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

Return flights

10 Sep - 17 Sep	Wizz Air Malta
02 Sep - 08 Sep	Wizz Air
15 Sep - 26 Sep	Ryanair
08 Sep - 13 Sep	Ryanair
01 Sep - 04 Sep	Wizz Air Malta
22 Sep - 26 Sep	Ryanair
09 Sep - 12 Sep	Wizz Air
05 Sep - 15 Sep	easyJet
09 Sep - 16 Sep	Wizz Air
01 Sep - 30 Sep	Wizz Air Malta
30 Sep - 02 Oct	Wizz Air
01 Sep - 04 Oct	easyJet
30 Sep - 04 Oct	Wizz Air
29 Sep - 01 Oct	Wizz Air Malta
29 Sep - 05 Oct	Wizz Air Malta
28 Sep - 02 Oct	easyJet
28 Sep - 02 Oct	Turkish Airlines	direct
01 Sep - 04 Oct	Turkish Airlines	direct
30 Sep - 11 Oct	Wizz Air
30 Sep - 02 Oct	Turkish Airlines	direct

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 $177

Return flights