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

Return flights

25 Aug - 01 Sep	Volotea
29 Aug - 05 Sep	Volotea
31 Aug - 05 Sep	Wizz Air Malta
31 Aug - 02 Sep	Wizz Air Malta
01 Aug - 19 Aug	Ryanair
24 Aug - 02 Sep	Wizz Air Malta
31 Aug - 03 Sep	Wizz Air Malta
20 Aug - 27 Aug	Air Serbia
11 Aug - 15 Aug	Ryanair
26 Aug - 29 Aug	Air Serbia	direct
27 Aug - 08 Sep	Air Serbia	direct
28 Aug - 01 Sep	Air Serbia	direct
20 Aug - 26 Aug	Wizz Air
04 Aug - 07 Aug	Ryanair
08 Aug - 15 Aug	Ryanair
14 Aug - 17 Aug	Wizz Air
22 Aug - 25 Aug	Wizz Air Malta
29 Aug - 05 Sep	Aegean Airlines	direct
01 Aug - 06 Aug	Ryanair
29 Aug - 08 Sep	Volotea

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.

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Cheapest return flights from Athens to Belgrade in August from $220

Return flights