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

The San Antonio to Las Vegas Harry Reid Intl flight path was viewed by 331 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 San Antonio to Las Vegas round-trip?

According to our current data, Spirit Airlines ($93), and Frontier ($106) offers the cheapest pricing from San Antonio to Las Vegas. Spirit Airlines is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

$50 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $54 and $179, respectively.

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

Looking at all options, your cheapest flight can be booked for $47. While the most popular route (San Antonio - Las Vegas Harry Reid Intl) can be booked for $88 on average our data indicates $184 when flying from San Antonio to Las Vegas.

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

Consider Southwest (90%), Spirit Airlines (78%) or Frontier (73%) when booking your flight. These represent the most reliable airlines when flying from San Antonio to Las Vegas.

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

When booking a flight from San Antonio to Las Vegas, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

Where are the most common layover locations when flying from San Antonio to Las Vegas?

Flights departing from San Antonio and landing in Las Vegas layover in Phoenix most frequently. San Antonio to Las Vegas flights stop in Denver the next most.

Where are the least popular layover locations for San Antonio to Las Vegas flights?

Of the flights from San Antonio to Las Vegas that have layovers, the fewest flights stop in Denver.

What are some popular things to do or see while on a layover in Phoenix?

Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are the most popular attractions in Phoenix if you're in need of something to do during your layover. Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall can be accessed by traveling approximately 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Travelers can rent a car at Phoenix Sky Harbor Intl for an average daily rate of $56 to make sightseeing during their layover a little easier.

What are some popular points of interest to see during a layover in Denver?

If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, Paramount Theatre, or 16th Street Mall. Travelers on a layover in Denver can visit Coors Field, Paramount Theatre, and 16th Street Mall, by traveling 18.4 mi, 18.6 mi, and 18.7 mi, respectively after landing at Denver Intl. Those landing in Denver looking to spend some time exploring during their layover can rent a car for about $43 per day.

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

Wednesday flights are found to be more expensive to fly from San Antonio to Las Vegas. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Las Vegas.

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

Find a great deal and save up to 73% by booking at least 19 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Antonio to Las Vegas within the next two weeks, with the cheapest ticket starting at $150.

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

September is one of the best times of the year to fly to Las Vegas from San Antonio. Prices for September average $202 per person but you can even find prices for as low as $44. The most expensive prices can be found in the month of December. Opting for a September flight can save you 41% on your journey compared to booking in December

Most accurate provider : When it comes to deals on San Antonio-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Las Vegas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Antonio-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams 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 San Antonio-Las Vegas 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 San Antonio to Las Vegas?

You will need to book a flight from San Antonio to Las Vegas Harry Reid Intl if you want to fly from San Antonio to Las Vegas. At least 7 different airlines have flights from San Antonio (SAT) to Harry Reid Intl (LAS) on a regular basis. There are 5 flights to Las Vegas from the San Antonio airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAT to LAS to be around 2h 44m.

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

Yes. In addition to deals on San Antonio to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Las Vegas.

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

Yes. Cheapflights offers flight deals from San Antonio to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$50+ Flights from San Antonio to Las Vegas

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Cheapflights Tip: The best prices from San Antonio to Las Vegas Harry Reid Intl are usually found in September or June, booked 18 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from San Antonio to Las Vegas

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$93 (Cheapflightsfares)
One-way from	$50 (Expedia)
Popular in	December
Cheapest in	September
Average price	$218
Good round-trip deal	$145 or less
Good one-way deal	$96 or less

Provider with most accurate pricing for San Antonio-Las Vegas Harry Reid Intl flight deals.

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Provider most trusted by Cheapflights users for San Antonio-Las Vegas Harry Reid Intl flights.

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From San Antonio to Las Vegas Harry Reid Intl

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

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Highest demand for flights based on searches. 14% potential increase in price ($33 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from San Antonio to Las Vegas Harry Reid Intl.

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Price to beat on a one-way flight from San Antonio to Las Vegas Harry Reid Intl.

