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 28 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 $86. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $177 and $215, respectively. These flights start at 46% 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 Spirit Airlines ($42), Frontier ($68), and American Airlines ($108).

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 $157, our data indicates the cheapest price to be $39. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $86.

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 (93%), Frontier (87%), Southwest( 82%).

What are the most popular airlines that fly from Las Vegas to San Antonio?

American Airlines, Delta and Frontier are the most popular airlines when flying from Las Vegas to San Antonio.

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

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 54% on the overall cost on flights from Las Vegas to San Antonio.

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

Users have found that booking a flight from Las Vegas to San Antonio at least 51 days early can save you up to 174% on average compared to booking a flight this week. If booking 51 days before your flight isn’t an option for you, users have found flights from Las Vegas to San Antonio for as little as $107 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $253 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to San Antonio. Flights to San Antonio from Las Vegas in August are about $161 on average during August, but can be found for as low as $50.

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.

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 6 different airlines. 2h 32m is how long a flight from Las Vegas to San Antonio will take if you book a nonstop flight.

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.

$42+ Save on Flights from Las Vegas to San Antonio

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1. Tell us where you want to go

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Antonio are usually found in August or September, booked 50 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Las Vegas to San Antonio

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$86 (FlightHub)
One-way from	$42 (FlightHub)
Popular in	December
Cheapest in	August
Average price	$210
Good round-trip deal	$106 or less
Good one-way deal	$63 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

Search Deals

One-way flight from Las Vegas Harry Reid Intl to San Antonio

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 25, 2025.

Wed 5/1412:33 amLAS - SAT

Nonstop2h 31mSpirit Airlines

Mon 5/1911:42 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Deal found 3/24

$86

Wed 4/161:41 pmLAS - SAT

Nonstop2h 39mMultiple Airlines

Sat 4/198:02 pmSAT - LAS

Nonstop3h 05mMultiple Airlines

Deal found 3/24

$117

Sat 4/52:28 pmLAS - SAT

Nonstop2h 44mFrontier

Mon 4/75:04 pmSAT - LAS

Nonstop3h 05mFrontier

Deal found 3/23

$177

Wed 5/217:05 amLAS - SAT

1 stop5h 30mAmerican Airlines

Tue 5/276:43 pmSAT - LAS

1 stop6h 12mAmerican Airlines

Deal found 3/24

$215

Sat 4/197:35 amLAS - SAT

Nonstop2h 35mSouthwest

Sat 4/195:55 pmSAT - LAS

Nonstop2h 55mSouthwest

Deal found 3/23

$255

Best flights from Las Vegas to San Antonio
Discover carefully curated flight deals from Las Vegas to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Wed 5/1412:33 amLAS - SAT

Nonstop2h 31mSpirit Airlines

Mon 5/1911:42 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Deal found 3/24

$86

Wed 4/161:41 pmLAS - SAT

Nonstop2h 39mMultiple Airlines

Sat 4/198:02 pmSAT - LAS

Nonstop3h 05mMultiple Airlines

Deal found 3/24

$117

Sat 4/52:28 pmLAS - SAT

Nonstop2h 44mFrontier

Mon 4/75:04 pmSAT - LAS

Nonstop3h 05mFrontier

Deal found 3/23

$177

Wed 5/217:05 amLAS - SAT

1 stop5h 30mAmerican Airlines

Tue 5/276:43 pmSAT - LAS

1 stop6h 12mAmerican Airlines

Deal found 3/24

$215

Sat 4/197:35 amLAS - SAT

Nonstop2h 35mSouthwest

Sat 4/195:55 pmSAT - LAS

Nonstop2h 55mSouthwest

Deal found 3/23

$255

Wed 4/2312:35 amLAS - SAT

1 stop7h 24mDelta

Sun 4/278:00 amSAT - LAS

1 stop6h 18mDelta

Deal found 3/24

$327

Last-minute flights from Las Vegas to San Antonio
Discover last-minute flight deals from Las Vegas to San Antonio. Data last updated March 25, 2025 and is based on user searches.

