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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £190

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
25 Feb — 4 Mar1
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 May, booked 66 days in advance, depart on a Sunday or Wednesday 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 26 January 2026.

Wed 18/221:45
YUL
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Mon 2/308:15
LHR
-
YUL
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 25/1£355
Wed 28/121:45
YUL
-
LHR
1 stop12h 45m
TAP AIR PORTUGAL
Mon 16/206:00
LHR
-
YUL
1 stop19h 15m
TAP AIR PORTUGAL
Deal found 24/1£357
Mon 9/221:45
YUL
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Wed 18/208:15
LHR
-
YUL
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 26/1£358
Sun 1/221:45
YUL
-
LHR
1 stop14h 45m
TAP AIR PORTUGAL
Sun 8/212:25
LHR
-
YUL
1 stop12h 50m
TAP AIR PORTUGAL
Deal found 24/1£358
Wed 22/422:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Wed 6/511:20
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 24/1£359
Wed 18/221:45
YUL
-
LHR
1 stop16h 10m
TAP AIR PORTUGAL
Thu 26/218:30
LHR
-
YUL
1 stop30h 45m
TAP AIR PORTUGAL
Deal found 25/1£360
Mon 16/221:45
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Mon 2/308:15
LHR
-
YUL
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 25/1£362
Sun 26/422:45
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Mon 4/513:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 24/1£363
Sun 1/221:45
YUL
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Sat 7/219:55
LHR
-
YUL
1 stop29h 20m
TAP AIR PORTUGAL
Deal found 24/1£363
Wed 29/422:45
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 11/513:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 25/1£364
Mon 13/422:45
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Tue 21/419:50
LHR
-
YUL
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 24/1£365

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 26 January 2026.

Round-trip from

£355

One-way from

£190

Popular in

December

Cheapest in

November

Average price

£520

Good round-trip deal

£425 or less

Good one-way deal

£412 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 18/2-2/3
  • 2 total stops
  • 35h 50m total
  • Montreal to London
Search Deals
18/3
  • 18/3
  • 1 total stop
  • 11h 45m total
  • Montreal to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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.
Search Deals

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 January 2026.
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

Tue 31/3

19:00-10:30

1 stop10h 30m

London Heathrow

Tue 7/4

06:15-15:00

1 stop13h 45m

£463

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

14:29-10:40

2 stops15h 11m

London Heathrow

Mon 20/4

08:55-15:00

1 stop11h 05m

£464

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

14:29-10:40

2 stops15h 11m

London Heathrow

Wed 22/4

08:55-15:00

1 stop11h 05m

£464

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

09:29-06:20

1 stop15h 51m

London Heathrow

Sat 14/3

11:15-08:30

2 stops25h 15m

£465

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

09:30-06:45

2 stops16h 15m

London Heathrow

Sun 10/5

08:55-15:00

1 stop11h 05m

£466

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

14:29-08:45

2 stops13h 16m

London Heathrow

Tue 31/3

16:50-13:37

2 stops25h 47m

£470

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

12:54-08:45

1 stop14h 51m

London Heathrow

Tue 17/2

13:00-23:10

1 stop15h 10m

£472

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

17:00-13:45

1 stop15h 45m

London Heathrow

Thu 19/2

13:00-23:26

1 stop15h 26m

£474

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

06:00-07:10

1 stop20h 10m

London Heathrow

Mon 11/5

15:20-12:05

1 stop25h 45m

£475

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

06:00-08:45

1 stop22h 45m

London Heathrow

Wed 18/3

09:00-13:15

1 stop32h 15m

£477

Flights are sorted by cheapest return flights first.

Deals found on 24/1

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 23 January 2026.

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 £327). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £500). 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 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport as you normally would.

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 26 January 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as Air Canada, Lufthansa, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,656 reviews
Check prices

Crew

7.8

Food

6.3

Overall

7.1

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,656 reviews
Air Canada
7.1
Good
10,656 reviews
Check prices

Crew

7.8

Food

6.3

Overall

7.1

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Lufthansa
6.8
Okay
7,747 reviews
Air Canada
7.1
Good
10,656 reviews
Check prices

Crew

7.8

Food

6.3

Overall

7.1

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
British Airways
6.7
Okay
7,701 reviews
Air Canada
7.1
Good
10,656 reviews
Check prices

Crew

7.8

Food

6.3

Overall

7.1

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

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 Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 10h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is about 3239 mi.

  • 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 £396 on this airline. Additional options worth looking into are British Airways and Lufthansa, starting at £403 and £439 round-trip. These flights start at 25% 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 (53%), Aer Lingus (53%) or Finnair (53%) 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 £403. On average you can expect to pay £488. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £339.

  • 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 £327). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £500). 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

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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 26 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£396Average£487FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£403Average£587FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£439Average£606FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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

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Why should you use Cheapflights to find cheap flight tickets 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.

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

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