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

Return flights

26 Aug - 16 Sep	Aer Lingus
23 Aug - 06 Sep	Ryanair
29 Aug - 21 Sep	Aer Lingus
25 Aug - 14 Sep	Aer Lingus
30 Aug - 15 Sep	Hainan Airlines
20 Aug - 10 Sep	Lufthansa
31 Aug - 06 Sep	Lufthansa
29 Aug - 03 Sep	Lufthansa
28 Aug - 04 Sep	Ryanair
23 Aug - 11 Sep	Aer Lingus
21 Aug - 28 Aug	Lufthansa
18 Aug - 29 Aug	Aer Lingus
02 Aug - 09 Aug	Turkish Airlines
24 Aug - 31 Aug	Aer Lingus
20 Aug - 26 Aug	Aer Lingus
07 Aug - 11 Aug	Aer Lingus
02 Aug - 20 Aug	Ryanair
20 Aug - 31 Aug	Scandinavian Airlines
06 Aug - 13 Aug	Ryanair
04 Aug - 10 Aug	Ryanair

Also check the deals for one-way flights from Dublin to Tokyo 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 Dublin to Tokyo in August from $879

Return flights