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Flights from Las Vegas to San Antonio from $123 - Compare and Save

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAT
Jun 1 — Jun 81
Sun 6/1
Sun 6/8
1 adult, Economy
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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 50 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

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 May 27, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$123
(CheapOair)

One-way from

$63
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$159

Good round-trip deal

$110 or less

Good one-way deal

$79 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. 12% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 May 27, 2025.

This CheapOair deal was found by Cheapflights users on 5/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/145:45 amLAS - SAT
1 stop7h 17mMultiple Airlines
Sat 6/212:55 pmSAT - LAS
Nonstop2h 53mMultiple Airlines
Deal found 5/25$123
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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.
Sat 9/278:21 amLAS - SAT
Nonstop2h 47mFrontier
Sun 10/51:53 pmSAT - LAS
Nonstop3h 00mFrontier
Deal found 5/26$134
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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.
Sat 6/145:45 amLAS - SAT
1 stop7h 17mSpirit Airlines
Sat 6/216:11 amSAT - LAS
1 stop15h 57mSpirit Airlines
Deal found 5/25$140
This American Airlines deal was found by Cheapflights users on 5/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:59 amLAS - SAT
1 stop6h 13mAmerican Airlines
Mon 6/309:05 amSAT - LAS
1 stop5h 10mAmerican Airlines
Deal found 5/26$207
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/3012:50 amLAS - SAT
1 stop9h 05mDelta
Sun 7/66:03 pmSAT - LAS
1 stop6h 51mDelta
Deal found 5/27$227
This United Airlines deal was found by Cheapflights users on 5/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:59 amLAS - SAT
1 stop5h 58mUnited Airlines
Sat 8/3011:45 amSAT - LAS
1 stop5h 53mUnited Airlines
Deal found 5/26$237
This Sun Country Air deal was found by Cheapflights users on 5/27. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/286:24 pmLAS - SAT
1 stop13h 23mSun Country Air
Fri 7/46:35 pmSAT - LAS
1 stop21h 52mSun Country Air
Deal found 5/27$265

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 May 27, 2025.
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

Sat 6/14

5:45 am-3:02 pm

1 stop7h 17m

San Antonio

Sat 6/21

2:55 pm-3:48 pm

Nonstop2h 53m

$123

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 6/14

5:45 am-3:02 pm

1 stop7h 17m

San Antonio

Sat 6/21

6:11 am-8:08 pm

1 stop15h 57m

$140

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 6/26

8:15 am-1:03 pm

Nonstop2h 48m

San Antonio

Sat 6/28

2:55 pm-3:48 pm

Nonstop2h 53m

$147

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 6/26

12:59 am-9:12 am

1 stop6h 13m

San Antonio

Mon 6/30

9:05 am-12:15 pm

1 stop5h 10m

$207

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Mon 6/30

12:50 am-11:55 am

1 stop9h 05m

San Antonio

Sat 7/5

5:25 am-10:53 am

1 stop7h 28m

$227

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 6/28

6:24 pm-9:47 am

1 stop13h 23m

San Antonio

Mon 6/30

6:35 pm-9:39 am

1 stop17h 04m

$265

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 6/27

3:05 pm-7:50 pm

Nonstop2h 45m

San Antonio

Sun 6/29

9:10 pm-10:00 pm

Nonstop2h 50m

$327

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sun 8/10

12:59 am-8:50 am

1 stop5h 51m

San Antonio

Mon 8/18

1:43 pm-5:01 pm

1 stop5h 18m

$347

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 7/12

9:28 am-2:21 pm

Nonstop2h 53m

$63

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 7/24

6:59 pm-1:06 pm

1 stop16h 07m

$66

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 16 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-San Antonio flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

The best insider tips for Las Vegas to San Antonio flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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
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

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

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 May 23, 2025.

The best time to book flights from Las Vegas to San Antonio is 50 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, August is the cheapest month in which you can book a flight from Las Vegas to San Antonio (average of $295). Flying from Las Vegas to San Antonio in March is currently the most expensive (average of $376). 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 May 27, 2025.

It’s typically best to fly out from Las Vegas to San Antonio in the afternoon. Doing so could potentially save you 20% 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 May 25, 2025.

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. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Las Vegas to San Antonio

Explore weekly flight availability from Las Vegas to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 27, 2025.

The most flights from LAS to SAT are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 May 27, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Las Vegas to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,955 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,753 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Sun Country Air
6.9
Okay
347 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 4 daily flights to San Antonio from 5 different airlines. 2h 37m 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 46 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Flying on Spirit Airlines is currently your cheapest option to San Antonio, with prices starting at $140. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $147 and $207, respectively. These flights start at 14% 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 ($63), Spirit Airlines ($66), and Southwest ($94).

  • 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: Spirit Airlines (86%), Frontier (76%), Southwest( 69%).

  • 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 $161, our data indicates the cheapest price to be $52. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $153.

  • 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, August is the cheapest month in which you can book a flight from Las Vegas to San Antonio (average of $295). Flying from Las Vegas to San Antonio in March is currently the most expensive (average of $376). 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

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Alternative routes for Las Vegas to San Antonio

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Top 5 airlines flying from Las Vegas to San Antonio

Discover the top 5 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 May 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$132FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$73Average$155FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$77Average$149FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$189Average$442FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$275Average$397FlexibilityNo cancel feeOn-time63%

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