AirHint found the following cheapest return flights from Seoul (ICN) to Athens (ATH) in December 2025 (see full year).
Return flights
| 31 Dec - 18 Jan | Etihad Airways | ||
| 31 Dec - 22 Jan | Qatar Airways | ||
| 30 Dec - 21 Jan | KLM | ||
| 30 Dec - 05 Jan | Emirates | ||
| 30 Dec - 03 Jan | KLM | ||
| 30 Dec - 08 Jan | Lufthansa | ||
| 30 Dec - 07 Jan | Lufthansa |
Also check the deals for one-way flights from Seoul to Athens in December.
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