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

Return flights

29 Aug - 10 Sep	Jeju Air
20 Aug - 27 Aug	Peach
20 Aug - 04 Sep	China Eastern
30 Aug - 06 Sep	Air Busan
25 Aug - 29 Aug	Jeju Air
17 Aug - 24 Aug	Peach
01 Aug - 30 Aug	Jetstar Japan
23 Aug - 28 Sep	T'way Air
07 Aug - 17 Aug	T'way Air
04 Aug - 13 Aug	KLM
13 Aug - 16 Aug	China Eastern
03 Aug - 31 Aug	KLM
06 Aug - 20 Aug	KLM
17 Aug - 26 Aug	SWISS
20 Aug - 05 Sep	Turkish Airlines
28 Aug - 04 Sep	Qatar Airways

Also check the deals for one-way flights from Tokyo to Dublin in August.

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 August from 708€

Return flights