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$45+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LAS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find cheap flights from San Antonio to Las Vegas with Cheapflights

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 San Antonio to Las Vegas Harry Reid Intl are usually found in September or May, booked 83 days in advance, depart on a Tuesday or Sunday and return on a Saturday

Cheap flight deals from San Antonio to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$100
(Cheapflightsfares)

One-way from

$45
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$218

Good round-trip deal

$159 or less

Good one-way deal

$87 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. 1% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:37 pmSAT - LAS
Nonstop2h 58mSpirit Airlines
Sun 12/77:05 amLAS - SAT
Nonstop2h 37mSpirit Airlines
Deal found 11/12$100
This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:50 pmSAT - LAS
Nonstop3h 00mFrontier
Thu 11/2712:59 amLAS - SAT
1 stop21h 21mFrontier
Deal found 11/12$102
This FlightHub deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:51 pmSAT - LAS
Nonstop3h 03mMultiple Airlines
Tue 12/912:24 pmLAS - SAT
Nonstop2h 41mMultiple Airlines
Deal found 11/12$103
This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:51 pmSAT - LAS
Nonstop3h 03mFrontier
Sat 12/66:00 amLAS - SAT
1 stop25h 30mFrontier
Deal found 11/12$105
This FlightHub deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:14 pmSAT - LAS
Nonstop3h 00mFrontier
Wed 11/266:00 amLAS - SAT
1 stop9h 27mFrontier
Deal found 11/11$107
This eDestinos deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:01 pmSAT - LAS
Nonstop3h 04mFrontier
Thu 12/2512:59 amLAS - SAT
1 stop8h 22mFrontier
Deal found 11/11$108
This CheapOair deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:55 pmSAT - LAS
1 stop14h 43mFrontier
Fri 12/198:37 amLAS - SAT
Nonstop2h 39mFrontier
Deal found 11/12$109
This Priceline deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:43 pmSAT - LAS
1 stop5h 59mMultiple Airlines
Wed 12/1012:24 pmLAS - SAT
Nonstop2h 41mMultiple Airlines
Deal found 11/10$110
This FlightHub deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:39 amSAT - LAS
Nonstop3h 00mMultiple Airlines
Tue 12/26:40 amLAS - SAT
1 stop8h 32mMultiple Airlines
Deal found 11/12$111
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:22 pmSAT - LAS
1 stop6h 33mFrontier
Fri 11/286:00 amLAS - SAT
Nonstop2h 44mFrontier
Deal found 11/12$112
This Kiwi.com deal was found by Cheapflights users on 11/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/233:23 pmSAT - LAS
Nonstop3h 03mMultiple Airlines
Tue 11/2512:59 amLAS - SAT
1 stop7h 11mMultiple Airlines
Deal found 11/13$114
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:37 pmSAT - LAS
Nonstop2h 58mMultiple Airlines
Thu 12/1812:59 amLAS - SAT
1 stop8h 22mMultiple Airlines
Deal found 11/12$115

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from San Antonio to Las Vegas that are best for you.

