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

Return flights

08 Dec - 13 Dec	China Eastern
11 Dec - 18 Dec	Air China
04 Dec - 19 Dec	Air China
10 Dec - 18 Dec	Air China
01 Dec - 13 Dec	Air China
01 Dec - 12 Dec	China Eastern
03 Dec - 17 Dec	China Eastern
03 Dec - 18 Dec	Air China
13 Dec - 30 Dec	Sichuan Airlines
24 Dec - 31 Dec	Hainan Airlines
30 Dec - 02 Jan	Hainan Airlines
27 Dec - 07 Jan	easyJet
20 Dec - 03 Jan	Ryanair
26 Dec - 04 Jan	Brussels Airlines
24 Dec - 05 Jan	Air China
21 Dec - 05 Jan	Wizz Air
26 Dec - 05 Jan	easyJet
26 Dec - 02 Jan	easyJet
21 Dec - 02 Jan	Hainan Airlines
18 Dec - 04 Jan	Sichuan 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 $628

Return flights