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

Return flights

13 Oct - 13 Nov	Lufthansa
17 Oct - 21 Oct	Lufthansa
13 Oct - 21 Oct	Lufthansa
21 Oct - 23 Oct	T'way Air	direct
16 Oct - 21 Oct	Lufthansa
18 Oct - 21 Oct	Lufthansa
14 Oct - 21 Oct	Lufthansa
23 Oct - 25 Oct	T'way Air	direct
06 Oct - 21 Oct	Lufthansa
07 Oct - 21 Oct	Lufthansa
14 Oct - 26 Oct	Lufthansa
24 Oct - 07 Nov	Lufthansa
14 Oct - 04 Nov	Lufthansa
23 Oct - 07 Nov	Lufthansa
11 Oct - 13 Nov	Lufthansa
28 Oct - 04 Nov	Lufthansa
30 Oct - 10 Nov	Air France
23 Oct - 02 Nov	Lufthansa
30 Oct - 06 Nov	Air France
25 Oct - 01 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 518€

Return flights