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

Return flights

08 Dec - 11 Dec	Norse Atlantic Airways
08 Dec - 15 Dec	Icelandair
06 Dec - 08 Dec	TAP
25 Dec - 01 Jan	Iberia
05 Dec - 08 Dec	TAP
16 Dec - 06 Jan	Aer Lingus
11 Dec - 16 Dec	Icelandair
07 Dec - 12 Dec	Icelandair
15 Dec - 06 Jan	Aer Lingus
18 Dec - 07 Jan	Vueling Airlines
25 Dec - 28 Dec	Iberia
28 Dec - 01 Jan	Scandinavian Airlines
24 Dec - 07 Jan	Wizz Air Malta
09 Dec - 12 Dec	TAP
06 Dec - 07 Jan	Ryanair
17 Dec - 31 Dec	Aer Lingus
23 Dec - 06 Jan	Aer Lingus
07 Dec - 14 Dec	Aer Lingus
17 Dec - 07 Jan	Aer Lingus
25 Dec - 06 Jan	Wizz Air Malta

Also check the deals for one-way flights from Rome to Boston in December.

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 December from 492€

Return flights