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

Return flights

04 Apr - 18 Apr	Etihad Airways
26 Apr - 08 May	Etihad Airways
12 Apr - 21 Apr	Etihad Airways
16 Apr - 30 Apr	Etihad Airways
16 Apr - 01 May	Etihad Airways
13 Apr - 30 Apr	Etihad Airways
03 Apr - 14 Apr	Qatar Airways
02 Apr - 14 Apr	Etihad Airways
03 Apr - 17 Apr	Etihad Airways
16 Apr - 20 Apr	Ethiopian Airlines
06 Apr - 13 Apr	SWISS
03 Apr - 13 Apr	Ethiopian Airlines

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

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 April from $677

Return flights