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

Return flights

08 Sep - 27 Oct	Saudia
07 Sep - 03 Oct	Saudia
15 Sep - 13 Oct	Saudia
26 Sep - 02 Oct	Saudia
16 Sep - 20 Oct	Saudia
26 Sep - 04 Oct	Saudia
07 Sep - 23 Sep	Saudia
03 Sep - 29 Sep	Saudia
15 Sep - 29 Sep	Saudia
09 Sep - 02 Oct	Saudia
15 Sep - 27 Oct	Saudia
23 Sep - 10 Oct	Saudia
11 Sep - 21 Oct	Saudia
10 Sep - 25 Sep	Saudia
15 Sep - 23 Sep	Saudia
10 Sep - 23 Sep	Saudia
17 Sep - 29 Sep	Saudia
11 Sep - 29 Sep	Saudia
11 Sep - 25 Sep	Saudia
04 Sep - 25 Sep	Saudia

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 434€

Return flights