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 $103, Spirit Airlines can have you in San Antonio from Las Vegas in 2h 41m. 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 $73. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $81 and $176, respectively. These flights start at 59% 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 ($57), Frontier ($77), and Southwest ($97).

Weekly flight availability from Las Vegas to San Antonio

The most flights from LAS to SAT are scheduled on a Thursday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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.

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).

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 $155, our data indicates the cheapest price to be $52. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $97.

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 (91%), Spirit Airlines (83%), Southwest( 67%).

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 Friday 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 58% 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 58 days early can save you up to 141% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Las Vegas to San Antonio for as little as $114 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 $205 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, September can be a great choice for travel to San Antonio. Flights to San Antonio from Las Vegas in September are about $182 on average during September, but can be found for as low as $44.

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 5 different airlines. 2h 30m 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.

$55+ Cheap Flights from Las Vegas to San Antonio

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1. Tell us where you want to go

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

2. Select your favorite providers

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Round-trip from	$98 (Cheapflightsfares)
One-way from	$55 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$119
Good round-trip deal	$119 or less
Good one-way deal	$69 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. 5% potential increase in price ($10 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 September 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 September 11, 2025.

Fri 9/198:27 amLAS - SAT

Nonstop2h 49mFrontier

Sun 9/219:33 pmSAT - LAS

Nonstop2h 54mFrontier

Deal found 9/8

$78

Fri 9/198:27 amLAS - SAT

Nonstop2h 49mFrontier

Sat 9/204:45 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/8

$83

Fri 9/1912:00 pmLAS - SAT

Nonstop2h 47mSpirit Airlines

Mon 9/299:47 pmSAT - LAS

Nonstop2h 53mSpirit Airlines

Deal found 9/11

$89

Thu 9/254:05 pmLAS - SAT

Nonstop2h 47mSpirit Airlines

Sun 9/289:47 pmSAT - LAS

Nonstop2h 53mSpirit Airlines

Deal found 9/8

$90

Thu 9/258:34 amLAS - SAT

Nonstop2h 49mFrontier

Sat 9/274:45 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/8

$91

Fri 9/268:27 amLAS - SAT

Nonstop2h 49mFrontier

Sat 9/274:45 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/8

$96

Fri 9/268:27 amLAS - SAT

Nonstop2h 49mFrontier

Sun 9/282:08 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/8

$97

Sat 9/2711:00 amLAS - SAT

Nonstop2h 50mFrontier

Sun 10/52:08 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/10

$98

Thu 10/98:32 amLAS - SAT

Nonstop2h 47mFrontier

Sat 10/112:04 pmSAT - LAS

Nonstop3h 01mFrontier

Deal found 9/8

$101

Thu 10/96:59 pmLAS - SAT

Nonstop2h 41mSpirit Airlines

Sun 10/127:00 amSAT - LAS

Nonstop2h 44mSpirit Airlines

Deal found 9/9

$103

Fri 10/318:32 amLAS - SAT

Nonstop2h 47mFrontier

Mon 11/32:04 pmSAT - LAS

Nonstop3h 01mFrontier

Deal found 9/10

$104

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 September 11, 2025.

