Cheap flights from Chennai to London from ₹ 26,217

The month of July is, on average, the cheapest month to fly to London from Chennai, with most prices found around ₹ 23,547. The month of February is another great option to travel to London, with average flight prices from Chennai averaging around ₹ 23,643.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as ₹ 100,701. On the other hand, Friday 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 ₹ 113,342.

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 ₹ 74,122 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 ₹ 65,685 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 23% on your flight if you consider stops on a Chennai to London flight.

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

British Airways, Etihad Airways and Air India are the top three most popular airlines that fly to London from Chennai according to our data. British Airways is the first choice among our users, with 34% of people opting to fly with this airline when travelling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% 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 189 minutes.

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

Sunday 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 13% of their flights experiencing any sort of delay.

Abu Dhabi (AUH) was the most common stop: 54% of momondo users choosing one-stop flights on this route connected there.

Flights via Muscat (MCT) offer the lowest average return price of ₹ 46,762.

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 13h 09m.

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 July 2026. The most popular departure time for this route is 05:00, with 100% of flights per day taking off in the morning.

18 flights are operational weekly from Chennai to London as of July 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.