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$60+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAT
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 76 days in advance, depart on a Saturday or Thursday 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 August 18, 2025.

Round-trip from

$65
(Kiwi.com)

One-way from

$60
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$180

Good round-trip deal

$133 or less

Good one-way deal

$92 or less
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. 4% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 10/23:55 pmLAS - SAT
Nonstop2h 53mFrontier
Mon 10/62:01 pmSAT - LAS
Nonstop2h 55mFrontier
Deal found 8/18$64
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/118:34 amLAS - SAT
Nonstop2h 49mFrontier
Sun 9/149:33 pmSAT - LAS
Nonstop2h 54mFrontier
Deal found 8/17$65
This Frontier deal was found by Cheapflights users on 8/16. 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 9/118:34 amLAS - SAT
Nonstop2h 49mFrontier
Sun 9/219:33 pmSAT - LAS
Nonstop2h 54mFrontier
Deal found 8/16$66
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:00 amLAS - SAT
Nonstop2h 50mFrontier
Sun 10/59:33 pmSAT - LAS
Nonstop2h 54mFrontier
Deal found 8/17$70
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 8/298:21 amLAS - SAT
Nonstop2h 50mFrontier
Sun 8/311:56 pmSAT - LAS
Nonstop2h 50mFrontier
Deal found 8/17$72
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/288:21 amLAS - SAT
Nonstop2h 50mFrontier
Mon 9/11:56 pmSAT - LAS
Nonstop2h 50mFrontier
Deal found 8/16$73
This Frontier deal was found by Cheapflights users on 8/16. 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.
Sat 9/1311:00 amLAS - SAT
Nonstop2h 50mFrontier
Sun 9/219:33 pmSAT - LAS
Nonstop2h 54mFrontier
Deal found 8/16$74
This Justfly.com deal was found by Cheapflights users on 8/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:05 pmLAS - SAT
Nonstop2h 47mMultiple Airlines
Sat 9/204:45 pmSAT - LAS
Nonstop2h 55mMultiple Airlines
Deal found 8/16$79
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 9/1311:00 amLAS - SAT
Nonstop2h 50mFrontier
Sat 9/204:45 pmSAT - LAS
Nonstop2h 55mFrontier
Deal found 8/18$81
This Frontier deal was found by Cheapflights users on 8/16. 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.
Sat 9/1311:00 amLAS - SAT
Nonstop2h 50mFrontier
Thu 9/189:33 pmSAT - LAS
Nonstop2h 54mFrontier
Deal found 8/16$82
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 10/248:32 amLAS - SAT
Nonstop2h 47mFrontier
Sun 10/262:14 pmSAT - LAS
Nonstop3h 01mFrontier
Deal found 8/17$83
This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/134:05 pmLAS - SAT
Nonstop2h 47mSpirit Airlines
Sat 9/209:47 pmSAT - LAS
Nonstop2h 53mSpirit Airlines
Deal found 8/16$86

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 August 18, 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

Thu 10/2

3:55 pm-8:48 pm

Nonstop2h 53m

San Antonio

Mon 10/6

2:01 pm-2:56 pm

Nonstop2h 55m

$64

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/12

8:27 am-1:16 pm

Nonstop2h 49m

San Antonio

Mon 9/15

2:01 pm-2:56 pm

Nonstop2h 55m

$65

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 9/11

8:34 am-1:23 pm

Nonstop2h 49m

San Antonio

Sun 9/14

9:33 pm-10:27 pm

Nonstop2h 54m

$65

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 9/11

8:34 am-1:23 pm

Nonstop2h 49m

San Antonio

Mon 9/15

2:01 pm-2:56 pm

Nonstop2h 55m

$65

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 10/3

8:27 am-1:16 pm

Nonstop2h 49m

San Antonio

Mon 10/6

2:01 pm-2:56 pm

Nonstop2h 55m

$65

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 9/25

8:34 am-1:23 pm

Nonstop2h 49m

San Antonio

Mon 9/29

2:01 pm-2:56 pm

Nonstop2h 55m

$65

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 9/11

8:34 am-1:23 pm

Nonstop2h 49m

San Antonio

Sun 9/21

9:33 pm-10:27 pm

Nonstop2h 54m

$66

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/12

8:27 am-1:16 pm

Nonstop2h 49m

San Antonio

Sun 9/21

9:33 pm-10:27 pm

Nonstop2h 54m

$66

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/12

8:27 am-1:16 pm

Nonstop2h 49m

San Antonio

Mon 9/22

2:01 pm-2:56 pm

Nonstop2h 55m

$66

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 9/17

4:05 pm-8:52 pm

Nonstop2h 47m

$60

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 17 results
1
2

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 August 8, 2025.

The best time to book flights from Las Vegas to San Antonio is 76 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 August 18, 2025.

It’s typically best to fly out from Las Vegas to San Antonio in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying in the morning, 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 August 17, 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.

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 August 18, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American 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
4,246 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Spirit Airlines
6.3
Okay
8,038 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,212 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 29m 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 40 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 $64, Frontier can have you in San Antonio from Las Vegas in 2h 53m. 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 $69. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $76 and $176, respectively. These flights start at 61% lower than the current average price 3 months from now.

  • 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: Frontier (94%), Spirit Airlines (85%), Southwest( 77%).

  • 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 $180, our data indicates the cheapest price to be $68. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $85.

  • 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

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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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$144FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$76Average$170FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$176Average$445FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$366FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$229Average$373FlexibilityNo cancel feeOn-time63%

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