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

View $49 flight on Sat, Oct 18, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $49 for one-way flights and $106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 9 - Sun, Oct 12
LAS
Las Vegas
SFO
San Francisco
$106 Roundtrip, just found
$106
Roundtrip
just found
Select United flight, departing Thu, Oct 9 from Las Vegas to San Francisco, returning Sun, Oct 12, priced at $106 just found
United
Thu, Oct 9 - Sun, Oct 12
LAS
Las Vegas
SFO
San Francisco
$106 Roundtrip, just found
$106
Roundtrip
just found
Select United flight, departing Thu, Oct 9 from Las Vegas to San Francisco, returning Sun, Oct 12, priced at $106 just found
United
Mon, Oct 6 - Wed, Oct 22
LAS
Las Vegas
SFO
San Francisco
$109 Roundtrip, found 5 hours ago
$109
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Oct 6 from Las Vegas to San Francisco, returning Wed, Oct 22, priced at $109 found 5 hours ago
United
Thu, Aug 14 - Mon, Aug 18
LAS
Las Vegas
SFO
San Francisco
$111 Roundtrip, found 1 hour ago
$111
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 14 from Las Vegas to San Francisco, returning Mon, Aug 18, priced at $111 found 1 hour ago
United
Sat, Oct 18 - Mon, Oct 20
LAS
Las Vegas
SFO
San Francisco
$113 Roundtrip, just found
$113
Roundtrip
just found
Select United flight, departing Sat, Oct 18 from Las Vegas to San Francisco, returning Mon, Oct 20, priced at $113 just found
United
Wed, Aug 13 - Sun, Aug 17
LAS
Las Vegas
SFO
San Francisco
$115 Roundtrip, found 1 hour ago
$115
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 13 from Las Vegas to San Francisco, returning Sun, Aug 17, priced at $115 found 1 hour ago
Flights from Las Vegas (LAS) to San Francisco (SFO)
Origin airport
Harry Reid Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
413 mi
Average flight time
1 hour 37 mins

Frequently asked questions

How much is a United Airlines flight from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
Grab cheap return United Airlines flights from $106 from LAS to SFO by filtering your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $49 for a one-way trip.**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.
What is the cheapest month to fly from LAS to SFO with United Airlines?
United Airlines flights to San Francisco are generally cheaper in the low-season months of February and April. Whether you're in search of a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO) with United Airlines?
Begin your search one to three months ahead of your departure date to score cheaper fares on United Airlines flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO). 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.* Time it well, and you can enjoy significant savings on domestic journeys.*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.
Does United Airlines fly nonstop from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
Choose from one of United Airlines's 45 direct weekly flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO). To see your options, enter your dates, origin and destination and hit search. Then select the "Nonstop" and "Airline" filters.
How long does it take to fly from LAS to SFO with United Airlines?
Leave Harry Reid Intl. Airport (LAS) for San Francisco Intl. Airport (SFO) on a direct United Airlines flight, and you'll be in the air for about 1h 44m.
Which day of the week has the most United Airlines flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
If you're looking for flexibility, Wednesday offers the most choice for United Airlines flights from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO). You can select from 7 different departures.
What is the earliest United Airlines flight from LAS to SFO?
Leaving LAS at 6:00AM UTC-8, the first United Airlines flight to SFO arrives at 7:44AM UTC-8. Traveling earlier in the day means you'll be less likely to encounter delays.* After something later? The last United Airlines flight from LAS to SFO departs at 7:55PM UTC-8 and touches down at 9:40PM UTC-8.*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.
What airports does United Airlines fly into in San Francisco?
San Francisco Intl. Airport (SFO) is the main San Francisco hub for United Airlines flights from Harry Reid Intl. Airport (LAS). Norman Y. Mineta San Jose Intl. Airport (SJC) and Oakland Intl. Airport (OAK) are alternative possibilities. When organizing your getaway with Expedia, choose the "All Airports" option for your destination to see exactly what's available.
Why fly with United Airlines from LAS to SFO?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to leave from LAS to SFO with United Airlines. Plus, by joining Expedia's free One Key™ program, you can receive OneKeyCash™* alongside United Airlines's loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
For the Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO) route, United Airlines typically flies Boeing 737-900 and Boeing 737 MAX 9 planes. Don't forget that last-minute changes can occur for operational reasons, meaning your flight could be on another aircraft.
Can I change or cancel my United Airlines flight from Harry Reid Intl. Airport (LAS) to San Francisco Intl. Airport (SFO)?
Changes are usually free within 24 hours of making your booking, but your airline may charge a fee after that. For further information about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without additional charges, apply the "Changes included" and "No cancel fee" filters when planning your next getaway.

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