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

Return flights

29 Sep - 06 Oct	Air India
05 Sep - 10 Sep	Air India
19 Sep - 24 Sep	Air India
06 Sep - 10 Sep	Air India
24 Sep - 08 Oct	Air India
04 Sep - 17 Sep	Air India
08 Sep - 18 Sep	Air India
15 Sep - 22 Sep	Air India
16 Sep - 19 Sep	Air India
25 Sep - 09 Oct	Air India
10 Sep - 24 Sep	Air India Express
05 Sep - 13 Sep	Air India
30 Sep - 07 Oct	IndiGo
16 Sep - 21 Sep	Air India
06 Sep - 04 Oct	Air India
24 Sep - 01 Oct	Air India Express
10 Sep - 01 Oct	Air India Express
17 Sep - 08 Oct	Air India Express
17 Sep - 01 Oct	Air India Express
30 Sep - 08 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 150€

Return flights