Flights from London Heathrow to Chennai

Our cheapest offers for flights from London Heathrow to Chennai

Here you can compare cheap flights from London Heathrow (LHR) to Chennai (MAA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Chennai. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
Chennai
Outbound
17/11/25
1 Stopover (BLR)
AI0132, AI2824
12h 30min
Return
07/12/25
1 Stopover (BLR)
AI2823, AI0133
33h 25min
Air India
£376
Best option
London Heathrow
Chennai
Outbound
08/12/25
direct
BA0035
09h 55min
Return
24/12/25
direct
BA0036
11h 30min
British Airways
£564
London Heathrow
Chennai
Outbound
19/11/25
1 Stopover (BLR)
AI0132, AI2824
12h 15min
Return
09/12/25
1 Stopover (BLR)
AI0526, AI0133
17h 30min
Air India
£389
London Heathrow
Chennai
Outbound
11/11/25
1 Stopover (BLR)
AI0132, AI2824
12h 15min
Return
01/12/25
1 Stopover (DEL)
AI0538, AI0161
15h 25min
Air India
£393
London Heathrow
Chennai
Outbound
13/11/25
1 Stopover (BLR)
AI0132, AI2824
12h 15min
Return
03/12/25
1 Stopover (BLR)
AI0526, AI0133
17h 30min
Air India
£394
London Heathrow
Chennai
Outbound
18/11/25
1 Stopover (BLR)
AI0132, AI2824
12h 15min
Return
08/12/25
1 Stopover (BOM)
AI0640, AI0131
28h 35min
Air India
£397
London Heathrow
Chennai
Outbound
18/11/25
1 Stopover (BLR)
AI0132, AI0525
28h 15min
Return
08/12/25
1 Stopover (BLR)
AI0526, AI0133
17h 30min
Air India
£398
London Heathrow
Chennai
Outbound
04/11/25
1 Stopover (BAH)
GF0006, GF0068
25h 25min
Return
03/12/25
1 Stopover (BAH)
GF0069, GF0003
14h 40min
Gulf Air ?
£402
London Heathrow
Chennai
Outbound
18/11/25
1 Stopover (BLR)
AI0132, AI2824
12h 15min
Return
08/12/25
1 Stopover (BLR)
AI0526, AI0133
17h 30min
Air India ?
£403
London Heathrow
Chennai
Outbound
14/11/25
1 Stopover (BLR)
AI0132, AI0525
28h 15min
Return
04/12/25
1 Stopover (BLR)
AI0526, AI0133
17h 30min
Air India
£408
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Chennai

Favourite airline: Air India
77 % of travellers choose to book flights on this route with Air India, Gulf Air and Lufthansa.
Air India
47 %
Gulf Air
24 %
Lufthansa
6 %
Favourite connection: via Mumbai
The most popular flights on this route are via Mumbai and are booked by 46 % of all travellers.
Route
bookings
1 stopover Mumbai (Bombay)
15h 25min, from 768 £GB
46 %
1 stopover Bahrain
17h 20min, from 910 £GB
31 %
1 stopover Delhi Indira Gandhi
33h 20min, from 806 £GB
15 %

Important flight information

Flight information: London Heathrow - Chennai

Outbound and return from 375,40 £GB
Flight duration min. 09:50
Return flight duration min. 11:15
Distance 8245 km
Flights per week 8
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Chennai (Madras) (MAA)
Destination country Flights to India
Alternative routes to India
Alternative flights to Chennai
Flight destinations with a similar price