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

Return flights

08 Aug - 21 Aug	Air Canada
18 Aug - 22 Aug	Aer Lingus	direct
10 Aug - 21 Aug	Air Canada
15 Aug - 21 Aug	Air Canada
11 Aug - 21 Aug	Air Canada
06 Aug - 21 Aug	Air Canada
12 Aug - 21 Aug	Air Canada
07 Aug - 21 Aug	Air Canada
13 Aug - 22 Aug	United
10 Aug - 22 Aug	United	direct
25 Aug - 15 Sep	SWISS
27 Aug - 06 Sep	Aer Lingus	direct
27 Aug - 13 Sep	Air Canada
25 Aug - 02 Sep	Air Canada
22 Aug - 10 Sep	Air Canada
25 Aug - 13 Sep	SWISS
25 Aug - 06 Sep	SWISS
21 Aug - 07 Sep	Air Canada
27 Aug - 05 Sep	Air Canada
25 Aug - 14 Sep	Aer Lingus	direct

Also check the deals for one-way flights from Newark 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 Newark to Dublin in August from $329

Return flights