Cheapest one-way flights from Ontario to Las Vegas in June from $16

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

AirHint found the following cheapest one-way flights from Ontario (ONT) to Las Vegas (LAS) in June 2025 (see full year).

One-Way flights

18 Jun Frontier Airlines direct
17 Jun Frontier Airlines direct
04 Jun Frontier Airlines direct
07 Jun Frontier Airlines direct
10 Jun Frontier Airlines direct
11 Jun Frontier Airlines direct
14 Jun Frontier Airlines direct
12 Jun Frontier Airlines direct
05 Jun Frontier Airlines direct
08 Jun Frontier Airlines direct

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

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