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

Return flights

22 Dec - 31 Dec	Air China
15 Dec - 05 Jan	Air China
20 Dec - 28 Dec	Air China
12 Dec - 18 Dec	China Eastern
19 Dec - 28 Dec	China Eastern
12 Dec - 21 Dec	Air China
12 Dec - 19 Dec	Air China
22 Dec - 28 Dec	Air China
20 Dec - 02 Jan	Air China
01 Dec - 04 Dec	Lufthansa
02 Dec - 06 Dec	Air China
20 Dec - 01 Jan	China Eastern
21 Dec - 03 Jan	China Eastern
11 Dec - 20 Dec	Air China
29 Dec - 12 Jan	LOT

Also check the deals for one-way flights from Seoul to Charleroi 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 Seoul to Charleroi in December from 475€

Return flights