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

Return flights

18 Aug - 25 Sep	SWISS
09 Aug - 20 Aug	jetBlue
10 Aug - 21 Aug	jetBlue
06 Aug - 20 Aug	jetBlue
05 Aug - 20 Aug	jetBlue
25 Aug - 08 Sep	Aer Lingus	direct
27 Aug - 13 Sep	Air Canada
25 Aug - 02 Sep	SWISS
20 Aug - 02 Sep	SWISS
27 Aug - 02 Sep	Air Canada
25 Aug - 29 Aug	jetBlue	direct
27 Aug - 08 Sep	Air Canada
18 Aug - 06 Sep	Air Canada
25 Aug - 28 Aug	jetBlue	direct
07 Aug - 28 Aug	jetBlue	direct
04 Aug - 14 Aug	jetBlue	direct
24 Aug - 09 Sep	jetBlue	direct
25 Aug - 14 Sep	Aer Lingus	direct
03 Aug - 13 Aug	jetBlue
19 Aug - 26 Aug	jetBlue

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 $355

Return flights