AirHint found the following cheapest return flights from Madras (MAA) to London (LHR) in September 2025 (see full year).

Return flights

25 Sep - 30 Sep	Air India
19 Sep - 22 Sep	Air India
26 Sep - 30 Sep	Air India
21 Sep - 31 Oct	Air India
18 Sep - 27 Oct	Air India
19 Sep - 02 Oct	Air India
22 Sep - 22 Sep	Air India
23 Sep - 01 Oct	Air India
30 Sep - 07 Oct	Air India
28 Sep - 01 Oct	Air India
23 Sep - 30 Sep	Air India
26 Sep - 08 Oct	Etihad Airways
19 Sep - 26 Oct	Air India
30 Sep - 31 Oct	Air India
23 Sep - 29 Sep	Lufthansa
17 Sep - 22 Sep	Lufthansa
17 Sep - 24 Sep	Lufthansa
17 Sep - 30 Sep	Lufthansa
25 Sep - 14 Oct	Lufthansa
17 Sep - 25 Sep	Lufthansa

Also check the deals for one-way flights from Madras to London in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Madras to London in September from 451€

Return flights