Cheap flights from San Francisco to Las Vegas from C$ 103

If you’re not able to fly to Las Vegas in September, then August is your next best option. Flight prices from San Francisco to Las Vegas during August average around C$ 247.

The cheapest day to depart from San Francisco to Las Vegas is on a Tuesday. Travellers who choose to depart for Las Vegas on a Tuesday will often find tickets for as low as C$ 87. The most expensive day to fly to Las Vegas is Thursday, with ticket prices averaging around C$ 526.

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as C$ 162. Try not to purchase tickets at noon because they tend to be around C$ 387. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 302 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 C$ 223 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Frontier, Southwest and Hawaiian 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 72% 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 Francisco and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

Generally, flights departing at night 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines has had the least 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 45 per day as of June 2026. The most frequent departure time is 5:00p.m., with 42% of daily flights leaving in the afternoon.

As of June 2026, 315 flights take off from San Francisco and land in Las Vegas each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.