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Find flight deals from San Antonio to Las Vegas

Cheapest flights from San Antonio to Las Vegas
Explore the most affordable flight options available from San Antonio to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Sun 5/45:39 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Thu 5/86:10 amLAS - SAT

Nonstop2h 37mSpirit Airlines

Deal found 4/15

$93

Mon 5/51:43 pmSAT - LAS

Nonstop2h 59mMultiple Airlines

Wed 5/712:33 amLAS - SAT

Nonstop2h 31mMultiple Airlines

Deal found 4/15

$97

Fri 5/21:43 pmSAT - LAS

Nonstop2h 59mFrontier

Mon 5/58:00 amLAS - SAT

Nonstop2h 43mFrontier

Deal found 4/17

$108

Best flights from San Antonio to Las Vegas
Discover carefully curated flight deals from San Antonio to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Sun 5/45:39 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Thu 5/86:10 amLAS - SAT

Nonstop2h 37mSpirit Airlines

Deal found 4/15

$93

Mon 5/51:43 pmSAT - LAS

Nonstop2h 59mMultiple Airlines

Thu 5/86:10 amLAS - SAT

Nonstop2h 37mMultiple Airlines

Deal found 4/15

$97

Fri 5/91:43 pmSAT - LAS

Nonstop2h 59mFrontier

Sun 5/118:00 amLAS - SAT

Nonstop2h 43mFrontier

Deal found 4/17

$106

Last-minute flights from San Antonio to Las Vegas
Discover last-minute flight deals from San Antonio to Las Vegas. Data last updated April 17, 2025 and is based on user searches.

Wed 4/234:16 pmSAT - LAS

2 stops8h 00mUnited Airlines

Sat 4/2612:59 amLAS - SAT

1 stop5h 32mUnited Airlines

Deal found 4/16

$540

Wed 4/236:35 amSAT - LAS

2 stops13h 44mAlaska Airlines

Sat 4/266:38 amLAS - SAT

2 stops15h 21mAlaska Airlines

Deal found 4/17

$647

Thu 4/245:39 amSAT - LAS

Nonstop2h 57mMultiple Airlines

Sun 4/278:00 amLAS - SAT

Nonstop2h 37mMultiple Airlines

Deal found 4/16

$103

Fri 4/257:05 pmSAT - LAS

1 stop6h 45mAmerican Airlines

Fri 4/2512:59 amLAS - SAT

1 stop5h 33mAmerican Airlines

Deal found 4/16

$409

Sat 4/266:55 amSAT - LAS

Nonstop2h 55mSouthwest

Tue 4/295:15 pmLAS - SAT

Nonstop2h 35mSouthwest

Deal found 4/16

$395

Sat 4/265:00 pmSAT - LAS

1 stop6h 44mDelta

Tue 4/296:00 amLAS - SAT

1 stop5h 17mDelta

Deal found 4/17

$415

Sun 4/275:39 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Wed 4/3011:59 pmLAS - SAT

Nonstop2h 35mSpirit Airlines

Deal found 4/15

$105

Sun 4/271:37 pmSAT - LAS

Nonstop3h 10mFrontier

Mon 4/288:00 amLAS - SAT

Nonstop2h 37mFrontier

Deal found 4/17

$108

Fri 5/21:43 pmSAT - LAS

Nonstop2h 59mFrontier

Sun 5/48:00 amLAS - SAT

Nonstop2h 43mFrontier

Deal found 4/17

$108

Sun 5/45:39 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Thu 5/86:10 amLAS - SAT

Nonstop2h 37mSpirit Airlines

Deal found 4/15

$93

Mon 5/51:43 pmSAT - LAS

Nonstop2h 59mMultiple Airlines

Wed 5/712:33 amLAS - SAT

Nonstop2h 31mMultiple Airlines

Deal found 4/15

$97

One-way flights from San Antonio to Las Vegas
Search for one-way flight options from San Antonio to Las Vegas. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Sun 4/275:39 amSAT - LAS

