Cheapest one-way flights from Ontario to Las Vegas in May from 28€

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

One-Way flights

12 May Frontier Airlines direct
19 May Frontier Airlines direct
24 May Frontier Airlines direct
20 May Frontier Airlines direct
04 May Frontier Airlines direct
03 May Frontier Airlines direct
07 May Frontier Airlines direct
26 May Southwest Airlines direct
06 May Southwest Airlines direct
05 May Southwest Airlines direct

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

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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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