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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £220

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
11 1월 — 18 1월1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in November or October, booked 66 days in advance, depart on a Sunday or Friday and return on a Wednesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Heathrow

Enter your travel dates to find the best prices.

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 12 12월 2025.

일 14/1216:45YUL - LHR
1 stop11h 00mMultiple Airlines
수 24/1211:45LHR - YUL
1 stop10h 35mMultiple Airlines
Deal found 10/12£488
수 31/1218:25YUL - LHR
1 stop9h 55mMultiple Airlines
토 17/120:05LHR - YUL
1 stop24h 05mMultiple Airlines
Deal found 11/12£490
수 31/1219:30YUL - LHR
Nonstop6h 40mLufthansa
토 17/113:25LHR - YUL
Nonstop7h 45mLufthansa
Deal found 11/12£503
일 14/1214:29YUL - LHR
1 stop13h 46mMultiple Airlines
월 22/1214:45LHR - YUL
1 stop12h 54mMultiple Airlines
Deal found 10/12£504
목 25/1221:30YUL - LHR
1 stop18h 05mAir Canada
월 12/109:00LHR - YUL
2 stops16h 45mAir Canada
Deal found 10/12£508
일 28/1212:59YUL - LHR
2 stops22h 26mAmerican Airlines
월 12/117:00LHR - YUL
2 stops27h 08mAmerican Airlines
Deal found 10/12£517
월 15/1214:29YUL - LHR
1 stop13h 46mMultiple Airlines
월 22/1209:55LHR - YUL
1 stop17h 44mMultiple Airlines
Deal found 10/12£538
수 10/1221:45YUL - LHR
1 stop32h 40mTAP AIR PORTUGAL
일 11/118:30LHR - YUL
1 stop30h 45mTAP AIR PORTUGAL
Deal found 10/12£541

Find 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 12 12월 2025.

Round-trip from

£445

One-way from

£220

Popular in

December

Cheapest in

November

Average price

£683

Good round-trip deal

£448 or less

Good one-way deal

£428 or less
Lufthansa
  • Lufthansa
  • 12/1-18/1
  • Nonstop
  • 14h 25m total
  • Montreal to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 3/5
  • 1 total stop
  • 30h 35m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London Heathrow.
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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 12 12월 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

수 14/1

18:40-20:35

1 stop20h 55m

London Heathrow

화 20/1

09:00-15:10

1 stop11h 10m

£446

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

수 14/1

19:30-07:10

Nonstop6h 40m

London Heathrow

화 20/1

06:00-15:10

1 stop14h 10m

£446

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

토 14/2

12:52-09:05

1 stop15h 13m

London Heathrow

월 23/2

06:30-17:20

1 stop15h 50m

£453

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

월 2/3

16:45-08:45

1 stop11h 00m

London Heathrow

수 11/3

10:00-18:20

1 stop12h 20m

£454

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

토 21/3

21:50-08:40

Nonstop6h 50m

London Heathrow

금 27/3

16:30-20:05

Nonstop7h 35m

£458

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

수 21/1

19:10-07:10

Nonstop7h 00m

London Heathrow

수 28/1

13:25-16:05

Nonstop7h 40m

£459

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

토 14/2

09:34-07:50

2 stops17h 16m

London Heathrow

화 24/2

06:20-12:15

1 stop10h 55m

£459

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

일 15/2

20:40-08:30

Nonstop6h 50m

London Heathrow

화 24/2

16:10-18:45

Nonstop7h 35m

£462

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

화 17/2

06:00-08:45

1 stop21h 45m

London Heathrow

토 28/2

06:30-23:10

2 stops21h 40m

£471

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

화 10/2

12:54-08:45

1 stop14h 51m

London Heathrow

수 18/2

10:00-23:10

2 stops18h 10m

£471

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 24 results
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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 5 December 2025.

Booking 66 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, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of £334). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £538). 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 12 12월 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 afternoon could potentially save you up to 35% on airfare.

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 12 12월 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as Air Canada and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,514 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Comfort

7.1

Crew

7.8

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,514 reviews
Air Canada
7.1
Good
10,514 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Comfort

7.1

Crew

7.8

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
British Airways
6.7
Okay
7,571 reviews
Air Canada
7.1
Good
10,514 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Comfort

7.1

Crew

7.8

Overall

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

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.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?

    Airlines like Air Canada, Delta, and British Airways fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 14h 05m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is about 3239 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £400 on this airline. An additional option worth looking into is British Airways, starting at £412. These flights start at 27% lower than the current average price 3 months from now.

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

    Consider American Airlines (78%), Aer Lingus (78%) or Finnair (78%) 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 £380. On average you can expect to pay £898. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £349.

  • 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, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of £334). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £538). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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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 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 12 12월 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£400Average£517FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£412Average£602FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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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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