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Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 528

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
10 Jul — 17 Jul1
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 January, booked 64 days in advance, depart on a Sunday or Wednesday 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 10 June 2026.

Mon 13/77:45 a.m.
LHR
-
YUL
1 stop13h 25m
Air Canada
Fri 2/104:40 p.m.
YUL
-
LHR
1 stop10h 55m
Air Canada
Deal found 10/6C$ 858
Sun 21/66:00 a.m.
LHR
-
YUL
1 stop12h 50m
Multiple Airlines
Sun 28/64:40 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 8/6C$ 859
Sat 24/106:55 a.m.
LHR
-
YUL
2 stops15h 56m
Lufthansa
Sun 1/118:10 p.m.
YUL
-
LHR
2 stops15h 40m
Lufthansa
Deal found 10/6C$ 862
Fri 19/66:00 a.m.
LHR
-
YUL
1 stop14h 00m
SWISS
Fri 26/64:40 p.m.
YUL
-
LHR
1 stop10h 15m
SWISS
Deal found 8/6C$ 863
Thu 20/88:05 p.m.
LHR
-
YUL
2 stops23h 35m
Multiple Airlines
Mon 31/84:45 p.m.
YUL
-
LHR
1 stop8h 45m
Multiple Airlines
Deal found 5/6C$ 865
Thu 18/66:50 a.m.
LHR
-
YUL
2 stops13h 55m
Brussels Airlines
Thu 25/66:25 p.m.
YUL
-
LHR
1 stop22h 10m
Brussels Airlines
Deal found 7/6C$ 867
Thu 20/88:05 p.m.
LHR
-
YUL
2 stops23h 35m
Multiple Airlines
Sun 30/86:30 p.m.
YUL
-
LHR
1 stop10h 05m
Multiple Airlines
Deal found 7/6C$ 869
Thu 18/66:00 a.m.
LHR
-
YUL
1 stop14h 00m
SWISS
Fri 26/64:40 p.m.
YUL
-
LHR
1 stop10h 15m
SWISS
Deal found 7/6C$ 870
Sun 12/76:00 a.m.
LHR
-
YUL
1 stop12h 50m
Multiple Airlines
Sun 26/74:40 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 7/6C$ 876
Thu 9/76:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Thu 30/710:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Deal found 9/6C$ 877
Fri 10/77:45 a.m.
LHR
-
YUL
1 stop19h 21m
United Airlines
Mon 20/711:23 a.m.
YUL
-
LHR
2 stops14h 32m
United Airlines
Deal found 9/6C$ 878
Sun 21/66:00 a.m.
LHR
-
YUL
1 stop14h 00m
Multiple Airlines
Sat 27/68:40 p.m.
YUL
-
LHR
1 stop11h 10m
Multiple Airlines
Deal found 7/6C$ 880

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 10 June 2026.

Round-trip from

C$ 858

One-way from

C$ 528

Popular in

July

Cheapest in

September

Average price

C$ 986

Good round-trip deal

C$ 1,022 or less

Good one-way deal

C$ 708 or less
Air Canada
  • Air Canada
  • 13/7-2/10
  • 2 total stops
  • 24h 20m total
  • London to Montreal
Search Deals
31/8
  • 31/8
  • 2 total stops
  • 41h 04m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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.
Search Deals

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 10 June 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 11/7

6:00 a.m.-4:22 p.m.

2 stops15h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

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

1 stop10h 15m

C$ 971

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 24/6

6:00 a.m.-3:00 p.m.

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

6:35 p.m.-1:00 p.m.

2 stops13h 25m

C$ 975

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 26/6

6:00 a.m.-3:00 p.m.

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

6:35 p.m.-1:00 p.m.

2 stops13h 25m

C$ 1,014

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 23/6

7:30 a.m.-5:24 p.m.

2 stops14h 54m

Montreal Pierre Elliott Trudeau Intl

Thu 2/7

1:15 p.m.-7:55 a.m.

2 stops13h 40m

C$ 1,040

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 14/7

6:00 a.m.-4:22 p.m.

2 stops15h 22m

Montreal Pierre Elliott Trudeau Intl

Thu 30/7

4:30 p.m.-11:20 a.m.

2 stops13h 50m

C$ 1,044

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 2/7

8:45 a.m.-3:00 p.m.

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 5/7

6:35 p.m.-1:00 p.m.

2 stops13h 25m

C$ 1,049

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 15/8

6:50 a.m.-4:10 p.m.

2 stops14h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

1:50 p.m.-9:20 a.m.

2 stops14h 30m

C$ 1,078
Quickest round-trip

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 6/9

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

Nonstop7h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

5:45 p.m.-9:45 a.m.

1 stop11h 00m

C$ 1,093

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 23/6

6:00 a.m.-4:22 p.m.

2 stops15h 22m

Montreal Pierre Elliott Trudeau Intl

Sun 28/6

6:35 p.m.-1:00 p.m.

2 stops13h 25m

C$ 1,111

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 20/6

6:00 a.m.-4:22 p.m.

2 stops15h 22m

Montreal Pierre Elliott Trudeau Intl

Thu 25/6

6:35 p.m.-1:00 p.m.

2 stops13h 25m

C$ 1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

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 63 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, September 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$ 853). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 1,244). 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 10 June 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 10 June 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
11,154 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Comfort

7.1

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,154 reviews
Air Canada
7.1
Good
11,154 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Comfort

7.1

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Lufthansa
6.8
Okay
8,052 reviews
Air Canada
7.1
Good
11,154 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Comfort

7.1

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
British Airways
6.7
Okay
8,035 reviews
Air Canada
7.1
Good
11,154 reviews
Check prices

Boarding

7.3

Crew

7.8

Food

6.3

Comfort

7.1

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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 23h 55m. Fly via United Airlines or SWISS 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$ 658. Other airlines that can offer you cheap pricing are Air Canada, from C$ 715, and Lufthansa, from C$ 720. British Airways is currently priced 33% 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$ 505), Aer Lingus (C$ 549), and TAP AIR PORTUGAL (C$ 575).

  • 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 (96%), United Airlines (96%), Lufthansa (96%).

  • 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$ 939, our data indicates the cheapest price to be C$ 668. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 598.

  • 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, September 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$ 853). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 1,244). 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
Brossard
Sherbrooke
Longueuil
Cornwall
Montebello
Boucherville
Bromont
Magog
Saint-Jean-sur-Richelieu
Drummondville
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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 658AverageC$ 1,448FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 715AverageC$ 1,020FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 720AverageC$ 897FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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?

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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.

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