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

Return flights

08 Dec - 12 Dec	IndiGo
03 Dec - 08 Dec	IndiGo
01 Dec - 05 Dec	IndiGo
10 Dec - 11 Dec	IndiGo
03 Dec - 06 Dec	IndiGo
06 Dec - 12 Dec	IndiGo
12 Dec - 17 Dec	IndiGo
04 Dec - 09 Dec	IndiGo
11 Dec - 14 Dec	IndiGo
15 Dec - 19 Dec	IndiGo
17 Dec - 03 Jan	IndiGo
28 Dec - 03 Jan	SriLankan Airlines	direct
28 Dec - 02 Jan	SriLankan Airlines	direct
31 Dec - 03 Jan	IndiGo
31 Dec - 03 Jan	SriLankan Airlines	direct
17 Dec - 03 Jan	SriLankan Airlines	direct
26 Dec - 01 Jan	IndiGo

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

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 December from $205

Return flights