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

Return flights

21 Aug - 24 Aug	Ryanair
14 Aug - 17 Aug	Air Serbia	direct
15 Aug - 17 Aug	Air Serbia	direct
21 Aug - 24 Aug	Air Serbia	direct
22 Aug - 24 Aug	Air Serbia	direct
08 Aug - 20 Aug	Air Serbia	direct
16 Aug - 22 Aug	Air Serbia	direct
07 Aug - 10 Aug	Air Serbia	direct
13 Aug - 14 Aug	Air Serbia	direct
19 Aug - 25 Aug	Air Serbia	direct

Also check the deals for one-way flights from Zagreb 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 Zagreb to Belgrade in August from 147€

Return flights