Cheapest return flights from Las Vegas to Ontario in June from $75

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 June 2025 (see full year).

Return flights

16 Jun - 17 Jun Frontier Airlines direct
03 Jun - 10 Jun Frontier Airlines direct
02 Jun - 05 Jun Frontier Airlines direct
03 Jun - 07 Jun Frontier Airlines direct
12 Jun - 15 Jun Frontier Airlines direct
02 Jun - 04 Jun Frontier Airlines direct
02 Jun - 02 Jun Frontier Airlines direct
10 Jun - 13 Jun Frontier Airlines direct
05 Jun - 19 Jun Frontier Airlines direct
06 Jun - 11 Jun Frontier Airlines direct

Also check the deals for one-way 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.

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