Cheap flights from London to Calcutta

from as little as £493

27 nights in Calcutta, departing London Heathrow on 14 / Aug / 2025 with Air India (price found 17 hours ago)

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

The London / Calcutta route

All 7981 km of it

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Calcutta flight facts

What you need to know

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Calcutta

Today alone, Netflights has searched over 10,351 flights. 14 / Aug / 2025 is currently the lowest priced day of the year to fly the London/Calcutta route. There are around 2,618 flights on any given week from the UK to Calcutta and the cheapest month to fly right now is August.

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

Min / Max Temperature (°C)
LOWEST

14 °C

AVG

27 °C

HIGHEST

36 °C

Rainfall (mm)
LOWEST

6.5 mm

AVG

132.1 mm

HIGHEST

356 mm

Key facts about Calcutta

How to get cheap flights from London to Calcutta

Tips and advice from our flight experts

Find a good deal on your flight from London to Calcutta with Netflights. 2,618 flights go via this route every week, and we've collected them all to help you find the best flight deal. If you want to keep your options open, take a look at flights from another airport in London.

Generally, London Heathrow (LHR) is the most popular choice for flights to Calcutta. And the most popular airlines are Air India, Emirates & Etihad Airways. But when you fly is just as important as who you fly with. If you're flexible on dates, try searching by month to see when the cheapest flights are.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to Calcutta in advance to avoid disappointment. Air India usually have the lowest prices, so keep an eye out for their flights. Flights from London to Calcutta generally take about 15 hrs.

Today, we’ve scanned 10,351 flights, to help you see all the options for your trip to Calcutta. Once you’ve chosen your flight, why not check out our deals on accommodation and car hire? You’ll find lots of hotels in India, including some close to the airport – perfect if you're arriving late or leaving early.

Other popular destinations near Calcutta

Where other people are flying to

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