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

Return flights

17 Sep - 24 Sep	Wizz Air Malta
16 Sep - 22 Sep	easyJet
16 Sep - 28 Sep	easyJet
23 Sep - 28 Sep	easyJet
26 Sep - 03 Oct	Wizz Air Malta
15 Sep - 24 Sep	Wizz Air Malta
30 Sep - 04 Oct	Wizz Air
30 Sep - 02 Oct	easyJet
14 Sep - 17 Sep	Volotea
24 Sep - 30 Sep	Ryanair
26 Sep - 29 Sep	Volotea
16 Sep - 19 Sep	easyJet
11 Sep - 17 Sep	easyJet
29 Sep - 03 Oct	Wizz Air Malta
24 Sep - 01 Oct	Ryanair
28 Sep - 03 Oct	Volotea
30 Sep - 05 Oct	Wizz Air
29 Sep - 04 Oct	Wizz Air Malta
22 Sep - 11 Oct	Ryanair
28 Sep - 01 Oct	Volotea

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

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 Naples to Istanbul in September from $154

Return flights