Sun 3/3011:38 amLAS - SAT

Nonstop2h 42mMultiple Airlines

Wed 4/29:35 pmSAT - LAS

Nonstop3h 07mMultiple Airlines

Deal found 3/24

$226

Mon 3/315:35 pmLAS - SAT

1 stop10h 05mAlaska Airlines

Tue 4/17:00 amSAT - LAS

2 stops13h 27mAlaska Airlines

Deal found 3/24

$828

Tue 4/112:59 amLAS - SAT

1 stop7h 09mAmerican Airlines

Wed 4/23:15 pmSAT - LAS

1 stop5h 30mAmerican Airlines

Deal found 3/23

$727

Thu 4/310:51 amLAS - SAT

Nonstop2h 43mFrontier

Sun 4/64:39 pmSAT - LAS

Nonstop3h 05mFrontier

Deal found 3/24

$238

Fri 4/43:47 pmLAS - SAT

Nonstop2h 43mSpirit Airlines

Tue 4/89:35 pmSAT - LAS

Nonstop3h 07mSpirit Airlines

Deal found 3/24

$180

Fri 4/412:59 amLAS - SAT

1 stop5h 32mUnited Airlines

Fri 4/115:30 amSAT - LAS

1 stop5h 30mUnited Airlines

Deal found 3/25

$659

Sat 4/52:28 pmLAS - SAT

Nonstop2h 44mFrontier

Fri 4/115:47 pmSAT - LAS

Nonstop3h 05mFrontier

Deal found 3/25

$158

Thu 4/1012:59 amLAS - SAT

1 stop5h 33mAmerican Airlines

Wed 4/168:35 pmSAT - LAS

1 stop5h 16mAmerican Airlines

Deal found 3/24

$393

Tue 4/1512:59 amLAS - SAT

1 stop5h 32mUnited Airlines

Sat 4/195:30 amSAT - LAS

2 stops8h 49mUnited Airlines

Deal found 3/24

$431

Wed 4/161:41 pmLAS - SAT

Nonstop2h 39mMultiple Airlines

Sat 4/198:02 pmSAT - LAS

Nonstop3h 05mMultiple Airlines

Deal found 3/24

$117

Fri 4/181:41 pmLAS - SAT

Nonstop2h 39mSpirit Airlines

Sun 4/205:39 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Deal found 3/23

$87

Wed 4/2312:35 amLAS - SAT

1 stop7h 24mDelta

Sun 4/278:00 amSAT - LAS

1 stop6h 18mDelta

Deal found 3/24

$327

One-way flights from Las Vegas to San Antonio
Search for one-way flight options from Las Vegas to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Thu 4/2411:59 pmLAS - SAT

