AirHint found the following cheapest return flights from Seoul (ICN) to Brussels (BRU) in December 2026 (see full year).
Return flights
| 14 Dec - 18 Dec | Lufthansa | ||
| 22 Dec - 31 Dec | Lufthansa | ||
| 13 Dec - 18 Dec | Lufthansa | ||
| 27 Dec - 31 Dec | KLM | ||
| 06 Dec - 13 Dec | Air Europa | ||
| 20 Dec - 27 Dec | Air Europa |
Also check the deals for one-way flights from Seoul to Brussels in December.
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