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

Return flights

03 Dec - 11 Dec	TAP
06 Dec - 11 Dec	TAP
19 Dec - 06 Jan	TAP
23 Dec - 06 Jan	TAP
18 Dec - 08 Jan	TAP
13 Dec - 08 Jan	TAP
16 Dec - 18 Jan	Wizz Air Malta
10 Dec - 14 Dec	Iberia For Level
09 Dec - 14 Dec	Iberia For Level
11 Dec - 15 Dec	Iberia
16 Dec - 30 Dec	Ryanair
16 Dec - 07 Jan	Iberia
25 Dec - 06 Jan	TAP
29 Dec - 06 Jan	TAP
25 Dec - 10 Jan	TAP
25 Dec - 08 Jan	TAP
12 Dec - 14 Dec	ITA Airways	direct
11 Dec - 12 Dec	Norse Atlantic Airways
10 Dec - 14 Dec	ITA Airways	direct
10 Dec - 16 Dec	ITA Airways	direct

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 $502

Return flights