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

Return flights

07 Dec - 14 Dec	TAP
05 Dec - 11 Dec	TAP
08 Dec - 14 Dec	TAP
04 Dec - 14 Dec	TAP
30 Dec - 24 Jan	Scandinavian Airlines
12 Dec - 23 Dec	TAP
12 Dec - 22 Dec	TAP
15 Dec - 22 Dec	Icelandair
28 Dec - 07 Jan	Austrian Airlines
05 Dec - 11 Dec	Air France	direct
08 Dec - 14 Dec	Delta	direct
25 Dec - 08 Jan	Icelandair
24 Dec - 07 Jan	Lufthansa
05 Dec - 12 Dec	ITA Airways	direct
27 Dec - 17 Jan	Icelandair
25 Dec - 17 Jan	Icelandair
17 Dec - 07 Jan	Delta
23 Dec - 06 Jan	British Airways
30 Dec - 06 Jan	United
23 Dec - 03 Jan	British Airways

Also check the deals for one-way flights from Boston to Rome 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 Boston to Rome in December from 447CAD

Return flights