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

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Flight deals from Las Vegas to San Antonio International Airport

Looking for a cheap last-minute deal or the best return flight from Las Vegas to San Antonio International Airport? If you want to travel next month, return fares start from $73. Find the lowest prices on one-way and return tickets right here.
San Antonio.$73 per passenger.Departing Fri, 6 Feb, returning Mon, 9 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Fri, 6 Feb, arriving in San Antonio International.Inbound direct flight with Frontier Airlines departs from San Antonio International on Mon, 9 Feb, arriving in Harry Reid International.Price includes taxes and charges.From $73, select.
San Antonio.$73 per passenger.Departing Fri, 30 Jan, returning Mon, 2 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Fri, 30 Jan, arriving in San Antonio International.Inbound direct flight with Frontier Airlines departs from San Antonio International on Mon, 2 Feb, arriving in Harry Reid International.Price includes taxes and charges.From $73, select.
San Antonio.$73 per passenger.Departing Thu, 22 Jan, returning Sun, 25 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 22 Jan, arriving in San Antonio International.Inbound direct flight with Frontier Airlines departs from San Antonio International on Sun, 25 Jan, arriving in Harry Reid International.Price includes taxes and charges.From $73, select.
San Antonio.$98 per passenger.Departing Thu, 11 Dec, returning Sun, 14 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Thu, 11 Dec, arriving in San Antonio International.Inbound direct flight with Frontier Airlines departs from San Antonio International on Sun, 14 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $98, select.
San Antonio.$98 per passenger.Departing Fri, 20 Feb, returning Mon, 2 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Fri, 20 Feb, arriving in San Antonio International.Inbound direct flight with Frontier Airlines departs from San Antonio International on Mon, 2 Mar, arriving in Harry Reid International.Price includes taxes and charges.From $98, select.
San Antonio.$162 per passenger.Departing Tue, 16 Dec, returning Tue, 6 Jan.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Harry Reid International on Tue, 16 Dec, arriving in San Antonio International.Inbound direct flight with Spirit Airlines departs from San Antonio International on Tue, 6 Jan, arriving in Harry Reid International.Price includes taxes and charges.From $162, select.
San Antonio.$229 per passenger.Departing Fri, 10 Apr, returning Mon, 13 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Fri, 10 Apr, arriving in San Antonio International.Inbound direct flight with Frontier Airlines departs from San Antonio International on Mon, 13 Apr, arriving in Harry Reid International.Price includes taxes and charges.From $229, select.
San Antonio.$252 per passenger.Departing Fri, 6 Mar, returning Mon, 9 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Fri, 6 Mar, arriving in San Antonio International.Inbound direct flight with Frontier Airlines departs from San Antonio International on Mon, 9 Mar, arriving in Harry Reid International.Price includes taxes and charges.From $252, select.
San Antonio.$421 per passenger.Departing Wed, 18 Mar, returning Tue, 7 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Harry Reid International on Wed, 18 Mar, arriving in San Antonio International.Inbound indirect flight with Spirit Airlines, departs from San Antonio International on Tue, 7 Apr, arriving in Harry Reid International.Price includes taxes and charges.From $421, select.
San Antonio.$713 per passenger.Departing Thu, 11 Jun, returning Mon, 15 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Harry Reid International on Thu, 11 Jun, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Mon, 15 Jun, arriving in Harry Reid International.Price includes taxes and charges.From $713, select.
San Antonio.$713 per passenger.Departing Tue, 4 Aug, returning Tue, 11 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Harry Reid International on Tue, 4 Aug, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Tue, 11 Aug, arriving in Harry Reid International.Price includes taxes and charges.From $713, select.
San Antonio.$714 per passenger.Departing Fri, 1 May, returning Mon, 4 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Harry Reid International on Fri, 1 May, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Mon, 4 May, arriving in Harry Reid International.Price includes taxes and charges.From $714, select.
San Antonio.$714 per passenger.Departing Fri, 29 May, returning Mon, 1 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Harry Reid International on Fri, 29 May, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Mon, 1 Jun, arriving in Harry Reid International.Price includes taxes and charges.From $714, select.
San Antonio.$808 per passenger.Departing Sun, 19 Jul, returning Sat, 25 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Harry Reid International on Sun, 19 Jul, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Sat, 25 Jul, arriving in Harry Reid International.Price includes taxes and charges.From $808, select.
Map with a flight path from Las Vegas to San Antonio International. A plane icon is halfway along the route with a label that says "Direct flight".
Direct flight

Your route at a glance

Cheapest deal$73
Cheapest monthJanuary
Average flight duration2 hours and 36 minutes
Most popular airlineSouthwest Airlines

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 January.
Dec
from $98
Jan
from $73
Feb
from $73
Mar
from $252
Apr
from $229
May
from $714
Jun
from $713
Jul
from $808
Aug
from $713
Sep
Find prices
Oct
Find prices
Nov
Find prices

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.

