Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from C$ 350
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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
14 Mar — 21 Mar1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London Heathrow are usually found in November or October, booked 66 days in advance, depart on a Sunday or Saturday and return on a Tuesday
Cheap flight deals from Pierre Elliott Trudeau Intl to Heathrow
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Cheapest flights from Pierre Elliott Trudeau Intl to Heathrow
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 12 February 2026.
Mon 25/510:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Mon 1/61:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 9/2C$ 660
Wed 18/29:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Fri 27/26:00 a.m.
LHR
-
YUL
1 stop19h 15m
TAP AIR PORTUGAL
Deal found 11/2C$ 661
Fri 22/510:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Fri 5/612:00 p.m.
LHR
-
YUL
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 11/2C$ 663
Sun 24/510:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 1/611:20 a.m.
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 12/2C$ 665
Sun 19/410:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Tue 28/47:50 p.m.
LHR
-
YUL
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 9/2C$ 669
Sun 24/510:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Sun 31/54:35 p.m.
LHR
-
YUL
1 stop33h 35m
TAP AIR PORTUGAL
Deal found 10/2C$ 671
Mon 1/610:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Sun 14/61:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 9/2C$ 673
Wed 27/510:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Thu 4/64:35 p.m.
LHR
-
YUL
1 stop33h 35m
TAP AIR PORTUGAL
Deal found 12/2C$ 675
Mon 9/310:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Mon 16/38:15 a.m.
LHR
-
YUL
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 9/2C$ 676
Sun 24/510:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Wed 3/61:45 p.m.
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 10/2C$ 679
Mon 23/29:45 p.m.
YUL
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Thu 12/37:55 p.m.
LHR
-
YUL
1 stop29h 20m
TAP AIR PORTUGAL
Deal found 9/2C$ 680
Best flights from Pierre Elliott Trudeau Intl to Heathrow
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 12 February 2026.
Wed 17/610:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 21/67:50 p.m.
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 10/2C$ 709
Mon 18/511:45 p.m.
YUL
-
LHR
1 stop15h 20m
Multiple Airlines
Fri 29/58:50 p.m.
LHR
-
YUL
1 stop25h 30m
Multiple Airlines
Deal found 9/2C$ 874
Sat 9/58:15 a.m.
YUL
-
LHR
2 stops21h 25m
United Airlines
Sun 17/59:30 a.m.
LHR
-
YUL
1 stop11h 40m
United Airlines
Deal found 9/2C$ 980
Wed 3/66:55 p.m.
YUL
-
LHR
1 stop8h 40m
Lufthansa
Wed 17/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 10/2C$ 986
Mon 29/610:30 a.m.
YUL
-
LHR
1 stop28h 15m
British Airways
Tue 4/86:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 8/2C$ 1,034
Tue 21/46:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Sat 25/42:10 p.m.
LHR
-
YUL
1 stop9h 56m
Lufthansa
Deal found 9/2C$ 1,019
Sun 5/710:31 a.m.
YUL
-
LHR
1 stop30h 09m
British Airways
Tue 4/86:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 9/2C$ 1,043
Fri 17/410:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Sat 25/46:45 p.m.
LHR
-
YUL
1 stop31h 25m
TAP AIR PORTUGAL
Deal found 10/2C$ 1,053
Tue 24/33:10 p.m.
YUL
-
LHR
1 stop11h 20m
Lufthansa
Tue 31/39:30 a.m.
LHR
-
YUL
Nonstop7h 35m
Lufthansa
Deal found 11/2C$ 1,051
Thu 30/410:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Sat 9/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 8/2C$ 1,062
Wed 15/410:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Tue 21/42:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Lufthansa
Deal found 11/2C$ 1,062
Mon 9/38:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Lufthansa
Fri 13/31:25 p.m.
LHR
-
YUL
Nonstop7h 40m
Lufthansa
Deal found 11/2C$ 1,083
Direct flights from Pierre Elliott Trudeau Intl to Heathrow
Explore direct flight options from Pierre Elliott Trudeau Intl to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 February 2026.
Sat 9/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sun 17/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 9/2C$ 897
Sun 10/510:25 p.m.
YUL
-
LHR
Nonstop6h 35m
Air Canada
Tue 19/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 9/2C$ 906
Sat 9/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sat 16/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 9/2C$ 908
Thu 7/510:25 p.m.
