Cheap flights from San Francisco to Las Vegas from $109

The cheapest month to fly to Las Vegas from San Francisco is in September. Flight prices, which tend to average around $224, are often lower during this time because this is during the off-season. If you aren’t able to travel to Las Vegas during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $248.

On average, the least expensive day to fly to Las Vegas from San Francisco is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $149. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Las Vegas is Thursday, with ticket prices averaging around $321.

In the morning is the cheapest time of day to fly from San Francisco to Las Vegas when you can find flight prices for as low as $238. Flying to Las Vegas in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of $279.

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 $292 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 San Francisco for as low as $225 on momondo.

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 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 have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of May 2026, 41 flights take off from San Francisco and land in Las Vegas each day. The most common flight departure time for this route is 08:00, with 42% of daily flights taking off in the afternoon.

287 flights are operational weekly from San Francisco to Las Vegas as of May 2026. The most popular departure day for this route is Mon, with 23% of flights per week taking off on this day.