Cheap flights from Ontario to Las Vegas from R1 792

The month of February is, on average, the cheapest month to fly to Las Vegas from Ontario, with most prices found around R1 759. The month of January is another great option to travel to Las Vegas, with average flight prices from Ontario averaging around R2 186.

You are more likely to see cheaper flights to Las Vegas from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around R2 923 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ontario for as low as R2 170 on momondo.

Historically, on average around 16% of flights between Ontario and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 104 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Frontier have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

As of October 2026, there are 7 flights per day flying from Ontario to Las Vegas. The most common time of day flights depart is 20:00, with 37% of flights taking off in the afternoon.

As of October 2026, there are 53 flights per week flying from Ontario to Las Vegas. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.