Flights from London Heathrow to Chennai

Trip type

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
14/03/26
1 Stopover (BLR)
AI0132, AI9482
16h 15min
Return
-
Air India
£247
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (BLR)
AI0132, AI9478
20h 40min
Return
07/06/26
1 Stopover (DEL)
AI2838, AI0111
18h 20min
Air India ?
£344
Best option
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (BOM)
AI0130, AI2780
14h 05min
Return
07/06/26
1 Stopover (BOM)
AI0436, AI0129
17h 35min
Air India
£354
London Heathrow
Chennai
Please note: transfer for connecting flight
Outbound
14/03/26
1 Stopover (BLR)
AI0132, 6E0506
13h 10min
Return
23/03/26
1 Stopover (BLR)
IX2786, AI0133
31h 55min
Air India, IndiGo Airlines
£539
found yesterday
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (DEL)
AI0112, AI2833
16h 35min
Return
07/06/26
1 Stopover (BOM)
AI2740, AI0129
23h 00min
Air India
£355
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (DEL)
AI0112, AI2467
19h 10min
Return
07/06/26
1 Stopover (BOM)
AI0640, AI0129
20h 45min
Air India
£356
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (BOM)
AI0128, AI2821
15h 45min
Return
07/06/26
1 Stopover (DEL)
AI2484, AI0111
23h 40min
Air India
£358
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (BOM)
AI0130, AI0573
17h 35min
Return
07/06/26
1 Stopover (BOM)
AI0436, AI0129
17h 35min
Air India
£368
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (DEL)
AI0112, AI2525
15h 10min
Return
07/06/26
1 Stopover (DEL)
AI0538, AI0111
19h 20min
Air India ?
£390
London Heathrow
Chennai
Outbound
25/05/26
1 Stopover (BOM)
AI0128, AI2739
18h 05min
Return
07/06/26
1 Stopover (BOM)
AI0436, AI0129
17h 35min
Air India
£418
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
46 %
1 stopover Bahrain
17h 20min, from £910
31 %
1 stopover Delhi Indira Gandhi
33h 20min, from £806
15 %

Important flight information

Flight information: London Heathrow - Chennai

Cheapest outbound flight from £246.47
Outbound and return from £343.09
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