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Pierre Elliott Trudeau Intl

$400+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
mai 4 — mai 111
dim. 5/4
dim. 5/11
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 September or May, booked 49 days in advance, depart on a Monday or Saturday and return on a Thursday

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 avril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$482
(Expedia)

One-way from

$400
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$636

Good round-trip deal

$480 or less

Good one-way deal

$613 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. 14% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in April 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 avril 29, 2025.

This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/99:30 amLHR - YUL
1 stop11h 30mLufthansa
mar. 9/239:55 pmYUL - LHR
Nonstop6h 40mLufthansa
Deal found 4/29$482
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/68:45 amLHR - YUL
1 stop11h 15mSWISS
mar. 5/134:40 pmYUL - LHR
1 stop13h 45mSWISS
Deal found 4/29$486
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2610:25 amLHR - YUL
2 stops30h 45mAustrian Airlines
lun. 9/16:35 pmYUL - LHR
1 stop33h 25mAustrian Airlines
Deal found 4/29$498
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/276:05 pmLHR - YUL
Nonstop7h 10mAmerican Airlines
mar. 6/310:10 pmYUL - LHR
Nonstop6h 40mAmerican Airlines
Deal found 4/29$499
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/128:55 pmLHR - YUL
1 stop25h 00mKLM
lun. 6/166:50 pmYUL - LHR
1 stop19h 35mKLM
Deal found 4/29$500
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/311:45 amLHR - YUL
1 stop10h 10mDelta
mer. 6/1811:00 amYUL - LHR
1 stop17h 15mDelta
Deal found 4/29$511
This Lufthansa deal was found by Cheapflights users on 4/29. 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.
mer. 5/1410:30 amLHR - YUL
1 stop10h 30mMultiple Airlines
mer. 5/214:40 pmYUL - LHR
1 stop10h 15mMultiple Airlines
Deal found 4/29$512
This Virgin Atlantic deal was found by Cheapflights users on 4/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/308:40 amLHR - YUL
2 stops19h 39mVirgin Atlantic
lun. 6/96:50 pmYUL - LHR
1 stop10h 55mVirgin Atlantic
Deal found 4/29$530
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 9/96:30 amLHR - YUL
2 stops15h 30mUnited Airlines
mar. 9/233:41 pmYUL - LHR
1 stop10h 34mUnited Airlines
Deal found 4/29$549
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/316:05 pmLHR - YUL
Nonstop7h 10mBritish Airways
jeu. 9/1110:05 pmYUL - LHR
Nonstop6h 40mBritish Airways
Deal found 4/29$614
This Air Canada deal was found by Cheapflights users on 4/29. 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.
lun. 5/59:30 amLHR - YUL
Nonstop7h 10mAir Canada
mar. 5/136:55 pmYUL - LHR
Nonstop6h 35mAir Canada
Deal found 4/29$635

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 avril 29, 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

mar. 9/9

9:30 am-4:00 pm

1 stop11h 30m

Montreal Pierre Elliott Trudeau Intl

mar. 9/23

9:55 pm-9:35 am

Nonstop6h 40m

$482

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mer. 9/3

8:05 pm-8:53 pm

2 stops29h 48m

Montreal Pierre Elliott Trudeau Intl

ven. 9/12

8:30 pm-8:15 am

1 stop30h 45m

$487

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mar. 8/26

6:00 am-12:10 pm

2 stops35h 10m

Montreal Pierre Elliott Trudeau Intl

mar. 9/2

6:35 pm-8:20 am

1 stop32h 45m

$498

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mar. 5/27

6:05 pm-8:15 pm

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

mar. 6/3

10:10 pm-9:50 am

Nonstop6h 40m

$499

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

jeu. 6/12

8:55 pm-4:55 pm

1 stop25h 00m

Montreal Pierre Elliott Trudeau Intl

lun. 6/16

6:50 pm-7:25 pm

1 stop19h 35m

$500

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mar. 6/3

11:45 am-4:55 pm

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

mer. 6/18

11:00 am-9:15 am

1 stop17h 15m

$511

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mer. 5/14

10:30 am-4:00 pm

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

mer. 5/21

4:40 pm-7:55 am

1 stop10h 15m

$512

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

ven. 5/30

8:40 am-11:19 pm

2 stops19h 39m

Montreal Pierre Elliott Trudeau Intl

lun. 6/9

6:50 pm-10:45 am

1 stop10h 55m

$530

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mar. 9/9

6:30 am-5:00 pm

2 stops15h 30m

Montreal Pierre Elliott Trudeau Intl

mar. 9/23

3:41 pm-7:15 am

1 stop10h 34m

$549

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

ven. 5/9

9:30 am-11:40 am

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

mer. 5/14

6:55 pm-6:30 am

Nonstop6h 35m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 results
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice 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 London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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 all 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 on the plane, avoiding lines at passport control.

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

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 April 25, 2025.

The best time to book flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is 49 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 avril 29, 2025.

When flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 3% versus a flight at noon.

Weekly flight availability from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Heathrow to Pierre Elliott Trudeau Intl. 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 avril 29, 2025.

The most flights from LHR to YUL are scheduled on a Tuesday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 avril 29, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Azores Airlines from London to Montreal to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • 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 $482. Other airlines that can offer you cheap pricing are SWISS, from $487, and Austrian Airlines, from $498. Lufthansa is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $441 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Aer Lingus from $515 and Lufthansa from $542 one-way.

  • 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: Aegean Airlines (93%), Air Canada (86%), Austrian Airlines( 86%).

  • 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 $1,135, our data shows the cheapest flight currently is $418. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $509 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Laval
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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 avril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$528Average$842FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$537Average$665FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$607Average$847FlexibilityNo cancel feeOn-time70%

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