Cheap flights from London Heathrow Airport to Chennai from £217
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Chennai departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Air India flights from London Heathrow Airport to Chennai
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Gulf Air flights from London Heathrow Airport to Chennai
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How to get the cheapest flight ticket from London Heathrow Airport to Chennai
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chennai?
The month of September is, on average, the cheapest month to fly to Chennai from London Heathrow Airport, with most prices found around £467. If you aren’t able to travel during the month of September, then book flights to Chennai from London Heathrow Airport during May instead. Flights to Chennai in May, while not as cheap as those in September, still average around £475.
What is the cheapest day to depart on your flight to Chennai?
The cheapest day to depart on your flight to Chennai is on a Wednesday when prices can be found for as low as £595. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £646. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chennai.
What is the cheapest time of day to depart on your flight to Chennai?
Flying to Chennai from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £522 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Chennai is in the morning when prices are around £650.
What is the cheapest London Heathrow to Chennai flight route?
Fly from London Heathrow to Chennai for the best London Heathrow - Chennai flight prices
How far in advance should I book a flight to Chennai?
You are more likely to see cheaper flights to Chennai from London Heathrow Airport when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around £566 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from London Heathrow Airport for as low as £504 on momondo.
What cabin class options are available on London Heathrow to Chennai flights?
There are 3 cabin classes available to choose from on London Heathrow to Chennai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Chennai?
Air India, Gulf Air, and Etihad Airways are the most popular carriers operating from London Heathrow to Chennai
Which airlines fly to Chennai?
British Airways, Air India and Etihad Airways are the top three most popular airlines that fly to Chennai from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when travelling to Chennai. Keep in mind that there are 16 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Chennai on average per day?
As of June 2025, 1 flights take off from London Heathrow Airport and land in Chennai each day. The most common flight departure time for this route is 12:00, with 100% of daily flights taking off in the afternoon.
How many flights depart from London Heathrow Airport to Chennai on average per week?
10 flights are operational weekly from London Heathrow Airport to Chennai as of June 2025. The most popular departure day for this route is Wed, with 20% of flights per week taking off on this day.
When to book flights from London Heathrow Airport to Chennai
Cheap London Heathrow Airport to Chennai (LHR to MAA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Chennai
How far is London Heathrow to Chennai by plane?
The distance between London Heathrow and Chennai is about 5112.7 mi. A reasonable flight in good conditions will take 9h 55m.
When did momondo last update prices for flights from London Heathrow Airport to Chennai Airport?
Prices for flights from London Heathrow Airport to Chennai Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Chennai Airport?
As of June 2025, there are 16 operators available to choose from for flights from London Heathrow Airport to Chennai Airport.
How old do you have to be to fly from London Heathrow Airport to Chennai Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Chennai Airport.
What documentation or ID do you need to fly to Chennai Airport?
The travel and health documents you'll need for your trip to Chennai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chennai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Chennai?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Chennai is Boeing 787-8 Dreamliner, representing 96.91% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 2.24%, Airbus A350-1000 at 0.45%, and Boeing 777 at 0.24%.
What is the most popular airline from London Heathrow Airport to Chennai?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Chennai is British Airways, representing 24% of all bookings. The subsequent popular airlines are Air India at 21%, Etihad Airways at 16%, and Gulf Air at 11%.
Best airlines flying from London Heathrow Airport to Chennai
Compare and see reviews for airlines that fly from London Heathrow Airport to Chennai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £337 | Free Cancellation | Rating 7.4 617 reviews | |||
| PriceFrom £376 | Free Cancellation | Rating 5.5 2,914 reviews | |||
| PriceFrom £402 | Free Cancellation | Rating 7.1 301 reviews | |||
| PriceFrom £403 | Free Cancellation | Rating 7.1 200 reviews | |||
| PriceFrom £405 | Free Cancellation | Rating 7.4 1,211 reviews | |||
| PriceFrom £432 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom £444 | Free Cancellation | Rating 8.3 92 reviews | |||
| PriceFrom £458 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £466 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom £484 | Free Cancellation | Rating 7.5 1,463 reviews |
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Book flights to Chennai if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Chennai?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Chennai . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Chennai with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Chennai flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Chennai?
Once all potential London to Chennai flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Chennai right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Chennai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.