Cheap flights from San Francisco to Las Vegas from $61

The month of September is, on average, the cheapest month to fly to Las Vegas from San Francisco, with most prices found around $160. The month of August is another great option to travel to Las Vegas, with average flight prices from San Francisco averaging around $176.

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $188. Flights from San Francisco to Las Vegas on a Friday will generally be more expensive and average around $261. 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 evening when flights can be purchased for as low as $215. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $244. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Las Vegas from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $208 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 Francisco for as low as $160 on momondo.

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

Frontier, Southwest and Alaska Airlines are the top three most popular airlines that fly to Las Vegas from San Francisco according to our data. Frontier is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 12 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 16% of flights between San Francisco and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 123 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

The number of flights available between San Francisco and Las Vegas is 41 per day as of May 2026. The most frequent departure time is 8:00AM, with 42% of daily flights leaving in the afternoon.

As of May 2026, 290 flights take off from San Francisco and land in Las Vegas each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.