AirHint found the following cheapest return flights from Phoenix (PHX) to Rome (FCO) in January 2026 (see full year).

Return flights

18 Jan - 27 Jan	Brussels Airlines
26 Jan - 02 Feb	Frontier Airlines
19 Jan - 04 Feb	KLM
16 Jan - 20 Jan	Air Canada
24 Jan - 31 Jan	Lufthansa
15 Jan - 25 Jan	Frontier Airlines
09 Jan - 12 Jan	British Airways
09 Jan - 13 Jan	British Airways
08 Jan - 12 Jan	Frontier Airlines
02 Jan - 06 Jan	Frontier Airlines
02 Jan - 05 Jan	Frontier Airlines

Also check the deals for one-way flights from Phoenix to Rome in January.

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 January from $562

Return flights