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

Return flights

06 May - 20 May	Singapore Airlines
11 May - 17 May	Singapore Airlines
27 May - 29 May	Scoot
23 May - 31 May	Scoot
11 May - 22 May	Scoot
01 May - 10 May	Singapore Airlines
22 May - 27 May	Singapore Airlines
29 May - 05 Jun	Scoot
01 May - 08 May	Singapore Airlines
26 May - 02 Jun	Air France
27 May - 02 Jun	LOT
19 May - 26 May	LOT
20 May - 26 May	LOT
25 May - 11 Jun	KLM
25 May - 08 Jun	Lufthansa
31 May - 04 Jun	Etihad Airways
30 May - 13 Jun	SWISS
29 May - 06 Jun	Scandinavian Airlines
23 May - 06 Jun	KLM

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

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 Seoul to Athens in May from $615

Return flights