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

Return flights

02 Dec - 12 Dec	Air China
04 Dec - 10 Dec	Air China
02 Dec - 10 Dec	Air China
02 Dec - 08 Dec	Air China
07 Dec - 12 Dec	Air China
23 Dec - 26 Dec	Air China
16 Dec - 26 Dec	Air China
21 Dec - 26 Dec	Air China
07 Dec - 15 Dec	Air China
30 Dec - 15 Jan	Etihad Airways
03 Dec - 11 Dec	Lufthansa
30 Dec - 02 Jan	Air China
29 Dec - 12 Jan	Etihad Airways
30 Dec - 06 Jan	Etihad Airways
28 Dec - 02 Jan	Air China
30 Dec - 05 Jan	Etihad Airways
20 Dec - 03 Jan	China Eastern
25 Dec - 02 Jan	Air China
29 Dec - 03 Jan	Ethiopian Airlines
23 Dec - 01 Jan	Ethiopian Airlines

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

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Seoul to Athens in December from 386€

Return flights