
Popular airlines from San Antonio International Airport (SAT) to Harry Reid Intl. Airport (LAS)
- Spirit Airlines
Spirit Airlines
- American Airlines
American Airlines
- Southwest Airlines
Southwest Airlines
- Delta
Delta
- United
United
- Frontier Airlines
Frontier Airlines
- Alaska Airlines
Alaska Airlines
- Plan, book, fly with confidence
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Cheap Flights from San Antonio to Las Vegas (SAT-LAS)
Prices were available within the past 7 days and start at $43 for one-way flights and $114 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from San Antonio (SAT) to Las Vegas (LAS)
September is typically the cheapest month to fly
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.
Origin airport | San Antonio Intl. |
Destination airport | Harry Reid Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United |
Roundtrip price | $113 |
Distance | 1067 mi |
Average flight time | 1 hour 43 mins |
San Antonio to Las Vegas Flights
The cheapest times to fly from San Antonio 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 Antonio to Las Vegas are during the month of August. You can find some of the cheapest flights from San Antonio to Las Vegas with Expedia's search tool and vast selection of airlines.
The best time to book a flight from San Antonio to Las Vegas
Sunday is one of the best days to book for cheap flights from San Antonio 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 Antonio 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 Antonio to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $43 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 Antonio 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 Antonio 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.
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Top Routes from San Antonio
- San Antonio to Chicago (SAT - ORD)
- San Antonio to Newark Liberty Intl. Airport (SAT - EWR)
- San Antonio to Mexico City (SAT - MEX)
- San Antonio to Phoenix (SAT - PHX)
- San Antonio to Los Angeles (SAT - LAX)
- San Antonio to Miami (SAT - MIA)
- San Antonio to New York (SAT - LGA)
- San Antonio to Boston (SAT - BOS)
- San Antonio to Toluca (SAT - TLC)
- San Antonio to Denver (SAT - DEN)
- San Antonio to New York (SAT - JFK)
- San Antonio to Seattle (SAT - SEA)
Top Routes to Las Vegas
- Chicago to Las Vegas (ORD - LAS)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Chicago to Las Vegas (MDW - LAS)
- Los Angeles to Las Vegas (LAX - LAS)
- Detroit to Las Vegas (DTW - LAS)
- New York to Las Vegas (LGA - LAS)
- Orange County to Las Vegas (SNA - LAS)
- Boston to Las Vegas (BOS - LAS)
- Minneapolis to Las Vegas (MSP - LAS)
- New York to Las Vegas (JFK - LAS)
- Seattle to Las Vegas (SEA - LAS)
- Dallas to Las Vegas (DAL - LAS)
Top Routes from San Antonio
- Aeromexico San Antonio to Mexico City
- American Airlines San Antonio to Phoenix
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- Alaska Airlines San Antonio to Seattle
- Aeromexico San Antonio to Guadalajara
- American Airlines San Antonio to Orlando
Top Routes to Las Vegas
- Alaska Airlines Chicago to Las Vegas
- Spirit Airlines Newark Liberty Intl. Airport to Las Vegas
- Alaska Airlines Los Angeles to Las Vegas
- Spirit Airlines Detroit to Las Vegas
- Spirit Airlines New York to Las Vegas
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