Cheap Flights from Las Vegas (LASA) to San Antonio (SAT)

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Flight deals from Las Vegas to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Las Vegas to San Antonio International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Las Vegas to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Las Vegas to San Antonio International flights are currently cheapest in July.

Direct flights from Las Vegas to San Antonio International

Las Vegas to San Antonio International: Alternative routes

Compare routes from Las Vegas to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Las Vegas to San Antonio: Flight information

The things to know before you go.
Cheapest flight found$154
Cheapest month to flySeptember
Average flight time2 hrs, 39 mins
Most popular airlineSouthwest Airlines
Average flights per week64

Finding cheap flights from Las Vegas to San Antonio International: Frequently asked questions

The best price we found for a return flight from Las Vegas to San Antonio International is $154. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 39 minutes is the average flight time from Las Vegas to San Antonio International.
Southwest Airlines, Spirit Airlines and Frontier Airlines fly direct from Las Vegas to San Antonio International.
As of June 2025, there are 64 flights per week flying from Las Vegas to San Antonio International.
The cheapest month to fly from Las Vegas to San Antonio International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Las Vegas to San Antonio International Airport on Tuesday, 16 September 2025.
Yes – the average flight time is 2 hours and 39 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to San Antonio International is Spirit Airlines .

Flying from Las Vegas to San Antonio International Airport (SAT): what you need to know

  • Get your travels underway at Harry Reid Airport (formerly McCarran Airport) (LAS), the main airport in Las Vegas. Look for flights from Las Vegas to San Antonio International Airport (SAT) that take off from this terminal.

  • The average time for a direct flight from Las Vegas to San Antonio International Airport is 2 hours 42 minutes.

  • San Antonio is 2 hours ahead of Las Vegas. San Antonio International Airport is located in San Antonio, which operates on the UTC-5 timezone.

  • The most popular route is from Harry Reid Airport (formerly McCarran Airport) (LAS) to San Antonio International Airport (SAT), with 33 direct services every week. If you want to head off as soon as possible, the earliest flight from LAS to SAT is the 00:30 Spirit Airlines service. If you prefer to travel later, the final departure is at 21:25 with Southwest Airlines.

  • Get to the airport on time so you don't miss your flight from Las Vegas to SAT. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • With more people on the move during busy periods like October, get to the terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you deal with longer queues. Remember things also get busy during major holidays like Christmas and local events or festivals.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

  • Take off and land with no stops from Harry Reid Airport (formerly McCarran Airport) Airport (LAS). Nonstop flights from Las Vegas to San Antonio International Airport (SAT) are available from here.

  • At LAS, there's a range of carriers that operate direct flights from Las Vegas to San Antonio International Airport, including:

  • LAS is about 19 kilometres from central Las Vegas. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 1 hour.

  • After a relaxed start to your holiday? Stay near Harry Reid Airport (formerly McCarran Airport) Airport. Whether you're catching an early flight from Las Vegas to San Antonio International Airport or want to avoid feeling rushed, these hotels have you covered:

About San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • San Antonio International Airport to central San Antonio is about 21 minutes in a car. It's approximately 19 kilometres away. Find out what options are available, such as car rentals, cabs or ride-sharing.

  • It'll take around 1 hour and 32 minutes to get there by public transport.

How to find the cheapest flights from Las Vegas to San Antonio International Airport (SAT)

  • $77 is the lowest price we've found for a one-way ticket from Las Vegas to San Antonio International Airport. Return flights start from $154. Prices may vary depending on availability at the time of booking.

  • Book 8 months before your departure date. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure flight tickets from Las Vegas to SAT.

  • May is the cheapest month for tickets from Las Vegas to San Antonio International Airport. If you'd like to travel during a different time of year, use the 'Whole month' search feature to see the lowest prices for every month.

  • Create a Price Alert for flight tickets from Las Vegas to SAT. There's no need to check back in every day to see if fares have dropped. We'll tell you the moment the price changes.

  • Play around with the filters to find your ideal journey. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Las Vegas to San Antonio International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

The best time to fly from Las Vegas to San Antonio International Airport (SAT)

  • It's time to plan your travel dates for your flight from Las Vegas to San Antonio International Airport. July is the busiest month for a trip to San Antonio. If you want a more relaxed vibe, go in April.

  • Before you book a flight from Las Vegas to SAT, think about the kind of weather you enjoy. August is the warmest month in San Antonio, with temperatures ranging from 23ºC to 40ºC.

  • Look for cheap flights from Las Vegas to San Antonio International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 20ºC on average.

More about San Antonio

Complete your San Antonio trip with a car rental

  • We use the same magic that helped you find your cheap flight from Las Vegas to San Antonio International Airport to track down your ideal ride. Check out our car rentals in San Antonio and easily compare your options. Plus you'll find all the info you need to know, from the most popular rental company to the average daily price.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.