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Pierre Elliott Trudeau Intl

$397+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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1. Tell us where you want to go

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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

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 December 16, 2025.

This Finnair deal was found by Cheapflights users on 12/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:45 amLHR - YUL
1 stop15h 54mMultiple Airlines
Thu 1/298:40 pmYUL - LHR
Nonstop6h 50mMultiple Airlines
Deal found 12/16$584
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:45 amLHR - YUL
1 stop14h 35mLufthansa
Tue 1/131:15 pmYUL - LHR
1 stop26h 20mLufthansa
Deal found 12/14$587
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:10 amLHR - YUL
1 stop12h 10mLufthansa
Mon 1/123:10 pmYUL - LHR
1 stop10h 20mLufthansa
Deal found 12/14$591
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amLHR - YUL
1 stop14h 10mMultiple Airlines
Wed 1/143:10 pmYUL - LHR
1 stop10h 20mMultiple Airlines
Deal found 12/15$595
This SWISS deal was found by Cheapflights users on 12/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amLHR - YUL
1 stop14h 10mSWISS
Wed 1/144:35 pmYUL - LHR
2 stops15h 25mSWISS
Deal found 12/15$606
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amLHR - YUL
1 stop14h 10mMultiple Airlines
Mon 1/126:45 pmYUL - LHR
1 stop10h 20mMultiple Airlines
Deal found 12/15$608
This Air Canada deal was found by Cheapflights users on 12/14. 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.
Mon 12/159:00 amLHR - YUL
2 stops19h 22mAir Canada
Fri 1/167:30 pmYUL - LHR
Nonstop6h 40mAir Canada
Deal found 12/14$611
This SWISS deal was found by Cheapflights users on 12/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amLHR - YUL
1 stop14h 10mSWISS
Thu 1/158:15 pmYUL - LHR
1 stop12h 25mSWISS
Deal found 12/15$614

Find 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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$584
(Air Canada)

One-way from

$397
(KLM)

Popular in

August

Cheapest in

May

Average price

$742

Good round-trip deal

$708 or less

Good one-way deal

$594 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. 10% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in December 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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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 December 16, 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

Fri 2/13

6:50 am-12:46 pm

2 stops34h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 2/17

8:20 am-10:50 am

2 stops21h 30m

$600

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 5/20

6:00 am-8:45 pm

1 stop19h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 5/31

10:45 pm-5:45 pm

1 stop14h 00m

$606

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 1/21

6:00 am-3:10 pm

1 stop14h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 1/28

4:35 pm-1:00 pm

2 stops15h 25m

$614

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 1/29

6:35 am-6:23 pm

2 stops16h 48m

Montreal Pierre Elliott Trudeau Intl

Thu 2/5

8:10 pm-1:00 pm

1 stop11h 50m

$623

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 1/8

4:20 pm-7:32 am

2 stops20h 12m

Montreal Pierre Elliott Trudeau Intl

Tue 1/20

3:00 pm-8:25 am

1 stop12h 25m

$630

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 1/14

10:25 am-2:00 pm

1 stop32h 35m

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

10:25 am-10:50 am

2 stops19h 25m

$630

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 1/13

4:20 pm-7:32 am

2 stops20h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 1/19

6:00 am-5:55 am

1 stop18h 55m

$630

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 1/10

4:20 pm-12:02 pm

2 stops24h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 1/17

7:00 pm-10:50 am

1 stop10h 50m

$630

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 1/12

4:20 pm-7:32 am

2 stops20h 12m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

3:00 pm-9:10 am

1 stop13h 10m

$630

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 1/12

12:05 pm-11:30 am

1 stop28h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

10:25 am-10:50 am

2 stops19h 25m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 23 results
1
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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 December.
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 December 12, 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 July is currently the most expensive (average of $513). 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 December 16, 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

AI-powered summary based on content written by travel experts. AI can make mistakes.
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 December 16, 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
10,531 reviews

Entertainment

6.8

Crew

7.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SIN - YVR

In the last portion of flight Singapore -Miami after a 14 hr flight, then the flight from Vancouver -Miami they were selling the food very ugly portion for a flight of 6 hours regardless if you treat that flight as domestic , I was impressed with the service but now l will not book a flight with air Canada
Air Canada
7.1
Good
10,531 reviews
Air Canada
7.1
Good
10,531 reviews

Entertainment

6.8

Crew

7.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SIN - YVR

In the last portion of flight Singapore -Miami after a 14 hr flight, then the flight from Vancouver -Miami they were selling the food very ugly portion for a flight of 6 hours regardless if you treat that flight as domestic , I was impressed with the service but now l will not book a flight with air Canada
Lufthansa
6.8
Okay
7,632 reviews
Air Canada
7.1
Good
10,531 reviews

Entertainment

6.8

Crew

7.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SIN - YVR

In the last portion of flight Singapore -Miami after a 14 hr flight, then the flight from Vancouver -Miami they were selling the food very ugly portion for a flight of 6 hours regardless if you treat that flight as domestic , I was impressed with the service but now l will not book a flight with air Canada
British Airways
6.7
Okay
7,583 reviews
Air Canada
7.1
Good
10,531 reviews

Entertainment

6.8

Crew

7.8

Overall

7.1

Food

6.3

Boarding

7.3

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SIN - YVR

In the last portion of flight Singapore -Miami after a 14 hr flight, then the flight from Vancouver -Miami they were selling the food very ugly portion for a flight of 6 hours regardless if you treat that flight as domestic , I was impressed with the service but now l will not book a flight with air Canada

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, TAP AIR PORTUGAL, and SWISS can get you from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in just under 14h 10m. Your travel time can differ by up to 20h 46m. 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: Air Canada (99%), Austrian Airlines (99%), United Airlines( 99%).

  • 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 $803, our data shows the cheapest flight currently is $452. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $596 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 July is currently the most expensive (average of $513). 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 December 16, 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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