Cheap flights from Santa Ana, California to Las Vegas from $45

The month of February is, on average, the cheapest month to fly to Las Vegas from Santa Ana, California, with most prices found around $114. The month of September is another great option to travel to Las Vegas, with average flight prices from Santa Ana, California averaging around $117.

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $144. Flights from Santa Ana, California to Las Vegas on a Thursday will generally be more expensive and average around $187. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is in the afternoon when flights can be purchased for as low as $156. Flights to Las Vegas are more costly in the evening, with an average ticket price of $185. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Santa Ana J. Wayne/Orange Cnty to Las Vegas Harry Reid Intl for the best Santa Ana J. Wayne/Orange Cnty - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Santa Ana, California when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $126 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Santa Ana, California for as low as $95 on momondo.

Delta, United Airlines, and Southwest are the most popular carriers operating from Santa Ana J. Wayne/Orange Cnty to Las Vegas Harry Reid Intl

Spirit Airlines, Frontier and Southwest are the top three most popular airlines that fly to Las Vegas from Santa Ana, California according to our data. Spirit Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 11 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Santa Ana and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

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

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

The number of flights available between Santa Ana, California and Las Vegas is 8 per day as of May 2026. The most frequent departure time is 8:00PM, with 52% of daily flights leaving at noon.

The number of flights available between Santa Ana, California and Las Vegas is 60 per week as of May 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.