Cheapest return flights from Ontario to Las Vegas in October from 48€

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

Return flights

11 Oct - 25 Oct Frontier Airlines direct
16 Oct - 20 Oct Frontier Airlines direct
21 Oct - 22 Oct Southwest Airlines direct
13 Oct - 15 Oct Southwest Airlines direct
22 Oct - 29 Oct Southwest Airlines direct
09 Oct - 15 Oct Southwest Airlines direct
06 Oct - 09 Oct Southwest Airlines direct
11 Oct - 15 Oct Southwest Airlines direct
09 Oct - 13 Oct Southwest Airlines direct
09 Oct - 16 Oct Southwest Airlines direct
15 Oct - 05 Nov Southwest Airlines direct
28 Oct - 06 Nov Southwest Airlines direct
30 Oct - 03 Nov Southwest Airlines direct
28 Oct - 01 Nov Southwest Airlines direct
09 Oct - 03 Nov Southwest Airlines direct
29 Oct - 01 Nov Southwest Airlines direct
28 Oct - 04 Nov Southwest Airlines direct
31 Oct - 02 Nov Southwest Airlines direct

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

Skyscanner

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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