Cheap flights from Toronto Pearson Intl Airport to London from $261

The cheapest month to fly to London from Toronto Pearson Intl Airport is in February. Flight prices, which tend to average around $595, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Toronto Pearson Intl Airport averaging around $608.

The cheapest day to depart from Toronto Pearson Intl Airport to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $893. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,013. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Toronto Pearson Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $917 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $1,036. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Toronto Pearson Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $722 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Toronto Pearson Intl Airport for as low as $657 on momondo.

There are 4 cabin classes available to choose from on Toronto Pearson Intl Airport to London 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 7% on your flight if you consider stops on a Toronto Pearson Intl Airport to London flight.

As of July 2026, prices for Toronto Pearson Intl Airport to London flights are approximately 22% cheaper when compared to flights at the same time last year.

Air Transat, Porter Airlines, and SWISS are the most popular carriers operating from Toronto Pearson Intl to London

Air Canada, Lufthansa and Air Transat are the top three most popular airlines that fly to London from Toronto Pearson Intl Airport according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when traveling to London. Keep in mind that there are 16 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Toronto and London have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning 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, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 37% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $654.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 38m.

Lisbon (LIS) has the shortest average layover time for this route: 1h 48m.

The number of flights available between Toronto Pearson Intl Airport and London is 43 per day as of July 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

As of July 2026, 307 flights take off from Toronto Pearson Intl Airport and land in London each week. The most common flight departure day for this route is Fri, with 17% of weekly flights taking off on this day.