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

Return flights

29 Sep - 08 Oct	Lufthansa
03 Sep - 10 Sep	Lufthansa
01 Sep - 10 Sep	Lufthansa
08 Sep - 15 Sep	Lufthansa
10 Sep - 15 Sep	Lufthansa
10 Sep - 22 Sep	Lufthansa
10 Sep - 17 Sep	Lufthansa
01 Sep - 08 Sep	Lufthansa
15 Sep - 29 Sep	Lufthansa
08 Sep - 20 Sep	LOT
09 Sep - 20 Sep	LOT
26 Sep - 06 Oct	LOT
24 Sep - 05 Oct	Lufthansa
24 Sep - 08 Oct	Lufthansa
23 Sep - 07 Oct	Lufthansa
29 Sep - 09 Oct	MIAT Mongolian Airlines
22 Sep - 03 Oct	Lufthansa
26 Sep - 03 Oct	Lufthansa
29 Sep - 10 Oct	LOT
17 Sep - 03 Oct	Lufthansa

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

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 September from 700€

Return flights