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

Return flights

13 Dec - 16 Dec	Aer Lingus	direct
04 Dec - 11 Dec	Aer Lingus	direct
11 Dec - 14 Dec	United
14 Dec - 21 Dec	United
18 Dec - 23 Dec	Aer Lingus	direct
25 Dec - 31 Dec	Aer Lingus
29 Dec - 05 Jan	United
19 Dec - 26 Dec	United

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

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

Cheapest return flights from Las Vegas to Dublin in December from 521€

Return flights