YUL
-
LHR
Nonstop6h 35m
Air Canada
Sun 24/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 9/2C$ 909
Mon 11/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sun 17/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 9/2C$ 910
Sat 9/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sun 17/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 10/2C$ 912
Wed 13/510:20 p.m.
YUL
-
LHR
Nonstop6h 40m
Lufthansa
Tue 19/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 10/2C$ 913
Sat 9/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Sun 17/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 12/2C$ 916
Thu 7/510:25 p.m.
YUL
-
LHR
Nonstop6h 35m
Air Canada
Mon 25/52:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Air Canada
Deal found 9/2C$ 981
Mon 16/27:10 p.m.
YUL
-
LHR
Nonstop7h 00m
Lufthansa
Fri 20/23:00 p.m.
LHR
-
YUL
Nonstop7h 45m
Lufthansa
Deal found 9/2C$ 985
Mon 11/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Mon 1/62:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Air Canada
Deal found 10/2C$ 986
Wed 29/46:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Fri 8/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 12/2C$ 988
Last-minute flights from Pierre Elliott Trudeau Intl to Heathrow
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Heathrow. Data last updated 12 February 2026 and is based on user searches.
Wed 18/29:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Fri 27/26:00 a.m.
LHR
-
YUL
1 stop19h 15m
TAP AIR PORTUGAL
Deal found 11/2C$ 660
Mon 23/29:45 p.m.
YUL
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Thu 12/37:55 p.m.
LHR
-
YUL
1 stop29h 20m
TAP AIR PORTUGAL
Deal found 9/2C$ 680
Mon 23/29:45 p.m.
YUL
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Tue 10/36:30 p.m.
LHR
-
YUL
1 stop30h 45m
TAP AIR PORTUGAL
Deal found 9/2C$ 719
Mon 9/310:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Mon 16/38:15 a.m.
LHR
-
YUL
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 9/2C$ 676
Mon 9/310:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Fri 13/38:15 a.m.
LHR
-
YUL
1 stop17h 00m
TAP AIR PORTUGAL
Deal found 9/2C$ 715
Mon 9/310:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Sat 14/37:55 p.m.
LHR
-
YUL
1 stop29h 20m
TAP AIR PORTUGAL
Deal found 11/2C$ 755
Wed 25/310:45 p.m.
YUL
-
LHR
1 stop12h 45m
TAP AIR PORTUGAL
Wed 15/411:20 a.m.
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 10/2C$ 730
Wed 25/310:45 p.m.
YUL
-
LHR
1 stop14h 45m
TAP AIR PORTUGAL
Tue 14/47:50 p.m.
LHR
-
YUL
1 stop29h 55m
TAP AIR PORTUGAL
Deal found 10/2C$ 740
Sun 29/310:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Thu 16/44:35 p.m.
LHR
-
YUL
1 stop33h 35m
TAP AIR PORTUGAL
Deal found 10/2C$ 702
One-way flights from Pierre Elliott Trudeau Intl to Heathrow
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 12 February 2026.
Wed 18/310:40 p.m.
YUL
-
LHR
1 stop11h 45m
Multiple Airlines
Deal found 9/2C$ 350
Mon 30/311:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 11/2C$ 379
Mon 30/310:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 9/2C$ 390
Sun 22/310:45 p.m.
YUL
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Deal found 10/2C$ 392
Fri 27/310:40 p.m.
YUL
-
LHR
1 stop11h 45m
Multiple Airlines
Deal found 10/2C$ 393
Sun 29/310:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Deal found 10/2C$ 396
Mon 11/510:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Deal found 11/2C$ 398
Mon 20/410:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Deal found 10/2C$ 401
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 12 February 2026.
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 629,999 searches. Data last updated 12 February 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
Pierre Elliott Trudeau Intl
Fly to
Heathrow
Route
Depart
Return
Price
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 17/6
10:45 p.m.-6:50 p.m.
1 stop15h 05m
London Heathrow
Sun 21/6
7:50 p.m.-9:10 p.m.
1 stop30h 20m
C$ 709
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 18/5
11:45 p.m.-8:05 p.m.
1 stop15h 20m
London Heathrow
Fri 29/5
8:50 p.m.-5:20 p.m.
1 stop25h 30m
C$ 874
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sat 9/5
8:15 a.m.-10:40 a.m.
2 stops21h 25m
London Heathrow
Sun 17/5
9:30 a.m.-4:10 p.m.
1 stop11h 40m
C$ 980
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 3/6
6:55 p.m.-8:35 a.m.
