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

Return flights

22 Sep - 28 Sep	Etihad Airways
10 Sep - 17 Sep	IndiGo
25 Sep - 05 Oct	SriLankan Airlines
09 Sep - 22 Sep	IndiGo
08 Sep - 22 Sep	IndiGo
09 Sep - 30 Sep	Air India
10 Sep - 01 Oct	Air India
10 Sep - 10 Oct	Air India
23 Sep - 29 Sep	Air India
12 Sep - 30 Sep	IndiGo
12 Sep - 25 Sep	IndiGo
17 Sep - 22 Oct	Etihad Airways
11 Sep - 12 Sep	Air India
03 Sep - 11 Sep	IndiGo
08 Sep - 06 Oct	Air India
29 Sep - 01 Oct	Air India
30 Sep - 01 Oct	Air India
13 Sep - 18 Oct	Air India
25 Sep - 01 Oct	Qatar Airways
03 Sep - 30 Oct	Qatar Airways

Also check the deals for one-way flights from Kochi 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 Kochi to London in September from 525€

Return flights