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

Return flights

30 Oct - 04 Nov	Frontier Airlines
02 Oct - 05 Oct	Hawaiian Airlines
27 Oct - 31 Oct	Frontier Airlines
17 Oct - 19 Oct	Flair Airlines
16 Oct - 20 Oct	Spirit Airlines
27 Oct - 22 Nov	United
25 Oct - 30 Oct	WestJet
29 Oct - 05 Nov	United
26 Oct - 29 Oct	Spirit Airlines
26 Oct - 02 Nov	United
25 Oct - 28 Oct	WestJet
30 Oct - 04 Nov	Aer Lingus	direct
28 Oct - 01 Nov	Frontier Airlines
26 Oct - 30 Oct	Spirit Airlines
23 Oct - 30 Oct	United
15 Oct - 22 Oct	United
28 Oct - 01 Nov	Aer Lingus	direct

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

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 October from 492€

Return flights