Cheap flights from Toronto to London from £196

The cheapest month to fly to London from Toronto is in January. Flight prices, which tend to average around £444, 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 £451.

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £556. 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 £641.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £575. Flights in the evening are often more expensive, with an average ticket price of £589.

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 £548 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 £501 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 5% on your flight if you consider stops on a Toronto to London flight.

As of June 2026, prices for Toronto to London flights are approximately 15% cheaper when compared to flights at the same time last year.

Air Transat, TAP AIR PORTUGAL, and United 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 72% of people opting to fly with this airline when travelling to London. Keep in mind that there are 10 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 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 14% of their flights experiencing any sort of delay.

Montreal (YUL) was the most common stop: 65% of momondo users choosing one-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average return price of £465.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 40m.

Dublin (DUB) has the shortest average stopover time for this route: 1h 48m.

As of June 2026, there are 40 flights per day flying from Toronto to London. The most common time of day flights depart is 18:00, with 100% of flights taking off in the evening.

As of June 2026, there are 281 flights per week flying from Toronto to London. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.