Cheap flights from London Heathrow Airport to Toronto from £255

The month of February is, on average, the cheapest month to fly to Toronto from London Heathrow Airport, with most prices found around £374. If you are unable to visit Toronto during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around £381.

Our data shows that Friday is the least expensive day to fly to Toronto. Tickets to fly out on this day can be as low as £512. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Toronto on Monday is £546.

In the morning is the cheapest time of day to fly from London Heathrow Airport to Toronto when you can find flight prices for as low as £505. Flying to Toronto in the morning is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the afternoon, with an average ticket price of £562. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Heathrow to Toronto Pearson Intl for the best London Heathrow - Toronto flight prices

You are more likely to see cheaper flights to Toronto from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around £471 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from London Heathrow Airport for as low as £427 on momondo.

You could potentially save up to 7% on your flight if you consider stops on a London Heathrow Airport to Toronto flight.

As of April 2026, prices for London Heathrow Airport to Toronto flights are approximately 6% cheaper when compared to flights at the same time last year.

SWISS, Icelandair, and British Airways are the most popular carriers operating from London Heathrow to Toronto

Air Canada, Lufthansa and Virgin Atlantic are the top three most popular airlines that fly to Toronto from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 70% of people opting to fly with this airline when travelling to Toronto. Keep in mind that there are 16 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between London and Toronto have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

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

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

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 32% of momondo users choosing one-stop flights on this route connected there.

Flights via Frankfurt am Main (FRA) offer the lowest average return price of £365.

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 16m.

Amsterdam (AMS) has the shortest average stopover time for this route: 1h 13m.

As of April 2026, there are 34 flights per day flying from London Heathrow Airport to Toronto. The most common time of day flights depart is 17:00, with 82% of flights taking off in the afternoon.

238 flights are operational weekly from London Heathrow Airport to Toronto as of April 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.