Cheap flights from Toronto to London from C$ 393

In general, October is the cheapest month to fly from Toronto to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 777. If you aren’t able to travel to London during the month of October, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 785.

According to our data, Sunday is the cheapest day to fly to London from Toronto. The lowest ticket price found for a Sunday departure recently was C$ 1,198. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 C$ 1,290.

Our most recent data shows that the best time of day to fly to London is in the evening. Flights from Toronto to London during this time can be as low as C$ 1,180. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,349 per ticket.

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 C$ 948 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Toronto for as low as C$ 912 on momondo.

You could potentially save up to 33% on your flight if you consider stops on a Toronto to London flight.

As of May 2026, prices for Toronto to London flights are approximately 21% more expensive when compared to flights at the same time last year.

Air Transat, Porter Airlines, and WestJet 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 53% of people opting to fly with this airline when travelling to London. Keep in mind that there are 17 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 148 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 has had the least delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 32% of momondo users choosing one-stop flights on this route connected there.

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 217.

Flights connecting via Halifax (YHZ) have the shortest average one-way travel time: 8h 55m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 08m.

The number of flights available between Toronto and London is 41 per day as of May 2026. The most frequent departure time is 6:00p.m., with 100% of daily flights leaving in the evening.

The number of flights available between Toronto and London is 292 per week as of May 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.