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

Return flights

13 Dec - 12 Jan	Ryanair
12 Dec - 15 Jan	Ryanair
11 Dec - 14 Jan	Ryanair
11 Dec - 15 Jan	Ryanair
11 Dec - 13 Jan	Ryanair
11 Dec - 12 Jan	Ryanair
12 Dec - 13 Jan	Ryanair
12 Dec - 12 Jan	Ryanair
28 Dec - 13 Jan	Ryanair
14 Dec - 20 Dec	Ryanair
12 Dec - 17 Jan	Ryanair
13 Dec - 21 Dec	Ryanair
18 Dec - 25 Dec	Ryanair
04 Dec - 08 Dec	Ryanair

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 $828

Return flights