Spirit's Big Front Seats offer 11 inches more legroom, ideal for added comfort.
Use Spirit's self-service bag drop for faster check-in and avoid counter fees.
$52+ Cheap flights from Las Vegas to San Antonio (LAS - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SAT
May 17 — May 241
1 adult, Economy
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Find cheap flights from Las Vegas to San Antonio 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 Las Vegas Harry Reid Intl to San Antonio are usually found in September or October, booked 50 days in advance, depart on a Wednesday or Saturday and return on a Tuesday
Cheap flight deals from Las Vegas to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to San Antonio (SAT). 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 May 12, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $92 (Frontier) |
One-way from | $52 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $155 |
Good round-trip deal | $110 or less |
Good one-way deal | $71 or less |
Find flight deals from Las Vegas to San Antonio
Cheapest flights from Las Vegas to San AntonioExplore the most affordable flight options available from Las Vegas to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.
Explore the most affordable flight options available from Las Vegas to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/318:40 amLAS - SAT
Nonstop2h 43mFrontier
Sun 6/12:09 pmSAT - LAS
Nonstop2h 53mFrontier
Deal found 5/11![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2812:33 amLAS - SAT
Nonstop2h 31mSpirit Airlines
Wed 6/42:37 pmSAT - LAS
Nonstop2h 59mSpirit Airlines
Deal found 5/10![Spirit Airlines logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/318:40 amLAS - SAT
Nonstop2h 43mMultiple Airlines
Mon 6/210:51 pmSAT - LAS
Nonstop2h 57mMultiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$99
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1112:50 amLAS - SAT
1 stop9h 05mDelta
Mon 6/166:03 pmSAT - LAS
1 stop7h 22mDelta
Deal found 5/11![Delta logo]()
$207
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2212:59 amLAS - SAT
1 stop5h 26mAmerican Airlines
Wed 6/257:24 pmSAT - LAS
1 stop5h 25mAmerican Airlines
Deal found 5/11![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/107:25 pmLAS - SAT
Nonstop2h 40mSouthwest
Mon 6/169:50 pmSAT - LAS
Nonstop2h 45mSouthwest
Deal found 5/11![Southwest logo]()
$307
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas to San Antonio 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 May 12, 2025.
Use the filters below to find and compare flights from Las Vegas to San Antonio that are best for you.
Fly from
Las Vegas
Fly to
San Antonio
Route
Depart
Return
Price
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Sat 5/31
8:40 am-1:23 pm
Nonstop2h 43m
San Antonio
Sun 6/1
2:09 pm-3:02 pm
Nonstop2h 53m
$92
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Wed 5/28
12:33 am-5:04 am
Nonstop2h 31m
San Antonio
Wed 6/4
2:37 pm-3:36 pm
Nonstop2h 59m
$93
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Sat 5/31
8:40 am-1:23 pm
Nonstop2h 43m
San Antonio
Mon 6/2
10:51 pm-11:48 pm
Nonstop2h 57m
$99
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Wed 6/11
12:50 am-11:55 am
1 stop9h 05m
San Antonio
Mon 6/16
6:03 pm-11:25 pm
1 stop7h 22m
$207
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Sun 6/22
12:59 am-8:25 am
1 stop5h 26m
San Antonio
Wed 6/25
7:24 pm-10:49 pm
1 stop5h 25m
$277
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Tue 6/10
7:25 pm-12:05 am
Nonstop2h 40m
San Antonio
Mon 6/16
9:50 pm-10:35 pm
Nonstop2h 45m
$307
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Sat 5/31
12:33 am-5:04 am
Nonstop2h 31m
$52
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Tue 7/29
10:30 am-3:10 pm
Nonstop2h 40m
$94
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Sun 6/15
8:15 am-1:03 pm
Nonstop2h 48m
$102
Las VegasSan Antonio
LAS - SAT
LASSAT
Las Vegas Harry Reid Intl
Tue 6/17
12:50 am-11:55 am
1 stop9h 05m
$104
Showing 1-10 of 14 results
Compare providers for flights from Las Vegas to San Antonio
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 Las Vegas to San Antonio in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Las Vegas-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Las Vegas-San Antonio flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Las Vegas-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Las Vegas-San Antonio 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 Las Vegas-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
The best insider tips for Las Vegas to San Antonio 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 Las Vegas to San Antonio trip
Airlines
![Spirit Airlines]()
Spirit Airlines
![Frontier]()
Frontier
Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.
Frontier's Discount Den offers Kids Fly Free, ideal for family travel savings.
Airports
Our travel experts
Best time to book a flight from Las Vegas to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to San Antonio
How far ahead should I book a flight from Las Vegas to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to San Antonio. Price data was last updated on May 9, 2025.
The best time to book flights from Las Vegas to San Antonio is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Las Vegas to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Las Vegas to San Antonio (average of $295). Flying from Las Vegas to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LAS to SAT?
Find hourly flight availability from Las Vegas to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2025.
It’s typically best to fly out from Las Vegas to San Antonio at noon. Doing so could potentially save you 22% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from Las Vegas to San Antonio?
Use this chart to determine the cheapest time to fly round-trip from Las Vegas to San Antonio. Price data was last updated on May 11, 2025.
Travelers seeking maximum savings on their Las Vegas to San Antonio flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Las Vegas to San Antonio
Explore weekly flight availability from Las Vegas to San Antonio. 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 May 12, 2025.
The most flights from LAS to SAT are scheduled on a Sunday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in San Antonio by month
Plan your trip to San Antonio by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.
Temperature in San Antonio by month
Plan your trip to San Antonio by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated May 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Las Vegas to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsNew Braunfels
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Alternative routes for Las Vegas to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Las Vegas to San Antonio
Discover the top 5 airlines that operate flights from Las Vegas to San Antonio. 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 May 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$128 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$75 | Average$156 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$77 | Average$147 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$189 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$396 | FlexibilityNo cancel fee | On-time63% |