$296+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Heathrow (LHR)
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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Pierre Elliott Trudeau Intl to Heathrow 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 Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in February or November, booked 81 days in advance, depart on a Friday or Sunday and return on a Thursday
Cheap flight deals from Pierre Elliott Trudeau Intl to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Pierre Elliott Trudeau Intl to HeathrowExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. 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 11/189:45 pm -
1 stop12h 45m
Wed 11/258:15 am -
1 stop16h 40m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$575
This FlightHub deal was found by Cheapflights users on 9/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:45 pm -
1 stop14h 45m
Thu 11/267:55 pm -
1 stop29h 00m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$577
This Air Transat deal was found by Cheapflights users on 9/7. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:30 pm -
1 stop20h 35m
Sat 11/149:55 am -
1 stop31h 35m
Deal found 9/7![Multiple Airlines logo]()
$580
This Air Transat deal was found by Cheapflights users on 9/7. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:45 pm -
1 stop15h 20m
Tue 10/278:50 pm -
1 stop20h 40m
Deal found 9/7![Multiple Airlines logo]()
$581
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. 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 11/189:45 pm -
1 stop12h 45m
Thu 11/266:30 pm -
1 stop30h 25m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$583
This Air Transat deal was found by Cheapflights users on 9/4. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 pm -
1 stop28h 25m
Tue 10/208:50 pm -
1 stop25h 30m
Deal found 9/4![Multiple Airlines logo]()
$589
This Ovago deal was found by Cheapflights users on 9/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:45 pm -
1 stop14h 45m
Sat 11/287:55 pm -
1 stop29h 00m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$612
This Air Transat deal was found by Cheapflights users on 9/5. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:45 pm -
1 stop15h 20m
Wed 10/148:50 pm -
1 stop25h 30m
Deal found 9/5![Multiple Airlines logo]()
$613
This Air Transat deal was found by Cheapflights users on 9/6. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:45 pm -
1 stop28h 25m
Tue 10/208:50 pm -
1 stop25h 30m
Deal found 9/6![Multiple Airlines logo]()
$625
This Air Canada deal was found by Cheapflights users on 9/4. 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 10/96:40 pm -
Nonstop6h 50m
Wed 10/148:40 am -
1 stop11h 20m
Deal found 9/4![Air Canada logo]()
$628
Best flights from Pierre Elliott Trudeau Intl to HeathrowDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This SWISS deal was found by Cheapflights users on 9/4. 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.
Mon 10/124:40 pm -
1 stop10h 15m
Wed 10/216:00 am -
2 stops18h 21m
Deal found 9/4![SWISS logo]()
$659
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 12/15:00 pm -
1 stop9h 55m
Fri 12/118:40 am -
1 stop13h 35m
Deal found 9/7![Delta logo]()
$667
This Virgin Atlantic deal was found by Cheapflights users on 9/6. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:00 pm -
1 stop18h 35m
Fri 12/410:00 am -
2 stops18h 33m
Deal found 9/6![Virgin Atlantic logo]()
$695
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:00 pm -
Nonstop6h 40m
Fri 10/304:45 pm -
Nonstop7h 30m
Deal found 9/3![British Airways logo]()
$727
This Lufthansa deal was found by Cheapflights users on 9/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:40 pm -
Nonstop6h 50m
Fri 9/2512:40 pm -
1 stop10h 38m
Deal found 9/4![Lufthansa logo]()
$742
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.
Sat 10/176:30 pm -
1 stop12h 25m
Sat 10/244:40 pm -
2 stops20h 49m
Deal found 9/2![United Airlines logo]()
$752
This British Airways deal was found by Cheapflights users on 9/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:15 pm -
Nonstop6h 50m
Sun 11/294:45 pm -
Nonstop7h 30m
Deal found 9/7![British Airways logo]()
$728
This British Airways deal was found by Cheapflights users on 9/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:05 pm -
Nonstop6h 50m
Sun 11/294:45 pm -
Nonstop7h 30m
Deal found 9/7![British Airways logo]()
$728
This British Airways deal was found by Cheapflights users on 9/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:15 pm -
Nonstop6h 50m
Sun 11/294:45 pm -
Nonstop7h 30m
Deal found 9/7![British Airways logo]()
$728
This British Airways deal was found by Cheapflights users on 9/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:00 pm -
Nonstop6h 40m
Sun 10/186:05 pm -
Nonstop7h 10m
Deal found 9/6![British Airways logo]()
$747
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:00 pm -
Nonstop6h 40m
Tue 10/136:05 pm -
Nonstop7h 10m
Deal found 9/2![British Airways logo]()
$752
Last-minute flights from Pierre Elliott Trudeau Intl to HeathrowDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to Heathrow. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Heathrow. Data last updated September 7, 2026 and is based on user searches.
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 pm -
Nonstop6h 50m
Wed 9/166:00 am -
1 stop12h 50m
Deal found 9/2![Air Canada logo]()
$632
This Air Canada deal was found by Cheapflights users on 9/7. 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.
Tue 9/156:40 pm -
Nonstop6h 50m
Tue 9/226:00 am -
1 stop12h 50m
Deal found 9/7![Air Canada logo]()
$633
This Air Canada deal was found by Cheapflights users on 9/7. 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.
