Flight Time from London to Chennai

At the moment, you can catch a nonstop flight from London to Chennai with the following airlines, including: British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 9 hours 55 minutes to fly from London to Chennai.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Chennai is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

The cheapest months to fly from London to Chennai is November, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from London to Chennai on December 9, 2025 with Gulf Air, with prices starting at US$637.

You can land at any one of the following hubs in Chennai, with Heathrow Airport to Chennai International Airport (LHR-MAA) is by far the most common option on this route: Chennai International Airport (MAA).

The time difference between Chennai and London is 5h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.