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

Return flights

28 Dec - 07 Jan	Austrian Airlines
28 Dec - 11 Jan	Austrian Airlines
26 Dec - 31 Dec	LOT
29 Dec - 02 Jan	LOT
23 Dec - 28 Dec	LOT
22 Dec - 26 Dec	Austrian Airlines
26 Dec - 05 Jan	LOT
24 Dec - 04 Jan	Austrian Airlines
29 Dec - 04 Jan	Austrian Airlines
30 Dec - 04 Jan	Ryanair
30 Dec - 01 Jan	LOT
22 Dec - 04 Jan	Austrian Airlines
21 Dec - 04 Jan	Austrian Airlines
20 Dec - 22 Dec	Condor
14 Dec - 16 Dec	easyJet

Also check the deals for one-way flights from Hamburg 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.

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Cheapest return flights from Hamburg to Zagreb in December from $238

Return flights