Cheap flights from Calgary to London from R8 479

The month of January is, on average, the cheapest month to fly to London from Calgary, with most prices found around R8 930. If you are unable to visit London during the month of January, then departing from Calgary during the month February is also very affordable. Most momondo users find prices during this month for around R9 531.

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

You are more likely to see cheaper flights to London from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around R14 193 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 Calgary for as low as R12 869 on momondo.

There is only 1 cabin class available to choose from on Calgary to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 17% of flights between Calgary and London have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Generally, flights departing in the evening 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, Air Canada have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of November 2026, 9 flights take off from Calgary and land in London each day. The most common flight departure time for this route is 19:00, with 100% of daily flights taking off in the evening.

As of November 2026, 69 flights take off from Calgary and land in London each week. The most common flight departure day for this route is Fri, with 17% of weekly flights taking off on this day.