Cheap flights from London to Calgary from $724

In general, February is the cheapest month to fly from London to Calgary. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $776. If you don’t want to visit Calgary in February, then you should wait until November to fly from London, when ticket prices are also cheap, with an average price of $843.

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

You are more likely to see cheaper flights to Calgary from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around $1,226 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from London for as low as $1,073 on momondo.

There are 2 cabin classes available to choose from on London to Calgary 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 18% of flights between London and Calgary have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday 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, there are 10 flights per day flying from London to Calgary. The most common time of day flights depart is 13:00, with 100% of flights taking off in the afternoon.

73 flights are operational weekly from London to Calgary as of November 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.