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Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 560

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
27 fev — 6 mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Montreal Pierre Elliott Trudeau Intl are usually found in September or May, booked 86 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

Cheap flight deals from Heathrow to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Heathrow to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 janeiro 2026.

sex 27/26:50 a.m.
LHR
-
YUL
1 stop9h 55m
Multiple Airlines
sáb 7/33:10 p.m.
YUL
-
LHR
1 stop10h 20m
Multiple Airlines
Deal found 26/1C$ 685
qui 5/36:00 a.m.
LHR
-
YUL
1 stop12h 45m
Multiple Airlines
qui 26/38:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Multiple Airlines
Deal found 27/1C$ 686
seg 2/21:45 p.m.
LHR
-
YUL
1 stop30h 25m
Air Canada
dom 8/26:50 a.m.
YUL
-
LHR
1 stop8h 45m
Air Canada
Deal found 26/1C$ 688
qua 4/29:00 a.m.
LHR
-
YUL
1 stop11h 10m
Air Canada
dom 8/27:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Air Canada
Deal found 26/1C$ 690
seg 23/26:50 a.m.
LHR
-
YUL
1 stop9h 55m
Multiple Airlines
seg 16/39:10 p.m.
YUL
-
LHR
1 stop11h 50m
Multiple Airlines
Deal found 26/1C$ 692
sáb 7/27:25 p.m.
LHR
-
YUL
1 stop23h 20m
Air Canada
ter 10/38:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Air Canada
Deal found 27/1C$ 693
qui 26/26:50 a.m.
LHR
-
YUL
1 stop9h 55m
Multiple Airlines
qui 5/37:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Multiple Airlines
Deal found 27/1C$ 694
qui 12/26:35 a.m.
LHR
-
YUL
1 stop16h 45m
Lufthansa
seg 16/27:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Lufthansa
Deal found 26/1C$ 696
qui 5/27:40 a.m.
LHR
-
YUL
1 stop15h 40m
Lufthansa
qua 11/27:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Lufthansa
Deal found 27/1C$ 697
qui 19/28:45 a.m.
LHR
-
YUL
1 stop14h 35m
Lufthansa
dom 22/29:45 p.m.
YUL
-
LHR
Nonstop6h 35m
Lufthansa
Deal found 26/1C$ 698

Find flight deals from Heathrow to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Pierre Elliott Trudeau Intl (YUL). 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 28 janeiro 2026.

Round-trip from

C$ 685

One-way from

C$ 560

Popular in

August

Cheapest in

September

Average price

C$ 846

Good round-trip deal

C$ 775 or less

Good one-way deal

C$ 721 or less
Air Canada
  • Air Canada
  • 27/2-7/3
  • 3 total stops
  • 54h 05m total
  • London to Montreal
Search Deals
13/5
  • 13/5
  • 1 total stop
  • 25h 30m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Pierre Elliott Trudeau Intl 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 629,999 searches. Data last updated 28 janeiro 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

qua 3/6

8:40 a.m.-3:00 p.m.

1 stop11h 20m

Montreal Pierre Elliott Trudeau Intl

qua 17/6

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

C$ 730

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sáb 21/2

9:00 a.m.-7:14 p.m.

2 stops15h 14m

Montreal Pierre Elliott Trudeau Intl

ter 24/2

8:50 a.m.-8:35 p.m.

2 stops30h 45m

C$ 741

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sex 20/2

3:00 p.m.-5:45 p.m.

Nonstop7h 45m

Montreal Pierre Elliott Trudeau Intl

ter 5/5

6:40 p.m.-6:30 a.m.

Nonstop6h 50m

C$ 744

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

qua 27/5

8:05 p.m.-3:00 p.m.

1 stop23h 55m

Montreal Pierre Elliott Trudeau Intl

qua 10/6

4:40 p.m.-7:55 a.m.

1 stop10h 15m

C$ 746

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

qui 21/5

12:40 p.m.-6:15 p.m.

