AirHint found the following cheapest return flights from Las Vegas (LAS) to Dublin (DUB) in September 2026 (see full year).
Return flights
| 06 Sep - 14 Sep | Delta | ||
| 10 Sep - 17 Sep | Aer Lingus | ||
| 25 Sep - 02 Oct | Aer Lingus | ||
| 17 Sep - 20 Oct | Delta | ||
| 15 Sep - 22 Sep | Alaska Airlines | ||
| 05 Sep - 12 Sep | Aer Lingus |
Also check the deals for one-way flights from Las Vegas to Dublin in September.
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