AirHint found the following cheapest one-way flights from Seoul (GMP) to Luxemburg (LUX) in December 2025 (see full year).
One-Way flights
| 02 Dec | Eastar Jet | ||
| 11 Dec | Japan Airlines | ||
| 30 Dec | Japan Airlines | ||
| 12 Dec | Japan Airlines | ||
| 27 Dec | Japan Airlines |
Also check the deals for return flights from Seoul to Luxemburg in December.
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