$375 Find Cheap Flights from London to Chennai - Compare and Save

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

• Earliest: departs at 12:40 pm and lands at 10:43 pm
• Latest: departs at 2:10 pm and lands at 12:13 am.

The flight takes about 10h 03m.

Two cabin classes are available on flights from London Heathrow Airport to Chennai:

• Economy Class
• Business Class

A nonstop flight from London Heathrow Airport to Chennai takes 10h 03m, covering 5,113 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.

Round-trip flights from London Heathrow Airport to Chennai range from $640 to $946, with an average of $753 over the past 12 months. Anything below $640 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 4% above the $753 route average. Book 4 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $699 round-trip via Manama Bahrain Intl (BAH), compared to $891 for nonstop.

British Airways is the only airline operating London Heathrow Airport 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 $91–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 787-8 Dreamliner family is used most often on this route, operated mainly by British Airways and Air India. Other aircraft seen on the route include Boeing 787 Dreamliner variants.

Afternoon is the busiest departure period on London Heathrow Airport to Chennai flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

One-way fares from London Heathrow Airport to Chennai are currently higher than usual. Average one-way flight prices are about $1,159, which is 156% above the typical average for this route.

Flights from London Heathrow Airport to Chennai usually depart from London Heathrow (LHR) and 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 Heathrow Airport to Chennai route, 19% of flights were delayed in the past 3 months, with delays averaging 2h 37m.

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

• Abu Dhabi Zayed Intl (AUH) - 35% of one-stop connections
• Manama Bahrain Intl (BAH) - 18% of one-stop connections
• Mumbai Chhatrapati Shivaji Intl (BOM) - 14% of one-stop connections
• Doha Hamad Intl (DOH) - 13% of one-stop connections

Yes. Flexible dates can save you up to 14% on flights from London Heathrow Airport to Chennai. Tuesday is the cheapest departure day at $715 round-trip on average, while Saturday is the most expensive at $826, a difference of $111.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only British Airways operates flights between London Heathrow Airport and Chennai.

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 13h 27m, compared with 13h 57m via Doha Hamad Intl (DOH) and 14h via Dubai Intl (DXB).

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

Among airlines operating London Heathrow Airport 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

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

Taxis are a more convenient and quick way to move to Chennai Central Station from Madras Airport. A taxi ride to Chennai Central from the airport costs around ₹490 (£4.83) and takes approximately 18min. There is still a train linking Madras Airport to Chennai Central Station. The train leaves the airport to Chennai Park and Trisulam. Chennai International Airport is around 10.2 miles away from Chennai Central Railway Station.

Each terminal at London Heathrow has a Left Luggage facility. The airport allows keeping baggage at its facility for up to 90 days. You will spend around £7.50 for keeping an item at the facility for up to 3h and around £12.50 for up to 24h.

London Heathrow Airport is easily accessible from the southeast, nearby London, and across the UK via buses, coaches, and rail. Heathrow Express, the airport’s dedicated train, offers a faster and stress-free transfer from downtown London to Heathrow. The trains run every 15min from Paddington Station, and it takes around 15min to London Heathrow. Cabs are also plenty from central London to Heathrow. A 2-mile distance from London Heathrow takes around 15min and costs approximately £9.40.

There is plenty of free mobile and laptop charging areas throughout the airport. If they’re all fully occupied, check the availability of charging areas with the nearby lounges and shops.

You will probably want to melt your stress away after a long, tiresome flight from London Heathrow to Chennai Airport. Sonya Spa, located near the Domestic Terminal, is the perfect destination for travellers looking for a manicure, pedicure, massage, and other spa services.

Chennai International Airport has a Left Luggage storage facility that charges around ₹20 (£0.2), but the price can vary depending on the size of an item. The storage facility near the Departure Terminal is open 24h. The airport also offers a luggage wrapping service to travellers who want to protect their bags from damage.