Cheap flights from Canada to London from £194

The cheapest month to fly to London from Canada is in February. Flight prices, which tend to average around £452, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Canada averaging around £453.

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 £539. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Canada to London for around £636.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £566. Flights in the evening are often more expensive, with an average ticket price of £580.

Fly from Calgary to London Heathrow for the best Canada - London flight prices

You are more likely to see cheaper flights to London from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £542 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 Canada for as low as £494 on momondo.

There are 3 cabin classes available to choose from on Canada to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air Transat, Porter Airlines, and Lufthansa are the most popular carriers operating from Canada to London

Air Canada, British Airways and WestJet are the top three most popular airlines that fly to London 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. 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 20% 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 148 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 17% of their flights experiencing any sort of delay.

The number of flights available between Canada and London is 76 per day as of July 2026. The most frequent departure time is 20:00, with 97% of daily flights leaving in the evening.

537 flights are operational weekly from Canada to London as of July 2026. The most popular departure day for this route is Sat, with 15% of flights per week taking off on this day.