Cheap flights from London Heathrow Airport to Toronto from $343

The month of February is, on average, the cheapest month to fly to Toronto from London Heathrow Airport, with most prices found around $507. If you are unable to visit Toronto during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around $517.

On average, the least expensive day to fly to Toronto from London Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $686. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Saturday, with ticket prices averaging around $795.

In the morning is the cheapest time of day to fly from London Heathrow Airport to Toronto when you can find flight prices for as low as $713. Flying to Toronto in the morning is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the afternoon, with an average ticket price of $780. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Toronto from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around $644 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from London Heathrow Airport for as low as $602 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport to Toronto 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 1% on your flight if you consider stops on a London Heathrow Airport to Toronto flight.

As of May 2026, prices for London Heathrow Airport to Toronto flights are approximately 2% more expensive when compared to flights at the same time last year.

Finnair, United Airlines, and Lufthansa are the most popular carriers operating from London Heathrow to Toronto

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Toronto from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 7 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% 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 135 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon 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. 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.

The number of flights available between London Heathrow Airport and Toronto is 28 per day as of May 2026. The most frequent departure time is 5:00PM, with 82% of daily flights leaving in the afternoon.

201 flights are operational weekly from London Heathrow Airport to Toronto as of May 2026. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.