AirHint found the following cheapest return flights from Seoul (ICN) to Luxemburg (LUX) in January 2026 (see full year).
Return flights
| 10 Jan - 08 Feb | Air China | ||
| 01 Jan - 08 Jan | T'way Air | ||
| 01 Jan - 07 Jan | KLM | ||
| 01 Jan - 10 Jan | Lufthansa | ||
| 03 Jan - 12 Jan | Turkish Airlines | ||
| 04 Jan - 13 Jan | KLM |
Also check the deals for one-way flights from Seoul to Luxemburg in January.
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