AirHint found the following cheapest return flights from Luxemburg (LUX) to Seoul (ICN) in August 2026 (see full year).
Return flights
| 20 Aug - 10 Sep | KLM | ||
| 16 Aug - 31 Aug | LOT | ||
| 14 Aug - 03 Sep | Luxair | ||
| 14 Aug - 04 Sep | Luxair | ||
| 14 Aug - 05 Sep | Turkish Airlines | ||
| 13 Aug - 03 Sep | Lufthansa |
Also check the deals for one-way flights from Luxemburg to Seoul in August.
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