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

Return flights

07 Apr - 12 May	Lufthansa
07 Apr - 14 Apr	Lufthansa
08 Apr - 15 Apr	Lufthansa
28 Apr - 03 May	Lufthansa
07 Apr - 18 Apr	LOT
28 Apr - 04 May	Lufthansa
27 Apr - 03 May	Lufthansa
28 Apr - 08 May	Lufthansa
30 Apr - 07 May	Lufthansa
03 Apr - 10 Apr	Lufthansa
06 Apr - 09 Apr	SWISS
25 Apr - 02 May	LOT
12 Apr - 03 May	LOT
26 Apr - 06 May	Lufthansa
19 Apr - 10 May	LOT
04 Apr - 11 Apr	Lufthansa

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

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 April from $687

Return flights