Cheapest return flights from Ontario to Las Vegas in June from $48

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

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

Return flights

07 Jun - 11 Jun Frontier Airlines direct
05 Jun - 11 Jun Frontier Airlines direct
10 Jun - 17 Jun Frontier Airlines direct
07 Jun - 09 Jun Frontier Airlines direct
04 Jun - 09 Jun Frontier Airlines direct
11 Jun - 17 Jun Frontier Airlines direct
04 Jun - 11 Jun Frontier Airlines direct
15 Jun - 17 Jun Frontier Airlines direct
04 Jun - 10 Jun Frontier Airlines direct
03 Jun - 06 Jun Frontier Airlines direct
29 Jun - 01 Jul Frontier Airlines direct
28 Jun - 02 Jul Frontier Airlines direct
25 Jun - 04 Jul Frontier Airlines direct
25 Jun - 02 Jul Frontier Airlines direct
30 Jun - 08 Jul Frontier Airlines direct
28 Jun - 28 Jul Frontier Airlines direct
28 Jun - 01 Jul Southwest Airlines

Also check the deals for one-way 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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