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

Return flights

17 Dec - 19 Dec	Volotea	direct
12 Dec - 19 Dec	Volotea	direct
08 Dec - 19 Dec	Volotea	direct
01 Dec - 19 Dec	Volotea	direct
17 Dec - 24 Dec	Volotea	direct
12 Dec - 24 Dec	Volotea	direct
05 Dec - 19 Dec	Volotea	direct
08 Dec - 24 Dec	Volotea	direct
31 Dec - 12 Jan	Volotea	direct
31 Dec - 16 Jan	Volotea	direct
31 Dec - 19 Jan	Volotea	direct
05 Dec - 09 Dec	Air Serbia
04 Dec - 07 Dec	Ryanair
19 Dec - 11 Jan	Ryanair
18 Dec - 11 Jan	Ryanair
19 Dec - 03 Jan	Air Serbia
19 Dec - 12 Jan	Air Serbia
19 Dec - 09 Jan	Air Serbia
17 Dec - 02 Jan	Aegean Airlines
19 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Athens 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 Athens to Zagreb in December from 113€

Return flights