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

Return flights

09 Dec - 16 Dec	Alaska Airlines
12 Dec - 14 Dec	jetBlue
09 Dec - 16 Dec	Aer Lingus	direct
11 Dec - 13 Dec	Spirit Airlines
06 Dec - 13 Dec	Aer Lingus	direct
30 Dec - 06 Jan	Aer Lingus	direct
10 Dec - 17 Dec	Alaska Airlines
16 Dec - 23 Dec	Aer Lingus	direct
08 Dec - 15 Dec	Aer Lingus
12 Dec - 19 Dec	Alaska Airlines
11 Dec - 13 Dec	Aer Lingus	direct
26 Dec - 02 Jan	Aer Lingus
28 Dec - 04 Jan	Aer Lingus

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 593€

Return flights