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

Return flights

01 Dec - 10 Dec	AirAsia
10 Dec - 17 Dec	AirAsia
01 Dec - 17 Dec	AirAsia
23 Dec - 29 Dec	Thai Airways
10 Dec - 15 Dec	AirAsia
01 Dec - 15 Dec	AirAsia
01 Dec - 04 Dec	AirAsia
10 Dec - 14 Dec	AirAsia
01 Dec - 14 Dec	AirAsia
10 Dec - 13 Dec	AirAsia
30 Dec - 14 Jan	AirAsia
28 Dec - 14 Jan	AirAsia
27 Dec - 14 Jan	AirAsia
30 Dec - 07 Jan	AirAsia
28 Dec - 07 Jan	AirAsia
30 Dec - 12 Jan	AirAsia
28 Dec - 12 Jan	AirAsia
29 Dec - 14 Jan	AirAsia
27 Dec - 07 Jan	AirAsia
31 Dec - 14 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Colombo to Seoul in December from 493€

Return flights