Cheap flights from London Heathrow Airport to Montreal from £265
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YMQ
20 Nov — 27 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Montreal are usually found in January or March, booked 60 days in advance, depart on a Friday or Monday and return on a Sunday
Cheap flight deals from Heathrow to Montreal
Enter your travel dates to find the best prices.
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One-way
Cheapest flights from Heathrow to Montreal
Explore the most affordable flight options available from Heathrow to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2026.
Wed 4/1106:20 -
1 stop14h 20m
Wed 18/1118:10 -
1 stop17h 25m
Deal found 17/10£439
Tue 10/1106:20 -
1 stop14h 20m
Wed 25/1121:25 -
1 stop19h 00m
Deal found 17/10£441
Thu 19/1106:20 -
1 stop14h 20m
Thu 26/1121:25 -
1 stop19h 00m
Deal found 20/10£446
Tue 1/1220:50 -
1 stop20h 40m
Tue 8/1218:30 -
1 stop33h 40m
Deal found 17/10£450
Wed 25/1116:45 -
Nonstop7h 30m
Sun 29/1121:15 -
Nonstop6h 50m
Deal found 19/10£453
Mon 23/1116:45 -
Nonstop7h 30m
Tue 1/1221:15 -
Nonstop6h 50m
Deal found 19/10£454
Mon 16/1114:45 -
2 stops29h 25m
Mon 23/1121:25 -
1 stop14h 10m
Deal found 19/10£454
Thu 5/1106:20 -
1 stop14h 20m
Wed 11/1121:25 -
1 stop15h 55m
Deal found 20/10£457
Tue 24/1113:00 -
Nonstop7h 35m
Mon 30/1115:00 -
1 stop10h 30m
Deal found 19/10£459
Mon 23/1113:00 -
Nonstop7h 35m
Sun 29/1118:10 -
1 stop12h 10m
Deal found 19/10£463
Wed 4/1106:20 -
2 stops15h 55m
Wed 18/1119:05 -
1 stop16h 30m
Deal found 17/10£466
Best flights from Heathrow to Montreal
Discover carefully curated flight deals from Heathrow to Montreal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 October 2026.
Thu 5/1107:30 -
2 stops17h 18m
Mon 9/1107:00 -
2 stops18h 40m
Deal found 18/10£498
Sat 5/1220:50 -
1 stop20h 40m
Sat 12/1218:30 -
1 stop33h 40m
Deal found 20/10£570
Sat 21/1106:00 -
2 stops19h 25m
Fri 27/1117:20 -
2 stops19h 30m
Deal found 16/10£588
Tue 12/119:30 -
1 stop21h 30m
Thu 11/219:10 -
Nonstop7h 00m
Deal found 20/10£610
Fri 13/1107:30 -
2 stops17h 18m
Mon 16/1110:55 -
2 stops18h 55m
Deal found 20/10£499
Fri 4/1216:20 -
2 stops20h 09m
Fri 11/1215:20 -
2 stops14h 30m
Deal found 19/10£521
Mon 16/1116:20 -
2 stops21h 12m
Mon 23/1115:00 -
1 stop13h 10m
Deal found 19/10£522
Sat 5/1216:20 -
2 stops20h 09m
Sat 12/1213:10 -
1 stop15h 00m
Deal found 20/10£523
Thu 7/112:05 -
1 stop12h 43m
Thu 28/113:10 -
2 stops16h 40m
Deal found 18/10£532
Thu 7/116:20 -
2 stops20h 10m
Wed 27/114:13 -
1 stop11h 27m
Deal found 18/10£532
Sat 7/1106:50 -
2 stops15h 17m
Fri 13/1109:15 -
1 stop16h 25m
Deal found 17/10£628
Direct flights from Heathrow to Montreal
Explore direct flight options from Heathrow to Montreal based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 October 2026.
