$29 Cheap Flights from Las Vegas (LAS) to San Antonio (SAT)

View $29 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to San Antonio International Airport (SAT)

Cheap Flights from Las Vegas to San Antonio (LAS-SAT)

Prices were available within the past 7 days and start at $29 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Jan 23 - Mon, Jan 26
LAS
Las Vegas
SAT
San Antonio
$54 Roundtrip, found 1 hour ago
$54
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Jan 23 from Las Vegas to San Antonio, returning Mon, Jan 26, priced at $54 found 1 hour ago
Frontier Airlines
Thu, Feb 5 - Mon, Feb 9
LAS
Las Vegas
SAT
San Antonio
$64 Roundtrip, found 2 hours ago
$64
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Feb 5 from Las Vegas to San Antonio, returning Mon, Feb 9, priced at $64 found 2 hours ago
Frontier Airlines
Sat, Dec 20 - Sun, Jan 4
LAS
Las Vegas
SAT
San Antonio
$80 Roundtrip, found 21 hours ago
$80
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Sat, Dec 20 from Las Vegas to San Antonio, returning Sun, Jan 4, priced at $80 found 21 hours ago
Frontier Airlines
Thu, Nov 13 - Sat, Nov 15
LAS
Las Vegas
SAT
San Antonio
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 13 from Las Vegas to San Antonio, returning Sat, Nov 15, priced at $82 just found
Frontier Airlines
Sat, Nov 15 - Wed, Nov 19
LAS
Las Vegas
SAT
San Antonio
$86 Roundtrip, found 2 hours ago
$86
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Nov 15 from Las Vegas to San Antonio, returning Wed, Nov 19, priced at $86 found 2 hours ago
Spirit Airlines
Fri, Nov 14 - Wed, Nov 19
LAS
Las Vegas
SAT
San Antonio
$87 Roundtrip, just found
$87
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Nov 14 from Las Vegas to San Antonio, returning Wed, Nov 19, priced at $87 just found
Frontier Airlines
Fri, Nov 21 - Thu, Nov 27
LAS
Las Vegas
SAT
San Antonio
$88 Roundtrip, found 22 hours ago
$88
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Fri, Nov 21 from Las Vegas to San Antonio, returning Thu, Nov 27, priced at $88 found 22 hours ago
Southwest Airlines
Wed, Jan 14 - Mon, Jan 19
LAS
Las Vegas
SAT
San Antonio
$113 Roundtrip, just found
$113
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Jan 14 from Las Vegas to San Antonio, returning Mon, Jan 19, priced at $113 just found
Delta
Tue, Jan 13 - Wed, Jan 14
LAS
Las Vegas
SAT
San Antonio
$191 Roundtrip, found 9 hours ago
$191
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jan 13 from Las Vegas to San Antonio, returning Wed, Jan 14, priced at $191 found 9 hours ago
Alaska Airlines
Fri, Jan 23 - Tue, Jan 27
LAS
Las Vegas
SAT
San Antonio
$345 Roundtrip, found 2 hours ago
$345
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Jan 23 from Las Vegas to San Antonio, returning Tue, Jan 27, priced at $345 found 2 hours ago

Find the cheapest month to fly from Las Vegas (LAS) to San Antonio (SAT)

February is typically the cheapest month to fly

From $57 - $207 per traveler.

Alternative airports near San Antonio

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

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $146
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $146

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT) cost?
Grab a cheap one-way flight from $29 or cheap return flight from $54 from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between LAS and SAT. You'll typically find the lowest fares during the off-season.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
You can choose from 3 carriers that fly direct from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT). Including:

  • Southwest Airlines
  • Spirit Airlines
  • Frontier Airlines

What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
The cheapest airline to offer flights between Harry Reid Intl. Airport (LAS) and San Antonio Intl. Airport (SAT) will vary based on when you plan to fly. Frontier Airlines and Spirit Airlines are just some good options offering competitive fares. Use Expedia's filter tool to compare airlines in one place and find the right LAS to SAT flight for your budget.
How many flights per day from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
Every day, an average of 5 direct flights take off from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT). Select the departure time that best fits your schedule.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
Flights between LAS and SAT are busiest at 8 AM. If you want a more relaxed atmosphere and potentially cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from LAS to SAT?
If you travel on a Sunday, you'll get the widest range of choices for flights from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
Harry Reid Intl. Airport (LAS)'s earliest flight to San Antonio Intl. Airport (SAT) takes off at approximately 6:35AM UTC-8. With a total journey time of 2h 30m, you'll arrive at around 11:05AM UTC-6.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
It takes roughly 2 hours and 36 minutes to travel the 1,050 mi from LAS to SAT.
What airline has the least delays from LAS to SAT?
With 80% of journeys generally landing on time, Southwest Airlines has the best on-time performance for nonstop flights from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT). To monitor your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
To avoid possible delays on the Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT) route, fly before 3 PM. Departures after this hour 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 San Antonio from Harry Reid Intl. Airport (LAS)?
San Antonio Intl. Airport (SAT) is the only airport in San Antonio with direct flights from Harry Reid Intl. Airport (LAS). Explore the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from LAS to SAT are usually more expensive. For the lowest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a LAS to SAT flight and hotel package?
Compared with arranging hotels and flights separately, booking a LAS to SAT flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT)?
In most instances, you can cancel or modify your LAS to SAT flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$54
Distance
1067 mi
Average flight time
4 hours 31 mins

Book with confidence

Las Vegas to San Antonio Flights

The cheapest times to fly from Las Vegas to San Antonio

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 Las Vegas to San Antonio are during the month of January. You can find some of the cheapest flights from Las Vegas to San Antonio with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Las Vegas to San Antonio: 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 Las Vegas to San Antonio

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 Las Vegas to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $29 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 Las Vegas to San Antonio 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 Las Vegas to San Antonio 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.

 

Las Vegas to San Antonio Flights

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*Available to One Key members.