Cheapest return flights from Las Vegas to Dublin in September from $620

Best time to book flights for Las Vegas (LAS) to Dublin (DUB) flights at AirHint

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

Return flights

07 Sep - 21 Sep Scandinavian Airlines
03 Sep - 10 Sep Spirit Airlines
03 Sep - 14 Sep American Airlines
14 Sep - 28 Sep American Airlines
10 Sep - 17 Sep United
05 Sep - 12 Sep United
15 Sep - 22 Sep Aer Lingus
20 Sep - 27 Sep Alaska Airlines
25 Sep - 02 Oct Alaska Airlines

Also check the deals for one-way flights from Las Vegas to Dublin in September.

Skyscanner

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin