Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from £203

The cheapest month to fly to London Gatwick Airport from Montreal Pierre Elliott Trudeau Intl Airport is in November. Flight prices, which tend to average around £386, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in November, then you should wait until January to fly from Montreal Pierre Elliott Trudeau Intl Airport, when ticket prices are also cheap, with an average price of £396.

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from Montreal Pierre Elliott Trudeau Intl Airport. The lowest ticket price found for a Thursday departure recently was £420. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Montreal Pierre Elliott Trudeau Intl Airport to London Gatwick Airport on a Saturday will generally be more expensive and average around £652. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

You are more likely to see cheaper flights to London Gatwick Airport 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 Gatwick Airport for around £483 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Montreal Pierre Elliott Trudeau Intl Airport for as low as £355 on momondo.

There are 2 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl Airport to London Gatwick Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Montreal Pierre Elliott Trudeau Intl Airport to London Gatwick Airport.

Historically, on average around 14% 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 121 minutes.

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

Thursday 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 14% of their flights experiencing any sort of delay.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and London Gatwick Airport is 2 per day as of August 2026. The most frequent departure time is 22:00, with 100% of daily flights leaving in the evening.

As of August 2026, there are 14 flights per week flying from Montreal Pierre Elliott Trudeau Intl Airport to London Gatwick Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.