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 309 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 ($107), American Airlines ($177), and Delta ($207) offers the cheapest pricing from San Antonio to Las Vegas. Spirit Airlines is priced at 49% 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?

$51 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 American Airlines, with prices starting from $68 and $89, respectively.

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

Looking at all options, your cheapest flight can be booked for $51. While the most popular route (San Antonio - Las Vegas Harry Reid Intl) can be booked for $98 on average our data indicates $208 when flying from San Antonio to Las Vegas.

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

Consider Spirit Airlines (83%), Southwest (81%) or Frontier (75%) 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 $50 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 Larimer Square. Travelers on a layover in Denver can visit Coors Field, Paramount Theatre, and Larimer Square, by traveling 18.4 mi, 18.6 mi, and 18.9 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 $54 per day.

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

Thursday 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 70% 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 $157.

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 $210 per person but you can even find prices for as low as $47. The most expensive prices can be found in the month of December. Opting for a September flight can save you 36% on your journey compared to booking in December

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 4 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.

$51+ Flights from San Antonio to Las Vegas

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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 San Antonio to Las Vegas Harry Reid Intl are usually found in September or August, booked 18 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from San Antonio to Las Vegas

Round-trip from	$107 (Cheapflightsfares)
One-way from	$51 (Booking.com)
Popular in	December
Cheapest in	September
Average price	$215
Good round-trip deal	$170 or less
Good one-way deal	$89 or less

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. 10% potential increase in price ($25 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 12, 2025.

Mon 7/147:52 pmSAT - LAS

Nonstop3h 00mSpirit Airlines

Wed 7/161:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Deal found 6/9

$107

Sun 7/131:56 pmSAT - LAS

Nonstop2h 50mMultiple Airlines

Tue 7/151:54 pmLAS - SAT

Nonstop2h 42mMultiple Airlines

Deal found 6/11

$117

Tue 7/86:12 pmSAT - LAS

1 stop5h 35mAmerican Airlines

Mon 7/1412:59 amLAS - SAT

1 stop5h 26mAmerican Airlines

Deal found 6/10

$177

Tue 7/812:24 pmSAT - LAS

1 stop8h 42mDelta

Mon 7/1412:34 amLAS - SAT

1 stop7h 11mDelta

Deal found 6/9

$207

Thu 7/241:56 pmSAT - LAS

Nonstop2h 50mFrontier

Sun 7/278:16 amLAS - SAT

Nonstop2h 50mFrontier

Deal found 6/12

$230

Thu 8/282:25 pmSAT - LAS

1 stop5h 23mUnited Airlines

Mon 9/112:59 amLAS - SAT

1 stop5h 58mUnited Airlines

Deal found 6/11

$237

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 June 12, 2025.

Mon 7/147:52 pmSAT - LAS

Nonstop3h 00mSpirit Airlines

Wed 7/161:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Deal found 6/9

$107

Sun 7/131:56 pmSAT - LAS

Nonstop2h 50mMultiple Airlines

Tue 7/151:54 pmLAS - SAT

Nonstop2h 42mMultiple Airlines

Deal found 6/11

$117

Tue 7/86:12 pmSAT - LAS

1 stop7h 35mAmerican Airlines

Fri 7/1111:59 pmLAS - SAT

1 stop6h 26mAmerican Airlines

Deal found 6/10

$177

Tue 7/812:24 pmSAT - LAS

1 stop8h 42mDelta

Mon 7/1412:34 amLAS - SAT

1 stop7h 11mDelta

Deal found 6/9

$207

Thu 7/241:56 pmSAT - LAS

Nonstop2h 50mFrontier

Sun 7/278:16 amLAS - SAT

Nonstop2h 50mFrontier

Deal found 6/12

$230

Thu 8/285:58 pmSAT - LAS

1 stop5h 15mUnited Airlines

Mon 9/112:59 amLAS - SAT

1 stop5h 58mUnited Airlines

Deal found 6/11

$237

Last-minute flights from San Antonio to Las Vegas
Discover last-minute flight deals from San Antonio to Las Vegas. Data last updated June 12, 2025 and is based on user searches.

Tue 6/172:55 pmSAT - LAS

Nonstop2h 53mFrontier

Sat 6/219:11 amLAS - SAT

Nonstop2h 49mFrontier

Deal found 6/10

$281

Thu 6/1910:57 pmSAT - LAS

Nonstop3h 00mMultiple Airlines

Tue 7/19:16 amLAS - SAT

Nonstop2h 49mMultiple Airlines

Deal found 6/10

$192

Sun 6/2210:57 pmSAT - LAS

Nonstop3h 00mSpirit Airlines

Wed 6/255:45 amLAS - SAT

1 stop7h 17mSpirit Airlines

Deal found 6/10

$161

Sun 6/296:00 amSAT - LAS

Nonstop2h 45mSouthwest

Wed 7/27:55 amLAS - SAT

Nonstop2h 40mSouthwest

Deal found 6/11

$237

Tue 7/86:12 pmSAT - LAS

1 stop5h 35mAmerican Airlines

Mon 7/1412:59 amLAS - SAT

1 stop5h 26mAmerican Airlines

Deal found 6/10

$177

Tue 7/812:24 pmSAT - LAS

1 stop8h 42mDelta

Mon 7/1412:34 amLAS - SAT

1 stop7h 11mDelta

Deal found 6/9

$207

Sun 7/131:56 pmSAT - LAS

Nonstop2h 50mMultiple Airlines

Tue 7/151:54 pmLAS - SAT

Nonstop2h 42mMultiple Airlines

Deal found 6/11

$117

Mon 7/147:52 pmSAT - LAS

Nonstop3h 00mSpirit Airlines

Wed 7/161:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Deal found 6/9

$107

Thu 7/241:56 pmSAT - LAS

Nonstop2h 50mFrontier

Sun 7/278:16 amLAS - SAT

Nonstop2h 50mFrontier

Deal found 6/12

$230

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 June 12, 2025.

