WestJet flights from London Heathrow Airport to Calgary (LHR - YYC)

Booking with WestJet 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Calgary. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Currently, the most affordable month to book a WestJet flight from London Heathrow Airport to Calgary in January, with an average price of £275. Conversely, traveling with WestJet from London Heathrow Airport to Calgary in August will be the most expensive, with an average cost of £605. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Calgary ranges from 9.0 - 94.0 inches per month. June is typically the wettest month, when rainfall can reach 94.0 mm. January is typically the driest time to visit Calgary when rainfall is around 9.0 mm.

If weather is an important factor for your trip to Calgary, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -7.0 C).