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

Return flights

02 Dec - 06 Dec	AirAsia
03 Dec - 06 Dec	AirAsia
02 Dec - 08 Dec	AirAsia
02 Dec - 05 Dec	AirAsia
03 Dec - 08 Dec	AirAsia
03 Dec - 05 Dec	AirAsia
06 Dec - 08 Dec	AirAsia
05 Dec - 08 Dec	AirAsia
05 Dec - 06 Dec	AirAsia
02 Dec - 15 Dec	AirAsia
28 Dec - 11 Jan	AirAsia
28 Dec - 14 Jan	AirAsia
28 Dec - 15 Jan	AirAsia
29 Dec - 11 Jan	AirAsia
29 Dec - 19 Jan	AirAsia
29 Dec - 14 Jan	AirAsia
29 Dec - 15 Jan	AirAsia
28 Dec - 17 Jan	AirAsia
27 Dec - 11 Jan	AirAsia
29 Dec - 17 Jan	AirAsia

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

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Cheapest return flights from Colombo to Seoul in December from 406€

Return flights