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

Return flights

10 Aug - 21 Aug	Lufthansa
13 Aug - 21 Aug	Lufthansa
22 Aug - 02 Sep	Lufthansa
13 Aug - 22 Aug	United
18 Aug - 30 Aug	Lufthansa
25 Aug - 02 Sep	Lufthansa
27 Aug - 08 Sep	Lufthansa
22 Aug - 30 Aug	United
08 Aug - 13 Aug	United
08 Aug - 14 Aug	United
25 Aug - 03 Sep	Air Canada
22 Aug - 31 Aug	United
13 Aug - 18 Aug	United
22 Aug - 01 Sep	United
14 Aug - 21 Aug	Delta
30 Aug - 08 Sep	Lufthansa
27 Aug - 01 Sep	United
28 Aug - 02 Sep	Air Canada
29 Aug - 04 Sep	United
09 Aug - 01 Sep	United

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 283€

Return flights