Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from C$ 465
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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LHR
26 Jun — 3 Jul1
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 14 days in advance, depart on a Sunday or Saturday and return on a Sunday
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 27 May 2026.
Sun 18/1010:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Sun 1/1112:25 p.m.
LHR
-
YUL
1 stop12h 30m
TAP AIR PORTUGAL
Deal found 22/5C$ 811
Mon 21/910:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Mon 28/911:20 a.m.
LHR
-
YUL
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 25/5C$ 812
Mon 19/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Sun 1/1112:25 p.m.
LHR
-
YUL
1 stop12h 30m
TAP AIR PORTUGAL
Deal found 22/5C$ 815
Mon 21/910:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Thu 8/101:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 26/5C$ 819
Sun 20/910:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Mon 28/91:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 25/5C$ 822
Fri 6/119:45 p.m.
YUL
-
LHR
1 stop19h 55m
TAP AIR PORTUGAL
Tue 10/116:30 p.m.
LHR
-
YUL
1 stop30h 25m
TAP AIR PORTUGAL
Deal found 22/5C$ 823
Wed 23/910:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 7/106:45 p.m.
LHR
-
YUL
1 stop31h 25m
TAP AIR PORTUGAL
Deal found 26/5C$ 824
Thu 8/1010:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Tue 13/106:45 p.m.
LHR
-
YUL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 25/5C$ 835
Wed 7/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 21/101:45 p.m.
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 25/5C$ 840
Thu 8/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Thu 22/101:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 22/5C$ 841
Thu 8/1010:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Wed 21/101:45 p.m.
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 25/5C$ 852
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 27 May 2026.
Sun 6/910:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Wed 16/911:20 a.m.
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 23/5C$ 957
Sat 19/98:20 a.m.
YUL
-
LHR
2 stops21h 20m
United Airlines
Tue 29/99:30 a.m.
LHR
-
YUL
2 stops13h 43m
United Airlines
Deal found 23/5C$ 965
Mon 17/810:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Tue 15/96:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 23/5C$ 1,019
Tue 4/86:35 p.m.
YUL
-
LHR
2 stops13h 25m
SWISS
Sun 16/88:05 p.m.
LHR
-
YUL
1 stop23h 55m
SWISS
Deal found 22/5C$ 1,170
Wed 24/65:00 p.m.
YUL
-
LHR
1 stop9h 55m
Delta
Thu 9/710:45 a.m.
LHR
-
YUL
1 stop17h 40m
Delta
Deal found 25/5C$ 1,280
Wed 19/810:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Wed 16/96:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 22/5C$ 1,020
Fri 4/96:00 a.m.
YUL
-
LHR
1 stop9h 40m
United Airlines
Wed 23/99:30 a.m.
LHR
-
YUL
1 stop12h 49m
United Airlines
Deal found 22/5C$ 1,192
Tue 28/76:00 a.m.
YUL
-
LHR
1 stop9h 40m
United Airlines
Sat 15/89:30 a.m.
LHR
-
YUL
1 stop12h 54m
United Airlines
Deal found 24/5C$ 1,211
Wed 16/99:45 a.m.
YUL
-
LHR
2 stops15h 10m
United Airlines
Wed 30/97:30 a.m.
LHR
-
YUL
2 stops14h 49m
United Airlines
Deal found 26/5C$ 1,308
Thu 18/66:00 a.m.
YUL
-
LHR
2 stops23h 15m
United Airlines
Mon 22/69:30 a.m.
LHR
-
YUL
2 stops19h 43m
United Airlines
Deal found 26/5C$ 1,448
Sat 27/61:10 p.m.
YUL
-
LHR
2 stops16h 05m
United Airlines
Tue 7/79:30 a.m.
LHR
-
YUL
2 stops13h 50m
United Airlines
Deal found 23/5C$ 1,559
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 27 May 2026.
Sat 19/910:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Sun 4/109:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 27/5C$ 864
Mon 14/910:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Sat 19/99:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 26/5C$ 866
Sat 10/1010:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sat 17/109:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 25/5C$ 870
Mon 8/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Fri 12/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 23/5C$ 874
Mon 8/610:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Thu 18/66:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 26/5C$ 882
Wed 10/610:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Thu 18/66:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 25/5C$ 884
Tue 15/910:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Fri 25/96:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 25/5C$ 886
Sun 13/910:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sun 27/99:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 23/5C$ 888
Tue 9/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sun 14/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 25/5C$ 889
Sat 19/910:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sun 4/109:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 25/5C$ 891
Mon 21/910:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Tue 29/99:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 25/5C$ 892
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 27 May 2026 and is based on user searches.
Mon 1/610:00 p.m.
YUL
-
LHR
Nonstop6h 40m
British Airways
Mon 8/66:05 p.m.
LHR
-
YUL
Nonstop7h 10m
British Airways
Deal found 25/5C$ 884
Tue 2/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sun 7/66:50 a.m.
LHR
-
YUL
1 stop9h 10m
Air Canada
Deal found 27/5C$ 881
Wed 3/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Sat 20/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 26/5C$ 864
Wed 3/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Mon 8/69:30 a.m.
LHR
-
YUL
1 stop29h 29m
Multiple Airlines
Deal found 25/5C$ 878
Wed 3/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sun 7/66:50 a.m.
LHR
-
YUL
1 stop9h 10m
Air Canada
Deal found 26/5C$ 880
Thu 4/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Fri 12/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 23/5C$ 871
Fri 5/610:25 p.m.
YUL
-
LHR
Nonstop6h 35m
Air Canada
Fri 12/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 25/5C$ 870
Sat 6/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Fri 12/65:50 p.m.
