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

Return flights

21 Sep - 23 Sep	Air India
16 Sep - 20 Sep	Air India
09 Sep - 12 Sep	Air India
23 Sep - 30 Sep	Air India
18 Sep - 25 Sep	Air India
11 Sep - 15 Sep	Air India
11 Sep - 17 Sep	Air India
11 Sep - 13 Sep	Air India
09 Sep - 14 Sep	Air India
01 Sep - 07 Sep	Air India
24 Sep - 01 Oct	Air India
27 Sep - 04 Oct	Air India
16 Sep - 01 Oct	Thai AirAsia
24 Sep - 11 Oct	Air India Express
24 Sep - 15 Oct	Air India Express
18 Sep - 01 Oct	Thai AirAsia
11 Sep - 01 Oct	Thai AirAsia
20 Sep - 01 Oct	Thai AirAsia
25 Sep - 01 Oct	Thai AirAsia
13 Sep - 01 Oct	Thai 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 151€

Return flights