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

Return flights

22 Sep - 28 Sep	United	direct
25 Sep - 30 Sep	United
26 Sep - 30 Sep	United
23 Sep - 30 Sep	United	direct
24 Sep - 29 Sep	United	direct
24 Sep - 28 Sep	United	direct
26 Sep - 29 Sep	United	direct
24 Sep - 08 Oct	United
26 Sep - 02 Oct	United	direct
25 Sep - 02 Oct	United	direct
24 Sep - 10 Oct	United	direct
24 Sep - 11 Oct	United
27 Sep - 03 Oct	Scandinavian Airlines
30 Sep - 05 Oct	Austrian Airlines
18 Sep - 22 Sep	Delta
18 Sep - 21 Sep	Delta
18 Sep - 15 Oct	Air France
18 Sep - 13 Oct	Air France
26 Sep - 03 Oct	United	direct
20 Sep - 22 Sep	easyJet

Also check the deals for one-way flights from Naples to Newark 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 Newark in September from $560

Return flights