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

Return flights

19 May - 25 May	Lufthansa
19 May - 15 Jun	Lufthansa
14 May - 20 May	Lufthansa
05 May - 12 May	Lufthansa
06 May - 12 May	Lufthansa
12 May - 22 May	LOT
25 May - 08 Jun	LOT
22 May - 31 May	Lufthansa
30 May - 06 Jun	LOT
17 May - 30 May	LOT
31 May - 21 Jun	LOT
31 May - 07 Jun	LOT
01 May - 05 May	Lufthansa
18 May - 28 May	Singapore Airlines
15 May - 24 May	Lufthansa
22 May - 02 Jun	Lufthansa

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

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 May from $651

Return flights