Cheapest one-way flights from Las Vegas to Ontario in August from $125

AirHint found the following cheapest one-way flights from Las Vegas (LAS) to Ontario (ONT) in August 2026 (see full year).

One-Way flights

17 Aug Southwest Airlines direct
17 Aug Southwest Airlines
04 Aug Southwest Airlines direct
04 Aug Southwest Airlines
16 Aug Southwest Airlines direct
16 Aug Southwest Airlines
14 Aug Southwest Airlines direct
14 Aug Southwest Airlines
21 Aug Southwest Airlines direct
21 Aug Southwest Airlines

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

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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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