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

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Flight deals from San Antonio International to Las Vegas

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

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

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

Direct flights from San Antonio International to Las Vegas

Alternative San Antonio International to Las Vegas routes

Looking for the cheapest, fastest or easiest route from San Antonio International to Las Vegas? You could fly into the following airports instead.

San Antonio to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$154
Cheapest month to flySeptember
Average flight time2 hrs, 53 mins
Most popular airlineSouthwest Airlines
Average flights per week46

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

There are 4 airports in Las Vegas: Las Vegas North Air Terminal, Las Vegas Harry Reid International, Las Vegas Henderson Sky Harbor, and Boulder City.
The best price we found for a return flight from San Antonio International to Las Vegas 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 53 minutes is the average flight time from San Antonio International to Las Vegas.
Southwest Airlines, Spirit Airlines and Frontier Airlines fly direct from San Antonio International to Las Vegas.
As of June 2025, there are 46 flights per week flying from San Antonio International to Las Vegas.
The cheapest month to fly from San Antonio International to Las Vegas is usually June 2025.
If you're flying from San Antonio International Airport, the cheapest airport near Las Vegas is Las Vegas Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from $154.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Las Vegas on Wednesday, 10 September 2025.
Yes – the average flight time is 2 hours and 53 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 Las Vegas 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 Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 26°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Spirit Airlines offers the cheapest flight tickets to Las Vegas.

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

  • Hop on a direct flight from San Antonio International Airport to Las Vegas and you'll be in the air for around 2 hours 40 minutes.

  • San Antonio International Airport is located in San Antonio. Based in the UTC-7 timezone, Las Vegas is two hours behind San Antonio.

  • With 24 weekly flights between the two airports, San Antonio International Airport (SAT) to Harry Reid Airport (formerly McCarran Airport) (LAS) is the most popular route. Spirit Airlines operates the earliest flight at 05:39. If you're eager to make the most of your day before flying, the latest flight from SAT to LAS is with Spirit Airlines at 22:51.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to board your SAT to Las Vegas flight.

  • Longer lines at security and check-in are likely if you're travelling during high season, so give yourself a little extra breathing room. A good general rule for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • You can book a direct San Antonio International Airport to Las Vegas ticket. Begin your journey at SAT and touch down at Harry Reid Airport (formerly McCarran Airport) (LAS).

  • You'll find a good selection of airlines offering direct flights from San Antonio International Airport to Las Vegas, including:

  • SAT is around 13 kilometres from central San Antonio. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the journey time to be around 1 hour 30 minutes.

  • In search of a hotel close to SAT? If you've booked an early flight from San Antonio International Airport to Las Vegas, these stays will put you moments from check-in:

  • San Antonio International Airport maintains a solid on-time record, so you're less likely to experience disruptions. Departures from SAT make it to their destination as scheduled 83.17% of the time.

  • You'll find SAT at 9800 Airport Boulevard.

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

  • The lowest price we've seen for a one-way San Antonio International Airport to Las Vegas flight is $77. The cheapest price for a return flight is $154. Bear in mind fares may change due to availability at the time of booking.

  • To snag cheap flights from SAT to Las Vegas, reserve your trip one month before your departure date.

  • The best month for scoring cheap San Antonio International Airport to Las Vegas tickets is May. Use the 'Whole month' tool to compare flight prices, then choose the dates that offer the biggest savings.

  • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll let you know when there's an updated deal for cheap flights from SAT to Las Vegas.

  • Snag an affordable flight from San Antonio International Airport to Las Vegas with the help of our filters. Choose your ideal departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • Harry Reid Airport (formerly McCarran Airport) (LAS) is around 19 kilometres from central Las Vegas. If you're catching a cab or a ride-share, the drive takes about 15 minutes.

  • Travelling on public transport takes around 1 hour.

  • Look into staying at a hotel near LAS if you have a late flight from San Antonio International Airport to Las Vegas. Choose one of these options and skip the long transfer:

  • Travel at your own speed with a Harry Reid Airport (formerly McCarran Airport) rental car. Pick up a set of wheels from Dollar, Thrifty or Alamo and find adventure across Las Vegas and beyond.

  • Reserving your vehicle from Harry Reid Airport (formerly McCarran Airport) about one week in advance of your flight from SAT to Las Vegas can help you get the lowest rate.

  • The street address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • Before booking your flights from San Antonio International Airport to Las Vegas, consider which time of year is best for you. High season in Las Vegas offers a lively atmosphere and plenty of activities, while low season means you'll get cheaper hotel rates and fewer crowds.

  • Lock in a San Antonio International Airport to Las Vegas flight ticket with a departure in July to explore the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 42ºC (108ºF).

  • If you want cooler conditions, search for a cheap ticket from SAT to Las Vegas in January when temperatures average between -1ºC (30ºF) and 13ºC (55ºF).

More about Las Vegas

  • After booking your flight from San Antonio International Airport to Las Vegas, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Las Vegas:

  • There are so many things to see and do in this city it can be hard to figure out where to start. Fountains of Bellagio, Las Vegas Strip and Fremont Street Experience are leading attractions which should be on any well-planned Las Vegas itinerary.

Explore more of United States

  • You've done Las Vegas, now it's time to explore other corners of United States. Journey about 370 kilometres south-west to Los Angeles to check off its top attractions. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you'll have a full itinerary ahead.

  • Phoenix is another favourite destination in United States and is around 418 kilometres south-east of Las Vegas. No trip is complete without seeing Desert Botanical Garden, Heard Museum and Papago Park.

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