AirHint found the following cheapest return flights from Athens (ATH) to Seoul (ICN) in September 2026 (see full year).

Return flights

21 Sep - 27 Sep	Etihad Airways
25 Sep - 04 Oct	Etihad Airways
25 Sep - 06 Oct	Etihad Airways
21 Sep - 04 Oct	Etihad Airways
21 Sep - 06 Oct	Etihad Airways
23 Sep - 30 Sep	Etihad Airways
13 Sep - 30 Sep	Scoot
01 Sep - 29 Sep	Qatar Airways
03 Sep - 30 Sep	Qatar Airways
07 Sep - 30 Sep	Qatar Airways
01 Sep - 13 Sep	Qatar Airways
07 Sep - 13 Sep	Qatar Airways
02 Sep - 07 Sep	Qatar Airways
03 Sep - 17 Sep	Aegean Airlines

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

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 September from $652

Return flights