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

Return flights

04 Dec - 12 Dec	Scandinavian Airlines
05 Dec - 14 Dec	Air China
01 Dec - 08 Dec	SKY express
01 Dec - 07 Dec	Air China
08 Dec - 23 Dec	Air China
05 Dec - 21 Dec	Air China
01 Dec - 09 Dec	SKY express
05 Dec - 12 Dec	Turkish Airlines
16 Dec - 30 Dec	Lufthansa
25 Dec - 31 Dec	Scandinavian Airlines
25 Dec - 06 Jan	EgyptAir
29 Dec - 04 Jan	Vueling Airlines
08 Dec - 08 Jan	Air China
25 Dec - 04 Jan	EgyptAir
26 Dec - 04 Jan	Aegean Airlines
22 Dec - 18 Jan	Air France
20 Dec - 05 Jan	EgyptAir
24 Dec - 05 Jan	Aegean Airlines
25 Dec - 01 Jan	EgyptAir
26 Dec - 02 Jan	Aegean 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 455€

Return flights