If you're looking to fly from London Heathrow to Chennai, you might like to know that 10 / Jun / 2025 currently has the cheapest flights. At the moment, there are 16 airlines flying to Chennai. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Chennai.
Emirates is the most popular airline that flies from London Heathrow to Chennai. But it's still worth looking at other options, as there are 11,890 flights to Chennai every week. If you want to broaden your search, look at flights departing from other airports.
The distance between London Heathrow to Chennai is 8242 km. Normally, it takes about 15 hrs 45 mins to fly, and you can definitely expect the journey to be at least 10 hrs 20 mins. You can see the various flight times in the results.
The cheapest month to fly to Chennai is April, while December is when the prices of flights, hotels and car hire will be at their highest. If you need somewhere to stay for your trip to India, take a look at our accommodation options.
