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

Return flights

19 Aug - 26 Aug	United	direct
20 Aug - 26 Aug	United	direct
26 Aug - 02 Sep	Air France
18 Aug - 26 Aug	United	direct
18 Aug - 29 Aug	Delta
26 Aug - 03 Sep	Delta
24 Aug - 02 Sep	Delta
26 Aug - 04 Sep	KLM
25 Aug - 03 Sep	Delta
19 Aug - 29 Aug	SWISS
20 Aug - 28 Aug	United
20 Aug - 16 Sep	United
25 Aug - 01 Sep	Air Canada
21 Aug - 28 Aug	Air Canada
20 Aug - 10 Sep	United
19 Aug - 25 Aug	United	direct
19 Aug - 29 Aug	United	direct
18 Aug - 29 Aug	United	direct
20 Aug - 10 Sep	United	direct
25 Aug - 03 Sep	United	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 301€

Return flights