AirHint found the following cheapest return flights from Rome (FCO) to Phnom-penh (PNH) in December 2025 (see full year).

Return flights

05 Dec - 14 Dec	Air China
03 Dec - 15 Dec	Air China
03 Dec - 14 Dec	Air China
02 Dec - 14 Dec	Air China
02 Dec - 10 Dec	Air China
03 Dec - 10 Dec	Air China
01 Dec - 10 Dec	Air China
01 Dec - 14 Dec	Air China
04 Dec - 15 Dec	Etihad Airways
05 Dec - 10 Dec	Air China
27 Dec - 10 Jan	Wizz Air Malta
29 Dec - 12 Jan	Qatar Airways
28 Dec - 11 Jan	ITA Airways
26 Dec - 11 Jan	ITA Airways
19 Dec - 04 Jan	ITA Airways
25 Dec - 06 Jan	Etihad Airways
24 Dec - 03 Jan	Etihad Airways
19 Dec - 03 Jan	Air China
22 Dec - 03 Jan	Air China
24 Dec - 04 Jan	Air China

Also check the deals for one-way flights from Rome to Phnom-penh 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 Phnom-penh in December from 552€

Return flights