Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 592

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
26 Mar — 2 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Montreal Pierre Elliott Trudeau Intl are usually found in September or February, booked 40 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 21 March 2025.

Round-trip from

C$ 707

One-way from

C$ 592

Popular in

August

Cheapest in

September

Average price

C$ 891

Good round-trip deal

C$ 806 or less

Good one-way deal

C$ 834 or less
Air Canada
  • Air Canada
  • 3/5-10/5
  • 1 total stop
  • 20h 35m total
  • London to Montreal
6/5
  • 6/5
  • 3 total stops
  • 26h 55m total
  • London to Montreal
Highest demand for flights based on searches. 14% potential increase in price (C$ 222 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 50 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from London Heathrow to Montreal Pierre Elliott Trudeau Intl.

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 21 March 2025.

Sat 3/56:00 a.m.LHR - YUL
1 stop14h 00mMultiple Airlines
Sat 10/510:25 p.m.YUL - LHR
Nonstop6h 35mMultiple Airlines
Deal found 20/3C$ 707
Thu 1/57:30 p.m.LHR - YUL
1 stop25h 30mLufthansa
Sat 31/59:55 p.m.YUL - LHR
1 stop18h 05mLufthansa
Deal found 20/3C$ 710
Sat 22/38:00 a.m.LHR - YUL
1 stop13h 17mUnited Airlines
Sat 29/39:15 a.m.YUL - LHR
2 stops19h 05mUnited Airlines
Deal found 20/3C$ 716
Thu 27/38:55 a.m.LHR - YUL
1 stop11h 20mSWISS
Mon 31/34:40 p.m.YUL - LHR
1 stop10h 15mSWISS
Deal found 20/3C$ 718
Fri 9/59:30 a.m.LHR - YUL
Nonstop7h 10mAir Canada
Sun 18/510:25 p.m.YUL - LHR
Nonstop6h 35mAir Canada
Deal found 20/3C$ 724
Thu 27/34:30 p.m.LHR - YUL
Nonstop7h 35mBritish Airways
Mon 31/310:10 p.m.YUL - LHR
Nonstop6h 40mBritish Airways
Deal found 20/3C$ 743
Thu 19/66:50 a.m.LHR - YUL
1 stop9h 40mBrussels Airlines
Thu 10/77:05 p.m.YUL - LHR
1 stop17h 00mBrussels Airlines
Deal found 20/3C$ 757
Fri 2/56:05 p.m.LHR - YUL
Nonstop7h 10mAmerican Airlines
Thu 8/510:05 p.m.YUL - LHR
Nonstop6h 40mAmerican Airlines
Deal found 21/3C$ 803
Wed 16/411:30 a.m.LHR - YUL
2 stops16h 58mDelta
Mon 28/46:50 p.m.YUL - LHR
1 stop10h 55mDelta
Deal found 19/3C$ 839
Fri 21/32:50 p.m.LHR - YUL
1 stop28h 05mAustrian Airlines
Thu 3/46:35 p.m.YUL - LHR
1 stop22h 05mAustrian Airlines
Deal found 21/3C$ 850
Tue 25/312:35 p.m.LHR - YUL
2 stops25h 35mFinnair
Tue 1/412:55 p.m.YUL - LHR
2 stops13h 55mFinnair
Deal found 20/3C$ 856

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 21 March 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

Sat 3/5

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

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 10/5

10:25 p.m.-10:00 a.m.

Nonstop6h 35m

C$ 707

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sun 4/5

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

1 stop14h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

1:15 p.m.-9:00 p.m.

1 stop26h 45m

C$ 708

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 1/5

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

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 31/5

9:55 p.m.-9:00 p.m.

1 stop18h 05m

C$ 710

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 18/4

12:00 p.m.-7:48 a.m.

2 stops24h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 23/4

6:20 p.m.-8:20 a.m.

1 stop33h 00m

C$ 729

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 2/4

1:45 p.m.-3:00 p.m.

1 stop30h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 9/4

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

1 stop10h 15m

C$ 731

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 19/6

6:50 a.m.-11:30 a.m.

1 stop9h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 10/7

7:05 p.m.-5:05 p.m.

1 stop17h 00m

C$ 757

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 2/5

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

10:05 p.m.-9:45 a.m.

Nonstop6h 40m

C$ 803

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 2/4

11:45 a.m.-4:55 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 9/4

7:05 a.m.-10:45 a.m.

2 stops22h 40m

C$ 827

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 9/6

6:00 a.m.-6:21 p.m.

2 stops17h 21m

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

9:20 p.m.-9:35 p.m.

2 stops19h 15m

C$ 856

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 2/4

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 10/4

10:05 p.m.-9:45 a.m.

Nonstop6h 40m

C$ 891

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 22 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 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 14 March 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 40 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 April is currently the most expensive (average of C$ 317). 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 21 March 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 21 March 2025.

The most flights from LHR to YUL are scheduled on a Thursday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 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 21 March 2025.
Peruse reviews from past customers who have flown with Delta, Azores Airlines 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.

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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
8.0
Very good

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Overall

8.0

Comfort

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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$ 708. Other airlines that can offer you cheap pricing are Lufthansa, from C$ 710, and United Airlines, from C$ 729. Air Canada is currently priced 25% 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$ 621), Aer Lingus (C$ 708), and Azores Airlines (C$ 724).

  • 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 (77%), Austrian Airlines (77%), Egyptair (77%).

  • 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$ 878, our data indicates the cheapest price to be C$ 701. The most popular route (London Heathrow - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 578.

  • 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 April is currently the most expensive (average of C$ 317). 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

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.

Top 4 airlines flying from Heathrow to Pierre Elliott Trudeau Intl

Discover the top 4 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 21 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 657AverageC$ 993FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapestC$ 675AverageC$ 924FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 701AverageC$ 1,013FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 734AverageC$ 912FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Pierre Elliott Trudeau Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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.

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.