$324 Find Cheap Flights from Montreal to London Heathrow Airport - Compare and Save

If your flying dates are flexible, you should consider flying to London Heathrow Airport on a Sunday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Montreal to London Heathrow Airport. For your return ticket, we recommend flying on a Saturday and avoiding Sundays for the best deals.

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport is November, where tickets cost $621 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is $903 and $824 respectively.

No, with an average price for the route of $691, prices are generally cheapest when you fly direct.

To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport, you should book around 6 weeks before departure, which saves you about 13% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Montreal to London Heathrow Airport were found on TAP AIR PORTUGAL ($530) and Air Canada ($618).

There are 4 airlines that fly nonstop from Montreal Pierre Elliott Trudeau Intl Airport to London Heathrow Airport. They are: Air Canada, American Airlines, British Airways and Lufthansa. The cheapest price of all airlines flying this route was found with Air Canada at $546 for a round-trip flight. On average, the best prices for this route can be found at American Airlines.

Weekly flights between Montreal and London historically see delays in approximately 22% of cases, with the average delay over the past year being 160 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Friday has typically experienced more delays than other days.

Based on our data, Air Canada have experienced the fewest delays on this route in the past 12 months, with only about 21% of their flights encountering any delays.

Lisbon (LIS) is the top choice – 59% of KAYAK users who clicked on 1-stop flights from Montreal to London Heathrow Airport picked an itinerary connecting there.

Flights via Ottawa (YOW) offer the most affordable fares, with an average round-trip price of $692.

Consider flying via Ottawa (YOW) for the shortest journey. The average one-way travel time for flights connecting there is 8h 50m.

If you prefer a quick connection, Ottawa (YOW) often has the shortest layovers from Montreal to London Heathrow Airport, with an average of 1h 27m.

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 2 and 3 nonstop flights that take off from Montreal Pierre Elliott Trudeau Intl Airport and land in London Heathrow Airport, with an average flight time of 6h 46m. The most common departure time is 10:00 pm and most flights take off at night. Each week, there are 19 flights. The most frequent day of departure is Tuesday, when 16% of all weekly flights depart. The fewest flights depart on a Monday.