Cheap flights from London Heathrow Airport to Montreal from £255
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YMQ
5 Dec — 12 Dec1
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 Wednesday 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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Best
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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 5 November 2026.
Wed 18/1106:20 -
1 stop14h 20m
Sun 22/1121:25 -
1 stop19h 00m
Deal found 2/11£434
Sat 12/1206:00 -
1 stop14h 10m
Sat 12/1217:10 -
2 stops22h 50m
Deal found 1/11£439
Thu 12/1106:20 -
1 stop14h 20m
Mon 16/1121:25 -
1 stop19h 00m
Deal found 1/11£445
Tue 1/1220:50 -
1 stop20h 40m
Tue 8/1218:30 -
1 stop20h 35m
Deal found 31/10£447
Wed 2/1206:20 -
1 stop11h 20m
Sun 6/1220:10 -
1 stop20h 15m
Deal found 3/11£448
Tue 10/1117:35 -
2 stops26h 35m
Tue 17/1121:25 -
1 stop14h 10m
Deal found 3/11£452
Sat 5/1213:25 -
1 stop22h 45m
Sun 6/1219:10 -
Nonstop7h 00m
Deal found 2/11£456
Wed 2/1206:20 -
1 stop14h 20m
Thu 10/1216:40 -
2 stops23h 45m
Deal found 4/11£461
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 5 November 2026.
Sat 7/1106:35 -
2 stops19h 39m
Sat 14/1110:55 -
2 stops18h 55m
Deal found 31/10£495
Thu 3/1206:20 -
1 stop11h 20m
Thu 24/1220:10 -
1 stop15h 25m
Deal found 4/11£579
Thu 12/1109:00 -
1 stop11h 10m
Sat 28/1116:40 -
1 stop10h 25m
Deal found 1/11£598
Sat 26/1216:45 -
Nonstop7h 30m
Thu 7/121:15 -
Nonstop6h 50m
Deal found 31/10£643
Wed 23/1211:30 -
1 stop32h 50m
Mon 18/106:00 -
2 stops19h 20m
Deal found 4/11£669
Tue 10/1109:30 -
2 stops15h 18m
Tue 17/1107:00 -
2 stops18h 40m
Deal found 3/11£496
Thu 24/1216:20 -
2 stops26h 08m
Wed 6/108:20 -
2 stops23h 40m
Deal found 31/10£518
Thu 12/1109:00 -
1 stop11h 10m
Sun 29/1119:55 -
2 stops15h 25m
Deal found 1/11£622
Fri 25/1206:30 -
1 stop15h 45m
Sat 9/114:44 -
1 stop13h 41m
Deal found 3/11£623
Thu 12/1107:30 -
2 stops17h 18m
Thu 19/1108:25 -
2 stops16h 55m
Deal found 31/10£620
Sat 21/1106:50 -
2 stops17h 58m
Fri 27/1114:13 -
2 stops15h 12m
Deal found 3/11£646
Sat 23/107:30 -
2 stops14h 37m
Mon 1/214:13 -
2 stops13h 57m
Deal found 4/11£655
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 5 November 2026.
Wed 18/1113:00 -
Nonstop7h 35m
Sun 22/1119:10 -
Nonstop7h 00m
Deal found 2/11£601
Thu 12/1116:45 -
Nonstop7h 30m
Mon 16/1121:15 -
Nonstop6h 50m
Deal found 1/11£603
Thu 12/1116:45 -
Nonstop7h 30m
Sun 22/1121:15 -
Nonstop6h 50m
Deal found 2/11£603
Tue 1/1213:00 -
Nonstop7h 35m
Tue 8/1219:10 -
Nonstop7h 00m
Deal found 1/11£604
Tue 10/1113:00 -
Nonstop7h 35m
Tue 17/1119:10 -
Nonstop7h 00m
Deal found 3/11£605
Sat 21/1113:00 -
Nonstop7h 35m
Fri 27/1119:10 -
Nonstop7h 00m
Deal found 2/11£606
Wed 2/1213:00 -
Nonstop7h 35m
Sun 6/1219:10 -
Nonstop7h 00m
Deal found 3/11£606
Mon 9/1113:00 -
Nonstop7h 35m
Mon 16/1119:10 -
Nonstop7h 00m
Deal found 2/11£608
Mon 7/1213:00 -
Nonstop7h 35m
Sun 13/1219:10 -
Nonstop7h 00m
Deal found 2/11£609
Thu 12/1113:00 -
Nonstop7h 35m
Sat 21/1119:10 -
Nonstop7h 00m
Deal found 2/11£610
Sun 8/1113:00 -
Nonstop7h 35m
Sun 15/1119:10 -
Nonstop7h 00m
Deal found 31/10£611
Fri 27/1113:00 -
Nonstop7h 35m
Fri 15/119:10 -
Nonstop7h 00m
Deal found 4/11£612
Last-minute flights from Heathrow to Montreal
Discover last-minute flight deals from Heathrow to Montreal. Data last updated 5 November 2026 and is based on user searches.
