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Cheap flights from London Heathrow Airport to Chennai from £236

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 30/9. 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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Find the cheapest flights from London Heathrow Airport to Chennai

Cheap return flights

Etihad Airways Logo
20:55 - 20:10LHR-MAA
18h 45m1 stop
Etihad Airways Logo
22:00 - 15:15MAA-LHR
21h 45m1 stop
£390Etihad Airways
Find Deal
Mon, 22 Sep - Thu, 25 Sep
Air India Logo
21:05 - 15:05LHR-MAA
12h 30m1 stop
Air India Logo
07:30 - 19:30MAA-LHR
17h 30m1 stop
£392Air India
Find Deal
Mon, 10 Nov - Tue, 10 Feb
Air India Logo
21:05 - 15:05LHR-MAA
12h 30m1 stop
Air India Logo
07:30 - 19:30MAA-LHR
17h 30m1 stop
£393Air India
Find Deal
Mon, 10 Nov - Tue, 10 Feb
Air India Logo
21:05 - 06:50LHR-MAA
28h 15m1 stop
Air India Logo
15:40 - 19:30MAA-LHR
33h 20m1 stop
£394Air India
Find Deal
Sun, 26 Oct - Tue, 4 Nov
Air India Logo
21:05 - 14:50LHR-MAA
12h 15m1 stop
Air India Logo
15:35 - 19:30MAA-LHR
33h 25m1 stop
£394Air India
Find Deal
Sun, 9 Nov - Sun, 23 Nov
Air France Logo
06:15 - 08:20LHR-MAA
21h 35m2 stops
Air France Logo
20:10 - 10:30MAA-LHR
18h 50m2 stops
£398Air France
Find Deal
Mon, 29 Sep - Wed, 15 Oct
Air France Logo
06:15 - 08:20LHR-MAA
21h 35m2 stops
Air France Logo
22:00 - 13:45MAA-LHR
20h 15m2 stops
£399Air France
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Etihad Airways Logo
20:55 - 14:35LHR-MAA
13h 10m1 stop
Etihad Airways Logo
16:35 - 15:15MAA-LHR
27h 10m1 stop
£402Etihad Airways
Find Deal
Thu, 25 Sep - Thu, 2 Oct
British Airways Logo
14:10 - 05:35LHR-MAA
9h 55mdirect
British Airways Logo
07:35 - 13:35MAA-LHR
11h 30mdirect
£416British Airways
Find Deal
Sun, 1 Mar - Sun, 8 Mar
British Airways Logo
12:40 - 03:30LHR-MAA
10h 20mdirect
British Airways Logo
05:35 - 12:10MAA-LHR
11h 05mdirect
£417British Airways
Find Deal
Mon, 22 Sep - Thu, 9 Oct

Etihad Airways flights from London Heathrow Airport to Chennai

Our best Etihad Airways deals on London Heathrow Airport to Chennai flight tickets
Etihad Airways
22 Sept
LHR20:55London Heathrow
18h 45m
1 stop
MAA20:10Chennai
25 Sept
MAA22:00Chennai
21h 45m
1 stop
LHR15:15London Heathrow
£390
Find similar
Etihad Airways
25 Sept
LHR20:55London Heathrow
13h 10m
1 stop
MAA14:35Chennai
2 Oct
MAA16:35Chennai
27h 10m
1 stop
LHR15:15London Heathrow
£402
Find similar
Etihad Airways
10 Nov
LHR19:20London Heathrow
19h 05m
1 stop
MAA19:55Chennai
17 Nov
MAA03:55Chennai
16h 05m
1 stop
LHR14:30London Heathrow
£402
Find similar

