AirHint found the following cheapest return flights from Seoul (ICN) to Luxemburg (LUX) in December 2025 (see full year).
Return flights
| 04 Dec - 09 Dec | Lufthansa | ||
| 01 Dec - 08 Dec | Lufthansa | ||
| 26 Dec - 02 Jan | Air France | ||
| 25 Dec - 29 Dec | KLM | ||
| 01 Dec - 06 Dec | Turkish Airlines | ||
| 10 Dec - 19 Dec | Lufthansa | ||
| 13 Dec - 20 Dec | Lufthansa |
Also check the deals for one-way flights from Seoul to Luxemburg in December.
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