AirHint found the following cheapest return flights from Athens (ATH) to Seoul (ICN) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec	Wizz Air UK
01 Dec - 08 Dec	SKY express
01 Dec - 12 Dec	SKY express
26 Dec - 13 Jan	Air China
08 Dec - 14 Dec	Air China
01 Dec - 19 Dec	Etihad Airways
02 Dec - 07 Dec	Etihad Airways
01 Dec - 10 Dec	Etihad Airways
04 Dec - 13 Dec	Turkish Airlines
04 Dec - 14 Dec	Lufthansa
16 Dec - 23 Dec	Etihad Airways
26 Dec - 04 Jan	Air China
26 Dec - 06 Jan	Air China
30 Dec - 07 Jan	Scandinavian Airlines
30 Dec - 05 Jan	Scandinavian Airlines
27 Dec - 11 Jan	KLM
30 Dec - 06 Jan	Lufthansa
01 Dec - 05 Jan	Lufthansa
27 Dec - 12 Jan	KLM
26 Dec - 10 Jan	KLM

Also check the deals for one-way flights from Athens to Seoul in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Athens to Seoul in December from $591

Return flights