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

Return flights

25 Jan - 07 Feb	Lufthansa
21 Jan - 08 Feb	Lufthansa
29 Jan - 05 Feb	KLM
27 Jan - 31 Jan	LOT
19 Jan - 22 Jan	Lufthansa
06 Jan - 16 Jan	Lufthansa
11 Jan - 18 Jan	Lufthansa
18 Jan - 25 Jan	Lufthansa
11 Jan - 15 Jan	Lufthansa
23 Jan - 31 Jan	Lufthansa
19 Jan - 26 Jan	LOT
22 Jan - 29 Jan	Emirates
31 Jan - 14 Feb	Lufthansa
30 Jan - 14 Feb	Singapore Airlines
12 Jan - 16 Jan	Lufthansa

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

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 January from $641

Return flights