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

Return flights

06 May - 13 May	Singapore Airlines
02 May - 09 May	Ethiopian Airlines
19 May - 28 May	Etihad Airways
19 May - 27 May	Lufthansa
26 May - 03 Jun	Qatar Airways
29 May - 07 Jun	Air China
05 May - 13 May	Lufthansa
08 May - 18 May	Qatar Airways
26 May - 04 Jun	Qatar Airways
15 May - 25 May	Qatar Airways
14 May - 21 May	Lufthansa
21 May - 08 Jun	Lufthansa
16 May - 29 May	Scoot
01 May - 05 May	Lufthansa
01 May - 01 Jun	Lufthansa
23 May - 13 Jun	Ethiopian Airlines
23 May - 06 Jun	Ethiopian Airlines
23 May - 24 Jun	LOT

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 536€

Return flights