Las Vegas hosts major events that strongly impact SFO→LAS flight demand. Key events at Harry Reid International Airport (LAS) and nearby venues include CES (January), Formula 1 Las Vegas Grand Prix (November), Life is Beautiful Festival (September), Electric Daisy Carnival (May), National Finals Rodeo (December), and major boxing/UFC events scattered year-round. These conventions and festivals drive up fares and ground transport demand; book flights from San Francisco International Airport (SFO) early and reserve airport transfers and hotels as soon as event dates are announced.
The best time to fly from San Francisco International Airport (SFO) to Harry Reid International Airport (LAS) for lowest fares is typically January–February and late September–November (shoulder seasons). For best weather and moderate crowds, consider September–October when daytime temperatures in Las Vegas are milder. Avoid major trade shows and holidays (e.g., CES in January, Memorial Day, Fourth of July, and Thanksgiving week) if you want lower prices and shorter waits at both San Francisco International Airport (SFO) and Harry Reid International Airport (LAS).
Nonstop flights between San Francisco International Airport (SFO) and Harry Reid International Airport (LAS) are the most time-efficient — typical flight time is under 1 hour 45 minutes and nonstops reduce the risk of missed connections. Connecting flights may occasionally be cheaper, particularly on smaller carriers or for multi-segment itineraries, but they increase travel time and baggage transfer risk. For most travelers on this short domestic route, prioritize nonstop options for convenience and reliability; use connecting itineraries only if savings are substantial and your connection windows are generous.
Major carriers operating SFO→LAS service include Southwest Airlines, Alaska Airlines, United Airlines, Delta Air Lines and American Airlines. Southwest often offers competitive fares and free checked bags, making it a top choice for budget-minded travelers. Alaska Airlines typically scores highest for on-time performance and customer service on West Coast routes. United (a San Francisco International Airport (SFO) hub) and Delta provide extensive schedule options and frequent flyer benefits, while American can be competitive on price during sales. Compare total trip cost (fares + baggage + seat fees) and loyalty perks to pick the best airline for your needs.
Pack for seasonal conditions when flying SFO→LAS: winter (Dec–Feb) layers for San Francisco chill and occasional rain at San Francisco International Airport (SFO); summer (June–Aug) light clothing, sun protection and hydration for arrivals at Harry Reid International Airport (LAS). For shoulder seasons, bring versatile clothing and plan flexible bookings for potential weather-driven delays. Always check baggage rules for your carrier, enroll in TSA PreCheck if you travel frequently from San Francisco International Airport (SFO), and reserve airport transfers in advance during peak festival months to avoid surge pricing.
Typical nonstop flight time from San Francisco International Airport (SFO) to Harry Reid International Airport (LAS) ranges from about 1 hour 20 minutes to 1 hour 40 minutes depending on routing and winds. Multiple daily nonstop flights operate year-round, with early-morning and late-night frequencies increased during summer and major events. Major airlines schedule dozens of weekly nonstops — expect first flights as early as 6:00 AM and last departures after 9:00 PM local time. For precise schedules and aircraft types, check airline timetables; plan at least 60–90 minutes for airport procedures when booking short domestic flights.
Find cheap flights on the SFO→LAS route by monitoring weekday departures, booking 3–8 weeks in advance for domestic leisure travel, and using price alerts on aggregators like Google Flights or Kayak. Low-cost and major carriers often issue flash sales — subscribe to newsletters and consider nonrefundable basic fares if your plans are firm. For the best cheap flights from San Francisco International Airport (SFO) to Harry Reid International Airport (LAS), target midweek travel outside major conventions and holidays.