1 stop10h 35m

Montreal Pierre Elliott Trudeau Intl

qua 27/5

10:10 p.m.-10:00 a.m.

Nonstop6h 50m

C$ 771

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sex 20/2

6:30 a.m.-7:48 p.m.

2 stops18h 18m

Montreal Pierre Elliott Trudeau Intl

ter 28/4

3:25 p.m.-9:20 a.m.

1 stop12h 55m

C$ 771

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

qui 26/2

6:50 a.m.-7:48 p.m.

2 stops17h 58m

Montreal Pierre Elliott Trudeau Intl

qui 5/3

3:00 p.m.-10:50 a.m.

2 stops14h 50m

C$ 772

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

sex 20/2

7:30 a.m.-7:48 p.m.

2 stops17h 18m

Montreal Pierre Elliott Trudeau Intl

seg 2/3

3:00 p.m.-10:50 a.m.

2 stops14h 50m

C$ 779

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

qua 11/3

7:30 a.m.-7:48 p.m.

2 stops16h 18m

Montreal Pierre Elliott Trudeau Intl

seg 16/3

3:00 p.m.-9:45 a.m.

2 stops14h 45m

C$ 780

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

qua 20/5

9:30 a.m.-12:00 p.m.

Nonstop7h 30m

Montreal Pierre Elliott Trudeau Intl

qui 28/5

10:35 a.m.-6:30 a.m.

1 stop14h 55m

C$ 780

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 21 results
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Best time to book a flight from Heathrow to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

How far ahead should I book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on 23 January 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 611). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 703). 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 LHR to YUL?

Find hourly flight availability from Heathrow to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 janeiro 2026.

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

How much does it cost to fly round-trip from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated 28 janeiro 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl 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
10,664 reviews
Check prices

Overall

7.1

Food

6.3

Comfort

7.1

Crew

7.8

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
10,664 reviews
Air Canada
7.1
Good
10,664 reviews
Check prices

Overall

7.1

Food

6.3

Comfort

7.1

Crew

7.8

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
7,749 reviews
Air Canada
7.1
Good
10,664 reviews
Check prices

Overall

7.1

Food

6.3

Comfort

7.1

Crew

7.8

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
7,704 reviews
Air Canada
7.1
Good
10,664 reviews
Check prices

Overall

7.1

Food

6.3

Comfort

7.1

Crew

7.8

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 Heathrow to Pierre Elliott Trudeau Intl. 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 London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    There are many flights that can get you from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in 10h 35m. Fly via Air Canada, SWISS, or Lufthansa to get the fastest option. Airlines will cover a distance of 5213 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport round-trip from C$ 643. Other airlines that can offer you cheap pricing are British Airways, from C$ 645, and Air Canada, from C$ 665. Lufthansa is currently priced 27% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport are British Airways (C$ 562), TAP AIR PORTUGAL (C$ 563), and Finnair (C$ 576).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport on time: Air Canada (93%), Austrian Airlines (93%), United Airlines (93%).

  • What are the cheapest flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking for the cheapest flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport? While on average our users pay C$ 835, our data indicates the cheapest price to be C$ 571. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 543.

  • Can I find deals for flights from Heathrow to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Heathrow to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Pierre Elliott Trudeau Intl 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 London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 611). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 703). 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
Laval
Dorval
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Heathrow to Pierre Elliott Trudeau Intl

Discover the top 3 airlines that operate flights from Heathrow to Pierre Elliott Trudeau Intl. 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 629,999 searches. Data last updated 28 janeiro 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 643AverageC$ 859FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 645AverageC$ 1,076FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 665AverageC$ 889FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Pierre Elliott Trudeau Intl?

Cheapflights helps you find that perfect flight to Pierre Elliott Trudeau Intl from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Pierre Elliott Trudeau Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Pierre Elliott Trudeau Intl flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Heathrow to Pierre Elliott Trudeau Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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