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

Return flights

02 Sep - 09 Sep	IndiGo
10 Sep - 17 Sep	IndiGo
12 Sep - 17 Sep	IndiGo
09 Sep - 13 Sep	IndiGo
09 Sep - 14 Sep	IndiGo
10 Sep - 15 Sep	IndiGo
19 Sep - 20 Sep	IndiGo
19 Sep - 23 Sep	IndiGo
13 Sep - 21 Sep	IndiGo
25 Sep - 29 Sep	IndiGo
22 Sep - 20 Oct	IndiGo
26 Sep - 01 Oct	SriLankan Airlines	direct
29 Sep - 01 Oct	SriLankan Airlines	direct
23 Sep - 09 Oct	IndiGo
22 Sep - 20 Oct	SriLankan Airlines	direct
23 Sep - 09 Oct	SriLankan Airlines	direct

Also check the deals for one-way flights from Kochi to Colombo 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 Colombo in September from 160€

Return flights