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

Return flights

12 Dec - 23 Dec	Air Serbia
01 Dec - 08 Dec	Aegean Airlines
01 Dec - 07 Dec	Etihad Airways
01 Dec - 11 Dec	Air China
31 Dec - 13 Jan	Air China
26 Dec - 13 Jan	Air China
12 Dec - 13 Jan	Air China
31 Dec - 15 Jan	Air China
01 Dec - 06 Dec	Etihad Airways
02 Dec - 11 Dec	Etihad Airways
02 Dec - 12 Dec	Etihad Airways
08 Dec - 23 Dec	Air China
01 Dec - 14 Dec	Air China
10 Dec - 23 Dec	Air China
27 Dec - 11 Jan	Etihad Airways
02 Dec - 16 Jan	Etihad Airways
13 Dec - 12 Jan	SKY express
30 Dec - 15 Jan	Ethiopian Airlines
12 Dec - 11 Jan	Air China
30 Dec - 13 Jan	Ethiopian Airlines

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 485€

Return flights