Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport from C$ 525

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 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 29 April 2025.

Round-trip from

C$ 655

One-way from

C$ 525

Popular in

August

Cheapest in

September

Average price

C$ 881

Good round-trip deal

C$ 738 or less

Good one-way deal

C$ 840 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 (C$ 212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 48 potential savings vs. average RT 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 21/57:30 a.m.LHR - YUL
1 stop13h 30mMultiple Airlines
Thu 5/62:10 p.m.YUL - LHR
1 stop14h 25mMultiple Airlines
Deal found 28/4C$ 655
Wed 3/99:30 a.m.LHR - YUL
Nonstop7h 10mAir Canada
Mon 8/95:10 p.m.YUL - LHR
1 stop10h 25mAir Canada
Deal found 28/4C$ 660
Mon 8/910:30 a.m.LHR - YUL
2 stops15h 23mLufthansa
Mon 22/94:30 p.m.YUL - LHR
1 stop12h 30mLufthansa
Deal found 28/4C$ 667
Wed 7/58:40 a.m.LHR - YUL
1 stop11h 20mSWISS
Wed 14/54:40 p.m.YUL - LHR
1 stop10h 15mSWISS
Deal found 28/4C$ 721
Tue 3/66:05 p.m.LHR - YUL
Nonstop7h 10mBritish Airways
Mon 7/710:10 p.m.YUL - LHR
Nonstop6h 40mBritish Airways
Deal found 28/4C$ 740
Wed 7/57:30 p.m.LHR - YUL
1 stop23h 20mAustrian Airlines
Sun 11/52:10 p.m.YUL - LHR
2 stops26h 30mAustrian Airlines
Deal found 28/4C$ 746
Thu 21/87:45 a.m.LHR - YUL
2 stops13h 25mUnited Airlines
Mon 8/93:30 p.m.YUL - LHR
2 stops14h 10mUnited Airlines
Deal found 28/4C$ 761
Mon 26/56:05 p.m.LHR - YUL
Nonstop7h 10mAmerican Airlines
Mon 2/610:10 p.m.YUL - LHR
Nonstop6h 40mAmerican Airlines
Deal found 29/4C$ 782
Mon 15/96:50 a.m.LHR - YUL
1 stop9h 45mBrussels Airlines
Fri 19/96:55 p.m.YUL - LHR
Nonstop6h 35mBrussels Airlines
Deal found 28/4C$ 808
Tue 13/511:30 a.m.LHR - YUL
2 stops16h 46mDelta
Sun 18/56:50 p.m.YUL - LHR
1 stop10h 55mDelta
Deal found 28/4C$ 813

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 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

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

1 stop13h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 5/6

2:10 p.m.-9:35 a.m.

1 stop14h 25m

C$ 655

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 3/9

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

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

5:10 p.m.-8:35 a.m.

1 stop10h 25m

C$ 660

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 8/9

10:30 a.m.-8:53 p.m.

2 stops15h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

4:30 p.m.-10:00 a.m.

1 stop12h 30m

C$ 667

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 10/5

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

1 stop11h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 13/5

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

1 stop10h 15m

C$ 721

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 3/6

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

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 7/7

10:10 p.m.-9:50 a.m.

Nonstop6h 40m

C$ 740

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Sat 10/5

6:00 a.m.-5:51 p.m.

2 stops16h 51m

Montreal Pierre Elliott Trudeau Intl

Mon 12/5

6:35 p.m.-8:20 a.m.

1 stop32h 45m

C$ 746

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Thu 21/8

7:45 a.m.-4:10 p.m.

2 stops13h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

3:30 p.m.-10:40 a.m.

2 stops14h 10m

C$ 761

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 26/5

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

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

10:10 p.m.-9:50 a.m.

Nonstop6h 40m

C$ 782

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Mon 15/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

1:30 p.m.-9:00 p.m.

1 stop26h 30m

C$ 808

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Tue 13/5

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

2 stops16h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

6:50 p.m.-10:45 a.m.

1 stop10h 55m

C$ 813

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 24 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 25 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 April is currently the most expensive (average of C$ 314). 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.

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 29 April 2025.

The most flights from LHR to YUL are scheduled on a Wednesday (19 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 29 April 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.
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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
SWISS
7.5
Good
1,587 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

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$ 660. Other airlines that can offer you cheap pricing are Lufthansa, from C$ 667, and SWISS, from C$ 721. Air Canada 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 TAP AIR PORTUGAL (C$ 601), Lufthansa (C$ 686), and SWISS (C$ 703).

  • 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$ 859, 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$ 642.

  • 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$ 314). 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
Sherbrooke
Saint-Jean-sur-Richelieu
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 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 652AverageC$ 885FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 678AverageC$ 1,021FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 690AverageC$ 853FlexibilityNo 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.