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

Return flights

09 Dec - 16 Dec	Lufthansa
09 Dec - 17 Dec	Lufthansa
07 Dec - 16 Dec	Brussels Airlines
08 Dec - 15 Dec	Lufthansa
03 Dec - 10 Dec	Brussels Airlines
30 Dec - 29 Jan	Lufthansa
30 Dec - 14 Jan	Lufthansa
01 Dec - 12 Dec	Lufthansa
07 Dec - 14 Dec	Lufthansa
03 Dec - 09 Dec	Lufthansa
02 Dec - 16 Dec	Lufthansa
10 Dec - 24 Dec	Air France
31 Dec - 30 Jan	Lufthansa
30 Dec - 13 Jan	Finnair
29 Dec - 13 Jan	Lufthansa
31 Dec - 11 Jan	British Airways
28 Dec - 15 Jan	Iberia
31 Dec - 30 Jan	ITA Airways	direct
30 Dec - 11 Jan	Lufthansa
02 Dec - 08 Jan	Lufthansa

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Rome in December from 349€

Return flights