Cheap flights from Canada to London from £191

In general, February is the cheapest month to fly from Canada to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £443. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Canada averaging around £467.

On average, the least expensive day to fly to London Heathrow Airport from Canada is on a Sunday. momondo users have found tickets for Sunday departures for as low as £545. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £622.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Canada to London Heathrow Airport in the afternoon for as low as £566. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £587 on average. Flights to London Heathrow Airport from Canada in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £532 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Canada for as low as £502 on momondo.

Air Canada, United Airlines, and Lufthansa are the most popular carriers operating from Canada to London Heathrow

Air Canada, British Airways and WestJet are the top three most popular airlines that fly to London Heathrow Airport from Canada according to our data. Air Canada is the first choice among our users, with 71% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between Canada and London have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night 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. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

The number of flights available between Canada and London Heathrow Airport is 82 per day as of May 2026. The most frequent departure time is 22:00, with 91% of daily flights leaving in the evening.

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