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

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

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

One-Way flights

06 Oct Southwest Airlines direct
06 Oct Southwest Airlines
29 Oct Southwest Airlines direct
29 Oct Southwest Airlines
08 Oct Southwest Airlines direct
08 Oct Southwest Airlines
24 Oct Southwest Airlines direct
24 Oct Southwest Airlines
16 Oct Southwest Airlines direct
16 Oct Southwest Airlines

Also check the deals for return 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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