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

Return flights

20 Aug - 31 Aug	Lufthansa
12 Aug - 23 Aug	Lufthansa
20 Aug - 27 Aug	Lufthansa
12 Aug - 22 Aug	Lufthansa
29 Aug - 11 Sep	Lufthansa
25 Aug - 01 Sep	Lufthansa
03 Aug - 17 Aug	Lufthansa
14 Aug - 25 Aug	Lufthansa
28 Aug - 04 Sep	Lufthansa
14 Aug - 24 Aug	Lufthansa
14 Aug - 23 Aug	Lufthansa
23 Aug - 31 Aug	Lufthansa
15 Aug - 24 Aug	LOT

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 653€

Return flights