Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport from C$ 352
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
26 Mar — 2 Apr1
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 Saturday
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 24 February 2026.
Mon 8/610:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Thu 18/67:50 p.m.
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 23/2C$ 673
Sun 31/510:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Sun 14/68:00 a.m.
LHR
-
YUL
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 20/2C$ 674
Mon 25/510:45 p.m.
YUL
-
LHR
1 stop18h 15m
TAP AIR PORTUGAL
Wed 10/61:45 p.m.
LHR
-
YUL
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 21/2C$ 676
Mon 25/510:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Mon 1/68:00 a.m.
LHR
-
YUL
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 22/2C$ 678
Sun 7/610:45 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 20/2C$ 685
Fri 5/610:45 p.m.
YUL
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Wed 10/611:20 a.m.
LHR
-
YUL
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 22/2C$ 688
Fri 5/610:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Mon 15/61:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 24/2C$ 691
Mon 1/610:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Mon 22/61:45 p.m.
LHR
-
YUL
1 stop12h 25m
TAP AIR PORTUGAL
Deal found 20/2C$ 692
Mon 1/610:45 p.m.
YUL
-
LHR
1 stop15h 05m
TAP AIR PORTUGAL
Mon 8/68:00 a.m.
LHR
-
YUL
1 stop18h 10m
TAP AIR PORTUGAL
Deal found 20/2C$ 694
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 24 February 2026.
Wed 17/610:45 p.m.
YUL
-
LHR
1 stop11h 50m
TAP AIR PORTUGAL
Sun 21/67:50 p.m.
LHR
-
YUL
1 stop30h 20m
TAP AIR PORTUGAL
Deal found 20/2C$ 710
Fri 1/58:30 p.m.
YUL
-
LHR
1 stop10h 20m
Lufthansa
Mon 11/59:30 a.m.
LHR
-
YUL
1 stop14h 14m
Lufthansa
Deal found 20/2C$ 914
Fri 1/53:25 p.m.
YUL
-
LHR
1 stop12h 55m
United Airlines
Tue 12/59:30 a.m.
LHR
-
YUL
1 stop11h 40m
United Airlines
Deal found 22/2C$ 974
Fri 17/47:00 p.m.
YUL
-
LHR
1 stop10h 30m
Delta
Sat 25/46:15 a.m.
LHR
-
YUL
2 stops21h 53m
Delta
Deal found 23/2C$ 1,171
Fri 17/46:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Mon 27/42:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Lufthansa
Deal found 23/2C$ 962
Sat 21/37:00 a.m.
YUL
-
LHR
1 stop10h 20m
United Airlines
Wed 25/312:50 p.m.
LHR
-
YUL
1 stop12h 52m
United Airlines
Deal found 23/2C$ 1,011
Thu 16/411:23 a.m.
YUL
-
LHR
2 stops14h 32m
United Airlines
Wed 22/410:50 a.m.
LHR
-
YUL
2 stops16h 16m
United Airlines
Deal found 21/2C$ 1,066
Wed 8/49:45 a.m.
YUL
-
LHR
2 stops15h 10m
United Airlines
Wed 15/46:50 a.m.
LHR
-
YUL
2 stops15h 38m
United Airlines
Deal found 22/2C$ 1,070
Fri 20/37:00 a.m.
YUL
-
LHR
1 stop10h 20m
United Airlines
Sat 28/311:05 a.m.
LHR
-
YUL
2 stops41h 08m
United Airlines
Deal found 22/2C$ 1,092
Sun 15/37:00 a.m.
YUL
-
LHR
1 stop10h 20m
United Airlines
Thu 19/312:00 p.m.
LHR
-
YUL
2 stops23h 45m
United Airlines
Deal found 20/2C$ 1,102
Wed 3/63:25 p.m.
YUL
-
LHR
2 stops13h 50m
United Airlines
Sun 21/67:25 a.m.
LHR
-
YUL
2 stops19h 30m
United Airlines
Deal found 21/2C$ 1,194
Mon 10/81:10 p.m.