Air India flights from London Heathrow Airport to Chennai

Our best Air India deals on London Heathrow Airport to Chennai flight tickets
Air India
10 Nov
LHR21:05London Heathrow
12h 30m
1 stop
MAA15:05Chennai
10 Feb
MAA07:30Chennai
17h 30m
1 stop
LHR19:30London Heathrow
£392
Find similar
Air India
10 Nov
LHR21:05London Heathrow
12h 30m
1 stop
MAA15:05Chennai
10 Feb
MAA07:30Chennai
17h 30m
1 stop
LHR19:30London Heathrow
£393
Find similar
Air India
26 Oct
LHR21:05London Heathrow
28h 15m
1 stop
MAA06:50Chennai
4 Nov
MAA15:40Chennai
33h 20m
1 stop
LHR19:30London Heathrow
£394
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Chennai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Mon 22/9

20:55-20:10

1 stop18h 45m

Chennai

Thu 25/9

22:00-15:15

1 stop21h 45m

£390

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Mon 10/11

21:05-15:05

1 stop12h 30m

Chennai

Tue 10/2

07:30-19:30

1 stop17h 30m

£392

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Mon 10/11

21:05-15:05

1 stop12h 30m

Chennai

Tue 10/2

07:30-19:30

1 stop17h 30m

£393

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Sun 26/10

21:05-06:50

1 stop28h 15m

Chennai

Tue 4/11

15:40-19:30

1 stop33h 20m

£394

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Sun 9/11

21:05-14:50

1 stop12h 15m

Chennai

Sun 23/11

15:35-19:30

1 stop33h 25m

£394

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Mon 29/9

06:15-08:20

2 stops21h 35m

Chennai

Wed 15/10

20:10-10:30

2 stops18h 50m

£398

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Thu 25/9

06:15-08:20

2 stops21h 35m

Chennai

Thu 2/10

22:00-13:45

2 stops20h 15m

£399

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Thu 25/9

20:55-14:35

1 stop13h 10m

Chennai

Thu 2/10

16:35-15:15

1 stop27h 10m

£402

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Sun 1/3

14:10-05:35

Nonstop9h 55m

Chennai

Sun 8/3

07:35-13:35

Nonstop11h 30m

£416

LondonChennai

LHR - MAA

LHRMAA

London Heathrow

Mon 22/9

12:40-03:30

Nonstop10h 20m

Chennai

Thu 9/10

05:35-12:10

Nonstop11h 05m

£417

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chennai from

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 Tuesday when prices can be found for as low as £602. 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 £648. 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 £524 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 £644.

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 weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around £561 when searching weeks before you fly. 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 £512 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.

How have London Heathrow Airport to Chennai flight prices changed over time?

As of September 2025, prices for London Heathrow Airport to Chennai flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Chennai

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Chennai according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

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

Best price found

£593

Fastest flight time

9h 55m

Direct flights

Every day

Airports in Chennai

1 airport
The best one-way flight to Chennai from London Heathrow Airport in the past 72 hours is £593. The best return flight deal from London Heathrow Airport to Chennai found on momondo in the last 72 hours is £445.
The fastest flight from London Heathrow Airport to Chennai takes 9h 55m
Direct flights go from London Heathrow Airport to Chennai every day.
There is 1 airport near Chennai: Chennai (MAA)
Search flight deals

  • 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?

  • 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?

  • What is the most popular airline from London Heathrow Airport to Chennai?

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
SAUDIAPriceFrom £339Free CancellationRating
7.4
634 reviews
Search SAUDIA flights
Air IndiaPriceFrom £373Free CancellationRating
5.5
2,930 reviews
Search Air India flights
Gulf AirPriceFrom £397Free CancellationRating
7.1
209 reviews
Search Gulf Air flights
Etihad AirwaysPriceFrom £410Free CancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
Kuwait AirwaysPriceFrom £426Free CancellationRating
7.2
306 reviews
Search Kuwait Airways flights
Qatar AirwaysPriceFrom £434Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
Air FrancePriceFrom £444Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Oman AirPriceFrom £448Free CancellationRating
8.3
93 reviews
Search Oman Air flights
British AirwaysPriceFrom £450Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LufthansaPriceFrom £472Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

Travelling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Mahabalipuram
Vellore

Why 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.

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