Flights from London to Chennai

Our cheapest offers for flights from London to Chennai

Here you can compare cheap flights from London (LON) 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
Chennai
Outbound
22/03/26
1 Stopover (BOM)
AI0128, AI2821
13h 45min
Return
-
Air India
£323
London
Chennai
Outbound
31/01/26
1 Stopover (DEL)
AI2018, AI2835
20h 05min
Return
03/02/26
1 Stopover (DEL)
AI2838, AI0111
19h 20min
Air India ?
£428
found 3 days ago
Best option
London
Chennai
Outbound
31/01/26
1 Stopover (DEL)
AI0162, AI2885
14h 40min
Return
03/02/26
1 Stopover (DEL)
AI2526, AI2015
16h 10min
Air India
£451
found 3 days ago
London
Chennai
Outbound
31/01/26
1 Stopover (AUH)
EY0064, EY0342
12h 45min
Return
03/02/26
1 Stopover (AUH)
EY0343, EY0063
31h 35min
Etihad Airways ?
£441
found 3 days ago
London
Chennai
Outbound
31/01/26
2 Stopovers (IST, BOM)
TK1982, 6E0018, 6E6096
26h 20min
Return
03/02/26
1 Stopover (BAH)
GF0069, GF0009
30h 25min
Turkish Airlines, IndiGo Airlines
£448
found 3 days ago
London
Chennai
Outbound
31/01/26
1 Stopover (DEL)
AI0162, AI2885
14h 40min
Return
03/02/26
1 Stopover (DEL)
AI2886, AI2017
16h 45min
Air India
£452
found 3 days ago
London
Chennai
Outbound
31/01/26
1 Stopover (AUH)
EY0064, EY0342
12h 45min
Return
03/02/26
1 Stopover (AUH)
EY0343, EY0065
34h 00min
Etihad Airways ?
£462
found 3 days ago
London
Chennai
Outbound
19/02/26
2 Stopovers (IST, BOM)
W95729, 6E0018, 6E5167
22h 15min
Return
22/02/26
1 Stopover (DXB)
EK0547, EK0011
14h 25min
Wizz Air UK, IndiGo Airlines
£463
London
Chennai
Outbound
01/05/26
1 Stopover (DEL)
AI0162, AI0891
15h 05min
Return
29/09/26
1 Stopover (DXB)
EK0547, EK0029
20h 55min
Air India
£467
London
Chennai
Outbound
20/03/26
1 Stopover (AUH)
EY0064, EY1016
19h 45min
Return
17/04/26
1 Stopover (BAH)
GF0069, GF0007
29h 25min
Etihad Airways
£482
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 to Chennai

Favourite airline: Air India
The majority of passengers on the route London – Chennai prefer to fly with Air India.
Air India
50 %
Gulf Air
25 %
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 - Chennai

Cheapest outbound flight from £322.70
Outbound and return from £427.59
Flight duration min. 09:50
Return flight duration min. 11:15
Distance 8224 km
Flights per week 8
Departure airport Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
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