Cheap flights from San Diego to Las Vegas from C$ 53

If you’re not able to fly to Las Vegas in August, then May is your next best option. Flight prices from San Diego to Las Vegas during May average around C$ 132.

The cheapest day to depart from San Diego to Las Vegas is on a Monday. Travellers who choose to depart for Las Vegas on a Monday will often find tickets for as low as C$ 151. The most expensive day to fly to Las Vegas is Sunday, with ticket prices averaging around C$ 322.

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as C$ 109. Try not to purchase tickets in the morning because they tend to be around C$ 199. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from San Diego to Las Vegas Harry Reid Intl for the best San Diego - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around C$ 164 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from San Diego for as low as C$ 127 on momondo.

There are 2 cabin classes available to choose from on San Diego to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from San Diego to Las Vegas Harry Reid Intl

Spirit Airlines, Frontier and Southwest are the top three most popular airlines that fly to Las Vegas from San Diego according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Las Vegas. Keep in mind that there are 3 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 17% of flights between San Diego and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

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

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

The number of flights available between San Diego and Las Vegas is 19 per day as of March 2026. The most frequent departure time is 7:00a.m., with 42% of daily flights leaving in the afternoon.

As of March 2026, there are 135 flights per week flying from San Diego to Las Vegas. The most common day of the week flights depart is Fri, with 20% of flights taking off on this day.