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

Return flights

02 Dec - 09 Dec	Lufthansa
12 Dec - 16 Dec	Lufthansa
24 Dec - 01 Jan	Lufthansa
13 Dec - 18 Dec	Lufthansa
24 Dec - 31 Dec	Lufthansa
31 Dec - 09 Jan	Lufthansa
16 Dec - 23 Dec	Lufthansa
24 Dec - 03 Jan	Lufthansa
22 Dec - 29 Dec	Emirates
20 Dec - 30 Dec	Turkish Airlines
27 Dec - 03 Jan	Turkish Airlines
21 Dec - 27 Dec	Emirates
15 Dec - 20 Dec	LOT

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

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.

Book a cheap hotel in Zagreb

Cheap car rent in Zagreb

Cheapest return flights from Seoul to Zagreb in December from 510€

Return flights