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

Return flights

29 Sep - 15 Oct	AirAsia
10 Sep - 17 Sep	IndiGo
29 Sep - 30 Sep	AirAsia
29 Sep - 13 Oct	AirAsia
28 Sep - 15 Oct	AirAsia
29 Sep - 16 Oct	AirAsia
28 Sep - 30 Sep	AirAsia
28 Sep - 13 Oct	AirAsia
23 Sep - 30 Sep	AirAsia
23 Sep - 13 Oct	AirAsia
28 Sep - 16 Oct	AirAsia
23 Sep - 28 Sep	AirAsia
26 Sep - 03 Oct	SriLankan Airlines
28 Sep - 02 Oct	SriLankan Airlines
30 Sep - 31 Oct	SriLankan Airlines
09 Sep - 30 Sep	AirAsia
09 Sep - 28 Sep	AirAsia
22 Sep - 30 Sep	AirAsia
22 Sep - 28 Sep	AirAsia
28 Sep - 28 Sep	AirAsia

Also check the deals for one-way flights from Kochi to Singapore 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 Singapore in September from $258

Return flights