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

Return flights

10 Dec - 13 Dec	Aegean Airlines
14 Dec - 18 Dec	Wizz Air
05 Dec - 10 Dec	Wizz Air
06 Dec - 08 Dec	Aegean Airlines
12 Dec - 16 Dec	Air Serbia
14 Dec - 15 Dec	Air Serbia
11 Dec - 15 Dec	Air Serbia
13 Dec - 15 Dec	Air Serbia
09 Dec - 13 Dec	Air Serbia
16 Dec - 19 Dec	Wizz Air
20 Dec - 10 Jan	Wizz Air
24 Dec - 04 Jan	Aegean Airlines	direct
26 Dec - 04 Jan	Air Serbia
24 Dec - 03 Jan	Air Serbia	direct
20 Dec - 06 Jan	Wizz Air
26 Dec - 02 Jan	Wizz Air Malta
26 Dec - 04 Jan	Air Serbia	direct
31 Dec - 07 Jan	Air Serbia	direct
31 Dec - 01 Jan	Air Serbia	direct
25 Dec - 05 Jan	Wizz Air

Also check the deals for one-way flights from Belgrade to Athens 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 Belgrade to Athens in December from 136€

Return flights