1 stop8h 40m
London Heathrow
Wed 17/6
9:30 a.m.-12:00 p.m.
Nonstop7h 30m
C$ 986
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 21/4
6:40 p.m.-6:30 a.m.
Nonstop6h 50m
London Heathrow
Sat 25/4
2:10 p.m.-7:06 p.m.
1 stop9h 56m
C$ 1,019
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 29/6
10:30 a.m.-7:45 p.m.
1 stop28h 15m
London Heathrow
Tue 4/8
6:05 p.m.-8:15 p.m.
Nonstop7h 10m
C$ 1,034
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sun 5/7
10:31 a.m.-9:40 p.m.
1 stop30h 09m
London Heathrow
Tue 4/8
6:05 p.m.-8:15 p.m.
Nonstop7h 10m
C$ 1,043
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 24/3
3:10 p.m.-6:30 a.m.
1 stop11h 20m
London Heathrow
Tue 31/3
9:30 a.m.-12:05 p.m.
Nonstop7h 35m
C$ 1,051
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 17/4
10:45 p.m.-10:55 p.m.
1 stop19h 10m
London Heathrow
Sat 25/4
6:45 p.m.-9:10 p.m.
1 stop31h 25m
C$ 1,053
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Thu 30/4
10:10 p.m.-10:00 a.m.
Nonstop6h 50m
London Heathrow
Sat 9/5
9:30 a.m.-12:00 p.m.
Nonstop7h 30m
C$ 1,062
Flights are sorted by cheapest round-trip flights first.
Deals found on 9/2
Showing 1-10 of 19 results
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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
More
How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Heathrow. Price data was last updated on 6 February 2026.
To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, you should look to book at least 66 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 Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of C$ 606). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 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 12 February 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.
Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport
Explore weekly flight availability from Pierre Elliott Trudeau Intl to Heathrow. 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 12 February 2026.
The most flights from YUL to LHR are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 on average).
How often are flights from Montreal to London delayed?
About 23% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 164 minutes.
What is the most punctual flight time for Montreal to London 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?
Wednesday tends to have the lowest number of delays on this route, whereas Thursday 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 past year, Air Canada has had the lowest number of delays on this route, with just 23% of flights being delayed.
What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Paris (CDG) – chosen by Cheapflights users on 43% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of C$ 764.
What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Ottawa (YOW) have the shortest average one-way travel time for 1-stop routes: 9h 00m.
Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 20m.
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 12 February 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as American Airlines,Air Canada, andTAP AIR PORTUGAL. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
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.
How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Airlines like TAP AIR PORTUGAL, United Airlines, and Lufthansa fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 8h 40m. The time it takes to get you to your destination can typically vary by up to 12h 45m. Airlines will cover a distance of 5213 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport round-trip?
Currently priced at C$ 668, TAP AIR PORTUGAL will fly you from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Transat and British Airways - these airlines can fly you to your destination from C$ 680 and C$ 720, respectively. TAP AIR PORTUGAL is currently priced 32% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport one-way?
One-way options have recently been found by users for as low as C$ 384 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from C$ 427 and Finnair from C$ 503 one-way.
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow 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 Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport on time: American Airlines (48%), Aer Lingus (48%), Finnair (48%).
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Looking for the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport? While on average our users pay C$ 1,839, our data indicates the cheapest price to be C$ 658. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow), is priced around C$ 661.
Can I find deals for flights from Pierre Elliott Trudeau Intl to Heathrow that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Heathrow.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Heathrow?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Heathrow 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 Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport (average of C$ 606). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 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.
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Fly from Pierre Elliott Trudeau Intl to Heathrow on these airlines
Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 12 February 2026.
Search flights from Pierre Elliott Trudeau Intl to Heathrow by cabin class
Find flights from Pierre Elliott Trudeau Intl to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 February 2026.
Browse through other flights departing from Pierre Elliott Trudeau Intl. Flights are based on user searches made on Cheapflights and were last updated on 12 February 2026.
Top 9 airlines flying from Pierre Elliott Trudeau Intl to Heathrow
Discover the top 9 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 629,999 searches. Data last updated 12 February 2026.
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 Pierre Elliott Trudeau Intl to Heathrow?
Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Heathrow?
Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Heathrow with no change fees?
Need flexible booking options for your flight to Heathrow from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Heathrow become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Pierre Elliott Trudeau Intl today and book when prices fit your budget.
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