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

Return flights

19 May - 27 May	Lufthansa
06 May - 17 May	Lufthansa
14 May - 21 May	Lufthansa
29 May - 05 Jun	Lufthansa
15 May - 24 May	Lufthansa
01 May - 07 May	Lufthansa
28 May - 04 Jun	Asiana Airlines
26 May - 08 Jun	LOT
14 May - 23 May	Lufthansa
18 May - 25 May	LOT
01 May - 10 May	Lufthansa
04 May - 18 May	Lufthansa
21 May - 30 May	Lufthansa

Also check the deals for one-way flights from Seoul to Zagreb 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 Zagreb in May from 536€

Return flights