Wed 25/1116:45 -
Nonstop7h 30m
Sun 29/1121:15 -
Nonstop6h 50m
Deal found 19/10£453
Mon 23/1116:45 -
Nonstop7h 30m
Tue 1/1221:15 -
Nonstop6h 50m
Deal found 19/10£454
Tue 24/1116:45 -
Nonstop7h 30m
Sun 29/1121:15 -
Nonstop6h 50m
Deal found 19/10£469
Tue 24/1116:45 -
Nonstop7h 30m
Tue 1/1221:15 -
Nonstop6h 50m
Deal found 19/10£469
Mon 23/1116:45 -
Nonstop7h 30m
Mon 30/1121:15 -
Nonstop6h 50m
Deal found 19/10£472
Wed 10/216:45 -
Nonstop7h 30m
Mon 15/221:15 -
Nonstop6h 50m
Deal found 16/10£480
Sat 28/1116:45 -
Nonstop7h 30m
Sat 12/1221:05 -
Nonstop6h 50m
Deal found 16/10£483
Mon 23/1116:45 -
Nonstop7h 30m
Sat 28/1121:05 -
Nonstop6h 50m
Deal found 19/10£521
Thu 3/1213:00 -
Nonstop7h 35m
Thu 10/1219:10 -
Nonstop7h 00m
Deal found 19/10£532
Sat 7/1116:45 -
Nonstop7h 30m
Fri 13/1121:05 -
Nonstop6h 50m
Deal found 20/10£537
Thu 5/1113:00 -
Nonstop7h 35m
Mon 9/1119:10 -
Nonstop7h 00m
Deal found 18/10£542
Wed 25/1116:45 -
Nonstop7h 30m
Sat 28/1121:05 -
Nonstop6h 50m
Deal found 19/10£551
Last-minute flights from Heathrow to Montreal
Discover last-minute flight deals from Heathrow to Montreal. Data last updated 21 October 2026 and is based on user searches.
Wed 4/1106:20 -
1 stop14h 20m
Wed 18/1118:10 -
1 stop17h 25m
Deal found 17/10£439
Wed 4/1106:20 -
2 stops15h 55m
Wed 18/1119:05 -
1 stop16h 30m
Deal found 17/10£466
Thu 5/1106:20 -
1 stop14h 20m
Wed 11/1121:25 -
1 stop15h 55m
Deal found 20/10£457
Tue 10/1106:20 -
1 stop14h 20m
Wed 25/1121:25 -
1 stop19h 00m
Deal found 17/10£441
Mon 16/1114:45 -
2 stops29h 25m
Mon 23/1121:25 -
1 stop14h 10m
Deal found 19/10£454
Wed 18/1111:30 -
2 stops32h 40m
Fri 27/1118:10 -
1 stop19h 10m
Deal found 16/10£455
Thu 19/1106:20 -
1 stop14h 20m
Thu 26/1121:25 -
1 stop19h 00m
Deal found 20/10£446
Mon 23/1116:45 -
Nonstop7h 30m
Tue 1/1221:15 -
Nonstop6h 50m
Deal found 19/10£454
Mon 23/1113:00 -
Nonstop7h 35m
Sun 29/1118:10 -
1 stop12h 10m
Deal found 19/10£463
Tue 24/1113:00 -
Nonstop7h 35m
Mon 30/1115:00 -
1 stop10h 30m
Deal found 19/10£459
Wed 25/1116:45 -
Nonstop7h 30m
Sun 29/1121:15 -
Nonstop6h 50m
Deal found 19/10£453
One-way flights from Heathrow to Montreal
Search for one-way flight options from Heathrow to Montreal. Find affordable one-way fares based on user searches. Data last updated 21 October 2026.
Wed 2/1215:30 -
3 stops47h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/10£265
Wed 17/218:50 -
3 stops28h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/10£267
Thu 10/1220:50 -
3 stops41h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/10£269
Sat 5/1220:50 -
3 stops26h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/10£270
Thu 3/1209:55 -
3 stops52h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/10£271
Fri 11/1215:30 -
3 stops32h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/10£272
Sat 12/1209:55 -
3 stops37h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/10£275
Mon 14/1209:55 -
3 stops37h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/10£277
Tue 9/220:50 -
3 stops50h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/10£280
Mon 30/1118:20 -
3 stops53h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/10£282
Find flight deals from Heathrow to Montreal
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Montreal (YMQ). 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 21 October 2026.
