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

Return flights

23 Aug - 28 Aug	IndiGo
27 Aug - 28 Aug	IndiGo
26 Aug - 06 Sep	IndiGo
26 Aug - 08 Sep	IndiGo
27 Aug - 01 Sep	IndiGo
21 Aug - 25 Aug	IndiGo
29 Aug - 03 Sep	IndiGo
20 Aug - 27 Aug	IndiGo
25 Aug - 09 Sep	IndiGo
21 Aug - 24 Aug	IndiGo
30 Aug - 07 Sep	IndiGo
22 Aug - 25 Aug	IndiGo
23 Aug - 25 Aug	IndiGo
18 Aug - 21 Aug	IndiGo
28 Aug - 03 Sep	IndiGo
19 Aug - 02 Sep	SpiceJet
16 Aug - 24 Aug	IndiGo
21 Aug - 29 Aug	Air India
30 Aug - 07 Sep	SriLankan Airlines	direct
26 Aug - 08 Sep	SriLankan Airlines	direct

Also check the deals for one-way flights from Kochi to Colombo in August.

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.

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from Kochi to Colombo in August from 165€

Return flights