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

Return flights

17 Aug - 30 Aug	Air China
27 Aug - 04 Sep	MIAT Mongolian Airlines
24 Aug - 30 Aug	Air China
31 Aug - 06 Sep	Air China
31 Aug - 10 Sep	Air China
15 Aug - 05 Sep	Air China
12 Aug - 18 Aug	Air China
28 Aug - 29 Aug	Air China
14 Aug - 20 Aug	Air China
14 Aug - 15 Aug	Air China
25 Aug - 27 Aug	MIAT Mongolian Airlines
20 Aug - 08 Sep	LOT
07 Aug - 19 Aug	China Eastern
22 Aug - 29 Aug	Air China
29 Aug - 06 Sep	Air China
29 Aug - 05 Sep	Air China
26 Aug - 04 Sep	Lufthansa
26 Aug - 09 Sep	Lufthansa
30 Aug - 07 Sep	MIAT Mongolian Airlines
14 Aug - 21 Aug	Ethiopian Airlines

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

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 August from $590

Return flights