1
Good
10,380 reviews

Comfort

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.
British Airways
6.7
Okay
7,487 reviews
Air Canada
7.1
Good
10,380 reviews

Comfort

7.1

Food

6.3

Entertainment

6.8

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

robert,Sep 2025

YEG - YVR

There was nothing that I liked about air canada. My experience was terrible.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    United Airlines, SWISS, and Lufthansa can get you from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in just under 13h 55m. Your travel time can differ by up to 7h 35m. The distance between London Heathrow Airport and Montreal Pierre Elliott Trudeau Intl Airport is about 3239 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip from $463. Other airlines that can offer you cheap pricing are Air Canada, from $513, and Lufthansa, from $528. British Airways is 28% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Egyptair (83%), Air Canada (82%), Austrian Airlines( 82%).

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

    While on average a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is generally $764, our data shows the cheapest flight currently is $426. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $492 for that flight.

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

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

  • How can I find direct flights from Heathrow 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 Heathrow to Pierre Elliott Trudeau Intl.

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

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

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $447). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of $528). 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
Laval
Longueuil
Brossard
Dorval

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Top 3 airlines flying from Heathrow to Pierre Elliott Trudeau Intl

Discover the top 3 airlines that operate flights from Heathrow 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$463Average$670FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$513Average$564FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$528Average$656FlexibilityNo cancel feeOn-time76%

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