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

Return flights

11 Aug - 21 Aug	Air Canada
10 Aug - 20 Aug	Air France	direct
06 Aug - 22 Aug	Delta
11 Aug - 22 Aug	Delta
11 Aug - 20 Aug	Delta
27 Aug - 03 Sep	Air Canada
27 Aug - 02 Sep	Air Canada
20 Aug - 27 Aug	Aer Lingus	direct
06 Aug - 12 Aug	Aer Lingus	direct
20 Aug - 01 Sep	Air Canada
06 Aug - 08 Aug	Aer Lingus	direct
04 Aug - 11 Aug	Air Canada
04 Aug - 14 Aug	Air Canada
27 Aug - 01 Sep	Air Canada
12 Aug - 09 Sep	Air Canada
27 Aug - 28 Sep	Icelandair
23 Aug - 24 Sep	Icelandair
22 Aug - 02 Sep	Icelandair
28 Aug - 02 Sep	Icelandair
29 Aug - 05 Sep	Scandinavian Airlines

Also check the deals for one-way flights from New York 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 New York to Dublin in August from $340

Return flights