Cheap flights from London Gatwick Airport to Montreal from C$ 550

The cheapest month to fly to Montreal from London Gatwick Airport is in January. Flight prices, which tend to average around C$ 483, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Montreal from London Gatwick Airport during September instead. Flights to Montreal in September, while not as cheap as those in January, still average around C$ 537.

Our data shows that Sunday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 951. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Montreal for around C$ 1,126.

Our data shows that the cheapest London Gatwick Airport to Montreal flights are usually those with departure times at noon. Our users have found flights to Montreal at noon for as low as C$ 1,036. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,112.

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

There is only 1 cabin class available to choose from on London Gatwick Airport to Montreal 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 3% on your flight if you consider stops on a London Gatwick Airport to Montreal flight.

Historically, on average around 14% 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 117 minutes.

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

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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 14% of their flights experiencing any sort of delay.

As of July 2026, 1 flights take off from London Gatwick Airport and land in Montreal each day. The most common flight departure time for this route is 11:00a.m., with 100% of daily flights taking off at noon.

10 flights are operational weekly from London Gatwick Airport to Montreal as of July 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.