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

Return flights

01 Sep - 10 Sep	IndiGo
10 Sep - 14 Sep	IndiGo
02 Sep - 10 Sep	IndiGo
03 Sep - 10 Sep	Air India Express
08 Sep - 11 Sep	IndiGo
01 Sep - 05 Sep	IndiGo
15 Sep - 22 Sep	Air India
03 Sep - 08 Sep	Air India
17 Sep - 20 Sep	Air India
07 Sep - 13 Sep	Air India
15 Sep - 15 Oct	SriLankan Airlines
17 Sep - 02 Oct	Air India Express
17 Sep - 07 Oct	Air India Express
17 Sep - 03 Oct	Air India Express
15 Sep - 15 Oct	Singapore Airlines	direct
14 Sep - 02 Oct	AirAsia
25 Sep - 14 Oct	AirAsia
25 Sep - 02 Oct	AirAsia
25 Sep - 15 Oct	AirAsia
14 Sep - 03 Oct	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 164€

Return flights