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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from £226

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
12 Apr — 19 Apr1
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 14 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 13 March 2026.

Wed 3/622:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Wed 10/606:00
LHR
-
YUL
1 stop19h 45m
TAP AIR PORTUGAL
Deal found 8/3£403
Fri 5/622:45
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Mon 15/613:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 9/3£404
Mon 1/622:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 7/608:00
LHR
-
YUL
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 9/3£405
Mon 25/522:45
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 15/611:20
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 8/3£405
Mon 1/622:45
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 8/613:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 12/3£407
Wed 3/622:45
YUL
-
LHR
1 stop11h 50m
TAP AIR PORTUGAL
Wed 17/613:45
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 8/3£408
Wed 3/622:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sat 20/619:50
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 10/3£408
Sun 7/622:45
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 22/613:45
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 8/3£409
Fri 22/522:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Wed 3/613:45
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 11/3£410
Wed 27/522:45
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 7/619:50
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 11/3£411
Wed 10/622:45
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Thu 18/616:35
LHR
-
YUL
1 stop33h 35m
TAP AIR PORTUGAL
Deal found 8/3£411

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 13 March 2026.

Round-trip from

£403

One-way from

£226

Popular in

December

Cheapest in

November

Average price

£553

Good round-trip deal

£488 or less

Good one-way deal

£450 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 3/6-10/6
  • 2 total stops
  • 34h 50m total
  • Montreal to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 8/4
  • 1 total stop
  • 15h 05m 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 (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 13 March 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

18:40-06:30

Nonstop6h 50m

London Heathrow

Sun 27/9

09:30-12:00

Nonstop7h 30m

£578

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

22:45-17:45

1 stop14h 00m

London Heathrow

Fri 26/6

08:00-20:12

2 stops17h 12m

£588
Fastest return journey

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

22:00-09:40

Nonstop6h 40m

London Heathrow

Sat 25/7

18:05-20:15

Nonstop7h 10m

£634

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 2/7

22:10-10:00

Nonstop6h 50m

London Heathrow

Wed 15/7

12:40-18:22

1 stop10h 42m

£654

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

09:45-05:55

2 stops15h 10m

London Heathrow

Tue 15/9

09:30-19:45

2 stops15h 15m

£660

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

22:00-09:40

Nonstop6h 40m

London Heathrow

Tue 7/4

18:05-20:15

Nonstop7h 10m

£663

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

22:45-17:45

1 stop14h 00m

London Heathrow

Tue 26/5

06:00-20:17

2 stops19h 17m

£676

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

06:45-06:55

2 stops19h 10m

London Heathrow

Wed 13/5

07:25-22:06

2 stops19h 41m

£681

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

18:40-06:30

Nonstop6h 50m

London Heathrow

Thu 9/4

14:05-16:40

Nonstop7h 35m

£689

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

08:40-05:55

2 stops16h 15m

London Heathrow

Sun 17/5

06:50-16:10

2 stops14h 20m

£691

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 20 resultsSorted by cheapest first
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 6 March 2026.

Booking 14 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 £511). 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 13 March 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 13 March 2026.
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
10,800 reviews
Check prices

Entertainment

6.8

Food

6.3

Comfort

7.1

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
Air Canada
7.1
Good
10,800 reviews
Air Canada
7.1
Good
10,800 reviews
Check prices

Entertainment

6.8

Food

6.3

Comfort

7.1

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
British Airways
6.7
Okay
7,784 reviews
Air Canada
7.1
Good
10,800 reviews
Check prices

Entertainment

6.8

Food

6.3

Comfort

7.1

Boarding

7.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

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 Lufthansa, TAP AIR PORTUGAL, and British Airways fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 6h 40m. The time it takes to get you to your destination can typically vary by up to 7h 20m. 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 £406 on this airline. An additional option worth looking into is British Airways, starting at £412. 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 Aegean Airlines (77%), Egyptair (65%) or Thai Airways (65%) 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 £448. On average you can expect to pay £687. The most popular route, (Montreal Pierre Elliott Trudeau Intl - London Heathrow), can usually be booked for £390.

  • 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 £511). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£406Average£488FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£412Average£603FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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