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

Return flights

18 Sep - 30 Sep	SWISS
05 Sep - 11 Sep	Condor
24 Sep - 01 Oct	Norse Atlantic Airways (UK)
07 Sep - 25 Sep	Norse Atlantic Airways	direct
09 Sep - 23 Sep	TAP
02 Sep - 16 Sep	TAP
23 Sep - 14 Oct	TAP
15 Sep - 15 Oct	TAP
01 Sep - 18 Sep	TAP
08 Sep - 17 Sep	TAP
14 Sep - 22 Sep	TAP
30 Sep - 07 Oct	TAP
09 Sep - 16 Sep	TAP
08 Sep - 15 Sep	TAP
25 Sep - 10 Oct	Norse Atlantic Airways (UK)
14 Sep - 01 Oct	TAP
11 Sep - 02 Oct	TAP
17 Sep - 01 Oct	Norse Atlantic Airways (UK)
24 Sep - 03 Oct	Norse Atlantic Airways	direct
25 Sep - 10 Oct	Norse Atlantic Airways	direct

Also check the deals for one-way flights from New York 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 New York to Rome in September from $314

Return flights