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

Return flights

28 Sep - 08 Oct	Ryanair
28 Sep - 01 Oct	Ryanair
21 Sep - 28 Sep	Ryanair	direct
29 Sep - 09 Oct	Wizz Air Malta
30 Sep - 02 Oct	Ryanair
29 Sep - 02 Oct	Wizz Air Malta
28 Sep - 29 Sep	Ryanair
25 Sep - 29 Sep	easyJet
28 Sep - 29 Sep	Ryanair	direct
21 Sep - 22 Sep	Ryanair	direct
26 Sep - 30 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
26 Sep - 29 Sep	Ryanair
29 Sep - 30 Sep	Wizz Air Malta
25 Sep - 28 Sep	Ryanair
30 Sep - 01 Oct	Ryanair
29 Sep - 07 Oct	Ryanair
29 Sep - 08 Oct	Ryanair
30 Sep - 04 Oct	Ryanair
29 Sep - 09 Oct	Ryanair	direct

Also check the deals for one-way flights from Naples to Bucharest 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 Bucharest in September from $119

Return flights