LHR
-
YUL
1 stop22h 05m
Multiple Airlines
Deal found 26/5C$ 869
Tue 9/610:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sun 14/65:50 p.m.
LHR
-
YUL
1 stop22h 05m
Multiple Airlines
Deal found 25/5C$ 882
Tue 16/61:10 p.m.
YUL
-
LHR
1 stop15h 25m
Multiple Airlines
Sun 5/79:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 26/5C$ 875
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 27 May 2026.
Mon 20/711:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 23/5C$ 465
Fri 20/119:45 p.m.
YUL
-
LHR
1 stop14h 45m
TAP AIR PORTUGAL
Deal found 25/5C$ 467
Wed 17/65:45 p.m.
YUL
-
LHR
3 stops20h 40m
Multiple Airlines
Deal found 27/5C$ 468
Wed 15/711:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 23/5C$ 469
Tue 28/711:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 25/5C$ 471
Tue 16/66:45 a.m.
YUL
-
LHR
3 stops34h 00m
Multiple Airlines
Deal found 27/5C$ 472
Tue 21/711:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 26/5C$ 474
Fri 4/95:45 p.m.
YUL
-
LHR
3 stops20h 40m
Multiple Airlines
Deal found 23/5C$ 475
Wed 22/75:45 p.m.
YUL
-
LHR
3 stops20h 40m
Multiple Airlines
Deal found 23/5C$ 476
Mon 15/65:45 p.m.
YUL
-
LHR
3 stops39h 10m
Multiple Airlines
Deal found 27/5C$ 481
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 27 May 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 27 May 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
Price
Cheapest round-trip
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sun 6/9
10:45 p.m.-6:50 p.m.
1 stop15h 05m
London Heathrow
Wed 16/9
11:20 a.m.-8:45 p.m.
1 stop14h 25m
C$ 957
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sat 19/9
8:20 a.m.-10:40 a.m.
2 stops21h 20m
London Heathrow
Tue 29/9
9:30 a.m.-6:13 p.m.
2 stops13h 43m
C$ 965
Quickest round-trip
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Mon 17/8
10:00 p.m.-9:40 a.m.
Nonstop6h 40m
London Heathrow
Tue 15/9
6:05 p.m.-8:15 p.m.
Nonstop7h 10m
C$ 1,019
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 19/8
10:00 p.m.-9:40 a.m.
Nonstop6h 40m
London Heathrow
Wed 16/9
6:05 p.m.-8:15 p.m.
Nonstop7h 10m
C$ 1,020
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 4/8
6:35 p.m.-1:00 p.m.
2 stops13h 25m
London Heathrow
Sun 16/8
8:05 p.m.-3:00 p.m.
1 stop23h 55m
C$ 1,170
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 4/9
6:00 a.m.-8:40 p.m.
1 stop9h 40m
London Heathrow
Wed 23/9
9:30 a.m.-5:19 p.m.
1 stop12h 49m
C$ 1,192
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Tue 28/7
6:00 a.m.-8:40 p.m.
1 stop9h 40m
London Heathrow
Sat 15/8
9:30 a.m.-5:24 p.m.
1 stop12h 54m
C$ 1,211
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 24/6
5:00 p.m.-7:55 a.m.
1 stop9h 55m
London Heathrow
Thu 9/7
10:45 a.m.-11:25 p.m.
1 stop17h 40m
C$ 1,280
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 16/9
9:45 a.m.-5:55 a.m.
2 stops15h 10m
London Heathrow
Wed 30/9
7:30 a.m.-5:19 p.m.
2 stops14h 49m
C$ 1,308
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Thu 18/6
6:00 a.m.-10:15 a.m.
2 stops23h 15m
London Heathrow
Mon 22/6
9:30 a.m.-12:13 a.m.
2 stops19h 43m
C$ 1,448
Flights are sorted by cheapest round-trip flights first.
Deals found on 25/5
Showing 1-10 of 22 resultsSorted by cheapest first
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3
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?
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 13 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$ 855). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in December is currently the most expensive (average of C$ 1,251). 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 27 May 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 much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport?
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 27 May 2026.
The most flights from YUL to LHR are scheduled on a Monday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).
How often are flights from Montreal to London delayed?
About 21% 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 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?
Thursday tends to have the lowest number of delays on this route, whereas Tuesday 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 21% 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.
Lisbon (LIS) – chosen by Cheapflights users on 47% 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$ 767.
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 Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 9h 52m.
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 27 May 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, such as TAP AIR PORTUGAL,American Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Seat was comfortable. Food was really good. Service from crew was great. They were really nice and solicitous.
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 British Airways fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 6h 40m. The time it takes to get you to your destination can typically vary by up to 14h 40m. 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$ 681, 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 Air Canada - these airlines can fly you to your destination from C$ 693 and C$ 757, respectively. TAP AIR PORTUGAL is currently priced 33% 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$ 391 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from C$ 436 and Air Canada from C$ 436 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: United Airlines (85%), American Airlines (83%), Aer Lingus (83%).
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$ 1,610, our data indicates the cheapest price to be C$ 804. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow), is priced around C$ 812.
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$ 855). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in December is currently the most expensive (average of C$ 1,251). 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.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Leamington Spa
Northampton
Watford
Luton
High Wycombe
Stratford-upon-Avon
Moreton-in-Marsh
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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 27 May 2026.
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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 27 May 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 27 May 2026.
Top 7 airlines flying from Pierre Elliott Trudeau Intl to Heathrow
Discover the top 7 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 27 May 2026.
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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Heathrow with no change fees?
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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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