£273 Find Cheap Flights from London to Chennai – Compare and Save

These are the earliest and latest flight times available from London to Chennai:

• Earliest: departs at 12:40 and lands at 22:41
• Latest: departs at 14:10 and lands at 00:11.

The flight takes about 10h 01m.

Four cabin classes are available on flights from London to Chennai:

• Economy class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A direct flight from London to Chennai takes 10h 01m, covering 5,099 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from London to Chennai range from £492 to £721, with an average of £580 over the past 12 months. Anything below £492 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 3% above the £580 route average. Book 4 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £514 return via Manama Bahrain Intl (BAH), compared with £690 for direct.

British Airways is the only airline operating London to Chennai flights. 81% of its flights are on time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £69–£76 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Afternoon is the busiest departure period on London to Chennai flights, with 100% leaving in that window. Morning departures account for 0%, Evening flights for 0%, and Night flights for 0%.

One-way fares from London to Chennai are currently lower than usual. Average one-way flight prices are about £283, which is 19% below the typical average for this route.

Flights from London to Chennai may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Chennai (MAA).

Afternoon flights have the fewest delays on this route.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London to Chennai route, 19% of flights were delayed in the past three months, with delays averaging 2h 37m.

One-stop flights from London to Chennai most commonly connect through:

• Abu Dhabi Zayed Intl (AUH) – 30% of one-stop connections
• Manama Bahrain Intl (BAH) – 19% of one-stop connections
• Doha Hamad Intl (DOH) – 14% of one-stop connections
• Dubai Intl (DXB) – 14% of one-stop connections

Yes. Flexible dates can save you up to 11% on flights from London to Chennai. Wednesday is the cheapest departure day at £559 return on average, while Saturday is the most expensive at £626, a difference of £66.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

Only British Airways operates flights between London and Chennai.

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time of 13h 31m, compared to 13h 49m via Dubai Intl (DXB) and 13h 55m via Doha Hamad Intl (DOH).

Chennai is 4 hours ahead of London (India Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Among airlines operating London to Chennai flights:

• British Airways: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Provided you are not carrying too much luggage, you can travel from Chennai Airport like the locals and take the public commuter train. Tirusalam Station is a 3min walk from the terminal and offers a wide variety of connections, including to Chennai Beach for about ₹ 10 (£0.10). Buses also stop outside the airport, including the 1B and 18A buses into Chennai. For those with larger luggage, you may wish to instead take a rickshaw or taxi.

Depending on which terminal you are flying from at Heathrow Airport (LHR), you can find a large range of shopping opportunities in the departure lounge while you wait for your flight. Shops such as Boots and Harrods can be found throughout the airport. You can find designer brands like Burberry and Gucci in Terminals 2, 3, 4 and 5. Great Britain gifts are in Terminals 3, 4 and 5, and there is a M.A.C counter in Terminal 3.

If you are looking for something to eat after your long flight from London to Chennai, you can find a number of outlets in the arrivals area of the international terminal in Chennai Airport. Nalaas Aappakadai can provide a range of cuisines, including Chettinadu, Tandoor, Kerala and Chinese. Maggi has several varieties of Maggi noodles, and there are several coffee shops serving hot drinks.

Those flying out of Gatwick Airport can relax at one of the numerous passenger lounges in the North and South Terminal. The No1 Lounges are equipped for business or pleasure and have a range of facilities, including a sports lounge and access to the premium security lane. You can book access to the lounge in advance on the airport website for £32.

If you want to find cheap flights from London to Chennai that are more environmentally friendly, you can use KAYAK’s CO2 emissions search filter. One way to cut your emissions on this route by almost 50% is to fly with Air India from London Heathrow. Flights to Chennai with Air India usually take 14-18h and include one stopover in Mumbai (BOM) or in New Delhi (DEL). Alternatively, you could also fly from London City Airport (LCY) with KLM and change planes in Amsterdam (AMS) and DEL.

There is no on-site hotel located inside Chennai Airport. Instead, passengers will find numerous hotels located just a few minutes’ taxi ride from the terminals, along Airport Road.