YUL
-
LHR
1 stop11h 45m
United Airlines
Fri 14/87:45 a.m.
LHR
-
YUL
1 stop13h 25m
United Airlines
Deal found 20/2C$ 1,238
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 24 February 2026.
Fri 15/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sun 24/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 22/2C$ 763
Mon 11/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sat 16/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 22/2C$ 767
Thu 7/510:25 p.m.
YUL
-
LHR
Nonstop6h 35m
Multiple Airlines
Sun 17/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 21/2C$ 785
Fri 8/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sat 16/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 22/2C$ 789
Mon 11/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Sun 31/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 23/2C$ 792
Tue 19/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Tue 26/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 20/2C$ 795
Sat 23/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Sat 6/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 22/2C$ 848
Fri 22/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Fri 5/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 23/2C$ 852
Tue 19/510:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Tue 9/69:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Air Canada
Deal found 23/2C$ 854
Tue 21/410:10 p.m.
YUL
-
LHR
Nonstop6h 50m
Lufthansa
Tue 12/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Lufthansa
Deal found 22/2C$ 889
Wed 22/46:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Multiple Airlines
Wed 6/59:30 a.m.
LHR
-
YUL
Nonstop7h 30m
Multiple Airlines
Deal found 20/2C$ 899
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 24 February 2026 and is based on user searches.
Mon 2/39:45 p.m.
YUL
-
LHR
1 stop17h 50m
Multiple Airlines
Mon 16/38:05 p.m.
LHR
-
YUL
1 stop23h 50m
Multiple Airlines
Deal found 23/2C$ 878
Mon 2/39:45 p.m.
YUL
-
LHR
1 stop17h 50m
Multiple Airlines
Thu 12/39:00 a.m.
LHR
-
YUL
1 stop10h 55m
Multiple Airlines
Deal found 21/2C$ 904
Sat 7/36:45 p.m.
YUL
-
LHR
1 stop10h 20m
Air Canada
Mon 9/39:00 a.m.
LHR
-
YUL
2 stops15h 45m
Air Canada
Deal found 24/2C$ 903
Sun 15/310:40 p.m.
YUL
-
LHR
1 stop11h 45m
Multiple Airlines
Thu 19/33:15 p.m.
LHR
-
YUL
1 stop33h 25m
Multiple Airlines
Deal found 20/2C$ 895
Mon 23/39:25 p.m.
YUL
-
LHR
1 stop15h 10m
Multiple Airlines
Wed 1/45:35 p.m.
LHR
-
YUL
2 stops26h 25m
Multiple Airlines
Deal found 23/2C$ 889
Wed 25/310:40 p.m.
YUL
-
LHR
1 stop11h 45m
Multiple Airlines
Wed 29/47:40 a.m.
LHR
-
YUL
2 stops15h 40m
Multiple Airlines
Deal found 22/2C$ 860
Thu 26/36:40 p.m.
YUL
-
LHR
1 stop21h 55m
Multiple Airlines
Sat 28/38:05 p.m.
LHR
-
YUL
1 stop22h 55m
Multiple Airlines
Deal found 21/2C$ 899
Sun 29/311:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Tue 14/43:30 p.m.
LHR
-
YUL
2 stops34h 30m
Multiple Airlines
Deal found 21/2C$ 901
Mon 30/311:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Sun 12/410:00 p.m.
LHR
-
YUL
2 stops31h 38m
Multiple Airlines
Deal found 24/2C$ 818
Mon 30/311:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Tue 14/43:30 p.m.
LHR
-
YUL
2 stops34h 30m
Multiple Airlines
Deal found 21/2C$ 845
Mon 30/311:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Mon 13/49:10 p.m.
LHR
-
YUL
2 stops39h 50m
Multiple Airlines
Deal found 20/2C$ 854
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 24 February 2026.
Wed 18/310:40 p.m.
YUL
-
LHR
1 stop11h 45m
Multiple Airlines
Deal found 22/2C$ 352
Wed 25/310:40 p.m.
YUL
-
LHR
1 stop11h 45m
Multiple Airlines
Deal found 21/2C$ 368
Mon 30/311:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 22/2C$ 372
Mon 20/411:00 p.m.