Tue 9/166:00 amSAT - LAS

Nonstop2h 44mSpirit Airlines

Deal found 6/10

$51

Mon 9/11:56 pmSAT - LAS

Nonstop2h 50mFrontier

Deal found 6/12

$68

Mon 7/146:12 pmSAT - LAS

1 stop5h 35mAmerican Airlines

Deal found 6/10

$89

Wed 8/136:40 amSAT - LAS

1 stop9h 26mDelta

Deal found 6/11

$104

Mon 8/187:15 pmSAT - LAS

2 stops6h 00mSouthwest

Deal found 6/10

$109

Wed 8/277:15 amSAT - LAS

1 stop7h 56mUnited Airlines

Deal found 6/12

$119

Wed 6/186:11 amSAT - LAS

1 stop13h 02mMultiple Airlines

Deal found 6/11

$147

Fri 7/46:35 pmSAT - LAS

1 stop16h 46mSun Country Air

Deal found 6/11

$148

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

Mon 7/14

7:52 pm-8:52 pm

Nonstop3h 00m

Las Vegas Harry Reid Intl

Wed 7/16

1:54 pm-6:36 pm

Nonstop2h 42m

$107

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 7/13

1:56 pm-2:46 pm

Nonstop2h 50m

Las Vegas Harry Reid Intl

Tue 7/15

1:54 pm-6:36 pm

Nonstop2h 42m

$117

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 7/8

7:35 pm-11:47 pm

1 stop6h 12m

Las Vegas Harry Reid Intl

Mon 7/14

12:59 am-8:25 am

1 stop5h 26m

$177

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 7/8

12:24 pm-7:06 pm

1 stop8h 42m

Las Vegas Harry Reid Intl

Mon 7/14

12:34 am-9:45 am

1 stop7h 11m

$207

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 7/24

1:56 pm-2:46 pm

Nonstop2h 50m

Las Vegas Harry Reid Intl

Sun 7/27

8:16 am-1:06 pm

Nonstop2h 50m

$230

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 8/28

2:25 pm-5:48 pm

1 stop5h 23m

Las Vegas Harry Reid Intl

Mon 9/1

12:59 am-8:57 am

1 stop5h 58m

$237

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 9/16

6:00 am-6:44 am

Nonstop2h 44m

$51

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 9/1

1:56 pm-2:46 pm

Nonstop2h 50m

$68

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 7/14

6:12 pm-9:47 pm

1 stop5h 35m

$89

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Wed 8/13

6:40 am-7:25 am

Nonstop2h 45m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results

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 access, use the new seven-story parking garage with electric car charging, or opt for economy lots with shuttle service for longer trips.

LAS

For a cost-effective ride from LAS, use rideshare services, but wait to request until near the parking garage to avoid long waits.

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 17% 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 Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Southwest, Delta and United Airlines. 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

4,287 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,950 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Sun Country Air

6.9

Okay

345 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 4 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 309 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 ($107), American Airlines ($177), and Delta ($207) offers the cheapest pricing from San Antonio to Las Vegas. Spirit Airlines is priced at 49% 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?
$51 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 American Airlines, with prices starting from $68 and $89, respectively.
What are the most reliable airlines from San Antonio to Las Vegas?
Consider Spirit Airlines (83%), Southwest (81%) or Frontier (75%) 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 $51. While the most popular route (San Antonio - Las Vegas Harry Reid Intl) can be booked for $98 on average our data indicates $208 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 $50 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 Larimer Square. Travelers on a layover in Denver can visit Coors Field, Paramount Theatre, and Larimer Square, by traveling 18.4 mi, 18.6 mi, and 18.9 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 $54 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
Allegiant Air	Cheapest$63	Average$170	FlexibilityNo cancel fee	On-time88%
Spirit Airlines	Cheapest$73	Average$175	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$73	Average$202	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$191	Average$360	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$196	Average$307	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$246	Average$463	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$259	Average$438	FlexibilityNo cancel fee	On-time63%

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$51+ 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 9/16. 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

1. Tell us where you want to go

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3. Compare prices and book

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

Cheap flight deals from San Antonio to Las Vegas

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Antonio to Las Vegas

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 June 12, 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 June 12, 2025.

Cheapflights Fare Finder

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

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

Frontier

Airports

SAT

LAS

Our travel experts

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.

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?

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 June 9, 2025.

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

What is the cheapest time of day to fly from SAT to LAS?

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 June 12, 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 June 8, 2025.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

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.

What airports do I use to fly from San Antonio to Las Vegas?

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

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

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

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

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

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?

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

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

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

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

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Alternative routes for San Antonio to Las Vegas

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Top 7 airlines flying from San Antonio to Las Vegas

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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 June 12, 2025.