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	Scandinavian Airlines
20 Jan - 27 Jan	Aer Lingus	direct
26 Jan - 21 Feb	Frontier Airlines
13 Jan - 20 Jan	Aer Lingus	direct
22 Jan - 29 Jan	Aer Lingus	direct
28 Jan - 04 Feb	Aer Lingus
10 Jan - 17 Jan	Aer Lingus	direct
19 Jan - 26 Jan	Aer Lingus
16 Jan - 23 Jan	Aer Lingus
25 Jan - 01 Feb	Aer Lingus
02 Jan - 09 Jan	Aer Lingus
04 Jan - 11 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 $522

Return flights