Cheap flights from Toronto to London from £219

The cheapest month to fly to London from Toronto is in May. Flight prices, which tend to average around £407, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Toronto averaging around £419.

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £516. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Toronto to London for around £588.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £551. Flights in the afternoon are often more expensive, with an average ticket price of £552.

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

You are more likely to see cheaper flights to London from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £513 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Toronto for as low as £473 on momondo.

There are 3 cabin classes available to choose from on Toronto 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 23% on your flight if you consider stops on a Toronto to London flight.

As of March 2026, prices for Toronto to London flights are approximately 7% more expensive when compared to flights at the same time last year.

TAP AIR PORTUGAL, Air Transat, and Porter Airlines are the most popular carriers operating from Toronto to London

Air Canada, British Airways and Air Transat are the top three most popular airlines that fly to London from Toronto according to our data. Air Canada is the first choice among our users, with 68% of people opting to fly with this airline when travelling to London. Keep in mind that there are 12 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% 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 149 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Monday 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, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

Montreal (YUL) was the most common stop: 64% of momondo users choosing one-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average return price of £379.

Flights connecting via New York (JFK) have the shortest average one-way travel time: 9h 25m.

New York (JFK) has the shortest average stopover time for this route: 1h 08m.

As of March 2026, there are 28 flights per day flying from Toronto to London. The most common time of day flights depart is 23:00, with 100% of flights taking off in the evening.

As of March 2026, there are 197 flights per week flying from Toronto to London. The most common day of the week flights depart is Tue, with 19% of flights taking off on this day.