Cheap flights from London to Calgary from $370

The month of November is, on average, the cheapest month to fly to Calgary from London, with most prices found around $513. If you aren’t able to travel during the month of November, then book flights to Calgary from London during February instead. Flights to Calgary in February, while not as cheap as those in November, still average around $566.

The cheapest day to depart on your flight to Calgary is on a Wednesday when prices can be found for as low as $799. This is often the case because there is less demand to fly during this day of the week. Flights from London to Calgary on a Saturday will generally be more expensive and average around $1,174. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Calgary is in the afternoon when flights can be purchased for as low as $830. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,138 on average. Flights to Calgary from London in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $823 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from London for as low as $814 on momondo.

You could potentially save up to 15% on your flight if you consider stops on a London to Calgary flight.

As of April 2026, prices for London to Calgary flights are approximately 25% cheaper when compared to flights at the same time last year.

WestJet is the most popular carrier operating from London to Calgary

WestJet, Air Canada and Lufthansa are the top three most popular airlines that fly to Calgary from London according to our data. WestJet is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 3 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% 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 137 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of 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 least number of 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 London and Calgary is 12 per day as of April 2026. The most frequent departure time is 10:00AM, with 92% of daily flights leaving at noon.

As of April 2026, 84 flights take off from London and land in Calgary each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.