$49 Cheap United flights San Francisco (SFO) to Las Vegas (LAS)

You can find cheap return United Airlines flights from $92 from SFO to LAS by filtering your results from “Price (lowest to highest)” on Expedia. Or look for options from $49 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for one-way or round-trip flights to Las Vegas in January or June. You could find an affordable fare with United Airlines during these quieter months.

Start searching one to three months before your departure to score cheap fares on United Airlines flights from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

United Airlines has direct flights from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS), with 45 departures every week. Simply apply the “Nonstop” and “Airline” filters while searching on Expedia to show all direct United Airlines flights to LAS.

It takes approximately 1h 43m to fly nonstop from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS) with United Airlines.

United Airlines has the most flights from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS) on Friday. With up to 7 daily departures, you’ll get the most flexibility and choice on this day.

The first flight from SFO to LAS with United Airlines departs at 7:20AM UTC-8. You’ll land at 9:03AM UTC-8. The final United Airlines flight of the day leaves at 11:00PM UTC-8 and arrives at 12:43AM UTC-8. With around 20% fewer cancellations for early and mid-morning departures, beginning your travel day early is often the best choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

United Airlines flights from San Francisco Intl. Airport (SFO) to Las Vegas arrive at Harry Reid Intl. Airport (LAS). This is the main gateway to this city.

Travel from SFO to LAS with United Airlines and you’ll enjoy a range of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you can also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely be onboard a Boeing 737-900 or a Boeing 737-800 when flying United Airlines from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS). However, keep in mind that a different plane may be assigned depending on operational demands.

Depending on your fare type, a fee may apply if you cancel or reschedule your booking more than 24 hours after it’s been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when looking for flights. To learn more about canceling or modifying your reservation, go to “Trips,” select your flight and tick “Manage Booking.”