$348+ Cheap flights from Heathrow (LHR) to Pierre Elliott Trudeau Intl (YUL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YUL
Oct 3 — Oct 101
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Pierre Elliott Trudeau Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from London Heathrow to Montreal Pierre Elliott Trudeau Intl are usually found in September or January, booked 26 days in advance, depart on a Thursday or Wednesday and return on a Friday
Cheap flight deals from Heathrow to Pierre Elliott Trudeau Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to Pierre Elliott Trudeau IntlExplore 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 September 3, 2026.
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 September 3, 2026.
This SWISS deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop14h 00m
Tue 10/275:40 pm -
2 stops16h 00m
Deal found 9/3![SWISS logo]()
$504
This Cheapflightsfares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop14h 00m
Mon 9/214:40 pm -
1 stop10h 15m
Deal found 9/3![SWISS logo]()
$509
This Air Canada deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:30 am -
Nonstop7h 30m
Sun 10/258:10 pm -
Nonstop7h 00m
Deal found 8/31![Air Canada logo]()
$512
This SWISS deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:40 am -
2 stops15h 41m
Tue 10/275:40 pm -
2 stops16h 00m
Deal found 9/2![SWISS logo]()
$513
This Air Canada deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
1 stop11h 20m
Wed 9/1610:00 pm -
1 stop18h 00m
Deal found 9/1![Air Canada logo]()
$517
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop14h 00m
Mon 9/2110:10 pm -
Nonstop6h 50m
Deal found 8/30![Air Canada logo]()
$518
This Orbitz deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop14h 00m
Wed 9/231:10 pm -
1 stop14h 25m
Deal found 8/31![Multiple Airlines logo]()
$519
This Air Canada deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am -
1 stop12h 50m
Mon 9/1410:40 am -
1 stop14h 50m
Deal found 8/31![Air Canada logo]()
$521
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:35 am -
2 stops29h 55m
Tue 12/297:00 am -
1 stop21h 10m
Deal found 9/2![United Airlines logo]()
$529
Best flights from Heathrow to Pierre Elliott Trudeau IntlDiscover carefully curated flight deals from Heathrow to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Heathrow to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:50 am -
2 stops15h 33m
Wed 9/236:00 am -
1 stop10h 25m
Deal found 8/31![United Airlines logo]()
$576
This SWISS deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:40 am -
2 stops15h 41m
Sun 10/256:10 pm -
2 stops14h 50m
Deal found 9/1![SWISS logo]()
$682
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:30 am -
2 stops16h 57m
Sun 10/45:00 pm -
1 stop9h 55m
Deal found 9/1![Delta logo]()
$788
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:45 pm -
1 stop31h 25m
Sat 10/242:30 pm -
2 stops16h 55m
Deal found 9/2![Multiple Airlines logo]()
$804
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:30 pm -
1 stop32h 25m
Sun 1/31:25 pm -
2 stops23h 05m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$858
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:50 am -
2 stops14h 20m
Thu 10/2211:23 am -
2 stops14h 32m
Deal found 8/31![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 am -
2 stops14h 20m
Fri 10/2311:23 am -
2 stops14h 32m
Deal found 9/3![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/309:10 am -
1 stop33h 18m
Fri 1/228:30 am -
2 stops19h 40m
Deal found 9/3![United Airlines logo]()
$758
Last-minute flights from Heathrow to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Heathrow to Pierre Elliott Trudeau Intl. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Pierre Elliott Trudeau Intl. Data last updated September 3, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am -
1 stop12h 50m
Mon 9/1410:40 am -
1 stop14h 50m
Deal found 8/31![Air Canada logo]()
$521
This Air Canada deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
1 stop11h 20m
Wed 9/1610:00 pm -
1 stop18h 00m
Deal found 9/1![Air Canada logo]()
$517
This Orbitz deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop14h 00m
Wed 9/231:10 pm -
1 stop14h 25m
Deal found 8/31![Multiple Airlines logo]()
$519
This Cheapflightsfares deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop14h 00m
Mon 9/214:40 pm -
1 stop10h 15m
Deal found 9/3![SWISS logo]()
$509
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop14h 00m
Mon 9/2110:10 pm -
Nonstop6h 50m
Deal found 8/30![Air Canada logo]()
$518
This Air Canada deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:30 am -
Nonstop7h 30m
Sun 10/258:10 pm -
Nonstop7h 00m
Deal found 8/31![Air Canada logo]()
$512
This SWISS deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:40 am -
2 stops15h 41m
Tue 10/275:40 pm -
2 stops16h 00m
Deal found 9/2![SWISS logo]()
$513
This SWISS deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop14h 00m
Tue 10/275:40 pm -
2 stops16h 00m
Deal found 9/3![SWISS logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:50 am -
2 stops15h 29m
Tue 10/273:20 pm -
2 stops15h 30m
Deal found 9/3![United Airlines logo]()
$530
