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

Return flights

27 Sep - 14 Oct	Vueling Airlines
24 Sep - 14 Oct	Vueling Airlines
24 Sep - 29 Sep	Wizz Air
30 Sep - 02 Oct	SWISS
24 Sep - 30 Sep	SWISS
26 Sep - 02 Oct	Austrian Airlines
18 Sep - 28 Sep	Lufthansa
30 Sep - 30 Sep	Lufthansa
22 Sep - 27 Sep	SWISS
18 Sep - 20 Sep	Lufthansa
22 Sep - 29 Sep	SWISS
20 Sep - 27 Sep	SWISS
26 Sep - 28 Sep	Austrian Airlines
27 Sep - 17 Oct	Vueling Airlines
15 Sep - 22 Sep	Eurowings
27 Sep - 04 Oct	SWISS
26 Sep - 19 Oct	Austrian Airlines
26 Sep - 04 Oct	Austrian Airlines
27 Sep - 08 Oct	Vueling Airlines
27 Sep - 02 Oct	Vueling Airlines

Also check the deals for one-way flights from Stuttgart to Naples 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 Stuttgart to Naples in September from $189

Return flights