Cheapest one-way flights from Las Vegas to Ontario in October from $216
AirHint found the following cheapest one-way flights from Las Vegas (LAS) to Ontario (ONT) in October 2025 (see full year).
One-Way flights
| 01 Oct | Alaska Airlines | ||
| 08 Oct | Alaska Airlines | ||
| 30 Oct | Alaska Airlines | ||
| 19 Oct | Alaska Airlines |
Also check the deals for return flights from Las Vegas to Ontario 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.
