AirHint found the following cheapest return flights from Split (SPU) to Osijek (OSI) in July 2025 (see full year).

Return flights

25 Jul - 28 Jul	Trade Air
18 Jul - 22 Jul	Trade Air
14 Jul - 15 Jul	Trade Air
25 Jul - 27 Jul	Trade Air
11 Jul - 18 Jul	Croatia Airlines
24 Jul - 27 Jul	Croatia Airlines
08 Jul - 15 Aug	Trade Air
18 Jul - 18 Jul	Croatia Airlines
13 Jul - 20 Jul	Croatia Airlines
19 Jul - 20 Jul	Croatia Airlines
08 Jul - 14 Jul	Trade Air

Also check the deals for one-way flights from Split to Osijek 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 Split to Osijek in July from $180

Return flights