One-way flights from Heathrow to Pierre Elliott Trudeau IntlSearch for one-way flight options from Heathrow to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Heathrow to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:30 pm -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:50 pm -
2 stops53h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:30 pm -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/283:30 pm -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:30 pm -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/263:30 pm -
2 stops33h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:50 pm -
3 stops51h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$376
This deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:45 pm -
Nonstop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![British Airways logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:55 am -
3 stops38h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$381
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 September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $504 (SWISS) |
One-way from | $348 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $622 |
Good round-trip deal | $667 or less |
Good one-way deal | $498 or less |
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 7,457,451 searches. Data last updated September 3, 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
Cheapest round-trip
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Mon 9/14
8:50 pm-5:20 pm
1 stop25h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$426
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Mon 9/28
8:50 pm-5:20 pm
1 stop25h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$489
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Mon 11/30
8:40 am-5:15 pm
1 stop13h 35m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$495
Quickest round-trip
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Thu 12/24
4:45 pm-7:15 pm
Nonstop7h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$499
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Sat 11/28
6:30 pm-7:55 pm
1 stop30h 25m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$501
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Sun 11/1
8:55 am-3:20 pm
1 stop11h 25m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$502
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Sat 10/31
6:20 am-4:20 pm
1 stop14h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$502
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Mon 11/2
6:20 am-3:20 pm
1 stop14h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$502
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Tue 12/1
8:55 am-3:20 pm
1 stop11h 25m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$502
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Mon 3/1
10:00 am-5:15 pm
1 stop12h 15m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$503
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Pierre Elliott Trudeau Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Pierre Elliott Trudeau Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
LHR-YUL
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
Prices
Airlines
Delays
How far ahead should I book a flight from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport?
The best time to book flights from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport is 25 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, 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 $622). Flying from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $916). 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 September 3, 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 often are flights from London to Montreal delayed?
About 10% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 147 minutes.
What is the most punctual flight time for London to Montreal flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Montreal flights?
Over the last year, Air Canada have had the lowest number of delays on this route, with just 6% of flights being delayed.
The best insider tips for London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport trip
Our travel experts
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 September 3, 2026.
Read reviews from past customers who have flown Air Canada and Lufthansa from London Heathrow Airport to Montreal Pierre Elliott Trudeau Intl Airport. 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.
Food
6.3
Overall
7.1
Comfort
7.1
Crew
7.8
Entertainment
6.8
Boarding
7.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
YYJ - YUL
Food
6.3
Overall
7.1
Comfort
7.1
Crew
7.8
Entertainment
6.8
Boarding
7.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
YYJ - YUL
Food
6.3
Overall
7.1
Comfort
7.1
Crew
7.8
Entertainment
6.8
Boarding
7.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
YYJ - YUL
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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.
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Top 2 airlines flying from Heathrow to Pierre Elliott Trudeau Intl
Discover the top 2 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 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$495 | Average$730 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$513 | Average$756 | FlexibilityNo cancel fee | On-time67% |