Cheap Flights from Chennai to London Heathrow

Compare Chennai to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Chennai to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Chennai to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chennai to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chennai to London Heathrow flights are currently cheapest in December.

Direct flights from Chennai to London Heathrow

Chennai to London Heathrow: Alternative routes

Compare routes from Chennai to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Chennai to London: Flight information

The things to know before you go.
Cheapest flight foundRs65,929
Cheapest month to flyDecember
Average flight time11 hrs, 18 mins
Most popular airlineAmerican Airlines
Average flights per week24

Finding cheap flights from Chennai to London Heathrow: Frequently asked questions

The best price we found for a return flight from Chennai to London Heathrow is Rs131,211. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
11 hours and 18 minutes is the average flight time from Chennai to London Heathrow.
American Airlines and British Airways fly direct from Chennai to London Heathrow.
As of October 2025, there are 24 flights per week flying from Chennai to London Heathrow.
The cheapest month to fly from Chennai to London Heathrow is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chennai Airport to London Heathrow Airport on Tuesday, 28 October 2025.
Yes – the average flight time is 11 hours and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air India and British Airways offer the cheapest flight tickets to London Heathrow.

Travelling from Chennai Airport (MAA) to London Heathrow Airport (LHR): what you need to know

  • The average length of a direct flight from Chennai Airport to London Heathrow Airport is 11 hours 5 minutes.

  • London is five hours 30 minutes behind Chennai and follows the UTC+0 timezone.

  • Flights from MAA to LHR start from 05:35 — the earliest with British Airways. The latest departure is at 07:50 with British Airways. In total, you can take your pick of ten weekly Chennai Airport to London Heathrow Airport flights.

  • Get to the airport on time so you don't miss your MAA to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • You can expect longer queues during popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures will help ensure a smooth travel experience.

  • Getting to London (and then seeing more of United Kingdom!) is a breeze with British Airways. This popular carrier offers direct flights from Chennai Airport to London Heathrow Airport.

  • British Airways tops the list for bookings on this route.

  • British Airways leads the way as the most punctual carrier for MAA to LHR flights, with 85.25% of its services reaching their destination on schedule.

  • If you want to break up your flight, just deselect 'Direct flights only' when searching for your ticket from Chennai Airport to London Heathrow Airport. Here are the most popular stopovers between MAA and LHR:

    • Dubai Airport

    • Chhatrapati Shivaji International Airport

    • Abu Dhabi International Airport

How to find the cheapest flights from Chennai Airport (MAA) to London Heathrow Airport (LHR)

  • Rs65,929 is currently the best price for a one-way Chennai Airport to London Heathrow Airport flight. Return flights start at Rs131,211. These fares may change depending on demand and availability.

  • To pick up cheap tickets from MAA to LHR, reserve your trip 11 months ahead of your departure.

  • October is the cheapest month for flights from Chennai Airport to London Heathrow Airport. If you prefer to fly during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Getting your hands on cheap flights from MAA to LHR is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a new discounted fare appears.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Chennai Airport to London Heathrow Airport.

Handy information about Chennai Airport (MAA)

  • 76.04% of flights that take off from Chennai Airport arrive at their destination on schedule.

  • Chennai Airport is about 19 kilometres from central Chennai. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 45 minutes or so to arrive, depending on the traffic.

  • The journey on public transport takes about 50 minutes.

  • Get your travels off to a leisurely start by staying near MAA. Whether you've booked an early flight from Chennai Airport to London Heathrow Airport or just don't like being rushed, these hotels are the answer:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is approximately 31 kilometres from the centre of London. The drive time takes about 55 minutes.

  • Getting there on public transport will take you around 1 hour.

When to fly to London Heathrow Airport (LHR)

  • July is the busiest month for flights from Chennai Airport to London Heathrow Airport. To escape the crowds, go to London in February.

  • The warmest month in London is July, with the temperature ranging between 11ºC and 26ºC. Book your flights from Chennai Airport to London Heathrow Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between 0ºC and 9ºC. Look for cheap tickets from MAA to LHR sometime then if you like travelling in cooler conditions.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be discovered once you've taken in the sights of London. Around 161 kilometres away to the north-west, popular attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another standout destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without visiting Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.