AirHint found the following cheapest return flights from Rome (ROM) to Osaka (KIX) in December 2025 (see full year).

Return flights

23 Dec - 19 Jan	Wizz Air Malta
24 Dec - 19 Jan	Wizz Air Malta
23 Dec - 23 Jan	Wizz Air Malta
21 Dec - 21 Jan	T'way Air
23 Dec - 20 Jan	Wizz Air Malta
22 Dec - 20 Jan	Ryanair
21 Dec - 20 Jan	T'way Air
22 Dec - 19 Jan	Ryanair
16 Dec - 19 Jan	Wizz Air Malta
27 Dec - 20 Jan	Wizz Air Malta
20 Dec - 31 Dec	Ryanair
17 Dec - 24 Dec	Ryanair
23 Dec - 30 Dec	KLM
22 Dec - 31 Dec	Ryanair
15 Dec - 28 Dec	Ryanair
18 Dec - 25 Dec	Wizz Air Malta

Also check the deals for one-way flights from Rome to Osaka 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 Osaka in December from $806

Return flights