Cheap flights from London to Chennai

from as little as £394

6 nights in Chennai, departing London Heathrow on 09 / Jun / 2025 with Air India (price found 48 hours ago)

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

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The London / Chennai route

All 8224 km of it

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Chennai flight facts

What you need to know

Alternative flights from the UK to Chennai

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Chennai

Today alone, Netflights has searched over 66,774 flights. 09 / Jun / 2025 is currently the lowest priced day of the year to fly the London/Chennai route. There are around 20,252 flights on any given week from the UK to Chennai and the cheapest month to fly right now is June.

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

Min / Max Temperature (°C)
LOWEST

-2 °C

AVG

13 °C

HIGHEST

27 °C

Rainfall (mm)
LOWEST

31.7 mm

AVG

113.7 mm

HIGHEST

217.5 mm

Key facts about Chennai

How to get cheap flights from London to Chennai

Tips and advice from our flight experts

Book cheap flights from London to Chennai with Netflights. We scan all 20,252 of the weekly flights going via Chennai, so that you can compare them in one place. If you can’t find what you’re looking for, simply adjust the filters to widen your search.

Generally, London Heathrow (LHR) is the most popular choice for flights to Chennai. And the most popular airlines are British Airways, Lufthansa & Air India. 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.

The 8224 km journey from London to Chennai takes at least 10 hrs 20 mins. On average, Gulf Air have the cheapest flights, but check your search results, as this isn’t always the case. Another way to get a cheap flight is to book last minute – but this does mean you may not be able to get the exact flights you want.

Today, we’ve scanned 66,774 flights, to help you see all the options for your trip to Chennai. 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 Chennai

Where other people are flying to

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