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

Return flights

26 Aug - 06 Sep	Croatia Airlines
20 Aug - 27 Aug	easyJet
21 Aug - 26 Aug	Croatia Airlines
29 Aug - 05 Sep	Austrian Airlines
29 Aug - 31 Aug	Croatia Airlines
27 Aug - 30 Aug	Austrian Airlines
28 Aug - 30 Aug	Austrian Airlines
29 Aug - 30 Aug	Croatia Airlines
30 Aug - 04 Sep	Croatia Airlines
20 Aug - 25 Aug	Croatia Airlines
30 Aug - 01 Sep	Eurowings
21 Aug - 23 Aug	Croatia Airlines
28 Aug - 31 Aug	Austrian Airlines
20 Aug - 21 Aug	Croatia Airlines
31 Aug - 05 Sep	Croatia Airlines

Also check the deals for one-way flights from Split 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 Split to Belgrade in August from 210€

Return flights