Cheap flights from London to Toronto from $351

The cheapest month to fly to Toronto Pearson Intl Airport from London is in September. Flight prices, which tend to average around $511, 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 February to fly from London, when ticket prices are also cheap, with an average price of $531.

The cheapest day to depart from London to Toronto Pearson Intl Airport is on a Wednesday when prices can be found for as low as $656. The most expensive day to fly to Toronto Pearson Intl Airport is Monday, with ticket prices averaging around $770.

Flying to Toronto Pearson Intl Airport from London in the morning is the least expensive time of day to depart. momondo users have found prices as low as $663 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of $750.

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

You are more likely to see cheaper flights to Toronto Pearson Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Pearson Intl Airport for around $623 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 for as low as $567 on momondo.

There are 3 cabin classes available to choose from on London 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.

You could potentially save up to 15% on your flight if you consider stops on a London to Toronto Pearson Intl Airport flight.

As of March 2026, prices for London to Toronto Pearson Intl Airport flights are approximately 35% more expensive when compared to flights at the same time last year.

TAP AIR PORTUGAL, Air Transat, and KLM are the most popular carriers operating from London to Toronto Pearson Intl

Air Canada, Lufthansa and Air Transat are the top three most popular airlines that fly to Toronto Pearson Intl Airport from London according to our data. Air Canada is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Toronto Pearson Intl Airport. Keep in mind that there are 8 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 at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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 7% of their flights experiencing any sort of delay.

The number of flights available between London and Toronto Pearson Intl Airport is 29 per day as of March 2026. The most frequent departure time is 11:00AM, with 43% of daily flights leaving at noon.

As of March 2026, 208 flights take off from London and land in Toronto Pearson Intl Airport each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.