AirHint found the following cheapest return flights from Athens (ATH) to Belgrade (BEG) in August 2025 (see full year).
14 Aug - 21 Aug | Aegean Airlines | direct | |
17 Aug - 24 Aug | Aegean Airlines | direct | |
22 Aug - 26 Aug | Aegean Airlines | direct | |
06 Aug - 10 Aug | Air Serbia | direct |
Also check the deals for one-way flights from Athens to Belgrade in August.
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.