Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 405

If you are unable to visit London Gatwick Airport during the month of November, then departing from Montreal Pierre Elliott Trudeau Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around C$ 762.

The cheapest day to depart on your flight to London Gatwick Airport is on a Thursday when prices can be found for as low as C$ 850. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Montreal Pierre Elliott Trudeau Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 995.

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 C$ 926 when searching weeks out. 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 C$ 683 on momondo.

There are 3 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 8% 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 147 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 has had the least delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of July 2026, 1 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in London Gatwick Airport each day. The most common flight departure time for this route is 10:00p.m., with 100% of daily flights taking off in the evening.

The number of flights available between Montreal Pierre Elliott Trudeau Intl Airport and London Gatwick Airport is 13 per week as of July 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.