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

Return flights

01 Dec - 13 Dec	Aer Lingus
02 Dec - 14 Dec	Ryanair
06 Dec - 10 Dec	Ryanair
03 Dec - 11 Dec	Ryanair
10 Dec - 14 Dec	Aer Lingus
01 Dec - 09 Dec	Ryanair
08 Dec - 15 Dec	Ryanair
09 Dec - 16 Dec	Aer Lingus
01 Dec - 14 Dec	Ryanair
02 Dec - 12 Dec	Ryanair
04 Dec - 15 Jan	Transavia France
11 Dec - 20 Jan	Aer Lingus
12 Dec - 12 Jan	Ryanair
15 Dec - 06 Jan	Ryanair
09 Dec - 08 Jan	Ryanair
30 Dec - 24 Jan	Hainan Airlines
14 Dec - 06 Jan	Ryanair
14 Dec - 29 Jan	Ryanair
30 Dec - 23 Jan	Aer Lingus
30 Dec - 20 Jan	Ryanair

Also check the deals for one-way flights from Dublin 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 Dublin to Tokyo in December from 583€

Return flights