Cheap flights from Chennai to London from ₹ 24,138

The month of October is, on average, the cheapest month to fly to London from Chennai, with most prices found around ₹ 59,147. The month of November is another great option to travel to London, with average flight prices from Chennai averaging around ₹ 63,293.

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as ₹ 99,241. On the other hand, Saturday is the most expensive day to depart from Chennai because it is more convenient for both business and leisure travellers. As a result, prices tend to be around ₹ 112,053.

Fly from Chennai to London Heathrow for the best Chennai - London flight prices

You are more likely to see cheaper flights to London from Chennai when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around ₹ 70,916 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Chennai for as low as ₹ 63,385 on momondo.

There are 3 cabin classes available to choose from on Chennai to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 38% on your flight if you consider stops on a Chennai to London flight.

Etihad Airways, Air Arabia, and Gulf Air are the most popular carriers operating from Chennai to London

Air India, British Airways and Etihad Airways are the top three most popular airlines that fly to London from Chennai according to our data. Air India is the first choice among our users, with 30% of people opting to fly with this airline when travelling to London. Keep in mind that there are 9 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between Chennai and London have experienced a delay on any given week. The average delay length over the past 12 months has been 238 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Abu Dhabi (AUH) was the most common stop: 44% of momondo users choosing one-stop flights on this route connected there.

Flights via Manama (BAH) offer the lowest average return price of ₹ 26,357.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 20m.

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 11m.

2 flights are operational daily from Chennai to London as of March 2026. The most popular departure time for this route is 07:00, with 100% of flights per day taking off at midday.

14 flights are operational weekly from Chennai to London as of March 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.