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

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

One-Way flights

30 Jun Southwest Airlines direct
30 Jun Southwest Airlines
09 Jun Southwest Airlines direct
09 Jun Southwest Airlines
03 Jun Southwest Airlines direct
03 Jun Southwest Airlines
24 Jun Southwest Airlines direct
24 Jun Southwest Airlines
01 Jun Southwest Airlines direct
01 Jun Southwest Airlines

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

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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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