AirHint found the following cheapest return flights from New York (NYC) to Dublin (DUB) in August 2026 (see full year).

Return flights

19 Aug - 26 Aug	Lufthansa
02 Aug - 22 Aug	United
18 Aug - 25 Aug	United
03 Aug - 17 Aug	Lufthansa
15 Aug - 22 Aug	Air Canada
02 Aug - 19 Aug	Air Canada
05 Aug - 10 Aug	Lufthansa
04 Aug - 18 Aug	Lufthansa
22 Aug - 02 Sep	Air Canada
20 Aug - 25 Aug	Delta
13 Aug - 20 Aug	Delta
28 Aug - 13 Sep	Air Canada
27 Aug - 06 Sep	Aer Lingus	direct
22 Aug - 02 Sep	Aer Lingus	direct
26 Aug - 02 Sep	Aer Lingus	direct
28 Aug - 13 Sep	Aer Lingus	direct
31 Aug - 07 Sep	Aer Lingus	direct
29 Aug - 01 Sep	Aer Lingus	direct
30 Aug - 02 Sep	Aer Lingus	direct
31 Aug - 03 Sep	Aer Lingus	direct

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 $334

Return flights