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

Return flights

10 Dec - 24 Dec	British Airways
05 Dec - 12 Dec	TAP
06 Dec - 13 Dec	TAP
29 Dec - 08 Jan	British Airways
13 Dec - 24 Dec	British Airways
06 Dec - 20 Dec	TAP
07 Dec - 21 Dec	Iberia
11 Dec - 25 Dec	British Airways
29 Dec - 12 Jan	TAP
23 Dec - 06 Jan	British Airways
24 Dec - 06 Jan	British Airways
25 Dec - 08 Jan	Scandinavian Airlines
24 Dec - 11 Jan	TAP
16 Dec - 23 Dec	SWISS
15 Dec - 29 Dec	Hawaiian Airlines
24 Dec - 05 Jan	Lufthansa
11 Dec - 25 Dec	ITA Airways	direct
31 Dec - 05 Jan	TAP
29 Dec - 08 Jan	ITA Airways	direct
10 Dec - 03 Jan	TAP

Also check the deals for one-way flights from San Francisco 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 San Francisco to Rome in December from 397€

Return flights