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

Return flights

19 Aug - 26 Aug	T'way Air	direct
30 Aug - 09 Sep	LOT
19 Aug - 30 Aug	T'way Air	direct
26 Aug - 06 Sep	T'way Air	direct
23 Aug - 04 Sep	LOT
25 Aug - 06 Sep	LOT
18 Aug - 28 Aug	LOT
18 Aug - 26 Aug	LOT
27 Aug - 10 Sep	KLM
21 Aug - 06 Sep	T'way Air	direct
16 Aug - 26 Aug	LOT
16 Aug - 28 Aug	LOT
21 Aug - 30 Aug	T'way Air	direct
05 Aug - 16 Aug	LOT
30 Aug - 09 Sep	T'way Air	direct
23 Aug - 04 Sep	T'way Air	direct
11 Aug - 23 Aug	Emirates
05 Aug - 16 Aug	T'way Air	direct
25 Aug - 09 Sep	Lufthansa
25 Aug - 04 Sep	Lufthansa

Also check the deals for one-way flights from Zagreb to Seoul 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 Zagreb to Seoul in August from $755

Return flights