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

Return flights

17 Dec - 06 Jan	T'way Air
18 Dec - 06 Jan	Zipair
17 Dec - 08 Jan	KLM
18 Dec - 05 Jan	Zipair
08 Dec - 11 Dec	KLM
18 Dec - 04 Jan	Zipair
19 Dec - 04 Jan	Air Japan
13 Dec - 04 Jan	Jeju Air
12 Dec - 03 Jan	T'way Air
23 Dec - 05 Jan	KLM
20 Dec - 03 Jan	Zipair
01 Dec - 11 Dec	KLM
13 Dec - 29 Dec	KLM
12 Dec - 23 Dec	Qatar Airways
25 Dec - 30 Dec	KLM
25 Dec - 31 Dec	KLM
28 Dec - 31 Dec	KLM
14 Dec - 18 Dec	KLM
15 Dec - 18 Dec	Emirates
27 Dec - 30 Dec	KLM

Also check the deals for one-way flights from Tokyo to Dublin 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 Tokyo to Dublin in December from 635€

Return flights