Cheapest one-way flights from Las Vegas to Ontario in August from $35

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 August 2025 (see full year).

One-Way flights

12 Aug Frontier Airlines direct
18 Aug Frontier Airlines direct
11 Aug Frontier Airlines direct
05 Aug Frontier Airlines direct
02 Aug Frontier Airlines direct
17 Aug Frontier Airlines direct
27 Aug Southwest Airlines direct
27 Aug Southwest Airlines
26 Aug Southwest Airlines direct
26 Aug Southwest Airlines

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

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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