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

Return flights

03 Sep - 08 Sep	Wizz Air Malta
04 Sep - 08 Sep	Wizz Air Malta
04 Sep - 09 Sep	Wizz Air Malta
11 Sep - 15 Sep	Ryanair
05 Sep - 08 Sep	Wizz Air Malta
17 Sep - 24 Sep	Ryanair
12 Sep - 16 Sep	Ryanair
01 Sep - 08 Sep	SWISS
19 Sep - 22 Sep	SWISS
12 Sep - 19 Sep	SWISS
29 Sep - 20 Oct	Norwegian	direct
19 Sep - 06 Oct	Norwegian
17 Sep - 06 Oct	Vueling Airlines
29 Sep - 13 Oct	Norwegian
19 Sep - 06 Oct	Norwegian	direct
22 Sep - 13 Oct	Vueling Airlines
29 Sep - 13 Oct	Norwegian	direct
19 Sep - 10 Oct	Norwegian	direct
22 Sep - 06 Oct	Vueling Airlines
19 Sep - 03 Oct	Norwegian

Also check the deals for one-way flights from Naples to Oslo 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 Oslo in September from 130€

Return flights