Cheapest one-way flights from Las Vegas to Ontario in October from $115

Best time to book flights for Las Vegas (LAS) to Ontario (ONT) flights at AirHint

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

One-Way flights

31 Oct Southwest Airlines direct
31 Oct Southwest Airlines
28 Oct Southwest Airlines direct
28 Oct Southwest Airlines
06 Oct Southwest Airlines direct
06 Oct Southwest Airlines
02 Oct Southwest Airlines direct
02 Oct Southwest Airlines
17 Oct Southwest Airlines direct
17 Oct Southwest Airlines

Also check the deals for return flights from Las Vegas to Ontario 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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