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

Return flights

09 Sep - 19 Sep	United
09 Sep - 16 Sep	Air Canada
09 Sep - 17 Sep	United
28 Sep - 09 Oct	SWISS
10 Sep - 16 Sep	Air Canada
15 Sep - 23 Sep	Air Canada
28 Sep - 15 Oct	SWISS
14 Sep - 01 Oct	United
16 Sep - 25 Sep	United
30 Sep - 08 Oct	United
15 Sep - 25 Sep	United
17 Sep - 23 Sep	United
10 Sep - 24 Sep	United
30 Sep - 23 Oct	SWISS
29 Sep - 06 Oct	SWISS
15 Sep - 15 Oct	SWISS
09 Sep - 15 Oct	United
29 Sep - 05 Oct	Scandinavian Airlines
26 Sep - 07 Oct	SWISS
12 Sep - 19 Sep	United

Also check the deals for one-way flights from Newark to Rome 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 Newark to Rome in September from 359€

Return flights