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

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

One-Way flights

07 Jul Southwest Airlines
29 Jul Southwest Airlines direct
29 Jul Southwest Airlines
07 Jul Southwest Airlines direct
09 Jul Southwest Airlines direct
13 Jul Southwest Airlines direct
11 Jul Southwest Airlines direct
11 Jul Southwest Airlines

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

Powered by

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.

Book a cheap hotel in Las Vegas

Cheap car rent in Las Vegas

Feel free to contact us with any feedback or request another flight research.