Cheapest return flights from Las Vegas to Ontario in July from $90

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

AirHint found the following cheapest return flights from Las Vegas (LAS) to Ontario (ONT) in July 2025 (see full year).

Return flights

01 Jul - 15 Jul Frontier Airlines direct
22 Jul - 24 Jul Frontier Airlines direct
08 Jul - 10 Jul Frontier Airlines direct
16 Jul - 19 Jul Frontier Airlines direct
16 Jul - 31 Jul Frontier Airlines direct
03 Jul - 06 Jul Frontier Airlines direct
14 Jul - 29 Jul Southwest Airlines
12 Jul - 14 Jul Southwest Airlines
22 Jul - 29 Jul Southwest Airlines
08 Jul - 13 Jul Southwest Airlines

Also check the deals for one-way flights from Las Vegas to Ontario in July.

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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