Tue 9/224:40 pm -
1 stop10h 55m
Thu 10/228:45 am -
1 stop11h 15m
Deal found 9/7![Air Canada logo]()
$639
This Air Transat deal was found by Cheapflights users on 9/5. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:45 pm -
1 stop15h 20m
Wed 10/148:50 pm -
1 stop25h 30m
Deal found 9/5![Multiple Airlines logo]()
$613
This Air Transat deal was found by Cheapflights users on 9/6. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:45 pm -
1 stop28h 25m
Tue 10/208:50 pm -
1 stop25h 30m
Deal found 9/6![Multiple Airlines logo]()
$625
This Air Canada deal was found by Cheapflights users on 9/4. 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 10/99:20 pm -
1 stop18h 40m
Wed 10/148:40 am -
1 stop11h 20m
Deal found 9/4![Air Canada logo]()
$628
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:10 pm -
Nonstop6h 50m
Fri 10/236:00 am -
1 stop14h 00m
Deal found 9/2![Air Canada logo]()
$629
This Air Transat deal was found by Cheapflights users on 9/4. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 pm -
1 stop28h 25m
Tue 10/208:50 pm -
1 stop25h 30m
Deal found 9/4![Multiple Airlines logo]()
$589
This Air Transat deal was found by Cheapflights users on 9/7. 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:45 pm -
1 stop15h 20m
Tue 10/278:50 pm -
1 stop20h 40m
Deal found 9/7![Multiple Airlines logo]()
$581
One-way flights from Pierre Elliott Trudeau Intl to HeathrowSearch for one-way flight options from Pierre Elliott Trudeau Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Pierre Elliott Trudeau Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:45 pm -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
Wed 10/710:45 pm -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$297
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 10/1510:45 pm -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![TAP AIR PORTUGAL logo]()
$298
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:45 pm -
1 stop18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$299
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:45 pm -
1 stop19h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![TAP AIR PORTUGAL logo]()
$300
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:45 pm -
1 stop18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$302
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/59:45 pm -
1 stop14h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$304
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/39:45 pm -
1 stop16h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![TAP AIR PORTUGAL logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sun 11/88:15 pm -
3 stops37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$312
Find flight deals from Pierre Elliott Trudeau Intl to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Heathrow (LHR). 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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $575 (TAP AIR PORTUGAL) |
One-way from | $296 (Booking.com) |
Popular in | December |
Cheapest in | February |
Average price | $719 |
Good round-trip deal | $745 or less |
Good one-way deal | $533 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Heathrow 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 7, 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 9/30
11:45 pm-9:10 am
1 stop28h 25m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$322
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 11/3
6:30 pm-6:00 pm
2 stops18h 30m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$371
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 10/6
2:30 pm-10:20 am
2 stops14h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$423
Quickest round-trip
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Thu 10/1
10:00 pm-9:40 am
Nonstop6h 40m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$436
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 3/5
9:05 pm-8:55 am
Nonstop6h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$436
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 12/4
9:05 pm-8:55 am
Nonstop6h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$436
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 10/19
10:00 pm-9:40 am
Nonstop6h 40m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$436
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 11/3
9:15 pm-9:05 am
Nonstop6h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$436
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Thu 3/4
9:15 pm-9:05 am
Nonstop6h 50m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$436
MontrealLondon
YUL Montreal Pierre Elliott Trudeau Intl - LHR London Heathrow
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 10/12
4:40 pm-7:55 am
1 stop10h 15m
London Heathrow
Wed 10/21
6:00 am-7:21 pm
2 stops18h 21m
$659
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Pierre Elliott Trudeau Intl to Heathrow
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 Pierre Elliott Trudeau Intl to Heathrow in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-London Heathrow 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 Montreal Pierre Elliott Trudeau Intl Airport-London Heathrow 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 Pierre Elliott Trudeau Intl to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Pierre Elliott Trudeau Intl with our price prediction graph.
YUL-LHR
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 Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of $689). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in December is currently the most expensive (average of $927). 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 YUL to LHR?
Find hourly flight availability from Pierre Elliott Trudeau Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.
When flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Montreal to London delayed?
About 25% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 157 minutes.
What is the most punctual flight time for Montreal to London flights?
Historically, flights departing at night 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?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Montreal to London flights?
Over the last year, Air Canada have had the lowest number of delays on this route, with just 25% of flights being delayed.
The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow 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 Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport trip
Our travel experts
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated September 7, 2026.
Read reviews from past customers who have flown TAP AIR PORTUGAL,American Airlines, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow 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.
Comfort
7.2
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Comfort
7.2
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Comfort
7.2
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Comfort
7.2
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Comfort
7.2
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Comfort
7.2
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
Reviews
1 / 20
10.0
ExcellentMelanie,May 2026
ORD - LIS
Related info for your journey
Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Pierre Elliott Trudeau Intl and Heathrow flights
Browse other Pierre Elliott Trudeau Intl and Heathrow flight options. Last updated on September 7, 2026.
Other flights from Pierre Elliott Trudeau Intl
Browse through other flights departing from Pierre Elliott Trudeau Intl. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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Top 5 airlines flying from Pierre Elliott Trudeau Intl to Heathrow
Discover the top 5 airlines that operate flights from Pierre Elliott Trudeau Intl to Heathrow. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$531 | Average$826 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$587 | Average$794 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$610 | Average$771 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$614 | Average$866 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$629 | Average$829 | FlexibilityNo cancel fee | On-time76% |