Wed 10/86:59 pmLAS - SAT

Nonstop2h 41mSpirit Airlines

Wed 10/157:00 amSAT - LAS

Nonstop2h 44mSpirit Airlines

Deal found 9/10

$103

Fri 9/193:10 pmLAS - SAT

1 stop21h 17mFrontier

Sat 9/204:45 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/10

$115

Wed 10/812:59 amLAS - SAT

1 stop8h 15mMultiple Airlines

Mon 10/137:00 amSAT - LAS

Nonstop2h 44mMultiple Airlines

Deal found 9/10

$131

Mon 10/612:45 amLAS - SAT

1 stop7h 05mDelta

Tue 10/144:51 pmSAT - LAS

1 stop5h 22mDelta

Deal found 9/9

$197

Thu 10/96:59 pmLAS - SAT

Nonstop2h 41mSpirit Airlines

Mon 10/137:00 amSAT - LAS

Nonstop2h 44mSpirit Airlines

Deal found 9/8

$103

Thu 10/97:08 amLAS - SAT

1 stop10h 33mFrontier

Mon 10/137:15 pmSAT - LAS

1 stop16h 12mFrontier

Deal found 9/10

$151

Thu 10/99:12 amLAS - SAT

1 stop8h 29mFrontier

Sun 10/1210:54 amSAT - LAS

1 stop6h 07mFrontier

Deal found 9/9

$154

Thu 9/259:08 amLAS - SAT

1 stop8h 07mFrontier

Sun 9/289:55 amSAT - LAS

1 stop24h 07mFrontier

Deal found 9/11

$155

Mon 11/311:54 pmLAS - SAT

1 stop9h 34mDelta

Sat 11/83:04 pmSAT - LAS

1 stop9h 25mDelta

Deal found 9/10

$203

Sun 12/712:15 amLAS - SAT

1 stop12h 56mSpirit Airlines

Fri 12/123:02 pmSAT - LAS

1 stop5h 46mSpirit Airlines

Deal found 9/10

$191

Wed 11/512:26 pmLAS - SAT

1 stop9h 54mDelta

Thu 11/64:51 pmSAT - LAS

1 stop8h 31mDelta

Deal found 9/10

$203

Last-minute flights from Las Vegas to San Antonio
Discover last-minute flight deals from Las Vegas to San Antonio. Data last updated September 11, 2025 and is based on user searches.

Thu 9/1812:59 amLAS - SAT

1 stop16h 01mFrontier

Sat 9/204:45 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/10

$115

Thu 9/1812:59 amLAS - SAT

1 stop16h 01mFrontier

Mon 9/292:01 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/11

$118

Fri 9/1912:00 pmLAS - SAT

Nonstop2h 47mSpirit Airlines

Mon 9/299:47 pmSAT - LAS

Nonstop2h 53mSpirit Airlines

Deal found 9/11

$89

Fri 9/198:27 amLAS - SAT

Nonstop2h 49mFrontier

Mon 9/222:01 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/11

$102

Wed 9/244:05 pmLAS - SAT

Nonstop2h 47mSpirit Airlines

Sat 9/279:47 pmSAT - LAS

Nonstop2h 53mSpirit Airlines

Deal found 9/10

$120

Sat 9/2711:00 amLAS - SAT

Nonstop2h 50mFrontier

Sun 10/52:08 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/10

$98

Wed 10/88:10 pmLAS - SAT

1 stop15h 37mSpirit Airlines

Wed 10/157:00 amSAT - LAS

Nonstop2h 44mSpirit Airlines

Deal found 9/10

$119

Thu 10/96:59 pmLAS - SAT

Nonstop2h 41mSpirit Airlines

Sun 10/127:00 amSAT - LAS

Nonstop2h 44mSpirit Airlines

Deal found 9/9

$103

Sun 10/266:59 pmLAS - SAT

Nonstop2h 41mSpirit Airlines

Sun 11/27:00 amSAT - LAS

Nonstop2h 44mSpirit Airlines

Deal found 9/11

$113

Fri 10/318:32 amLAS - SAT

Nonstop2h 47mFrontier

Thu 11/610:46 pmSAT - LAS

Nonstop2h 55mFrontier

Deal found 9/10

$104

Fri 10/318:32 amLAS - SAT

Nonstop2h 47mMultiple Airlines

Wed 11/56:23 pmSAT - LAS

Nonstop2h 55mMultiple Airlines

Deal found 9/10

$114

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 September 11, 2025.

