$34 Cheap Flights from San Francisco (SFO) to Las Vegas (LAS)

View $34 flight on Wed, May 28, 2025Opens in a new window
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Cheap Flights from San Francisco to Las Vegas (SFO-LAS)

Prices were available within the past 7 days and start at $34 for one-way flights and $68 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 28 - Fri, May 30
SFO
San Francisco
LAS
Las Vegas
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 28 from San Francisco to Las Vegas, returning Fri, May 30, priced at $68 just found
Frontier Airlines
Sun, Jun 15 - Wed, Jun 25
SFO
San Francisco
LAS
Las Vegas
$71 Roundtrip, found 3 hours ago
$71
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Jun 15 from San Francisco to Las Vegas, returning Wed, Jun 25, priced at $71 found 3 hours ago
Frontier Airlines
Sat, Jul 19 - Wed, Jul 23
SFO
San Francisco
LAS
Las Vegas
$74 Roundtrip, found 3 hours ago
$74
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Jul 19 from San Francisco to Las Vegas, returning Wed, Jul 23, priced at $74 found 3 hours ago
Frontier Airlines
Sun, May 25 - Tue, Jun 3
SFO
San Francisco
LAS
Las Vegas
$78 Roundtrip, just found
$78
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 25 from San Francisco to Las Vegas, returning Tue, Jun 3, priced at $78 just found
Frontier Airlines
Wed, Jun 11 - Wed, Jul 2
SFO
San Francisco
LAS
Las Vegas
$79 Roundtrip, found 4 days ago
$79
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Jun 11 from San Francisco to Las Vegas, returning Wed, Jul 2, priced at $79 found 4 days ago
Frontier Airlines
Sat, Jul 26 - Tue, Jul 29
SFO
San Francisco
LAS
Las Vegas
$81 Roundtrip, found 2 hours ago
$81
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Jul 26 from San Francisco to Las Vegas, returning Tue, Jul 29, priced at $81 found 2 hours ago
Southwest Airlines
Tue, May 20 - Thu, May 22
SFO
San Francisco
LAS
Las Vegas
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, May 20 from San Francisco to Las Vegas, returning Thu, May 22, priced at $88 just found
United
Tue, Jun 3 - Thu, Jun 5
SFO
San Francisco
LAS
Las Vegas
$89 Roundtrip, just found
$89
Roundtrip
just found
Select United flight, departing Tue, Jun 3 from San Francisco to Las Vegas, returning Thu, Jun 5, priced at $89 just found
Hawaiian Airlines
Tue, Aug 12 - Sat, Aug 16
SFO
San Francisco
LAS
Las Vegas
$130 Roundtrip, found 1 day ago
$130
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Aug 12 from San Francisco to Las Vegas, returning Sat, Aug 16, priced at $130 found 1 day ago
Delta
Wed, Jul 30 - Fri, Aug 8
SFO
San Francisco
LAS
Las Vegas
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Wed, Jul 30 from San Francisco to Las Vegas, returning Fri, Aug 8, priced at $157 just found

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS) cost?
Snag cheap return fares starting at $68 from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving SFO on May 20 2025 and touching down at LAS. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SFO to LAS?
The cheapest flights from SFO to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS)?
Avoid the detours and fly nonstop from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS) with 4 carriers, including:

  • United Airlines
  • Southwest Airlines
  • Alaska Airlines

What is the cheapest airline that flies from SFO to LAS?
At the moment, the cheapest airline offering one-way flights from SFO to LAS is Frontier Airlines. You can take off on this route from $34. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on June 15 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS)?
When departing from San Francisco Intl. Airport (SFO), you can take your pick from an average of 16 daily direct flights to Harry Reid Intl. Airport (LAS).
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS)?
The 10 AM departures from SFO to LAS are the busiest. They can also be more expensive. If you’re looking to save, book during off-peak hours.
What day of the week has the most flights from SFO to LAS?
Friday offers the most flights from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS). Consider taking off on this day and you’ll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS)?
San Francisco Intl. Airport (SFO)’s earliest flight to Harry Reid Intl. Airport (LAS) departs at approximately 5:35AM UTC-8. With a total travel time of 1h 35m, you’ll land at around 7:10AM UTC-8.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS)?
It usually takes 1 hour and 40 minutes to cover the 410 mi from SFO to LAS.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Las Vegas from San Francisco Intl. Airport (SFO)?
Harry Reid Intl. Airport (LAS) is the only airport in Las Vegas with direct flights from San Francisco Intl. Airport (SFO). Explore your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your plane ticket from SFO to LAS shortly before your getaway is generally more expensive. However, if you’re flexible with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SFO to LAS flight and hotel package?
Opting for a SFO to LAS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Harry Reid Intl. Airport (LAS)?
Usually, it’s possible to cancel or reschedule your SFO to LAS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.
*Available to One Key members.