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

Return flights

25 Aug - 01 Sep	Delta
06 Aug - 13 Aug	Alaska Airlines
15 Aug - 22 Aug	Alaska Airlines
31 Aug - 10 Sep	Icelandair
12 Aug - 20 Aug	Icelandair
12 Aug - 19 Aug	Icelandair
13 Aug - 21 Aug	Icelandair
14 Aug - 21 Aug	Icelandair
12 Aug - 18 Aug	Icelandair
20 Aug - 27 Aug	Icelandair
22 Aug - 29 Aug	Icelandair
08 Aug - 20 Aug	Icelandair
18 Aug - 01 Sep	Icelandair
27 Aug - 01 Sep	Icelandair
28 Aug - 04 Sep	Icelandair
28 Aug - 08 Sep	Icelandair
29 Aug - 06 Sep	Icelandair
23 Aug - 07 Sep	Icelandair
29 Aug - 07 Sep	Icelandair

Also check the deals for one-way flights from Oakland 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 Oakland to Dublin in August from $726

Return flights