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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £200

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in October or May, booked 70 days in advance, depart on a Sunday or Tuesday 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 11 July 2025.

Round-trip from

£397

One-way from

£200

Popular in

December

Cheapest in

October

Average price

£628

Good round-trip deal

£517 or less

Good one-way deal

£427 or less
Air Canada
  • Air Canada
  • 10/10-20/10
  • 1 total stop
  • 17h 55m total
  • Montreal to London
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 13/10
  • 1 total stop
  • 15h 05m total
  • Montreal to London
Highest demand for flights based on searches. 4% potential increase in price (£17 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.

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 11 July 2025.

Fri 10/1018:15YUL - LHR
1 stop10h 45mAir Canada
Mon 20/1009:30LHR - YUL
Nonstop7h 10mAir Canada
Deal found 9/7£397
Wed 17/921:55YUL - LHR
Nonstop6h 40mMultiple Airlines
Wed 24/906:50LHR - YUL
1 stop9h 45mMultiple Airlines
Deal found 8/7£400
Sun 7/922:00YUL - LHR
Nonstop6h 40mBritish Airways
Mon 15/918:05LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 10/7£402
Wed 3/921:55YUL - LHR
Nonstop6h 40mLufthansa
Fri 12/909:30LHR - YUL
Nonstop7h 10mLufthansa
Deal found 10/7£406
Wed 3/922:45YUL - LHR
1 stop14h 00mTAP AIR PORTUGAL
Wed 10/908:00LHR - YUL
1 stop17h 45mTAP AIR PORTUGAL
Deal found 10/7£414
Mon 1/922:10YUL - LHR
Nonstop6h 40mAmerican Airlines
Sun 21/918:05LHR - YUL
Nonstop7h 10mAmerican Airlines
Deal found 10/7£420

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 11 July 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

Fri 10/10

18:15-10:00

1 stop10h 45m

London Heathrow

Mon 20/10

09:30-11:40

Nonstop7h 10m

£397

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

21:55-09:35

Nonstop6h 40m

London Heathrow

Wed 24/9

06:50-11:35

1 stop9h 45m

£400

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

22:00-09:40

Nonstop6h 40m

London Heathrow

Mon 15/9

18:05-20:15

Nonstop7h 10m

£402

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

21:55-09:35

Nonstop6h 40m

London Heathrow

Fri 12/9

09:30-11:40

Nonstop7h 10m

£406

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

22:45-17:45

1 stop14h 00m

London Heathrow

Wed 10/9

08:00-20:45

1 stop17h 45m

£414

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 1/9

22:10-09:50

Nonstop6h 40m

London Heathrow

Wed 10/9

18:05-20:15

Nonstop7h 10m

£420

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

22:45-18:50

1 stop15h 05m

£200

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 21/7

23:00-14:15

1 stop10h 15m

£203

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 19/7

18:55-06:30

Nonstop6h 35m

£224

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 19/7

16:35-08:35

1 stop11h 00m

£233

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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 27 June 2025.

Booking 70 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 11 July 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 5% on airfare.

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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Heathrow. 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 11 July 2025.

The most flights from YUL to LHR are scheduled on a Tuesday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost for a return flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

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 11 July 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as American Airlines, Air Canada, andTAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Reviews

1 / 20
6.0
Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

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 £397 on this airline. Additional options worth looking into are British Airways and Lufthansa, starting at £402 and £406 round-trip. These flights start at 27% 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 (£200), Air Canada (£224), and Lufthansa (£233).

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

    Consider Austrian Airlines (88%), United Airlines (88%) or Lufthansa (88%) 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 £321. On average you can expect to pay £783. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £370.

  • 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
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

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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.

Top 2 airlines flying from Pierre Elliott Trudeau Intl to Heathrow

Discover the top 2 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£399Average£502FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£409Average£654FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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