Cheapest return flights from Split to Istanbul in September from $176

Best time to book flights for Split (SPU) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Split (SPU) to Istanbul (IST) in September 2025 (see full year).

Return flights

30 Sep - 04 Oct Croatia Airlines direct
23 Sep - 26 Sep Croatia Airlines direct
14 Sep - 19 Sep Croatia Airlines direct
12 Sep - 19 Sep Croatia Airlines direct
28 Sep - 05 Oct Croatia Airlines direct
15 Sep - 19 Sep Croatia Airlines
30 Sep - 07 Oct Croatia Airlines

Also check the deals for one-way flights from Split to Istanbul in September.

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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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