AirHint found the following cheapest return flights from Seoul (ICN) to Zagreb (ZAG) in August 2025 (see full year).

Return flights

28 Aug - 02 Sep	Lufthansa
30 Aug - 09 Sep	Lufthansa
28 Aug - 03 Sep	Lufthansa
27 Aug - 03 Sep	Lufthansa
24 Aug - 02 Sep	Lufthansa
27 Aug - 02 Sep	Lufthansa
26 Aug - 02 Sep	Lufthansa
19 Aug - 26 Aug	T'way Air	direct
26 Aug - 01 Sep	Lufthansa
16 Aug - 17 Aug	Lufthansa
28 Aug - 06 Sep	Asiana Airlines
19 Aug - 28 Aug	T'way Air	direct
30 Aug - 03 Sep	Lufthansa
16 Aug - 26 Aug	Lufthansa
20 Aug - 26 Aug	Lufthansa
18 Aug - 26 Aug	Lufthansa
21 Aug - 26 Aug	Lufthansa
19 Aug - 24 Aug	Lufthansa
21 Aug - 24 Aug	Lufthansa
16 Aug - 24 Aug	Lufthansa

Also check the deals for one-way flights from Seoul to Zagreb in August.

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 August from 614€

Return flights