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

Return flights

12 Aug - 21 Aug	Air France	direct
11 Aug - 18 Aug	Air Canada
14 Aug - 21 Aug	Finnair
12 Aug - 22 Aug	Air France	direct
11 Aug - 22 Aug	Delta
13 Aug - 22 Aug	KLM
25 Aug - 03 Sep	Air France	direct
17 Aug - 28 Aug	United
12 Aug - 18 Aug	Delta
23 Aug - 30 Aug	Delta
20 Aug - 28 Aug	Air Canada
31 Aug - 09 Sep	Air Canada
22 Aug - 02 Sep	Delta
28 Aug - 10 Sep	Aer Lingus	direct
30 Aug - 04 Sep	Aer Lingus	direct
31 Aug - 07 Sep	Aer Lingus	direct
30 Aug - 07 Sep	Aer Lingus	direct
29 Aug - 03 Sep	Air Canada
28 Aug - 02 Sep	Icelandair
26 Aug - 07 Sep	Delta

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 301€

Return flights