Tue 10/1117:35 -
2 stops26h 35m
Tue 17/1121:25 -
1 stop14h 10m
Deal found 3/11£452
Thu 12/1106:20 -
1 stop14h 20m
Mon 16/1121:25 -
1 stop19h 00m
Deal found 1/11£445
Wed 18/1106:20 -
1 stop14h 20m
Sun 22/1121:25 -
1 stop19h 00m
Deal found 2/11£434
Tue 1/1220:50 -
1 stop20h 40m
Tue 8/1218:30 -
1 stop20h 35m
Deal found 31/10£447
Wed 2/1206:20 -
1 stop11h 20m
Sun 6/1220:10 -
1 stop20h 15m
Deal found 3/11£448
Wed 2/1206:20 -
1 stop14h 20m
Thu 10/1216:40 -
2 stops23h 45m
Deal found 4/11£461
Sat 5/1213:25 -
1 stop22h 45m
Sun 6/1219:10 -
Nonstop7h 00m
Deal found 2/11£456
Sat 12/1206:00 -
1 stop14h 10m
Sat 12/1217:10 -
2 stops22h 50m
Deal found 1/11£439
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 5 November 2026.
Sun 11/421:10 -
2 stops32h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/11£255
Tue 23/220:50 -
2 stops44h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/11£257
Fri 19/218:50 -
3 stops52h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£266
Sun 10/120:50 -
2 stops44h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10£267
Fri 15/115:30 -
2 stops26h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£271
Mon 5/421:10 -
2 stops32h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/10£276
Mon 11/109:55 -
2 stops31h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£277
Tue 12/120:50 -
2 stops28h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£280
Thu 14/118:50 -
2 stops30h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/11£281
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 5 November 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 5 November 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
Sat 26/12
18:30-19:12
2 stops29h 42m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£341
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Thu 24/12
16:30-19:55
1 stop32h 25m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£403
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Wed 7/4
08:00-21:10
1 stop18h 10m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£405
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Mon 12/4
08:40-16:50
1 stop13h 10m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£410
Fastest return journey
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Fri 15/1
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
Thu 24/12
16:45-19:15
Nonstop7h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£418
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Sat 26/12
16:45-19:15
Nonstop7h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£419
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Tue 29/12
15:15-12:10
3 stops25h 55m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£422
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Sat 26/12
16:10-23:15
1 stop12h 05m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£439
LondonMontreal
LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl
LHRYUL
London Heathrow
Mon 12/4
12:00-11:44
2 stops28h 44m
Montreal Pierre Elliott Trudeau Intl
Wed 31/12
00:00-06:00
Nonstop0h 00m
£442
Flights are sorted by cheapest return flights first.
Deals found on 4/11
Showing 1-10 of 22 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 £471). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £670). 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 5 November 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.
Weekly flight availability from London Heathrow Airport to Montreal
Explore weekly flight availability from Heathrow to Montreal. 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 5 November 2026.
The most flights from LHR to YMQ are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).
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 £458 and £600 in May.The cheapest return price found within the last 5 days was £417 on TAP AIR PORTUGAL (2 May–9 May).
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 27% 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 £310.
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 5 November 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 £598, United Airlines can have you in Montreal from London Heathrow Airport in 11h 10m. The distance between London Heathrow Airport and Montreal is about 3239 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Montreal round-trip?
According to our current data, Virgin Atlantic (£311), Air Canada (£378), and Finnair (£387) offers the cheapest pricing from London Heathrow Airport to Montreal. Virgin Atlantic is 43% 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 £314. Users have also found prices from £326 and £417 on TAP AIR PORTUGAL and Lufthansa, 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 (87%), Air Canada (86%) or United Airlines (86%) 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 £1,232, our data shows the cheapest flight currently is £314. When looking at the most popular route, (London Heathrow - Montreal Pierre Elliott Trudeau Intl), you can expect to pay £461 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 £471). Flying from London Heathrow Airport to Montreal in July is currently the most expensive (average of £670). 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 5 November 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 5 November 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 5 November 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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