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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £232

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in October or September, booked 88 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 26 March 2025.

Round-trip from

£434

One-way from

£232

Popular in

December

Cheapest in

October

Average price

£569

Good round-trip deal

£519 or less

Good one-way deal

£531 or less
American Airlines
  • American Airlines
  • 1/5-17/5
  • Nonstop
  • 13h 50m total
  • Montreal to London
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 16/6
  • 1 total stop
  • 19h 10m total
  • Montreal to London
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in March 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 26 March 2025.

Wed 7/522:10YUL - LHR
Nonstop6h 40mFinnair
Wed 14/518:05LHR - YUL
Nonstop7h 10mFinnair
Deal found 26/3£434
Sat 10/522:05YUL - LHR
Nonstop6h 40mAmerican Airlines
Sat 17/518:05LHR - YUL
Nonstop7h 10mAmerican Airlines
Deal found 26/3£434
Tue 29/422:10YUL - LHR
Nonstop6h 40mBritish Airways
Thu 8/518:05LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 25/3£435
Wed 7/518:55YUL - LHR
Nonstop6h 35mAir Canada
Wed 14/508:40LHR - YUL
1 stop11h 20mAir Canada
Deal found 26/3£438
Sat 3/522:25YUL - LHR
Nonstop6h 35mMultiple Airlines
Wed 14/508:40LHR - YUL
1 stop11h 20mMultiple Airlines
Deal found 24/3£448
Wed 9/422:20YUL - LHR
Nonstop6h 40mLufthansa
Wed 16/409:00LHR - YUL
1 stop14h 50mLufthansa
Deal found 26/3£451
Tue 8/416:40YUL - LHR
1 stop15h 20mSWISS
Sat 19/406:00LHR - YUL
2 stops18h 21mSWISS
Deal found 25/3£466
Thu 8/518:50YUL - LHR
1 stop14h 00mDelta
Wed 14/506:30LHR - YUL
1 stop15h 25mDelta
Deal found 25/3£475
Mon 12/518:50YUL - LHR
1 stop16h 25mKLM
Wed 21/509:55LHR - YUL
1 stop12h 00mKLM
Deal found 26/3£476
Sat 3/518:00YUL - LHR
1 stop12h 25mUnited Airlines
Tue 13/507:25LHR - YUL
2 stops19h 25mUnited Airlines
Deal found 25/3£492
Sun 30/318:35YUL - LHR
1 stop32h 45mAustrian Airlines
Wed 2/410:25LHR - YUL
1 stop32h 25mAustrian Airlines
Deal found 26/3£536
Tue 8/416:50YUL - LHR
2 stops15h 55mVirgin Atlantic
Mon 14/409:00LHR - YUL
2 stops19h 28mVirgin Atlantic
Deal found 26/3£541

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 26 March 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

Thu 1/5

22:05-09:45

Nonstop6h 40m

London Heathrow

Sat 17/5

18:05-20:15

Nonstop7h 10m

£434

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 29/4

22:10-09:50

Nonstop6h 40m

London Heathrow

Thu 8/5

18:05-20:15

Nonstop7h 10m

£435

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

18:55-06:30

Nonstop6h 35m

London Heathrow

Fri 16/5

06:00-15:00

1 stop14h 00m

£438

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 22/4

18:55-06:30

Nonstop6h 35m

London Heathrow

Tue 29/4

06:00-15:00

1 stop14h 00m

£447

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 9/4

22:20-10:00

Nonstop6h 40m

London Heathrow

Wed 16/4

09:00-18:50

1 stop14h 50m

£451

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 8/4

16:40-13:00

1 stop15h 20m

London Heathrow

Sat 19/4

06:00-19:21

2 stops18h 21m

£466

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

18:50-13:50

1 stop14h 00m

London Heathrow

Wed 14/5

06:30-16:55

1 stop15h 25m

£475

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 3/5

18:00-11:25

1 stop12h 25m

London Heathrow

Tue 13/5

07:25-21:50

2 stops19h 25m

£492

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 9/4

18:50-17:35

1 stop17h 45m

London Heathrow

Wed 7/5

06:30-16:55

1 stop15h 25m

£500

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 9/4

12:48-08:55

1 stop15h 07m

London Heathrow

Sat 12/4

11:45-16:55

1 stop10h 10m

£528

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 19 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 21 March 2025.

Booking 88 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 26 March 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 26 March 2025.
To help decide which airline to fly from Montreal to London, see what other customers have to say about Delta, KLM and Azores 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.

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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.
8.0
Very Good

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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.

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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.

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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.

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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.

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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 American Airlines. Our recent data shows that you can find tickets from as low as £434 on this airline. Additional options worth looking into are British Airways and Air Canada, starting at £435 and £438 round-trip. These flights start at 25% 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 (£232), Azores Airlines (£329), and Air Canada (£356).

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

    Consider Aegean Airlines (64%), American Airlines (62%) or Aer Lingus (62%) 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 £467. On average you can expect to pay £1,008. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £440.

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

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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 4 airlines flying from Pierre Elliott Trudeau Intl to Heathrow

Discover the top 4 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£427Average£548FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£429Average£648FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£519Average£645FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£552Average£647FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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