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

Return flights

16 Jul - 18 Jul	Air Serbia	direct
06 Jul - 07 Jul	Air Serbia	direct
06 Jul - 08 Jul	Air Serbia	direct
15 Jul - 18 Jul	Ryanair
24 Jul - 28 Jul	Air Serbia
14 Jul - 17 Jul	Air Serbia
25 Jul - 28 Jul	Air Serbia
11 Jul - 14 Jul	Air Serbia
07 Jul - 14 Jul	Air Serbia
13 Jul - 14 Jul	Air Serbia

Also check the deals for one-way flights from Zagreb to Belgrade in July.

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 July from $131

Return flights