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

Return flights

08 Dec - 15 Dec	Lufthansa
08 Dec - 14 Dec	Lufthansa
10 Dec - 16 Dec	Lufthansa
02 Dec - 03 Dec	Air China
04 Dec - 12 Dec	Lufthansa
25 Dec - 31 Dec	Lufthansa
03 Dec - 13 Dec	Air France
18 Dec - 25 Dec	Lufthansa
25 Dec - 29 Dec	Qatar Airways
29 Dec - 05 Jan	Qatar Airways
16 Dec - 24 Dec	Air China
20 Dec - 10 Jan	Ethiopian Airlines
29 Dec - 02 Jan	Qatar Airways
30 Dec - 06 Jan	Lufthansa
25 Dec - 03 Jan	Lufthansa
26 Dec - 03 Jan	Qatar Airways
29 Dec - 03 Jan	Qatar Airways
27 Dec - 04 Jan	Qatar Airways
28 Dec - 03 Jan	Qatar Airways
28 Dec - 04 Jan	Qatar Airways

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 $554

Return flights