Nonstop2h 57mSpirit Airlines

Deal found 4/16

$50

Sun 5/181:43 pmSAT - LAS

Nonstop2h 59mFrontier

Deal found 4/15

$54

Sun 5/111:27 pmSAT - LAS

2 stops24h 37mMultiple Airlines

Deal found 4/17

$133

Wed 7/162:00 pmSAT - LAS

1 stop6h 49mDelta

Deal found 4/16

$179

Tue 5/138:00 amSAT - LAS

2 stops10h 23mAmerican Airlines

Deal found 4/15

$183

Sun 5/2511:15 amSAT - LAS

2 stops6h 20mSouthwest

Deal found 4/17

$195

Sun 5/115:30 amSAT - LAS

2 stops11h 01mUnited Airlines

Deal found 4/16

$214

Wed 4/306:35 amSAT - LAS

2 stops13h 44mAlaska Airlines

Deal found 4/16

$253

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 5/4

5:39 am-6:36 am

Nonstop2h 57m

Las Vegas Harry Reid Intl

Thu 5/8

6:10 am-10:47 am

Nonstop2h 37m

$93

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 5/5

1:43 pm-2:42 pm

Nonstop2h 59m

Las Vegas Harry Reid Intl

Wed 5/7

12:33 am-5:04 am

Nonstop2h 31m

$97

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Fri 5/9

1:43 pm-2:42 pm

Nonstop2h 59m

Las Vegas Harry Reid Intl

Sun 5/11

8:00 am-12:43 pm

Nonstop2h 43m

$106

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 4/27

5:39 am-6:36 am

Nonstop2h 57m

$50

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 5/18

1:43 pm-2:42 pm

Nonstop2h 59m

$54

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 5/11

1:27 pm-12:04 pm

2 stops24h 37m

$133

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Wed 7/16

2:00 pm-6:49 pm

1 stop6h 49m

$179

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 5/13

8:00 am-4:23 pm

2 stops10h 23m

$183

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 5/25

11:15 am-3:35 pm

2 stops6h 20m

$195

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 5/11

5:30 am-2:31 pm

2 stops11h 01m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 11 results

Compare providers for flights from San Antonio to Las Vegas

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Las Vegas in April.

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

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Antonio-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Las Vegas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Antonio-Las Vegas flights, Cheapflights users trust eDreams the most. eDreams 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 San Antonio-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for San Antonio to Las Vegas flights

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

Airlines

Spirit Airlines

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

Spirit's self-service bag drop saves time; print your boarding pass to avoid extra fees.

Read more about Spirit Airlinesby Daniel Scheffler

Frontier

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

Frontier's Economy Bundle includes a carry-on, seat selection, and no change fees.

Read more about Frontierby Marisa Garcia

Airports

SAT

For quick check-in, SAT's central ticketing area leads to two smaller concourses. Choose Terminal A for most airlines, except American and Southwest in Terminal B.

LAS

For a smooth arrival, consider rideshare from LAS, but note pickups are in the parking garage, a bit of a walk in hot weather.

Our travel experts

Daniel Scheffler

Expert on Spirit Airlines

Marisa Garcia

Expert on Frontier

Ramsey Qubein

Expert on SAT and LAS

Best time to book a flight from San Antonio to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from San Antonio 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 San Antonio to Las Vegas

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

The price you pay for your flight from San Antonio to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 18 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from San Antonio to Las Vegas (average of $198). Flying from San Antonio to Las Vegas in March is currently the most expensive (average of $269). 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 SAT to LAS?

One of the essential ways to save on airfare from San Antonio to Las Vegas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.

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

Travelers seeking maximum savings on their San Antonio to Las Vegas flight should consider departing on Monday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Antonio to Las Vegas

The most flights from SAT to LAS are scheduled on a Thursday (8 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 Las Vegas by month

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

If weather is an important factor for your trip to Las Vegas, 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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

To help decide which airline to fly from San Antonio to Las Vegas, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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.

