AirHint found the following cheapest return flights from Los Angeles (LAX) to Rome (FCO) in December 2026 (see full year).

Return flights

01 Dec - 08 Dec	TAP
02 Dec - 09 Dec	United
01 Dec - 11 Dec	Delta
06 Dec - 17 Dec	Delta
06 Dec - 13 Dec	United
07 Dec - 21 Dec	United
01 Dec - 13 Dec	United
13 Dec - 30 Dec	United
14 Dec - 30 Dec	Lufthansa
15 Dec - 29 Dec	Lufthansa
25 Dec - 10 Jan	Lufthansa
24 Dec - 10 Jan	SWISS
23 Dec - 10 Jan	Lufthansa
22 Dec - 10 Jan	SWISS
24 Dec - 02 Jan	SWISS
23 Dec - 02 Jan	SWISS
23 Dec - 10 Jan	ITA Airways	direct
16 Dec - 03 Jan	Lufthansa
22 Dec - 03 Jan	SWISS
24 Dec - 10 Jan	ITA Airways	direct

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 405€

Return flights