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$49+ Cheap flights from Las Vegas to San Antonio (LAS - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAT
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Find cheap flights from Las Vegas to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Antonio are usually found in September or October, booked 64 days in advance, depart on a Friday or Saturday and return on a Sunday

Cheap flight deals from Las Vegas to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$75
(Kiwi.com)

One-way from

$49
(Frontier)

Popular in

June

Cheapest in

September

Average price

$204

Good round-trip deal

$78 or less

Good one-way deal

$80 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-San Antonio flights.
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From Las Vegas Harry Reid Intl to San Antonio
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One-way flight from Las Vegas Harry Reid Intl to San Antonio
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Highest demand for flights based on searches. 9% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to San Antonio.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to San Antonio.
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Find flight deals from Las Vegas to San Antonio

Cheapest flights from Las Vegas to San Antonio
Explore the most affordable flight options available from Las Vegas to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:10 pm
LAS
-
SAT
Nonstop2h 43m
Frontier
Mon 2/239:39 pm
SAT
-
LAS
Nonstop3h 04m
Frontier
Deal found 1/14$75
This Cheapflightsfares deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:06 pm
LAS
-
SAT
Nonstop2h 39m
Frontier
Mon 2/239:39 pm
SAT
-
LAS
Nonstop3h 04m
Frontier
Deal found 1/14$77
This Cheapflightsfares deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/67:45 am
LAS
-
SAT
Nonstop2h 40m
Frontier
Sun 2/81:15 pm
SAT
-
LAS
Nonstop3h 07m
Frontier
Deal found 1/14$98
This Super.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:10 pm
LAS
-
SAT
Nonstop2h 43m
Frontier
Sun 3/111:35 am
SAT
-
LAS
Nonstop3h 06m
Frontier
Deal found 1/15$112
This Expedia deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:54 pm
LAS
-
SAT
1 stop9h 36m
Multiple Airlines
Mon 2/239:39 pm
SAT
-
LAS
Nonstop3h 04m
Multiple Airlines
Deal found 1/14$122
This Expedia deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/135:10 pm
LAS
-
SAT
Nonstop2h 43m
Multiple Airlines
Wed 2/1810:26 am
SAT
-
LAS
1 stop15h 18m
Multiple Airlines
Deal found 1/13$123
This Expedia deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:54 pm
LAS
-
SAT
1 stop9h 36m
Multiple Airlines
Fri 2/2710:48 pm
SAT
-
LAS
Nonstop3h 05m
Multiple Airlines
Deal found 1/13$125
This Cheapflightsfares deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:06 pm
LAS
-
SAT
Nonstop2h 39m
Frontier
Sun 2/227:07 pm
SAT
-
LAS
1 stop17h 33m
Frontier
Deal found 1/13$128

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Las Vegas to San Antonio that are best for you.

Fly from

Las Vegas

Fly to

San Antonio

Route

Depart

Return

Price

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 2/12

4:06 pm-8:45 pm

Nonstop2h 39m

San Antonio

Sun 2/15

11:35 am-12:41 pm

Nonstop3h 06m

$127

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 2/19

4:06 pm-8:45 pm

Nonstop2h 39m

San Antonio

Sun 2/22

11:35 am-12:41 pm

Nonstop3h 06m

$128

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 2/20

5:10 pm-9:53 pm

Nonstop2h 43m

San Antonio

Mon 2/23

9:20 am-3:40 pm

1 stop8h 20m

$128

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 4/3

6:00 am-10:43 am

Nonstop2h 43m

San Antonio

Sun 4/5

11:38 am-12:41 pm

Nonstop3h 03m

$131

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 2/20

5:10 pm-9:53 pm

Nonstop2h 43m

San Antonio

Sun 2/22

8:14 pm-10:29 pm

2 stops28h 15m

$155

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 2/5

12:22 pm-7:33 pm

1 stop5h 11m

San Antonio

Sun 2/8

10:35 am-11:44 pm

1 stop15h 09m

$204

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 2/20

11:59 pm-7:01 pm

3 stops17h 02m

San Antonio

Mon 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

$232

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 4/10

6:00 am-10:43 am

Nonstop2h 43m

San Antonio

Thu 4/16

10:26 am-11:38 pm

2 stops15h 12m

$250

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 1/23

6:00 am-7:33 pm

1 stop11h 33m

San Antonio

Mon 1/26

8:24 pm-2:46 pm

1 stop20h 22m

$255

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 3/19

12:59 am-9:06 am

1 stop6h 07m

San Antonio

Mon 3/23

6:45 am-11:12 am

1 stop6h 27m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 20 results
1
2

Compare providers for flights from Las Vegas to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Las Vegas to San Antonio in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Las Vegas-San Antonio flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Las Vegas-San Antonio flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Las Vegas-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-San Antonio flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to San Antonio

How far ahead should I book a flight from Las Vegas to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to San Antonio. Price data was last updated on January 9, 2026.

