AirHint found the following cheapest return flights from Colombo (CMB) to Seoul (ICN) in January 2026 (see full year).

Return flights

13 Jan - 20 Jan	AirAsia
11 Jan - 19 Jan	AirAsia
13 Jan - 19 Jan	AirAsia
14 Jan - 20 Jan	AirAsia
18 Jan - 25 Jan	AirAsia
15 Jan - 17 Jan	AirAsia
15 Jan - 22 Jan	AirAsia
20 Jan - 26 Jan	AirAsia
15 Jan - 21 Jan	AirAsia
08 Jan - 14 Jan	AirAsia
26 Jan - 03 Feb	AirAsia
27 Jan - 04 Feb	Cathay Pacific
27 Jan - 04 Feb	SriLankan Airlines	direct

Also check the deals for one-way flights from Colombo to Seoul in January.

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 Colombo to Seoul in January from 294€

Return flights