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

Return flights

20 Aug - 02 Sep	Ryanair
28 Aug - 09 Sep	Ryanair
30 Aug - 16 Sep	Ryanair
30 Aug - 15 Sep	Ryanair
21 Aug - 25 Aug	Ryanair
30 Aug - 10 Sep	Ryanair
22 Aug - 02 Sep	Ryanair
30 Aug - 13 Sep	Ryanair
29 Aug - 06 Sep	Ryanair
28 Aug - 10 Sep	Ryanair
28 Aug - 06 Sep	Ryanair
17 Aug - 31 Aug	Aer Lingus
04 Aug - 17 Aug	Ryanair
01 Aug - 14 Aug	Aer Lingus
19 Aug - 31 Aug	Ryanair
20 Aug - 30 Aug	Ryanair
09 Aug - 26 Aug	Ryanair
13 Aug - 20 Aug	Ryanair
16 Aug - 31 Aug	Ryanair
02 Aug - 24 Aug	Ryanair

Also check the deals for one-way flights from Dublin to Osaka 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 Osaka in August from 685€

Return flights