Cheap flights from London to Toronto from $340

The cheapest month to fly to Toronto Pearson Intl Airport from London is in February. Flight prices, which tend to average around $503, 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 February, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of $526.

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 $681. The most expensive day to fly to Toronto Pearson Intl Airport is Saturday, with ticket prices averaging around $793.

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 $706 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of $777.

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 $642 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 $585 on momondo.

SWISS, Finnair, and Lufthansa 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 15% 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 132 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 9% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $508.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 03m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 55m.

The number of flights available between London and Toronto Pearson Intl Airport is 32 per day as of May 2026. The most frequent departure time is 5:00PM, with 82% of daily flights leaving in the afternoon.

As of May 2026, 226 flights take off from London and land in Toronto Pearson Intl Airport each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.