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

One-Way flights

09 Dec	China Eastern
10 Dec	China Eastern
01 Dec	Ryanair
04 Dec	Ryanair
30 Dec	Ryanair
11 Dec	Sichuan Airlines
08 Dec	Turkish Airlines
03 Dec	Turkish Airlines
10 Dec	ITA Airways	direct
12 Dec	ITA Airways	direct

Also check the deals for return 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 one-way flights from Rome to Tokyo in December from 407€

One-Way flights