$24 Cheap Flights from San Diego (SAN) to Las Vegas (LAS)

View $24 flight on Wed, Aug 6, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from San Diego to Las Vegas (SAN-LAS)

Prices were available within the past 7 days and start at $24 for one-way flights and $49 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Jul 16 - Fri, Jul 18
SAN
San Diego
LAS
Las Vegas
$49 Roundtrip, just found
$49
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Jul 16 from San Diego to Las Vegas, returning Fri, Jul 18, priced at $49 just found
Spirit Airlines
Tue, Jul 29 - Fri, Aug 8
SAN
San Diego
LAS
Las Vegas
$55 Roundtrip, just found
$55
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Jul 29 from San Diego to Las Vegas, returning Fri, Aug 8, priced at $55 just found
Spirit Airlines
Wed, Jul 9 - Sat, Jul 19
SAN
San Diego
LAS
Las Vegas
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Jul 9 from San Diego to Las Vegas, returning Sat, Jul 19, priced at $56 just found
Spirit Airlines
Tue, Jul 29 - Fri, Aug 8
SAN
San Diego
LAS
Las Vegas
$59 Roundtrip, just found
$59
Roundtrip
just found
Select Spirit Airlines flight, departing Tue, Jul 29 from San Diego to Las Vegas, returning Fri, Aug 8, priced at $59 just found
Frontier Airlines
Sat, Jul 19 - Tue, Jul 22
SAN
San Diego
LAS
Las Vegas
$59 Roundtrip, just found
$59
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jul 19 from San Diego to Las Vegas, returning Tue, Jul 22, priced at $59 just found
Spirit Airlines
Thu, Jul 17 - Mon, Jul 21
SAN
San Diego
LAS
Las Vegas
$60 Roundtrip, just found
$60
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Jul 17 from San Diego to Las Vegas, returning Mon, Jul 21, priced at $60 just found
Frontier Airlines
Sat, Jul 12 - Wed, Jul 16
SAN
San Diego
LAS
Las Vegas
$61 Roundtrip, found 2 hours ago
$61
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Jul 12 from San Diego to Las Vegas, returning Wed, Jul 16, priced at $61 found 2 hours ago
Southwest Airlines
Sat, Sep 27 - Tue, Oct 7
SAN
San Diego
LAS
Las Vegas
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Sep 27 from San Diego to Las Vegas, returning Tue, Oct 7, priced at $97 just found
Delta
Sat, Sep 27 - Tue, Oct 7
SAN
San Diego
LAS
Las Vegas
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Delta flight, departing Sat, Sep 27 from San Diego to Las Vegas, returning Tue, Oct 7, priced at $97 just found
United
Sat, Aug 30 - Sun, Aug 31
SAN
San Diego
LAS
Las Vegas
$152 Roundtrip, found 4 hours ago
$152
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Aug 30 from San Diego to Las Vegas, returning Sun, Aug 31, priced at $152 found 4 hours ago

Find the cheapest month to fly from San Diego (SAN) to Las Vegas (LAS)

September is typically the cheapest month to fly

From $39 - $64 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $49
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $49
Flights from San Diego (SAN) to Las Vegas (LAS)
Origin airport
San Diego Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$49
Distance
259 mi
Average flight time
1 hour 22 mins

San Diego to Las Vegas Flights

The cheapest times to fly from San Diego to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Las Vegas are during the month of July. You can find some of the cheapest flights from San Diego to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Las Vegas

Sunday is one of the best days to book for cheap flights from San Diego to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $24 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) cost?
Book cheap return fares starting from $49 from San Diego Intl. Airport (SAN) 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 Spirit Airlines flight leaving SAN on July 17 2025 and touching down at LAS. The price was last updated on July 1 2025 and has not changed since.
What is the cheapest month to fly from SAN to LAS?
Fly nonstop from SAN to LAS in July to take advantage of cheaper fares. You can find a one-way Spirit Airlines flight for $25 leaving on July 17 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 1 2025 and remains unchanged.
Which airlines fly direct from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)?
When flying out of San Diego Intl. Airport (SAN), 5 carriers can take you straight to Harry Reid Intl. Airport (LAS) without a layover, including:

  • Southwest Airlines
  • Spirit Airlines
  • Alaska Airlines
  • Delta Air Lines
  • Frontier Airlines

What is the cheapest airline that flies from SAN to LAS?
Fly from SAN to LAS with Spirit Airlines. This carrier currently has the cheapest one-way ticket for this route, starting at $25. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SAN on July 17 2025. Prices were last updated on July 1 2025 and have not changed since.
How many flights per day from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)?
Each day on average, 20 direct flights take off from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS). Choose the departure time that best suits your plans.
What are the most popular departure times for flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)?
Flights between SAN and LAS are their busiest at 1 PM. If you want a more relaxed atmosphere and potentially cheaper tickets, look for a departure that's outside typical rush times.
What day of the week has the most flights from SAN to LAS?
Jet off on a Friday if you're searching for the largest selection of flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)?
San Diego Intl. Airport (SAN)'s earliest flight to Harry Reid Intl. Airport (LAS) leaves at approximately 6:15AM UTC-8. With a total travel time of 1h 25m, you'll touch down at around 7:40AM UTC-8.
How long does it take to fly from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)?
The average flight time from SAN to LAS is 1 hour and 24 minutes, covering a distance of 260 mi.
What airline has the least delays from SAN to LAS?
With 83% of flights usually landing on time, Delta Air Lines has the best on-time performance for direct flights from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS). To keep track of your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)?
To avoid potential delays on the San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) route, aim to fly before 3 PM. Departures 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 Diego Intl. Airport (SAN)?
Harry Reid Intl. Airport (LAS) is the only airport in Las Vegas with direct flights from San Diego Intl. Airport (SAN). Check out the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your ticket from SAN to LAS right before your getaway is generally more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a SAN to LAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAN to LAS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Harry Reid Intl. Airport (LAS)?
Typically, you can reschedule or cancel your SAN to LAS flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further details, go to our Customer Service portal.

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