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

Return flights

05 Aug - 26 Aug	United
21 Aug - 29 Aug	United
07 Aug - 29 Aug	United
24 Aug - 29 Aug	United
14 Aug - 24 Aug	United
10 Aug - 05 Sep	United
14 Aug - 21 Aug	American Airlines
14 Aug - 23 Aug	American Airlines
03 Aug - 07 Aug	Lufthansa
10 Aug - 17 Aug	Lufthansa
21 Aug - 06 Sep	United
27 Aug - 02 Sep	Air Canada
23 Aug - 06 Sep	Air Transat
22 Aug - 01 Sep	Air Transat
26 Aug - 09 Sep	Air Transat

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 $428

Return flights