AirHint found the following cheapest return flights from Rome (ROM) to Boston (BOS) in September 2025 (see full year).

Return flights

16 Sep - 30 Sep	Norse Atlantic Airways
15 Sep - 30 Sep	Wizz Air Malta
15 Sep - 23 Sep	Wizz Air Malta
15 Sep - 22 Sep	Wizz Air Malta
15 Sep - 29 Sep	Wizz Air Malta
25 Sep - 30 Sep	Vueling Airlines
22 Sep - 30 Sep	Wizz Air Malta
22 Sep - 05 Oct	Wizz Air Malta
15 Sep - 27 Sep	Ryanair
15 Sep - 21 Sep	Wizz Air Malta
08 Sep - 15 Sep	Condor
22 Sep - 01 Oct	Wizz Air Malta
22 Sep - 02 Oct	Wizz Air Malta
30 Sep - 10 Oct	ITA Airways	direct

Also check the deals for one-way flights from Rome to Boston 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 Rome to Boston in September from $427

Return flights