Customise your flight search to find flights from Heathrow to Montreal 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 21 October 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Montreal that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Tue 1/12
20:50-12:30
1 stop20h 40m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£362
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Thu 24/12
16:45-19:15
Nonstop7h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£406
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Thu 11/2
16:45-19:15
Nonstop7h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£413
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Tue 22/12
07:00-12:10
2 stops34h 10m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£424
Fastest return journey
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Wed 7/4
18:05-20:15
Nonstop7h 10m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£427
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Thu 7/1
16:10-00:30
1 stop13h 20m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£430
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Sat 26/12
09:55-12:30
1 stop31h 35m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£431
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Thu 24/12
16:10-00:30
1 stop13h 20m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£436
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Thu 24/12
13:10-21:32
1 stop13h 22m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£436
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Sat 26/12
06:30-23:29
2 stops21h 59m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£441
Flights are sorted by cheapest return flights first.
Deals found on 17/10
Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Montreal
Have a flexible travel schedule? Discover the best time to fly to Montreal from Heathrow with our price prediction graph.
LHR-YMQ
LHR-YUL
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Montreal
LHR-YMQ
LHR-YUL
What is the cheapest month to book a flight from London Heathrow Airport to Montreal?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal (average of £478). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £677). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LHR to YMQ?
Find hourly flight availability from Heathrow to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 October 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Montreal as you normally would.
How much does it cost for a return flight from London Heathrow Airport to Montreal?
Airfare is below average for this route at the moment.
London Heathrow Airport to Montreal flights typically cost between £440 and £602 in January.The cheapest return price found within the last 5 days was £404 on TAP AIR PORTUGAL (19 Jan–24 Jan).
What’s the top stopover airport for flights from London Heathrow Airport to Montreal?
Share of one-stop return flights from London Heathrow Airport to Montreal chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Newark (EWR) – chosen by Cheapflights users on 26% of one-stop itineraries from London Heathrow Airport to Montreal on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Montreal?
Average return fare for one-stop flights from London Heathrow Airport to Montreal, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £313.
What’s the fastest stopover option from London Heathrow Airport to Montreal?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Montreal, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Ottawa (YOW) have the shortest average one-way travel time for one-stop routes: 9h 54m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Montreal?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Montreal, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 0h 55m.
How often are flights from London to Montreal delayed?
About 10% of weekly flights between London and Montreal have experienced delays in the past year, with the average delay time being 153 minutes.
What is the most punctual flight time for London to Montreal flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Montreal flights?
Over the past year, Air Canada have had the lowest number of delays on this route, with just 7% of flights being delayed.
How far ahead should I book a flight from London Heathrow Airport to Montreal?
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Montreal, you should look to book at least 63 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.
Reviews of airlines servicing Montreal
Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated 21 October 2026.
See what other customers who have flown with TAP AIR PORTUGAL,Air Canada, andLufthansa from London Heathrow Airport to Montreal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
The staff in First Class were First Class! Very attentive and helpful
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Montreal. 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 London Heathrow Airport to Montreal?
For as low as £498, United Airlines can have you in Montreal from London Heathrow Airport in 17h 18m. The distance between London Heathrow Airport and Montreal is about 3239 mi.
What are the cheapest airlines flying from London Heathrow Airport to Montreal round-trip?
According to our current data, Virgin Atlantic (£314), Air Canada (£381), and Finnair (£391) offers the cheapest pricing from London Heathrow Airport to Montreal. Virgin Atlantic is 42% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Montreal one-way?
For one-way options, check prices for British Airways. According to our data, you can fly for as low as £291. Users have also found prices from £296 and £329 on Virgin Atlantic and TAP AIR PORTUGAL, respectively.
What are the most reliable airlines from London Heathrow Airport to Montreal?
No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Montreal consider choosing MEA (91%), Austrian Airlines (89%) or Egyptair (89%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from London Heathrow Airport to Montreal?
While on average a flight from London Heathrow Airport to Montreal is generally £1,540, our data shows the cheapest flight currently is £294. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £487 for that flight.
Can I find deals for business class flights from Heathrow to Montreal?
Yes. Cheapflights offers flight deals from Heathrow to Montreal 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 London Heathrow Airport to Montreal?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Montreal (average of £478). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £677). 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.
Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 October 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 21 October 2026.
Discover the top 6 airlines that operate flights from Heathrow to Montreal. 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 21 October 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Montreal?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Montreal. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Montreal?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Montreal for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Montreal with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Montreal with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Montreal become cheaper?
Yes! Start tracking prices for Heathrow to Montreal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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