Fly from

San Antonio

Fly to

Las Vegas

Route

Depart

Return

Price

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Fri 1/9

6:55 am-7:55 am

Nonstop3h 00m

Las Vegas Harry Reid Intl

Sun 1/11

7:10 am-11:40 am

Nonstop2h 30m

$137

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Fri 12/12

12:37 pm-1:35 pm

Nonstop2h 58m

Las Vegas Harry Reid Intl

Sun 12/14

9:10 am-11:08 am

2 stops23h 58m

$165

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Wed 12/24

2:09 pm-7:30 pm

1 stop7h 21m

Las Vegas Harry Reid Intl

Sun 12/28

6:30 am-11:21 am

2 stops26h 51m

$192

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Fri 2/6

2:42 pm-8:44 pm

1 stop8h 02m

Las Vegas Harry Reid Intl

Mon 2/9

10:15 pm-10:02 am

1 stop9h 47m

$197

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 1/19

6:29 pm-11:32 pm

1 stop7h 03m

Las Vegas Harry Reid Intl

Tue 1/20

10:15 pm-10:02 am

1 stop9h 47m

$197

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 12/11

4:59 pm-11:38 pm

1 stop8h 39m

Las Vegas Harry Reid Intl

Tue 12/16

12:44 am-10:31 am

1 stop7h 47m

$223

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 12/7

6:22 pm-12:27 am

1 stop8h 05m

Las Vegas Harry Reid Intl

Mon 12/8

10:15 pm-10:31 am

1 stop10h 16m

$223

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Wed 12/17

1:06 pm-9:47 pm

1 stop10h 41m

Las Vegas Harry Reid Intl

Sun 12/21

10:17 am-9:53 pm

1 stop9h 36m

$223

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sat 12/13

5:55 pm-12:29 am

1 stop8h 34m

Las Vegas Harry Reid Intl

Tue 12/16

12:44 am-12:11 pm

1 stop9h 27m

$231

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 12/11

4:59 pm-11:38 pm

1 stop8h 39m

Las Vegas Harry Reid Intl

Fri 12/12

12:44 am-10:36 am

1 stop7h 52m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 24 results
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Compare providers for flights from San Antonio to Las Vegas

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 San Antonio to Las Vegas in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Antonio-Las Vegas flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

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?

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 November 7, 2025.

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 83 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, June is the cheapest month in which you can book a flight from San Antonio to Las Vegas (average of $55). Flying from San Antonio to Las Vegas in December is currently the most expensive (average of $101). 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?

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 November 13, 2025.

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 25% on airfare.

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 November 2, 2025.

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. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for San Antonio to Las Vegas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your 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
Southwest

Southwest offers free messaging and high-speed Wi-Fi for a fee, keeping you connected.


Southwest's open seating policy allows you to choose any available seat upon boarding.

Read more about Southwestby 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.

Read more about SATby Ramsey Qubein
LAS

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

Read more about LASby Ramsey Qubein
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on SAT and LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated November 13, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from San Antonio to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

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
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

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
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

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.
Spirit Airlines
6.3
Okay
8,139 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

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.
Frontier
5.8
Fair
3,109 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

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

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?

    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 6 different airlines have flights from San Antonio (SAT) to Harry Reid Intl (LAS) on a regular basis. There are 6 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 50m.

  • 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 302 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 San Antonio to Las Vegas?

    For as low as $137, Southwest can have you in Las Vegas from San Antonio in 3h. Airlines will cover a distance of 1067 mi. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($86), Spirit Airlines ($86), and Delta ($147) offers the cheapest pricing from San Antonio to Las Vegas. Frontier is priced at 62% lower than the current average price of a flight leaving 3 months from now.

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

    Consider Southwest (83%), Frontier (79%) or Spirit Airlines (72%) 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 $39. While the most popular route (San Antonio - Las Vegas Harry Reid Intl) can be booked for $74 on average, our data indicates $194 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.

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

    Chase Field, Desert Ridge Marketplace, and Heritage Square 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 Heritage Square can be accessed by traveling approximately 4.0 mi, 16.7 mi, and 4.0 mi, respectively from Phoenix Sky Harbor Intl. Travelers can rent a car at Phoenix Sky Harbor Intl for an average daily rate of $58 to make sightseeing during their layover a little easier.

  • 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 Dallas.

  • 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, June is the cheapest month in which you can book a flight from San Antonio to Las Vegas (average of $55). Flying from San Antonio to Las Vegas in December is currently the most expensive (average of $101). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Henderson
North Las Vegas
Winchester
Kingman
Sunrise Manor
Primm
Mount Charleston
Mesquite
Needles
Boulder City

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Alternative routes for San Antonio to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from San Antonio to Las Vegas

Discover the top 6 airlines that operate flights from San Antonio to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$86Average$180FlexibilityNo cancel feeOn-time65%
DeltaCheapest$147Average$286FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$150Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$178Average$350FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$225Average$424FlexibilityNo cancel feeOn-time63%

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