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

Return flights

05 Dec - 09 Dec	TAP
03 Dec - 11 Dec	TAP
04 Dec - 11 Dec	TAP
03 Dec - 09 Dec	TAP
05 Dec - 11 Dec	TAP
10 Dec - 16 Dec	Iberia For Level
03 Dec - 16 Dec	Iberia For Level
06 Dec - 14 Dec	Iberia For Level
11 Dec - 14 Dec	Iberia For Level
15 Dec - 13 Jan	Iberia For Level
14 Dec - 23 Dec	Vueling Airlines
19 Dec - 17 Jan	TAP
26 Dec - 13 Jan	TAP
22 Dec - 22 Jan	TAP
08 Dec - 03 Jan	TAP
25 Dec - 13 Jan	TAP
16 Dec - 14 Jan	British Airways
16 Dec - 10 Jan	British Airways
15 Dec - 10 Jan	British Airways
16 Dec - 11 Jan	British Airways

Also check the deals for one-way flights from Rome to Los Angeles 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 Los Angeles in December from $441

Return flights