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

Return flights

28 Sep - 12 Oct	Pegasus Airlines
28 Sep - 27 Oct	Pegasus Airlines
28 Sep - 10 Oct	Pegasus Airlines
28 Sep - 13 Oct	Pegasus Airlines
20 Sep - 02 Oct	AJet
21 Sep - 30 Oct	Pegasus Airlines
20 Sep - 03 Oct	AJet
19 Sep - 12 Oct	AJet
20 Sep - 06 Oct	AJet
20 Sep - 01 Oct	AJet
20 Sep - 25 Sep	AJet
20 Sep - 26 Sep	Pegasus Airlines
26 Sep - 28 Sep	Pegasus Airlines
08 Sep - 25 Sep	Pegasus Airlines
19 Sep - 29 Sep	Pegasus Airlines
19 Sep - 28 Sep	AJet
14 Sep - 26 Sep	Pegasus Airlines
11 Sep - 25 Sep	Pegasus Airlines
20 Sep - 29 Sep	AJet
11 Sep - 26 Sep	Pegasus Airlines

Also check the deals for one-way flights from London to Kochi 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 London to Kochi in September from 330€

Return flights