Nonstop2h 35mSpirit Airlines

Deal found 3/24

$42

Sat 4/52:28 pmLAS - SAT

Nonstop2h 44mFrontier

Deal found 3/24

$68

Mon 4/1412:59 amLAS - SAT

1 stop7h 08mAmerican Airlines

Deal found 3/24

$108

Sun 4/2712:59 amLAS - SAT

1 stop5h 32mUnited Airlines

Deal found 3/24

$113

Wed 5/77:15 pmLAS - SAT

Nonstop2h 35mSouthwest

Deal found 3/24

$128

Mon 5/1912:54 amLAS - SAT

1 stop8h 56mDelta

Deal found 3/24

$138

Sun 5/189:23 amLAS - SAT

2 stops26h 19mMultiple Airlines

Deal found 3/24

$180

Tue 5/137:21 pmLAS - SAT

2 stops26h 38mAlaska Airlines

Deal found 3/24

$202

Cheapflights Fare Finder

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

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 5/14

12:33 am-5:04 am

Nonstop2h 31m

San Antonio

Mon 5/19

11:42 am-12:39 pm

Nonstop2h 57m

$86

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 4/16

1:41 pm-6:20 pm

Nonstop2h 39m

San Antonio

Sat 4/19

8:02 pm-9:07 pm

Nonstop3h 05m

$117

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 4/5

2:28 pm-7:12 pm

Nonstop2h 44m

San Antonio

Mon 4/7

5:04 pm-6:09 pm

Nonstop3h 05m

$177

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 5/21

7:05 am-2:35 pm

1 stop5h 30m

San Antonio

Tue 5/27

6:43 pm-10:55 pm

1 stop6h 12m

$215

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 4/19

7:35 am-12:10 pm

Nonstop2h 35m

San Antonio

Sat 4/19

5:55 pm-6:50 pm

Nonstop2h 55m

$255

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 4/24

11:59 pm-4:34 am

Nonstop2h 35m

$42

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 4/5

2:28 pm-7:12 pm

Nonstop2h 44m

$68

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Tue 4/29

12:59 am-10:07 am

1 stop7h 08m

$108

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sun 4/27

12:59 am-8:31 am

1 stop5h 32m

$113

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 5/7

7:15 pm-11:50 pm

Nonstop2h 35m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 13 results

Compare providers for flights from Las Vegas to San Antonio

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars
FareScan	Price Accuracy-	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	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 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.

The best insider tips for Las Vegas to San Antonio flights

Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to San Antonio trip

Airlines

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

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

Airports

LAS

Experience self-service TSA screening at LAS for a streamlined security process, reducing wait times before your flight to San Antonio.

SAT

Use rideshare services from SAT's lower level for a quick 15-minute drive to downtown San Antonio.

Our travel experts

Marisa Garcia

Expert on Frontier

Daniel Scheffler

Expert on Spirit Airlines

Ramsey Qubein

Expert on SAT and LAS

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 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?

It’s typically best to fly out from Las Vegas to San Antonio at noon. Doing so could potentially save you 25% 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?

Travelers seeking maximum savings on their Las Vegas to San Antonio flight should consider departing on Friday afternoons 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

The most flights from LAS to SAT are scheduled on a Monday (7 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

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

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 a feel of what it's like to fly with Alaska Airlines, Southwest and Delta 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.

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,785 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,272 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,890 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,605 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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 6 different airlines. 2h 32m 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 28 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 $86. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $177 and $215, respectively. These flights start at 46% 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 Spirit Airlines ($42), Frontier ($68), and American Airlines ($108).
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 (93%), Frontier (87%), Southwest( 82%).
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 $157, our data indicates the cheapest price to be $39. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $86.
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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Top 6 airlines flying from Las Vegas to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$58	Average$129	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$72	Average$151	FlexibilityNo cancel fee	On-time65%
Allegiant Air	Cheapest$77	Average$135	FlexibilityNo cancel fee	On-time88%
American Airlines	Cheapest$189	Average$410	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$196	Average$321	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$255	Average$406	FlexibilityNo cancel fee	On-time63%

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$42+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Antonio are usually found in August or September, booked 50 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Las Vegas to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Las Vegas to San Antonio

Cheapest flights from Las Vegas to San AntonioExplore 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 March 25, 2025.

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 March 25, 2025.

Cheapflights Fare Finder

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

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 March.

The best insider tips for Las Vegas to San Antonio flights

Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to San Antonio trip

Airlines

Frontier

Spirit Airlines

Airports

LAS

SAT

Our travel experts

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.

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 March 21, 2025.

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

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 March 25, 2025.

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 March 23, 2025.

Weekly flight availability from Las Vegas to San Antonio

Rainfall in San Antonio by month

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

Temperature in San Antonio by month

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

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta 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.

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?

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

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

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

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

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

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

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

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

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

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Alternative routes for Las Vegas to San Antonio

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Top 6 airlines flying from Las Vegas to San Antonio

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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 March 25, 2025.