AirHint found the following cheapest return flights from Las Vegas (LAS) to Dublin (DUB) in August 2025 (see full year).

Return flights

09 Aug - 22 Aug	Delta
13 Aug - 23 Aug	Delta
27 Aug - 03 Sep	United
25 Aug - 01 Sep	United
19 Aug - 26 Aug	Alaska Airlines
23 Aug - 30 Aug	United
17 Aug - 24 Aug	Alaska Airlines
29 Aug - 05 Sep	United
31 Aug - 07 Sep	United
02 Aug - 08 Aug	SWISS
21 Aug - 28 Aug	Aer Lingus
01 Aug - 08 Aug	Air Transat

Also check the deals for one-way flights from Las Vegas 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 Las Vegas to Dublin in August from 419€

Return flights