The best time to book flights from Las Vegas to San Antonio is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Las Vegas to San Antonio?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to San Antonio (average of $36). Flying from Las Vegas to San Antonio in April is currently the most expensive (average of $84). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to SAT?

Find hourly flight availability from Las Vegas to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2026.

It’s typically best to fly out from Las Vegas to San Antonio in the afternoon. Doing so could potentially save you 4% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Las Vegas to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to San Antonio. Price data was last updated on January 10, 2026.

Travelers seeking maximum savings on their Las Vegas to San Antonio flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Las Vegas to San Antonio flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to San Antonio trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for added comfort.


Use Spirit's self-service bag drop for faster check-in and avoid counter fees.

Read more about Spirit AirlinesBy Daniel Scheffler
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.


Frontier's Discount Den offers Kids Fly Free, ideal for family travel savings.

Read more about FrontierBy Marisa Garcia
Southwest

Enjoy free snacks and non-alcoholic drinks, plus a complimentary drink on special occasions.


Southwest offers free messaging and high-speed Wi-Fi for a fee on most flights.

Read more about SouthwestBy Marisa Garcia
Airports
LAS

Use the self-service TSA screening at LAS for a quicker security process. Follow video instructions to prepare your items before x-ray scanning.

Read more about LASBy Ramsey Qubein
SAT

For a quick trip downtown from SAT, take Route 5 bus. It takes about 30 minutes and stops at various points along the way.

Read more about SATBy Ramsey Qubein
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on SAT and LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated January 15, 2026.
Read reviews from past customers who have flown Southwest, American Airlines, and Spirit Airlines from Las Vegas to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,132 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,320 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.7
Fair
3,057 reviews
Southwest
8.0
Very good
4,258 reviews

Entertainment

7.5

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Las Vegas to San Antonio?

    San Antonio is the airport most travelers will use when flying to San Antonio from Las Vegas Harry Reid Intl. Booking flights from Harry Reid Intl (LAS) to San Antonio (SAT) should be relatively easy as there are 3 daily flights to San Antonio from 4 different airlines. 2h 30m is how long a flight from Las Vegas to San Antonio will take if you book a nonstop flight.

  • How popular is this Las Vegas to San Antonio flight route?

    This flight path from Las Vegas Harry Reid Intl to San Antonio was viewed by 45 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Las Vegas to San Antonio?

    For as low as $127, Frontier can have you in San Antonio from Las Vegas in 2h 39m. The distance between Las Vegas and San Antonio is about 1067 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Las Vegas to San Antonio round-trip?

    Flying on Frontier is currently your cheapest option to San Antonio, with prices starting at $68. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $85 and $186, respectively. These flights start at 62% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Las Vegas to San Antonio one-way?

    The cheapest airlines for a one-way flight from Las Vegas to San Antonio are Frontier ($40), Spirit Airlines ($43), and Delta ($68).

  • What are the most reliable airlines from Las Vegas to San Antonio?

    Before booking your flight to San Antonio from Las Vegas, check out the most reliable airlines to get you to your destination on time: Volaris (100%), Frontier (96%), Spirit Airlines( 86%).

  • What are the cheapest flights from Las Vegas to San Antonio?

    Looking for the cheapest flight from Las Vegas to San Antonio? While on average our users pay $278, our data indicates the cheapest price to be $29. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $122.

  • Can I find deals for flights from Las Vegas to San Antonio that include hotel bookings?

    Yes. In addition to deals on Las Vegas to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to San Antonio.

  • Can I find deals for business class flights from Las Vegas to San Antonio?

    Yes. Cheapflights offers flight deals from Las Vegas to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to San Antonio?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to San Antonio (average of $36). Flying from Las Vegas to San Antonio in April is currently the most expensive (average of $84). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Top 4 airlines flying from Las Vegas to San Antonio

Discover the top 4 airlines that operate flights from Las Vegas to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$144FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$85Average$167FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$186Average$458FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$187Average$364FlexibilityNo cancel feeOn-time63%

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