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

Return flights

14 Oct - 11 Nov	Lufthansa
14 Oct - 21 Oct	T'way Air
15 Oct - 21 Oct	China Eastern
11 Oct - 25 Oct	LOT
22 Oct - 29 Oct	LOT
21 Oct - 29 Oct	LOT
14 Oct - 25 Oct	LOT
21 Oct - 26 Oct	LOT
20 Oct - 25 Oct	LOT
20 Oct - 26 Oct	LOT
20 Oct - 24 Oct	LOT
21 Oct - 01 Nov	LOT
28 Oct - 01 Nov	LOT
27 Oct - 05 Nov	LOT
27 Oct - 02 Nov	LOT
21 Oct - 03 Nov	LOT
25 Oct - 01 Nov	LOT
29 Oct - 05 Nov	LOT
25 Oct - 02 Nov	LOT
26 Oct - 02 Nov	LOT

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

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 October from $589

Return flights