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$49+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — LAS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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
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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

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$91
(Booking.com)

One-way from

$62
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$248

Good round-trip deal

$142 or less

Good one-way deal

$80 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. 12% potential increase in price ($30 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 March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Thu 4/241:37 pmSAT - LAS
Nonstop3h 10mMultiple Airlines
Mon 4/285:00 amLAS - SAT
Nonstop2h 32mMultiple Airlines
Deal found 3/27$94
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Thu 4/34:34 pmSAT - LAS
Nonstop3h 05mFrontier
Sat 4/52:28 pmLAS - SAT
Nonstop2h 44mFrontier
Deal found 3/27$96
This eDestinos deal was found by Cheapflights users on 3/27. 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.
Wed 4/237:25 pmSAT - LAS
Nonstop2h 58mSpirit Airlines
Sun 4/2711:59 pmLAS - SAT
Nonstop2h 35mSpirit Airlines
Deal found 3/27$97
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:55 amSAT - LAS
Nonstop2h 55mSouthwest
Sat 5/36:15 pmLAS - SAT
Nonstop2h 40mSouthwest
Deal found 3/27$255

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 March 28, 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 5/9

10:51 pm-11:48 pm

Nonstop2h 57m

Las Vegas Harry Reid Intl

Sun 5/11

12:33 am-5:04 am

Nonstop2h 31m

$91

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 4/24

1:37 pm-2:47 pm

Nonstop3h 10m

Las Vegas Harry Reid Intl

Wed 4/30

11:59 pm-4:34 am

Nonstop2h 35m

$94

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 4/10

4:39 pm-5:44 pm

Nonstop3h 05m

Las Vegas Harry Reid Intl

Fri 4/11

12:03 pm-4:47 pm

Nonstop2h 44m

$98

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sat 4/26

6:55 am-7:50 am

Nonstop2h 55m

Las Vegas Harry Reid Intl

Sat 5/3

6:15 pm-10:55 pm

Nonstop2h 40m

$255

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 4/3

4:34 pm-5:39 pm

Nonstop3h 05m

$49

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 5/1

5:39 am-6:36 am

Nonstop2h 57m

$62

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Fri 5/30

6:45 pm-9:58 am

1 stop17h 13m

$150

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 6/12

6:17 pm-10:49 pm

1 stop6h 32m

$153

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 5/27

6:20 pm-9:55 pm

2 stops5h 35m

$163

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 6/5

7:00 am-11:36 pm

2 stops42h 36m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
JustAirTicketPrice 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 FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for 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

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
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.

Read more about SATby Ramsey Qubein
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.

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

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

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 March 21, 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 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?

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 March 28, 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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 13% 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 March 23, 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. 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

Explore weekly flight availability from San Antonio to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 28, 2025.

The most flights from SAT to LAS are scheduled on a Thursday (9 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

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

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

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 March 28, 2025.
To help decide which airline to fly from San Antonio to Las Vegas, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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
8.1
Very good
4,274 reviews

Entertainment

7.6

Overall

8.1

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

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 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 319 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 ($91), Frontier ($98), and Southwest ($255) offers the cheapest pricing from San Antonio to Las Vegas. Spirit Airlines is priced at 55% 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?

    $62 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 Sun Country Air, with prices starting from $99 and $150, respectively.

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

    Consider Frontier (92%), Southwest (84%) or Spirit Airlines (69%) 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 $52. While the most popular route (San Antonio - Las Vegas Harry Reid Intl) can be booked for $85 on average our data indicates $182 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 $64 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 $56 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

Traveling to a place near San Antonio?

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

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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

Discover the top 7 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$194FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$73Average$172FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$84Average$144FlexibilityNo cancel feeOn-time88%
DeltaCheapest$196Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$401FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$254Average$443FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$254Average$486FlexibilityNo cancel feeOn-time69%
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