Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from £228

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 Wednesday or Tuesday 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 12 September 2025.

Round-trip from

£357

One-way from

£228

Popular in

August

Cheapest in

May

Average price

£408

Good round-trip deal

£470 or less

Good one-way deal

£493 or less
Air Canada
  • Air Canada
  • 6/2-9/2
  • Nonstop
  • 14h 00m total
  • London to Montreal
13/11
  • 13/11
  • 1 total stop
  • 33h 25m total
  • London to Montreal
Highest demand for flights based on searches. 12% potential increase in price (£51 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.

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 12 September 2025.

Thu 30/1006:50LHR - YUL
1 stop9h 55mAir Canada
Wed 5/1116:45YUL - LHR
1 stop15h 15mAir Canada
Deal found 11/9£360
Wed 24/906:00LHR - YUL
1 stop12h 50mMultiple Airlines
Sun 9/1119:10YUL - LHR
Nonstop7h 00mMultiple Airlines
Deal found 10/9£360
Fri 26/909:30LHR - YUL
Nonstop7h 10mAir Canada
Mon 29/920:15YUL - LHR
1 stop10h 35mAir Canada
Deal found 10/9£361
Tue 23/909:30LHR - YUL
1 stop11h 30mLufthansa
Tue 25/1114:00YUL - LHR
1 stop11h 30mLufthansa
Deal found 10/9£362
Wed 17/906:30LHR - YUL
1 stop14h 30mLufthansa
Mon 22/918:05YUL - LHR
1 stop11h 35mLufthansa
Deal found 11/9£362
Thu 18/906:00LHR - YUL
1 stop12h 50mAustrian Airlines
Tue 7/1015:00YUL - LHR
1 stop10h 35mAustrian Airlines
Deal found 10/9£363
Fri 19/906:00LHR - YUL
1 stop14h 00mAir Canada
Sat 27/921:55YUL - LHR
Nonstop6h 40mAir Canada
Deal found 11/9£364
Thu 13/1106:35LHR - YUL
2 stops16h 48mLufthansa
Sun 16/1115:10YUL - LHR
1 stop10h 20mLufthansa
Deal found 11/9£365
Wed 24/906:00LHR - YUL
1 stop12h 50mMultiple Airlines
Wed 26/1116:45YUL - LHR
1 stop10h 20mMultiple Airlines
Deal found 10/9£366
Thu 18/918:40LHR - YUL
1 stop25h 20mMultiple Airlines
Sat 27/906:15YUL - LHR
1 stop21h 05mMultiple Airlines
Deal found 10/9£367
Mon 27/1017:50LHR - YUL
1 stop22h 55mMultiple Airlines
Wed 5/1116:45YUL - LHR
1 stop15h 15mMultiple Airlines
Deal found 10/9£368

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 12 September 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

Mon 1/12

08:45-18:20

1 stop14h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

15:10-06:30

1 stop10h 20m

£360

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 13/11

06:35-18:23

2 stops16h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

15:10-06:30

1 stop10h 20m

£365

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 2/12

20:15-12:00

2 stops20h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

15:10-06:30

1 stop10h 20m

£376

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 2/12

13:25-16:10

Nonstop7h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

19:30-07:10

Nonstop6h 40m

£379

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 31/10

13:30-14:00

2 stops28h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

19:00-06:40

1 stop30h 40m

£394

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 26/11

06:30-19:48

2 stops18h 18m

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

15:00-10:50

2 stops14h 50m

£395

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 31/10

07:30-19:48

2 stops16h 18m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

14:13-09:10

2 stops13h 57m

£395

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 5/2

07:30-19:48

2 stops17h 18m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

13:35-09:10

2 stops14h 35m

£395

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 23/9

07:30-17:00

2 stops14h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

15:41-10:40

2 stops13h 59m

£395

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 29/9

06:50-17:00

2 stops15h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

15:25-10:40

2 stops14h 15m

£396

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 22 results
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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 return 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 return flight from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on 29 August 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of £475). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of £743). 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 12 September 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on 7 September 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 12 September 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, such as Finnair, Air France, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

Comfort

7.5

Entertainment

6.9

Overall

7.6

Food

6.7

Crew

8.1

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

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?

    Departing from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport will take you 14h 35m. London Heathrow Airport and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 3239 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Our cheapest airline available from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is Air France. Our recent data shows that you can find tickets from as low as £95 on this airline. Additional options worth looking into are Virgin Atlantic and Air Transat, starting at £257 and £317 round-trip. Air France is priced at 80% lower than the current average price of a flight leaving 3 months from now.

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

    Consider Air Canada (83%), Austrian Airlines (83%) or United Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport.

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

    Looking at all options, your cheapest flight can be booked for £381. While the most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl) can be booked for £338 on average, our data indicates £1,036 when flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of £475). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of £743). 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

Travelling 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
Cornwall
Laval
Dorval

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Alternative routes for Heathrow to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Heathrow to Pierre Elliott Trudeau Intl

Discover the top 9 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 858,174 searches. Data last updated 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£95Average£463FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£257Average£716FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air TransatCheapest£317Average£483FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapest£324Average£550FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapest£333Average£532FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£367Average£481FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£373Average£495FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£373Average£522FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£395Average£579FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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How does Cheapflights help users find flights from Heathrow to Pierre Elliott Trudeau Intl?

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Yes! Cheapflights helps users easily find flights from Heathrow to Pierre Elliott Trudeau Intl with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Pierre Elliott Trudeau Intl become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Pierre Elliott Trudeau Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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