Cheap flights from London Heathrow Airport to Montreal from ₹ 38,273

In general, September is the cheapest month to fly from London Heathrow Airport to Montreal. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 31,168. The month of March is another great option to travel to Montreal, with average flight prices from London Heathrow Airport averaging around ₹ 34,389.

On average, the least expensive day to fly to Montreal from London Heathrow Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as ₹ 72,512. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Montreal is Monday, with ticket prices averaging around ₹ 102,327.

Our most recent data shows that the best time of day to fly to Montreal is in the morning. Flights from London Heathrow Airport to Montreal during this time can be as low as ₹ 72,643. Flights to Montreal are more costly in the afternoon, with an average ticket price of ₹ 74,967. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Heathrow to Montreal Pierre Elliott Trudeau Intl for the best London Heathrow - Montreal flight prices

You are more likely to see cheaper flights to Montreal from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around ₹ 67,388 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from London Heathrow Airport for as low as ₹ 62,810 on momondo.

There is only 1 cabin class available to choose from on London Heathrow Airport to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 10% of flights between London and Montreal have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

As of June 2026, 15 flights take off from London Heathrow Airport and land in Montreal each day. The most common flight departure time for this route is 14:00, with 52% of daily flights taking off in the afternoon.

As of June 2026, there are 106 flights per week flying from London Heathrow Airport to Montreal. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.