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

Return flights

23 Dec - 17 Jan	British Airways
22 Dec - 17 Jan	Air Canada
21 Dec - 10 Jan	British Airways
23 Dec - 04 Jan	British Airways
22 Dec - 04 Jan	British Airways
21 Dec - 03 Jan	British Airways
22 Dec - 03 Jan	British Airways
20 Dec - 03 Jan	British Airways
20 Dec - 02 Jan	Sun Country Airlines
19 Dec - 03 Jan	British Airways

Also check the deals for one-way flights from Phoenix 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 Phoenix to Rome in December from $661

Return flights