Thu 9/184:05 pmLAS - SAT

Nonstop2h 47mSpirit Airlines

Deal found 9/11

$55

Tue 10/76:59 pmLAS - SAT

Nonstop2h 41mSpirit Airlines

Deal found 9/9

$57

Mon 10/206:59 pmLAS - SAT

Nonstop2h 41mSpirit Airlines

Deal found 9/11

$58

Wed 10/158:10 pmLAS - SAT

1 stop15h 37mSpirit Airlines

Deal found 9/11

$63

Wed 12/1012:30 amLAS - SAT

Nonstop2h 39mSpirit Airlines

Deal found 9/11

$66

Sat 10/118:00 amLAS - SAT

1 stop6h 37mFrontier

Deal found 9/11

$72

Wed 9/244:05 pmLAS - SAT

Nonstop2h 47mSpirit Airlines

Deal found 9/11

$76

Tue 10/2112:59 amLAS - SAT

1 stop12h 15mFrontier

Deal found 9/10

$77

Thu 10/309:12 amLAS - SAT

1 stop8h 36mFrontier

Deal found 9/10

$78

Fri 11/1412:59 amLAS - SAT

1 stop11h 18mFrontier

Deal found 9/10

$80

Sat 10/412:11 pmLAS - SAT

1 stop5h 21mSpirit Airlines

Deal found 9/11

$81

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 10/8

6:59 pm-11:40 pm

Nonstop2h 41m

San Antonio

Wed 10/15

7:00 am-7:44 am

Nonstop2h 44m

$103

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 10/9

6:59 pm-11:40 pm

Nonstop2h 41m

San Antonio

Mon 10/13

7:00 am-7:44 am

Nonstop2h 44m

$103

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/19

3:10 pm-2:27 pm

1 stop21h 17m

San Antonio

Sat 9/20

4:45 pm-5:40 pm

Nonstop2h 55m

$115

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 10/8

12:59 am-11:14 am

1 stop8h 15m

San Antonio

Mon 10/13

7:00 am-7:44 am

Nonstop2h 44m

$131

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 10/9

7:08 am-7:41 pm

1 stop10h 33m

San Antonio

Mon 10/13

7:15 pm-9:27 am

1 stop16h 12m

$151

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 10/9

9:12 am-7:41 pm

1 stop8h 29m

San Antonio

Sun 10/12

10:54 am-3:01 pm

1 stop6h 07m

$154

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 9/25

9:08 am-7:15 pm

1 stop8h 07m

San Antonio

Sun 9/28

9:55 am-8:02 am

1 stop24h 07m

$155

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sun 12/7

12:15 am-3:11 pm

1 stop12h 56m

San Antonio

Fri 12/12

3:02 pm-6:48 pm

1 stop5h 46m

$191

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Mon 10/6

12:45 am-9:50 am

1 stop7h 05m

San Antonio

Tue 10/14

4:51 pm-8:13 pm

1 stop5h 22m

$197

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Mon 11/3

11:54 pm-11:28 am

1 stop9h 34m

San Antonio

Sat 11/8

3:04 pm-10:29 pm

1 stop9h 25m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results

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

Spirit Airlines

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

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

Read more about Spirit Airlinesby Daniel Scheffler

Frontier

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

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

Read more about Frontierby Marisa Garcia

Southwest

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

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

Read more about Southwestby Marisa Garcia

Airports

LAS

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

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.

Our travel experts

Daniel Scheffler

Expert on Spirit Airlines

Marisa Garcia

Expert on Frontier and Southwest

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

Prices

Airlines

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 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?

It’s typically best to fly out from Las Vegas to San Antonio in the afternoon. Doing so could potentially save you 27% 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?

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

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

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

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

Southwest

8.0

Very good

4,248 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

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

Delta

8.0

Very good

7,960 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

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

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

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

Spirit Airlines

6.3

Okay

8,023 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

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

Frontier

5.8

Fair

3,177 reviews

Southwest

8.0

Very good

4,248 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

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

Related info for your journey

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 5 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 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 $103, Spirit Airlines can have you in San Antonio from Las Vegas in 2h 41m. 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 $73. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $81 and $176, respectively. These flights start at 59% 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 ($57), Frontier ($77), and Southwest ($97).
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 (91%), Spirit Airlines (83%), Southwest( 67%).
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 $155, our data indicates the cheapest price to be $52. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $97.
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

New Braunfels

Kerrville

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Las Vegas to San Antonio

Other flights to San Antonio

Top 5 airlines flying from Las Vegas to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$73	Average$143	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$81	Average$171	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$176	Average$446	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$207	Average$375	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$246	Average$376	FlexibilityNo cancel fee	On-timeN/A

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$55+ 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 9/18. 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 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

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 September 11, 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 September 11, 2025.

Cheapflights Fare Finder

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

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

Spirit Airlines

Frontier

Southwest

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?

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?

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

Weekly flight availability from Las Vegas to San Antonio

Reviews of airlines servicing San Antonio

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.

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?

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

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?

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Top 5 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 September 11, 2025.