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

Return flights

21 Jan - 30 Jan	LOT
18 Jan - 25 Jan	LOT
17 Jan - 24 Jan	LOT
18 Jan - 26 Jan	LOT
14 Jan - 24 Jan	LOT
14 Jan - 25 Jan	LOT
31 Jan - 07 Feb	LOT
26 Jan - 02 Feb	LOT
16 Jan - 22 Jan	Lufthansa
19 Jan - 22 Jan	Lufthansa
14 Jan - 27 Jan	Lufthansa
16 Jan - 30 Jan	Lufthansa
29 Jan - 07 Feb	Lufthansa
23 Jan - 20 Feb	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 $597

Return flights