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

Return flights

05 Dec - 14 Dec	Air China
04 Dec - 17 Dec	Air China
02 Dec - 14 Dec	Air China
06 Dec - 22 Dec	Air China
06 Dec - 14 Dec	Air China
02 Dec - 10 Dec	Air China
02 Dec - 11 Dec	Air China
02 Dec - 20 Dec	Air China
03 Dec - 20 Dec	Air China
04 Dec - 20 Dec	Air China
14 Dec - 14 Jan	Finnair
16 Dec - 15 Jan	Sichuan Airlines
15 Dec - 07 Jan	Korean Air
17 Dec - 06 Jan	Korean Air
29 Dec - 12 Jan	British Airways
28 Dec - 18 Jan	Lufthansa
22 Dec - 06 Jan	Korean Air
26 Dec - 13 Jan	Lufthansa
16 Dec - 15 Jan	ITA Airways	direct
14 Dec - 14 Jan	ITA Airways	direct

Also check the deals for one-way flights from Rome to Tokyo 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 Tokyo in December from 549€

Return flights