Cheap flights from London Heathrow Airport to Toronto from $345

The cheapest month to fly to Toronto Pearson Intl Airport from London Heathrow Airport is in September. Flight prices, which tend to average around $533, are often lower during this time because this is during the off-season. If you don’t want to visit Toronto Pearson Intl Airport in September, then you should wait until October to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $546.

The cheapest day to depart from London Heathrow Airport to Toronto Pearson Intl Airport is on a Wednesday when prices can be found for as low as $672. The most expensive day to fly to Toronto Pearson Intl Airport is Saturday, with ticket prices averaging around $785.

Flying to Toronto Pearson Intl Airport from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $683 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of $763.

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 $638 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 $578 on momondo.

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

United Airlines and SWISS 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 44% of people opting to fly with this airline when traveling to Toronto Pearson Intl Airport. Keep in mind that there are 7 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 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 in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Toronto Pearson Intl Airport is 34 per day as of April 2026. The most frequent departure time is 5:00PM, with 82% of daily flights leaving in the afternoon.

238 flights are operational weekly from London Heathrow Airport to Toronto Pearson Intl Airport 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.