AirHint found the following cheapest return flights from Las Vegas (LAS) to Dublin (DUB) in January 2026 (see full year).

Return flights

20 Jan - 27 Jan	Hawaiian Airlines
26 Jan - 21 Feb	United
06 Jan - 13 Jan	Aer Lingus	direct
20 Jan - 27 Jan	Aer Lingus	direct
15 Jan - 22 Jan	Aer Lingus	direct
10 Jan - 15 Jan	Frontier Airlines
28 Jan - 04 Feb	Aer Lingus
10 Jan - 15 Jan	Aer Lingus	direct
23 Jan - 30 Jan	Aer Lingus
12 Jan - 19 Jan	Aer Lingus
18 Jan - 25 Jan	Aer Lingus
09 Jan - 16 Jan	Aer Lingus

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

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 January from 467€

Return flights