YUL
-
LHR
1 stop10h 15m
Multiple Airlines
Deal found 21/2C$ 383
Wed 20/510:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 21/2C$ 394
Sun 15/310:40 p.m.
YUL
-
LHR
1 stop11h 45m
Multiple Airlines
Deal found 22/2C$ 402
Mon 25/510:45 p.m.
YUL
-
LHR
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 23/2C$ 404
Sun 22/310:45 p.m.
YUL
-
LHR
1 stop14h 45m
TAP AIR PORTUGAL
Deal found 22/2C$ 405
Fri 20/310:45 p.m.
YUL
-
LHR
1 stop14h 45m
TAP AIR PORTUGAL
Deal found 20/2C$ 406
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 24 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 24 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.-3:35 p.m.
1 stop11h 50m
London Heathrow
Sun 21/6
7:50 p.m.-9:10 p.m.
1 stop30h 20m
C$ 710
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 1/5
8:30 p.m.-11:50 a.m.
1 stop10h 20m
London Heathrow
Mon 11/5
9:30 a.m.-6:44 p.m.
1 stop14h 14m
C$ 914
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 17/4
6:40 p.m.-6:30 a.m.
Nonstop6h 50m
London Heathrow
Mon 27/4
2:05 p.m.-4:40 p.m.
Nonstop7h 35m
C$ 962
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 1/5
3:25 p.m.-9:20 a.m.
1 stop12h 55m
London Heathrow
Tue 12/5
9:30 a.m.-4:10 p.m.
1 stop11h 40m
C$ 974
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sat 21/3
7:00 a.m.-9:20 p.m.
1 stop10h 20m
London Heathrow
Wed 25/3
12:50 p.m.-9:42 p.m.
1 stop12h 52m
C$ 1,011
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Thu 16/4
11:23 a.m.-6:55 a.m.
2 stops14h 32m
London Heathrow
Wed 22/4
10:50 a.m.-10:06 p.m.
2 stops16h 16m
C$ 1,066
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Wed 8/4
9:45 a.m.-5:55 a.m.
2 stops15h 10m
London Heathrow
Wed 15/4
6:50 a.m.-5:28 p.m.
2 stops15h 38m
C$ 1,070
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 20/3
7:00 a.m.-9:20 p.m.
1 stop10h 20m
London Heathrow
Sat 28/3
11:05 a.m.-12:13 a.m.
2 stops41h 08m
C$ 1,092
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Sun 15/3
7:00 a.m.-9:20 p.m.
1 stop10h 20m
London Heathrow
Thu 19/3
12:00 p.m.-7:45 a.m.
2 stops23h 45m
C$ 1,102
MontrealLondon
YUL - LHR
YULLHR
Montreal Pierre Elliott Trudeau Intl
Fri 17/4
7:00 p.m.-10:30 a.m.
1 stop10h 30m
London Heathrow
Sat 25/4
6:15 a.m.-11:08 p.m.
2 stops21h 53m
C$ 1,171
Flights are sorted by cheapest round-trip flights first.
Deals found on 22/2
Showing 1-10 of 24 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 20 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$ 611). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 936). 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 24 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.
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 24 February 2026.
The most flights from YUL to LHR are scheduled on a Friday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 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$ 771.
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 24 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, Lufthansa, and United Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in about 10h 20m. The time it takes to get you to your destination can typically vary by up to 2h 35m. 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$ 674, 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$ 687 and C$ 724, 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$ 388 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from C$ 432 and Finnair from C$ 508 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: Aegean Airlines (65%), Air Canada (55%), Austrian Airlines (55%).
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$ 1,544, our data indicates the cheapest price to be C$ 678. The most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow), is priced around C$ 663.
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$ 611). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 936). 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
Sutton
Twickenham
Gatwick
Slough
Marlow
Cobham
Leamington Spa
Romford
Watford
Bedford
Luton
High Wycombe
Stratford-upon-Avon
Hounslow
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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 24 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 24 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 24 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 24 February 2026.
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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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