AirHint found the following cheapest return flights from Athens (ATH) to Belgrade (BEG) in January 2026 (see full year).

Return flights

15 Jan - 19 Jan	Wizz Air UK
29 Jan - 01 Feb	Wizz Air UK
12 Jan - 16 Jan	Aegean Airlines	direct
09 Jan - 13 Jan	Wizz Air
22 Jan - 23 Jan	Air Serbia
29 Jan - 01 Feb	Air Serbia	direct
22 Jan - 23 Jan	Air Serbia	direct
07 Jan - 10 Jan	Aegean Airlines	direct
29 Jan - 31 Jan	Wizz Air UK
09 Jan - 13 Jan	Aegean Airlines	direct
01 Jan - 05 Jan	Air Serbia	direct
15 Jan - 19 Jan	Air Serbia	direct
31 Jan - 07 Feb	Air Serbia	direct
05 Jan - 05 Feb	Aegean Airlines	direct

Also check the deals for one-way flights from Athens to Belgrade in January.

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 Belgrade in January from 129€

Return flights