Cheapest one-way flights from Las Vegas to Ontario in June from $30

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 June 2025 (see full year).

One-Way flights

12 Jun Frontier Airlines direct
10 Jun Frontier Airlines direct
02 Jun Frontier Airlines direct
03 Jun Frontier Airlines direct
30 Jun Frontier Airlines direct
19 Jun Frontier Airlines direct
23 Jun Frontier Airlines direct
05 Jun Frontier Airlines direct
04 Jun Frontier Airlines direct
06 Jun Frontier Airlines direct

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

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.

Book a cheap hotel in Ontario

Cheap car rent in Ontario