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

Return flights

04 Dec - 11 Dec	Air China
04 Dec - 19 Dec	Air China
04 Dec - 13 Dec	Air China
03 Dec - 11 Dec	Air China
01 Dec - 12 Dec	Air China
09 Dec - 20 Dec	Air China
03 Dec - 13 Dec	Air China
05 Dec - 13 Dec	Air China
01 Dec - 13 Dec	Air China
06 Dec - 13 Dec	Air China
12 Dec - 01 Jan	Air China
18 Dec - 03 Jan	Ryanair
18 Dec - 08 Jan	Ryanair
29 Dec - 12 Jan	China Eastern
23 Dec - 06 Jan	Ryanair
22 Dec - 07 Jan	Brussels Airlines
28 Dec - 07 Jan	Hainan Airlines
23 Dec - 01 Jan	Air China
27 Dec - 06 Jan	Air China
28 Dec - 11 Jan	Hainan Airlines

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 $649

Return flights