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

Return flights

06 Dec - 21 Dec	Ryanair
06 Dec - 20 Dec	Ryanair
07 Dec - 22 Dec	Ryanair
07 Dec - 16 Dec	Ryanair
06 Dec - 14 Dec	Ryanair
01 Dec - 15 Dec	Ryanair
03 Dec - 10 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
10 Dec - 17 Dec	Ryanair
11 Dec - 17 Dec	Ryanair
06 Dec - 10 Jan	Ryanair
29 Dec - 08 Jan	Ryanair
14 Dec - 04 Jan	Ryanair
04 Dec - 04 Jan	Ryanair
28 Dec - 08 Jan	Ryanair
28 Dec - 05 Jan	Ryanair
27 Dec - 08 Jan	Wizz Air Malta
26 Dec - 08 Jan	Ryanair
26 Dec - 09 Jan	Ryanair
18 Dec - 12 Jan	Ryanair

Also check the deals for one-way flights from Charleroi 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 Charleroi to Seoul in December from $569

Return flights