AirHint found the following cheapest return flights from Seoul (ICN) to Charleroi (CRL) in December 2025 (see full year).
Return flights
| 03 Dec - 10 Dec | China Eastern | ||
| 08 Dec - 11 Dec | LOT | ||
| 08 Dec - 15 Dec | LOT | ||
| 01 Dec - 08 Dec | LOT |
Also check the deals for one-way flights from Seoul to Charleroi in December.
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