Cheap flights from London Heathrow Airport to Toronto from C$ 476

If you aren’t able to travel during the month of September, then book flights to Toronto Pearson Intl Airport from London Heathrow Airport during October instead. Flights to Toronto Pearson Intl Airport in October, while not as cheap as those in September, still average around C$ 745.

Our data shows that Friday is the least expensive day to fly to Toronto Pearson Intl Airport. Tickets to fly out on this day can be as low as C$ 855. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Toronto Pearson Intl Airport for around C$ 946.

Our data shows that the cheapest London Heathrow Airport to Toronto Pearson Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Toronto Pearson Intl Airport in the morning for as low as C$ 873. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 955 on average. Flights to Toronto Pearson Intl Airport from London Heathrow Airport at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Toronto Pearson Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around C$ 853 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Pearson Intl Airport from London Heathrow Airport for as low as C$ 776 on momondo.

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

TAP AIR PORTUGAL, Virgin Atlantic, and KLM are the most popular carriers operating from London Heathrow to Toronto Pearson Intl

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Toronto Pearson Intl Airport from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Toronto Pearson Intl Airport. Keep in mind that there are 11 different airlines that fly to Toronto Pearson Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% 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 140 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.

Tuesday 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 has had the least delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

Dublin (DUB) was the most common stop: 27% of momondo users choosing one-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of C$ 894.

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 05m.

Montreal (YUL) has the shortest average layover time for this route: 1h 17m.

The number of flights available between London Heathrow Airport and Toronto Pearson Intl Airport is 29 per day as of March 2026. The most frequent departure time is 1:00p.m., with 49% of daily flights leaving in the afternoon.

The number of flights available between London Heathrow Airport and Toronto Pearson Intl Airport is 208 per week as of March 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.