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 $73. 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 36 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 December 2025, there are 106 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 January.
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 Thursday, 22 January 2026.
Yes – the average flight time is 2 hours and 36 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 Frontier Airlines .

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

  • Start your adventure 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 jet out of this terminal.

  • The average time for a direct Las Vegas to San Antonio International Airport flight is 2 hours 40 minutes.

  • The timezone in San Antonio is UTC-5, which is two hours ahead of Las Vegas. San Antonio International Airport is located in San Antonio.

  • Harry Reid Airport (formerly McCarran Airport) (LAS) to San Antonio International Airport (SAT) is the most popular route. There are 23 direct flights a week to pick from. If you have plans before you fly, take the last flight with Spirit Airlines at 11:59pm. Choose the first LAS to SAT departure operated by Spirit Airlines at 12:30am if getting there sooner works for you.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your flight from Las Vegas to SAT.

  • With more people on the move during peak seasons, it's smart to get to your terminal even earlier. Two hours for domestic flights and up to four for international trips will help you deal with longer queues.

Airports in Las Vegas

Harry Reid Airport (formerly McCarran Airport) (LAS)

  • You can find a direct flight from Las Vegas to San Antonio International Airport (SAT) departing from Harry Reid Airport (formerly McCarran Airport) (LAS).

  • At LAS, you can choose from various airlines that operate direct flights from Las Vegas to San Antonio International Airport, including:

  • Southwest Airlines is the airline most travellers choose for flights from LAS to SAT.

  • Spirit Airlines ranks as the leading on-time carrier on this route, with 94.62% of services arriving as scheduled.

  • Located around 19 kilometres from central Las Vegas, LAS can be reached in about 15 minutes by car, depending on traffic. The journey by public transport will take roughly 1 hour.

  • Searching for a comfortable hotel close to Harry Reid Airport (formerly McCarran Airport)? If you're catching an early flight from Las Vegas to San Antonio International Airport, these accommodation options will put you moments from check-in:

  • 82.07% of flights leaving Harry Reid Airport (formerly McCarran Airport) land at their destination according to schedule. Given its reliable on-time performance, disruptions are unlikely when taking off from LAS.

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

About San Antonio International Airport (SAT)

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

  • San Antonio International Airport to the centre of San Antonio is around 13 kilometres. If you're renting a car or getting a cab, do some research to make your trip as smooth as possible. Journey times can vary based on traffic and the time of day.

  • Travelling by public transport will take you roughly 1 hour 30 minutes.

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

  • At the moment, $37 is the lowest price we've found for a one-way ticket from Las Vegas to San Antonio International Airport. The cheapest price for a return flight is $73. Remember fares may change due to demand at the time of booking.

  • To find cheap flights from Las Vegas to SAT, book ahead. Airlines tend to offer the most competitive fares when flights are first released.

  • If you're flexible with your travel dates, use the 'Whole month' search tool. It'll give you the lowest price across the month when searching for your Las Vegas to San Antonio International Airport ticket.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you when a better deal is available on flight tickets from Las Vegas to SAT.

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

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

  • July is the busiest month for flights from Las Vegas to San Antonio International Airport (SAT). Visit San Antonio in April if you'd rather be there when it's quieter.

  • The warmest month in San Antonio is August, with temperatures ranging between 23ºC (73ºF) and 40ºC (104ºF). Lock in your Las Vegas to SAT flight ticket then if that's your idea of comfortable weather.

  • January has temperatures of between 3ºC (37ºF) and 20ºC (68ºF). Search for cheap tickets from Las Vegas to San Antonio International Airport around that time if you'd rather travel in cooler conditions.

More about San Antonio

  • Start your San Antonio trip off on the right foot by choosing the perfect place to stay. After booking your flight from Las Vegas to San Antonio International Airport, check out our selection of hotels including:

  • You'll find plenty of fantastic things to do in San Antonio when you're ready to sightsee. Head straight for The San Antonio River Walk followed by San Antonio River walk and Alamo Plaza.

Explore more of the United States

  • You've done San Antonio, now it's time to explore other corners of the United States. Travel around 105 kilometres north-east to Austin to check off its leading sights. From Texas State Capitol to Central Park and Austin Museum of Art, Downtown, you'll have a full itinerary ahead.

  • If you want to check out another corner of the United States, consider Corpus Christi, roughly 225 kilometres south-east of San Antonio. Texas State Aquarium, Bayfront Park and Corpus Christi Cathedral are among the biggest draws.

More travel options

Plan the rest of your trip from Las Vegas to San Antonio

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