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Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 521

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
22 Apr — 29 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Montreal Pierre Elliott Trudeau Intl are usually found in September or May, booked 49 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap 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 17 April 2025.

Round-trip from

C$ 677

One-way from

C$ 521

Popular in

August

Cheapest in

September

Average price

C$ 879

Good round-trip deal

C$ 771 or less

Good one-way deal

C$ 837 or less
Lufthansa
  • Lufthansa
  • 7/5-11/5
  • 2 total stops
  • 28h 05m total
  • London to Montreal
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25/6
  • 25/6
  • 2 total stops
  • 26h 20m total
  • London to Montreal
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Highest demand for flights based on searches. 14% potential increase in price (C$ 215 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 49 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
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Find flight deals from Heathrow to Pierre Elliott Trudeau Intl

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 17 April 2025.

Wed 7/57:30 a.m.LHR - YUL
1 stop13h 30mLufthansa
Sun 11/510:50 p.m.YUL - LHR
1 stop14h 35mLufthansa
Deal found 17/4C$ 677
Thu 12/68:25 p.m.LHR - YUL
1 stop29h 35mMultiple Airlines
Sun 15/68:10 a.m.YUL - LHR
1 stop18h 05mMultiple Airlines
Deal found 17/4C$ 678
Sat 31/56:50 a.m.LHR - YUL
2 stops37h 59mUnited Airlines
Wed 25/69:15 a.m.YUL - LHR
2 stops16h 30mUnited Airlines
Deal found 17/4C$ 679
Thu 24/49:30 a.m.LHR - YUL
Nonstop7h 10mAir Canada
Wed 30/410:20 p.m.YUL - LHR
Nonstop6h 40mAir Canada
Deal found 17/4C$ 692
Tue 3/68:45 a.m.LHR - YUL
1 stop11h 15mSWISS
Thu 12/64:40 p.m.YUL - LHR
1 stop10h 15mSWISS
Deal found 17/4C$ 710
Fri 5/96:05 p.m.LHR - YUL
Nonstop7h 10mBritish Airways
Fri 19/910:00 p.m.YUL - LHR
Nonstop6h 40mBritish Airways
Deal found 17/4C$ 722
Tue 3/69:05 a.m.LHR - YUL
1 stop33h 45mAustrian Airlines
Thu 3/79:50 p.m.YUL - LHR
1 stop27h 45mAustrian Airlines
Deal found 17/4C$ 728
Wed 14/511:30 a.m.LHR - YUL
2 stops16h 46mDelta
Wed 21/57:00 p.m.YUL - LHR
1 stop10h 30mDelta
Deal found 17/4C$ 804
Fri 16/58:55 a.m.LHR - YUL
2 stops18h 50mAmerican Airlines
Wed 21/510:10 p.m.YUL - LHR
Nonstop6h 40mAmerican Airlines
Deal found 17/4C$ 850
Fri 30/58:55 p.m.LHR - YUL
1 stop25h 00mKLM
Wed 4/66:50 p.m.YUL - LHR
1 stop10h 55mKLM
Deal found 17/4C$ 862
Sun 20/49:15 a.m.LHR - YUL
2 stops18h 39mFinnair
Mon 5/57:29 a.m.YUL - LHR
2 stops18h 26mFinnair
Deal found 17/4C$ 873
Fri 16/56:50 a.m.LHR - YUL
1 stop9h 55mBrussels Airlines
Thu 22/56:55 p.m.YUL - LHR
1 stop10h 20mBrussels Airlines
Deal found 17/4C$ 879

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 17 April 2025.
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

Tue 24/6

1:00 p.m.-7:45 a.m.

2 stops23h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 8/7

3:41 p.m.-7:15 a.m.

1 stop10h 34m

C$ 653

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 14/6

9:30 a.m.-11:40 a.m.

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 20/6

9:50 p.m.-8:35 a.m.

2 stops29h 45m

C$ 667

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 7/5

7:30 a.m.-4:00 p.m.

1 stop13h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

10:50 p.m.-6:25 p.m.

1 stop14h 35m

C$ 677

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 13/5

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

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

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

1 stop10h 15m

C$ 679

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 1/6

9:30 a.m.-11:40 a.m.

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 8/6

6:55 p.m.-6:30 a.m.

Nonstop6h 35m

C$ 695

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 3/6

9:05 a.m.-1:50 p.m.

1 stop33h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 3/7

9:50 p.m.-6:35 a.m.

1 stop27h 45m

C$ 728

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 14/5

11:30 a.m.-11:16 p.m.

2 stops16h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

7:00 p.m.-10:30 a.m.

1 stop10h 30m

C$ 804

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 14/5

6:50 a.m.-1:50 p.m.

2 stops36h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

6:35 p.m.-9:35 p.m.

2 stops22h 00m

C$ 815

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 1/10

2:40 p.m.-9:51 a.m.

2 stops24h 11m

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

2:30 p.m.-11:05 a.m.

2 stops15h 35m

C$ 893

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 25/6

3:05 p.m.-12:25 p.m.

2 stops26h 20m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

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 11 April 2025.

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 49 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, October 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$ 241). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 312). 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 17 April 2025.

It’s optimal to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Heathrow to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 April 2025.

The most flights from LHR to YUL are scheduled on a Tuesday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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 17 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from London to Montreal to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Azores Airlines
7.5
Good
65 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • 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$ 677. Other airlines that can offer you cheap pricing are United Airlines, from C$ 679, and Air Canada, from C$ 695. Lufthansa is currently priced 26% 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 TAP AIR PORTUGAL (C$ 620), Aer Lingus (C$ 667), and Lufthansa (C$ 697).

  • 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: Aegean Airlines (93%), Air Canada (86%), Austrian Airlines (86%).

  • 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$ 876, our data indicates the cheapest price to be C$ 689. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 502.

  • 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, October 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$ 241). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 312). 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
Laval
Brossard
Dorval
Longueuil
Cornwall
Drummondville
Saint-Jean-sur-Richelieu
Sherbrooke
Boucherville
Saint-Sauveur
Bromont
Montebello
Trois-Rivières

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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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 653AverageC$ 893FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 678AverageC$ 972FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 696AverageC$ 860FlexibilityNo 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?

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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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