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

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

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

One-Way flights

10 Apr Frontier Airlines direct
15 Apr Frontier Airlines direct
22 Apr Frontier Airlines direct
18 Apr Frontier Airlines direct
28 Apr Frontier Airlines direct
08 Apr Frontier Airlines direct
29 Apr Frontier Airlines direct
04 Apr Frontier Airlines direct
24 Apr Frontier Airlines direct
30 Apr Frontier Airlines direct

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

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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