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Pierre Elliott Trudeau Intl

$394+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 81 days in advance, depart on a Tuesday or Friday 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 septiembre 11, 2025.

Round-trip from

$488
(Kiwi.com)

One-way from

$394
(Delta)

Popular in

August

Cheapest in

May

Average price

$553

Good round-trip deal

$548 or less

Good one-way deal

$605 or less
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. 12% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
mié. 9/246:00 amLHR - YUL
1 stop12h 50mMultiple Airlines
lun. 11/242:00 pmYUL - LHR
1 stop11h 30mMultiple Airlines
Deal found 9/10$488
This Lufthansa deal was found by Cheapflights users on 9/10. 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. 9/239:30 amLHR - YUL
1 stop11h 30mLufthansa
mar. 11/252:00 pmYUL - LHR
1 stop11h 30mLufthansa
Deal found 9/10$490
This Air Canada deal was found by Cheapflights users on 9/10. 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. 9/256:50 amLHR - YUL
1 stop9h 45mAir Canada
dom. 9/288:15 pmYUL - LHR
1 stop10h 35mAir Canada
Deal found 9/10$491
This Delta deal was found by Cheapflights users on 9/10. 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.
jue. 9/188:40 amLHR - YUL
1 stop13h 15mDelta
sáb. 3/288:05 pmYUL - LHR
1 stop12h 40mDelta
Deal found 9/10$493
This Lufthansa deal was found by Cheapflights users on 9/11. 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.
jue. 11/136:35 amLHR - YUL
2 stops16h 48mLufthansa
dom. 11/163:10 pmYUL - LHR
1 stop10h 20mLufthansa
Deal found 9/11$494
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
mié. 9/246:00 amLHR - YUL
1 stop12h 50mMultiple Airlines
mié. 11/264:45 pmYUL - LHR
1 stop10h 20mMultiple Airlines
Deal found 9/10$496
This Delta deal was found by Cheapflights users on 9/11. 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.
jue. 9/1811:45 amLHR - YUL
1 stop10h 10mDelta
sáb. 9/276:50 pmYUL - LHR
1 stop10h 55mDelta
Deal found 9/11$498
This Delta deal was found by Cheapflights users on 9/10. 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.
jue. 9/188:40 amLHR - YUL
1 stop13h 15mDelta
jue. 9/256:50 pmYUL - LHR
1 stop10h 55mDelta
Deal found 9/10$499
This Air Canada deal was found by Cheapflights users on 9/10. 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. 9/226:50 amLHR - YUL
1 stop9h 45mAir Canada
vie. 11/217:10 pmYUL - LHR
Nonstop7h 00mAir Canada
Deal found 9/10$501
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
jue. 9/188:05 pmLHR - YUL
1 stop23h 55mMultiple Airlines
jue. 9/256:05 pmYUL - LHR
1 stop18h 35mMultiple Airlines
Deal found 9/11$508
This Air Canada deal was found by Cheapflights users on 9/10. 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. 9/242:05 pmLHR - YUL
Nonstop7h 10mAir Canada
mar. 11/259:45 pmYUL - LHR
1 stop17h 50mAir Canada
Deal found 9/10$513

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 septiembre 11, 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. 9/23

9:30 am-4:00 pm

1 stop11h 30m

Montreal Pierre Elliott Trudeau Intl

mar. 11/25

2:00 pm-6:30 am

1 stop11h 30m

$490

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mar. 9/23

10:30 am-4:00 pm

1 stop10h 30m

Montreal Pierre Elliott Trudeau Intl

dom. 11/23

3:10 pm-6:30 am

1 stop10h 20m

$490

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

jue. 11/13

6:35 am-6:23 pm

2 stops16h 48m

Montreal Pierre Elliott Trudeau Intl

dom. 11/16

3:10 pm-6:30 am

1 stop10h 20m

$494

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

jue. 9/25

12:40 pm-6:05 pm

1 stop10h 25m

Montreal Pierre Elliott Trudeau Intl

mar. 11/25

5:10 pm-8:30 am

1 stop10h 20m

$520

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

mié. 9/24

3:50 pm-9:40 pm

1 stop10h 50m

Montreal Pierre Elliott Trudeau Intl

mar. 11/25

2:00 pm-8:30 am

1 stop13h 30m

$527

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

vie. 10/31

1:30 pm-2:00 pm

2 stops28h 30m

Montreal Pierre Elliott Trudeau Intl

dom. 11/2

7:00 pm-6:40 am

1 stop30h 40m

$534

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 9/21

7:45 am-11:28 am

2 stops32h 43m

Montreal Pierre Elliott Trudeau Intl

jue. 11/20

8:05 am-6:40 am

2 stops17h 35m

$536

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 12/28

7:40 am-6:20 pm

1 stop15h 40m

Montreal Pierre Elliott Trudeau Intl

mar. 1/6

7:30 pm-7:10 am

Nonstop6h 40m

$536

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 9/21

7:45 am-11:28 am

2 stops32h 43m

Montreal Pierre Elliott Trudeau Intl

sáb. 10/4

4:40 pm-10:40 am

2 stops13h 00m

$537

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

dom. 12/28

8:45 am-6:20 pm

1 stop14h 35m

Montreal Pierre Elliott Trudeau Intl

mié. 1/7

3:10 pm-6:30 am

1 stop10h 20m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 24 results
1
2
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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

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 August 29, 2025.

The best time to book flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is 81 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 septiembre 11, 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 9% versus a flight at noon.

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 septiembre 11, 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
10,000 reviews

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Lufthansa
6.8
Okay
7,409 reviews
Air Canada
7.1
Good
10,000 reviews

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
British Airways
6.7
Okay
7,361 reviews
Air Canada
7.1
Good
10,000 reviews

Overall

7.1

Comfort

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

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?

    Lufthansa and United Airlines can get you from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in just under 10h 30m. Your travel time can differ by up to 18h. 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 Lufthansa, from $528, and Air Canada, from $534. 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 (83%), Austrian Airlines (83%), United Airlines( 83%).

  • 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 $665, our data shows the cheapest flight currently is $507. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $480 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 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
Sherbrooke
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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$463Average$662FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$528Average$741FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$534Average$598FlexibilityNo cancel feeOn-time67%

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