Cheapest return flights from Ontario to Las Vegas in October from 109€

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

Return flights

27 Oct - 29 Oct Frontier Airlines
26 Oct - 28 Oct Frontier Airlines direct
25 Oct - 28 Oct Frontier Airlines direct
26 Oct - 07 Nov Frontier Airlines direct
30 Oct - 03 Nov Frontier Airlines direct
31 Oct - 02 Nov Frontier Airlines direct
29 Oct - 02 Nov Frontier Airlines direct
30 Oct - 02 Nov Frontier Airlines direct
29 Oct - 29 Oct Frontier Airlines direct
31 Oct - 01 Nov Frontier Airlines direct
27 Oct - 03 Nov Frontier Airlines
28 Oct - 29 Oct Frontier Airlines direct
28 Oct - 30 Oct Frontier Airlines direct
26 Oct - 29 Oct Frontier Airlines direct
26 Oct - 02 Nov Frontier Airlines direct
24 Oct - 25 Oct Frontier Airlines direct
26 Oct - 27 Oct Frontier Airlines direct
25 Oct - 26 Oct Frontier Airlines direct
29 Oct - 11 Nov Southwest Airlines direct
29 Oct - 01 Nov Southwest Airlines direct

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

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