Make your way deep into the heart of Texas aboard Southwest Airlines® with flights from Las Vegas to San Antonio. Southwest® offers daily flights from Harry Reid International Airport to San Antonio International Airport, so it’s easy to see for yourself why San Antonio is one of the most visited cities in all of Texas. If you have flexible travel days for your upcoming trip, use our Low Fare Calendar to discover our lowest fares on departures and returns, organized to show the lowest fare for each day of the month. And get a jump on the rest of your planning on the Southwest Vacations® page. Bundle your flight with deals on rental cars, hotels, and much more.
Check out Las Vegas to San Antonio flights and book yours now!
Las Vegas, NV to San Antonio, TX
departing on 1/6
one-way starting at*$139
*Restrictions and exclusions apply. Seats and dates are limited. Select markets. 40 travel days available.
|Departing from||Harry Reid International Airport (LAS)|
|Arriving at||San Antonio International Airport (SAT)|
|Average flight time||2 hours 32 minutes|
|4‡||Nonstop flights per day Monday through Friday|
|4‡||Nonstop flights on Saturday|
|4‡||Nonstop flights on Sunday|
†Weekly flights based on DOT published scheduled average flights Monday through Sunday between 12/1/2023 and 12/31/2023. Note: route may not operate every day of the week.
‡Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 12/1/2023 and 12/31/2023.
The best way to build a vacation plan when you visit San Antonio is to let the river be your guide. The San Antonio River begins just four miles north of downtown, not far from San Antonio International Airport. It flows south into another feeder river that reaches the Gulf of Mexico.
Long before it reaches the coast, however, it weaves and winds its way through San Antonio, passing by local businesses, restaurants, and historical sites. Locals call this portion The River Walk or Paseo del Río. No matter what you call it, the River Walk is the perfect way to experience all that San Antonio has to offer.
If you’re not sure where to start, ease into everything with a guided boat tour. You’ll be able to get the lay of the land and learn a little history while you’re at it. Most companies offer options to fit your plans, including dining tours, hop-on-and-off options that let you set your own pace, and simple water taxis that shuttle from place to place.
You can’t visit San Antonio without a trip to the Alamo. Originally known as the Misión San Antonio de Valero, the historic Spanish-mission-turned-fort is located just a few blocks from the river. It operates today as a museum commemorating the Battle of the Alamo and the Texas Revolution. It is the most famous of five 18th-century missions that make up the San Antonio Missions National Historical Park. Just keep heading downstream from the Alamo to experience missions Concepción, San Jose, San Juan, and Espada, which each have their own stories to tell.
One child over 14 days and under two (2) years of age, not occupying a seat, may be carried free of charge when traveling with an adult (12 years of age or older). Learn more.
Customers flying with a pet are subject to a pet fare. To learn more about traveling with your furry friend, explore the Southwest® pet policy.
Minors under the age of 18 are not permitted to fly unaccompanied on international flights or any itinerary that includes an international flight. Learn more.
When you deplane at San Antonio International Airport you'll be just eight miles north of downtown San Antonio.
At Southwest, we know it takes more than great deals on San Antonio airfares and convenient scheduling options to make your trip memorable. So from booking to boarding, we offer services and features designed to make your travel from Las Vegas to San Antonio the best it can be. Learn more about the Southwest® travel experience before you book your flight from Harry Reid International Airport to San Antonio International Airport.
Flying with Southwest is simple and fun, no matter which of our dozens of exciting destinations you choose. When you search for your next flight to San Antonio, know that you won’t be surprised at checkout. Low fares and no hidden fees. That's Transfarency®. And as always, two bags fly free®1. Want the latest news, information, and promotional offers from Southwest? Sign up to receive email from us. Book your flight today and know that you'll earn Rapid Rewards® points when you fly.
1First and second checked bags. Weight and size limits apply.
2Fare difference may apply.
3Failure to cancel a reservation at least 10 minutes prior to departure may result in forfeited Travel Funds.
4Flight credits unexpired on or created on or after July 28, 2022, do not expire and will show an expiration date until our systems are updated. See full details here.
5Where available. Available only on WiFi-enabled aircraft. Limited-time offer.
6Due to licensing restrictions, on WiFi-enabled international flights, free live TV and iHeartRadio may not be available for the full duration of flight.
7Internet access for $8 per device from takeoff to landing. Price is subject to change. May not be available for the full duration of flight. In order to provide a top-notch Internet experience, we prohibit access to certain high-bandwidth applications and websites. We also prohibit access to certain obscene or offensive content.