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$145+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAT
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
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 February or September, booked 67 days in advance, depart on a Friday or Thursday and return on a Monday

Cheap 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 July 17, 2026.

This Frontier deal was found by Cheapflights users on 7/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:15 am
LAS
-
SAT
1 stop9h 16m
Frontier
Tue 8/2510:24 pm
SAT
-
LAS
Nonstop2h 49m
Frontier
Deal found 7/16$206
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Sat 8/83:43 pm
LAS
-
SAT
Nonstop2h 54m
Frontier
Mon 8/107:49 pm
SAT
-
LAS
1 stop23h 40m
Frontier
Deal found 7/14$211
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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 8/612:27 pm
LAS
-
SAT
1 stop18h 29m
Frontier
Sat 8/89:32 pm
SAT
-
LAS
Nonstop2h 47m
Frontier
Deal found 7/13$212
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:43 pm
LAS
-
SAT
Nonstop2h 54m
Frontier
Fri 8/77:49 pm
SAT
-
LAS
1 stop5h 38m
Frontier
Deal found 7/13$213
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:49 pm
LAS
-
SAT
Nonstop2h 50m
Frontier
Sun 9/137:49 pm
SAT
-
LAS
1 stop5h 42m
Frontier
Deal found 7/13$214
This Frontier deal was found by Cheapflights users on 7/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
LAS
-
SAT
1 stop10h 44m
Frontier
Tue 8/49:32 pm
SAT
-
LAS
Nonstop2h 47m
Frontier
Deal found 7/13$215
This Super.com deal was found by Cheapflights users on 7/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:36 pm
LAS
-
SAT
Nonstop2h 53m
Frontier
Sun 8/308:26 pm
SAT
-
LAS
1 stop5h 21m
Frontier
Deal found 7/14$216
This CheapOair deal was found by Cheapflights users on 7/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:57 am
LAS
-
SAT
1 stop16h 34m
Frontier
Tue 9/810:24 pm
SAT
-
LAS
Nonstop2h 49m
Frontier
Deal found 7/15$223
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 8/117:00 am
LAS
-
SAT
2 stops9h 54m
Frontier
Tue 8/1810:24 pm
SAT
-
LAS
Nonstop2h 49m
Frontier
Deal found 7/12$227
This Cheapflightsfares deal was found by Cheapflights users on 7/13. 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.
Fri 7/316:00 am
LAS
-
SAT
1 stop10h 44m
Frontier
Tue 8/49:32 pm
SAT
-
LAS
Nonstop2h 47m
Frontier
Deal found 7/13$231

Find 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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$206
(Frontier)

One-way from

$145
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$280

Good round-trip deal

$264 or less

Good one-way deal

$237 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-San Antonio flights.
Search Deals
From Las Vegas Harry Reid Intl to San Antonio
Search Deals
One-way flight from Las Vegas Harry Reid Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to San Antonio.
Search Deals
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to San Antonio.
Search Deals

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 July 17, 2026.
Use the filters below to find and compare flights from Las Vegas to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 8/6

3:43 pm-8:37 pm

Nonstop2h 54m

San Antonio

Sat 8/8

7:49 pm-11:27 pm

1 stop5h 38m

$206

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Tue 8/11

11:57 am-12:28 am

1 stop10h 31m

San Antonio

Thu 8/13

4:49 pm-10:48 pm

1 stop7h 59m

$253

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 8/26

2:05 pm-8:30 pm

1 stop4h 25m

San Antonio

Sat 8/29

8:35 am-1:30 pm

2 stops6h 55m

$254

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 8/27

11:25 am-7:00 pm

2 stops5h 35m

San Antonio

Mon 8/31

11:05 am-1:30 pm

1 stop4h 25m

$268

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 8/8

8:00 am-4:25 pm

2 stops6h 25m

San Antonio

Mon 8/10

5:40 pm-8:55 pm

1 stop5h 15m

$268

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Mon 7/27

6:00 am-6:44 pm

1 stop10h 44m

San Antonio

Mon 8/3

9:32 pm-10:19 pm

Nonstop2h 47m

$318

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 8/6

6:00 am-3:39 pm

1 stop7h 39m

San Antonio

Sat 8/8

2:15 pm-8:08 pm

2 stops7h 53m

$386

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 10/2

11:15 am-7:20 pm

2 stops6h 05m

San Antonio

Wed 10/7

7:40 pm-10:00 pm

1 stop4h 20m

$386

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 10/9

1:45 pm-9:15 pm

1 stop5h 30m

San Antonio

Mon 10/12

6:35 am-10:35 am

2 stops6h 00m

$386

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 8/5

10:45 am-8:54 pm

2 stops8h 09m

San Antonio

Sat 8/8

5:30 am-8:35 am

1 stop5h 05m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-San Antonio flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

The best time to book flights from Las Vegas to San Antonio is 66 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, February is the cheapest month in which you can book a flight from Las Vegas to San Antonio (average of $136). Flying from Las Vegas to San Antonio in May is currently the most expensive (average of $386). 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 July 17, 2026.

It’s typically best to fly out from Las Vegas to San Antonio at noon. Doing so could potentially save you 61% 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 July 11, 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. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Las Vegas to San Antonio?

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
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

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

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 July 17, 2026.
Read reviews from past customers who have flown Southwest,American Airlines, andFrontier 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
4,241 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,821 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Frontier
5.6
Fair
2,792 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

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 5 daily flights to San Antonio from 3 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 18 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 $206, Frontier can have you in San Antonio from Las Vegas in 2h 54m. The distance between Las Vegas and San Antonio is about 1067 mi. This flight may include one or multiple stops.

  • 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 $76. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $186 and $191, respectively. These flights start at 68% 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 ($49), Delta ($68), and American Airlines ($97).

  • 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 $380, our data indicates the cheapest price to be $124. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $203.

  • 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, February is the cheapest month in which you can book a flight from Las Vegas to San Antonio (average of $136). Flying from Las Vegas to San Antonio in May is currently the most expensive (average of $386). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Las Vegas to San Antonio

Discover the top 3 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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$224FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$186Average$458FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$191Average$440FlexibilityNo cancel feeOn-time63%

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