Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from £241

The cheapest month to fly to London from Montreal Pierre Elliott Trudeau Intl Airport is in November. Flight prices, which tend to average around £450, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around £454.

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £456. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Montreal Pierre Elliott Trudeau Intl Airport to London for around £628.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £510. Flights in the evening are often more expensive, with an average ticket price of £549.

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

You are more likely to see cheaper flights to London from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £545 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Montreal Pierre Elliott Trudeau Intl Airport for as low as £504 on momondo.

There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 31% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to London flight.

As of March 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to London flights are approximately 24% more expensive when compared to flights at the same time last year.

Historically, on average around 20% of flights between Montreal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 151 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.

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

According to our data, Air Transat have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Munich (MUC) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Munich (MUC) offer the lowest average return price of £597.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 9h 00m.

Munich (MUC) has the shortest average stopover time for this route: 1h 55m.

11 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to London as of March 2026. The most popular departure time for this route is 20:00, with 100% of flights per day taking off in the evening.

As of March 2026, there are 83 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to London. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.