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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £235

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in October or September, booked 39 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Heathrow (LHR). 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 29 April 2025.

Round-trip from

£389

One-way from

£235

Popular in

December

Cheapest in

October

Average price

£541

Good round-trip deal

£498 or less

Good one-way deal

£532 or less
Air Canada
  • Air Canada
  • 10/5-14/5
  • 1 total stop
  • 17h 55m total
  • Montreal to London
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3/9
  • 3/9
  • 1 total stop
  • 10h 15m total
  • Montreal to London
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Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return 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 Montreal Pierre Elliott Trudeau Intl to London Heathrow.
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.
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Find flight deals from Pierre Elliott Trudeau Intl to Heathrow

Cheapest flights from Pierre Elliott Trudeau Intl to Heathrow
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Mon 9/622:25YUL - LHR
Nonstop6h 35mAir Canada
Tue 17/609:30LHR - YUL
Nonstop7h 10mAir Canada
Deal found 29/4£393
Mon 1/922:45YUL - LHR
1 stop14h 00mTAP AIR PORTUGAL
Wed 10/906:00LHR - YUL
1 stop19h 45mTAP AIR PORTUGAL
Deal found 29/4£400
Sat 24/522:25YUL - LHR
Nonstop6h 35mLufthansa
Sat 7/609:30LHR - YUL
Nonstop7h 10mLufthansa
Deal found 29/4£406
Mon 12/522:25YUL - LHR
Nonstop6h 35mMultiple Airlines
Mon 26/518:40LHR - YUL
2 stops22h 30mMultiple Airlines
Deal found 28/4£419
Thu 29/522:05YUL - LHR
Nonstop6h 40mBritish Airways
Mon 2/618:05LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 28/4£426
Sat 24/511:23YUL - LHR
2 stops18h 17mUnited Airlines
Fri 30/509:30LHR - YUL
1 stop12h 30mUnited Airlines
Deal found 29/4£444
Sun 15/622:25YUL - LHR
Nonstop6h 35mAustrian Airlines
Fri 20/606:00LHR - YUL
1 stop12h 50mAustrian Airlines
Deal found 28/4£469
Sat 24/512:30YUL - LHR
1 stop15h 35mAmerican Airlines
Fri 13/615:30LHR - YUL
1 stop25h 00mAmerican Airlines
Deal found 28/4£475
Fri 28/1117:00YUL - LHR
1 stop10h 00mDelta
Thu 4/1209:00LHR - YUL
1 stop11h 30mDelta
Deal found 28/4£480

Cheapflights Fare Finder

Customise your flight search to find flights from Pierre Elliott Trudeau Intl to Heathrow 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 29 April 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Heathrow

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

22:25-10:00

Nonstop6h 35m

London Heathrow

Wed 14/5

08:40-15:00

1 stop11h 20m

£389

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

22:45-22:00

1 stop18h 15m

London Heathrow

Tue 24/6

19:50-20:45

1 stop29h 55m

£391

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 12/6

22:25-10:00

Nonstop6h 35m

London Heathrow

Thu 19/6

09:30-11:40

Nonstop7h 10m

£397

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

22:25-10:00

Nonstop6h 35m

London Heathrow

Thu 15/5

09:30-11:40

Nonstop7h 10m

£406

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 29/5

22:05-09:45

Nonstop6h 40m

London Heathrow

Mon 2/6

18:05-20:15

Nonstop7h 10m

£426

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 24/5

11:23-10:40

2 stops18h 17m

London Heathrow

Fri 30/5

09:30-17:00

1 stop12h 30m

£444

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 15/5

22:05-09:45

Nonstop6h 40m

London Heathrow

Thu 29/5

18:05-20:15

Nonstop7h 10m

£450

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

14:10-21:40

2 stops26h 30m

London Heathrow

Tue 13/5

19:30-11:45

2 stops45h 15m

£489

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 9/6

18:50-10:45

1 stop10h 55m

London Heathrow

Sun 15/6

08:40-16:55

1 stop13h 15m

£503

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

18:50-19:30

1 stop19h 40m

London Heathrow

Sat 18/10

11:45-23:08

1 stop16h 23m

£506

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 20 results
1
2

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

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

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

Use this chart to determine the optimal time to book a return flight from Pierre Elliott Trudeau Intl to Heathrow. Price data was last updated on 25 April 2025.

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of £112). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 YUL to LHR?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

One of the essential ways to save on airfare from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 6% on airfare.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 29 April 2025.
To help decide which airline to fly from Montreal to London, see what other customers have to say about Delta, Azores Airlines and Austrian Airlines. 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.
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Heathrow. 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 Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport round-trip?

    Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is Air Canada. Our recent data shows that you can find tickets from as low as £389 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Lufthansa, starting at £391 and £406 round-trip. These flights start at 30% lower than the current average price 3 months from now.

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

    The cheapet airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport are TAP AIR PORTUGAL (£242), Virgin Atlantic (£292), and Air Canada (£325).

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

    Consider Thai Airways (82%), Air Canada (75%) or Austrian Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport.

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

    The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is £369. On average you can expect to pay £562. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £367.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Heathrow.

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

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

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of £112). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

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Alternative routes for Pierre Elliott Trudeau Intl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Stansted flights

Top 3 airlines flying from Pierre Elliott Trudeau Intl to Heathrow

Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl to Heathrow. 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£412Average£529FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£414Average£663FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£596Average£624FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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