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,280 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airports do I use to fly from San Antonio to Las Vegas?
You will need to book a flight from San Antonio to Las Vegas Harry Reid Intl if you want to fly from San Antonio to Las Vegas. At least 7 different airlines have flights from San Antonio (SAT) to Harry Reid Intl (LAS) on a regular basis. There are 5 flights to Las Vegas from the San Antonio airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SAT to LAS to be around 2h 44m.
How popular is this San Antonio to Las Vegas flight route?
The San Antonio to Las Vegas Harry Reid Intl flight path was viewed by 331 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 San Antonio to Las Vegas round-trip?
According to our current data, Spirit Airlines ($93), and Frontier ($106) offers the cheapest pricing from San Antonio to Las Vegas. Spirit Airlines is priced at 53% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from San Antonio to Las Vegas one-way?
$50 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $54 and $179, respectively.
What are the most reliable airlines from San Antonio to Las Vegas?
Consider Southwest (90%), Spirit Airlines (78%) or Frontier (73%) when booking your flight. These represent the most reliable airlines when flying from San Antonio to Las Vegas.
What are the cheapest flights from San Antonio to Las Vegas?
Looking at all options, your cheapest flight can be booked for $47. While the most popular route (San Antonio - Las Vegas Harry Reid Intl) can be booked for $88 on average our data indicates $184 when flying from San Antonio to Las Vegas.
Where are the most common layover locations when flying from San Antonio to Las Vegas?
Flights departing from San Antonio and landing in Las Vegas layover in Phoenix most frequently. San Antonio to Las Vegas flights stop in Denver the next most.
What are some popular things to do or see while on a layover in Phoenix?
Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall are the most popular attractions in Phoenix if you're in need of something to do during your layover. Chase Field, Desert Ridge Marketplace, and Phoenix Symphony Hall can be accessed by traveling approximately 4.0 mi, 16.7 mi, and 4.3 mi, respectively from Phoenix Sky Harbor Intl. Travelers can rent a car at Phoenix Sky Harbor Intl for an average daily rate of $56 to make sightseeing during their layover a little easier.
What are some popular points of interest to see during a layover in Denver?
If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, Paramount Theatre, or 16th Street Mall. Travelers on a layover in Denver can visit Coors Field, Paramount Theatre, and 16th Street Mall, by traveling 18.4 mi, 18.6 mi, and 18.7 mi, respectively after landing at Denver Intl. Those landing in Denver looking to spend some time exploring during their layover can rent a car for about $43 per day.
Where are the least popular layover locations for San Antonio to Las Vegas flights?
Of the flights from San Antonio to Las Vegas that have layovers, the fewest flights stop in Denver.
Can I find deals for flights from San Antonio to Las Vegas that include hotel bookings?
Yes. In addition to deals on San Antonio to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to Las Vegas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Las Vegas.
Can I find deals for business class flights from San Antonio to Las Vegas?
Yes. Cheapflights offers flight deals from San Antonio to Las Vegas 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 San Antonio to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from San Antonio to Las Vegas (average of $198). Flying from San Antonio to Las Vegas in March is currently the most expensive (average of $269). 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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Other flights to Las Vegas

Top 7 airlines flying from San Antonio to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$72	Average$196	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$72	Average$170	FlexibilityNo cancel fee	On-time65%
Allegiant Air	Cheapest$84	Average$143	FlexibilityNo cancel fee	On-time88%
American Airlines	Cheapest$187	Average$381	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$196	Average$353	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$254	Average$477	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$256	Average$443	FlexibilityNo cancel fee	On-time63%

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$50+ Cheap flights from San Antonio to Las Vegas (SAT - LAS)

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio to Las Vegas with Cheapflights

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Cheapflights Tip: The best prices from San Antonio to Las Vegas Harry Reid Intl are usually found in September or June, booked 18 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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Cheapest flights from San Antonio to Las VegasExplore the most affordable flight options available from San Antonio to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from San Antonio to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

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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.

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The best insider tips for San Antonio to Las Vegas flights

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Best time to book a flight from San Antonio to Las Vegas

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Everything you need to know about your flight from San Antonio to Las Vegas

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Las Vegas. Price data was last updated on April 11, 2025.

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Find hourly flight availability from San Antonio to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Las Vegas. Price data was last updated on March 30, 2025.

Weekly flight availability from San Antonio to Las Vegas

Rainfall in Las Vegas by month

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Temperature in Las Vegas by month

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Reviews of airlines servicing Las Vegas

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Where are the most common layover locations when flying from San Antonio to Las Vegas?

What are some popular things to do or see while on a layover in Phoenix?

What are some popular points of interest to see during a layover in Denver?

Where are the least popular layover locations for San Antonio to Las Vegas flights?

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Cheapest flights from San Antonio to Las Vegas
Explore the most affordable flight options available from San Antonio to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.