Cheap flights from London Heathrow to Calgary

from as little as £471

6 nights in Calgary, departing London Heathrow on 17 / Sep / 2025 with Air Canada (price found 40 hours ago)

Subject to availability, prices correct of the last 24 hours
Calgary

The London Heathrow / Calgary route

All 7020 km of it

Cheap flight deals for this route

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Calgary flight facts

What you need to know

Alternative flights from the UK to Calgary

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Calgary

Today alone, Netflights has searched over 16,426 flights. 17 / Sep / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Calgary route. There are around 1,882 flights on any given week from the UK to Calgary and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-13 °C

AVG

4 °C

HIGHEST

23 °C

Rainfall (mm)
LOWEST

9.4 mm

AVG

34.9 mm

HIGHEST

94 mm

Key facts about Calgary

How to get cheap flights from London Heathrow to Calgary

Tips and advice from our flight experts

We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Calgary. You can choose from nine airlines. At the moment, 17 / Sep / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.

Air Canada is the most popular airline that flies from London Heathrow to Calgary. But it's still worth looking at other options, as there are 1,882 flights to Calgary every week. If you want to broaden your search, look at flights departing from other airports.

The distance between London Heathrow to Calgary is 7020 km. Normally, it takes about 12 hrs 35 mins to fly, and you can definitely expect the journey to be at least 8 hrs 45 mins. You can see the various flight times in the results.

If you want to travel in March, it's best to book your flights early, as this is peak season in Calgary. The cheapest month to fly is normally November – try searching three to four months prior to then to get a bargain. You can also search by month, which will reveal the cheapest time of the week to fly.

Other popular destinations near Calgary

Where other people are flying to

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