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

Return flights

25 Sep - 08 Oct	KLM
18 Sep - 22 Sep	KLM
25 Sep - 28 Sep	KLM
22 Sep - 30 Sep	KLM
24 Sep - 30 Sep	Emirates
24 Sep - 02 Oct	Emirates
29 Sep - 03 Oct	Emirates
18 Sep - 01 Oct	Emirates
21 Sep - 29 Sep	ITA Airways
17 Sep - 24 Sep	KLM
18 Sep - 21 Sep	Air France
28 Sep - 07 Oct	Etihad Airways
15 Sep - 22 Sep	Wizz Air Malta
22 Sep - 28 Sep	Air France
18 Sep - 28 Sep	Emirates
27 Sep - 02 Oct	Emirates
24 Sep - 06 Oct	Lufthansa
23 Sep - 07 Oct	Austrian Airlines
23 Sep - 02 Oct	Austrian Airlines

Also check the deals for one-way flights from Naples to Bangkok 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 Bangkok in September from $633

Return flights