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

Return flights

05 May - 12 May	Lufthansa
19 May - 26 May	Lufthansa
25 May - 01 Jun	LOT
18 May - 29 May	LOT
26 May - 02 Jun	LOT
22 May - 31 May	Lufthansa
27 May - 04 Jun	KLM
16 May - 24 May	LOT
23 May - 31 May	LOT
07 May - 15 May	Lufthansa
14 May - 28 May	Lufthansa
05 May - 15 May	Lufthansa
21 May - 02 Jun	Lufthansa
01 May - 07 May	Singapore Airlines
29 May - 06 Jun	Lufthansa
31 May - 21 Jun	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 636€

Return flights