Cheap Flights from San Antonio International to Las Vegas

Compare San Antonio International to Las Vegas flight deals

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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 Airport to Las Vegas? If you want to travel next month, return fares start from R 3,419. 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 August.

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 foundR 867
Cheapest month to flyAugust
Average flight time2 hrs, 51 mins
Most popular airlineSouthwest Airlines
Average flights per week38

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

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from San Antonio International to Las Vegas is R 2,422. 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 51 minutes is the average flight time from San Antonio International to Las Vegas.
Southwest Airlines, Frontier Airlines and Volaris fly direct from San Antonio International to Las Vegas.
As of June 2026, there are 38 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 August.
If you're flying from San Antonio International Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from R 2,422.
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 Sunday, 30 August 2026.
Yes – the average flight time is 2 hours and 51 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, Frontier Airlines offers the cheapest flight tickets to Las Vegas.

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

  • Expect to be travelling for 2 hours 35 minutes. That's the average duration of a direct flight from San Antonio International Airport to Las Vegas.

  • San Antonio International Airport is located in San Antonio. Following the UTC-8 timezone, Las Vegas is two hours behind San Antonio.

  • San Antonio International Airport (SAT) to Las Vegas Harry Reid International Airport (LAS) is the most popular route, with 24 departures a week to pick from. If you have things to finalize before heading off, the last flight from SAT to LAS is with Spirit Airlines at 22:51. Go for the first departure with Spirit Airlines at 05:39 if you want to get on your way earlier.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you can comfortably board your SAT to Las Vegas flight.

  • During popular months such as July, it's wise to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during high season in general.

  • Start your journey at SAT and travel nonstop to Las Vegas Harry Reid International Airport (LAS). That's where you can expect to land when searching for San Antonio International Airport to Las Vegas tickets.

  • You can choose from various carriers offering direct flights from San Antonio International Airport to Las Vegas, including:

  • SAT is around 13 kilometres from central San Antonio. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're using public transport, expect the journey time to be around 50 minutes.

  • Looking for a hotel close to SAT? If you're catching an early flight from San Antonio International Airport to Las Vegas, these stays will put you moments from your departure gate:

  • San Antonio International Airport scores top marks for on-time performance. 82% of flights that depart SAT arrive at their destination as scheduled.

  • The address for SAT is 9800 Airport Boulevard.

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

  • R 867 is the cheapest price we've seen for a one-way San Antonio International Airport to Las Vegas flight. A round-trip plane ticket right now is R 2,422. Depending on how early you book and the availability, these fares may change.

  • To pick up cheap flights from SAT to Las Vegas, book ahead. Airlines typically offer their most competitively priced fares when tickets are first released.

  • Scoring cheap tickets from San Antonio International Airport to Las Vegas is more likely if you're flexible with your dates. Try using the 'Whole month' function to get the best prices throughout the month and walk away with an incredible deal.

  • Snapping up a cheap flight from SAT to Las Vegas is a breeze with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch as soon as a deal gets even better.

  • Tailor your trip with filters. Select your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from San Antonio International Airport to Las Vegas.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • Las Vegas Harry Reid International Airport (LAS) is around 8 kilometres from central Las Vegas. If you're catching a taxi or a ride-share, the drive takes about 10 minutes.

  • When travelling on public transport, expect a journey time of around 25 minutes.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from San Antonio International Airport to Las Vegas. Check in to one of these accommodation options near LAS instead:

  • For the best deal, book your vehicle from Las Vegas Harry Reid International Airport around one week in advance of your flight from SAT to Las Vegas.

  • You'll find LAS at 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • March is the busiest month for flights from San Antonio International Airport to Las Vegas. To escape the crowds, plan your trip to Las Vegas in December.

  • Before locking in your San Antonio International Airport to Las Vegas plane ticket, think about what kind of weather works for you. July is the warmest month in Las Vegas, with temperatures ranging from 23ºC (73ºF) to 43ºC (109ºF).

  • If you want cooler conditions, search for a cheap ticket from SAT to Las Vegas in January when temperatures average between 0ºC (32ºF) and 16ºC (61ºF).

More about Las Vegas

  • Once you've booked your flight from San Antonio International Airport to Las Vegas, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Las Vegas:

  • Las Vegas Strip and Ciudad del Pecado o Las Vegas are just a couple of the big attractions to put on your Las Vegas to-do list. Keep the sightseeing going at Fountains of Bellagio.

Explore more of the United States

  • You've seen Las Vegas, now it's time to discover more of the United States. Journey around 370 kilometres southwest to Los Angeles to check off its top attractions. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, there's plenty to keep you on the go.

  • Phoenix is another essential stop in the United States and is around 418 kilometres southeast of Las Vegas. No trip is complete without dropping by Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.