Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from £284

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
4 May — 11 May1
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 Wednesday or Tuesday and return on a Tuesday

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 29 April 2025.

Round-trip from

£354

One-way from

£284

Popular in

August

Cheapest in

September

Average price

£476

Good round-trip deal

£402 or less

Good one-way deal

£525 or less
Lufthansa
  • Lufthansa
  • 21/5-5/6
  • 2 total stops
  • 27h 55m total
  • London to Montreal
Search Deals
16/5
  • 16/5
  • 1 total stop
  • 19h 45m total
  • London to Montreal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
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

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 29 April 2025.

Wed 21/507:30LHR - YUL
1 stop13h 30mMultiple Airlines
Thu 5/614:10YUL - LHR
1 stop14h 25mMultiple Airlines
Deal found 28/4£354
Wed 3/909:30LHR - YUL
Nonstop7h 10mAir Canada
Mon 8/917:10YUL - LHR
1 stop10h 25mAir Canada
Deal found 28/4£356
Fri 13/609:55LHR - YUL
1 stop12h 00mVirgin Atlantic
Mon 16/618:50YUL - LHR
1 stop14h 00mVirgin Atlantic
Deal found 29/4£357
Sat 14/606:30LHR - YUL
1 stop14h 30mLufthansa
Fri 5/914:10YUL - LHR
1 stop13h 25mLufthansa
Deal found 29/4£360
Tue 24/618:05LHR - YUL
Nonstop7h 10mBritish Airways
Tue 8/722:10YUL - LHR
Nonstop6h 40mBritish Airways
Deal found 29/4£361
Tue 26/806:00LHR - YUL
2 stops35h 10mAustrian Airlines
Tue 2/918:35YUL - LHR
1 stop32h 45mAustrian Airlines
Deal found 29/4£373
Tue 6/508:45LHR - YUL
1 stop11h 15mSWISS
Sun 11/516:40YUL - LHR
1 stop10h 15mSWISS
Deal found 29/4£391
Mon 9/615:20LHR - YUL
1 stop9h 50mDelta
Mon 14/712:47YUL - LHR
2 stops13h 53mDelta
Deal found 29/4£401
Thu 21/807:45LHR - YUL
2 stops13h 25mUnited Airlines
Mon 8/915:30YUL - LHR
2 stops14h 10mUnited Airlines
Deal found 28/4£411
Mon 26/518:05LHR - YUL
Nonstop7h 10mAmerican Airlines
Mon 2/622:10YUL - LHR
Nonstop6h 40mAmerican Airlines
Deal found 29/4£422
Mon 15/906:50LHR - YUL
1 stop9h 45mBrussels Airlines
Fri 19/913:30YUL - LHR
1 stop26h 30mBrussels Airlines
Deal found 28/4£436
Fri 2/509:15LHR - YUL
2 stops18h 39mFinnair
Wed 7/510:44YUL - LHR
2 stops15h 36mFinnair
Deal found 29/4£466

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 29 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

Wed 21/5

07:30-16:00

1 stop13h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 5/6

14:10-09:35

1 stop14h 25m

£354

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 3/9

09:30-11:40

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

17:10-08:35

1 stop10h 25m

£356

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 13/6

09:55-16:55

1 stop12h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

18:50-13:50

1 stop14h 00m

£357

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 14/6

06:30-16:00

1 stop14h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

14:10-08:35

1 stop13h 25m

£360

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 24/6

18:05-20:15

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 8/7

22:10-09:50

Nonstop6h 40m

£361

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 26/8

06:00-12:10

2 stops35h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

18:35-08:20

1 stop32h 45m

£373

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 10/5

08:45-15:00

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

16:40-07:55

1 stop10h 15m

£389

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 9/6

15:20-20:10

1 stop9h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 14/7

12:47-07:40

2 stops13h 53m

£401

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 21/8

07:45-16:10

2 stops13h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

15:30-10:40

2 stops14h 10m

£411

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 26/5

18:05-20:15

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

22:10-09:50

Nonstop6h 40m

£422

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 23 results
1
2
3

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 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 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 return flight from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on 25 April 2025.

The best time to book flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of £475). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of £743). 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 29 April 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to Pierre Elliott Trudeau Intl. Price data was last updated on 30 March 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 29 April 2025.

The most flights from LHR to YUL are scheduled on a Tuesday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 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 inches 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 29 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Azores Airlines from London to Montreal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 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
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 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
1,333 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 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
7.6
Good
66 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 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
1,273 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 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
780 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 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?

    Our cheapest airline available from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is Air Canada. Our recent data shows that you can find tickets from as low as £356 on this airline. Additional options worth looking into are Virgin Atlantic and Lufthansa, starting at £357 and £360 round-trip. Air Canada is priced at 27% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as £325 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from £370 and SWISS from £379 one-way.

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

    Consider Aegean Airlines (93%), Air Canada (86%) or Austrian Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport.

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

    Looking at all options, your cheapest flight can be booked for £313. While the most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl) can be booked for £347 on average our data indicates £1,076 when flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of £475). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of £743). 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
Cornwall
Laval
Dorval
Trois-Rivières

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights

Top 8 airlines flying from Heathrow to Pierre Elliott Trudeau Intl

Discover the top 8 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 858,174 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£97Average£544FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapest£331Average£495FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapest£338Average£535FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£372Average£477FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£373Average£524FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£377Average£518FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£382Average£652FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£410Average£677FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Heathrow to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Pierre Elliott Trudeau Intl.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Pierre Elliott Trudeau Intl with no change fees.

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

Yes, Cheapflights offers price alerts on Heathrow to Pierre Elliott Trudeau Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights