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

This flight path from Las Vegas Harry Reid Intl to San Antonio was viewed by 46 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 Las Vegas to San Antonio round-trip?

Flying on Spirit Airlines is currently your cheapest option to San Antonio, with prices starting at $100. Another option worth looking into is Frontier, starting at $157 round trip. These flights start at 40% lower than the current average price 3 months from now.

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

The cheapest airlines for a one-way flight from Las Vegas to San Antonio are Spirit Airlines ($57), Frontier ($59), and Southwest ($94).

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.

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).

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

Looking for the cheapest flight from Las Vegas to San Antonio? While on average our users pay $166, our data indicates the cheapest price to be $64. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $100.

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

Before booking your flight to San Antonio from Las Vegas, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (88%), Frontier (88%), Southwest( 68%).

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

American Airlines, Frontier and Spirit Airlines are the most popular airlines when flying from Las Vegas to San Antonio.

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

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 51% on the overall cost on flights from Las Vegas to San Antonio.

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

Users have found that booking a flight from Las Vegas to San Antonio at least 58 days early can save you up to 130% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Las Vegas to San Antonio for as little as $112 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $205 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to San Antonio. Flights to San Antonio from Las Vegas in September are about $168 on average during September, but can be found for as low as $44.

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

San Antonio is the airport most travelers will use when flying to San Antonio from Las Vegas Harry Reid Intl. Booking flights from Harry Reid Intl (LAS) to San Antonio (SAT) should be relatively easy as there are 3 daily flights to San Antonio from 4 different airlines. 2h 30m is how long a flight from Las Vegas to San Antonio will take if you book a nonstop flight.

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

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

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

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

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

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

$57+ Flights from Las Vegas to San Antonio

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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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 76 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Las Vegas to San Antonio

Round-trip from	$100 (Expedia)
One-way from	$57 (FlightHub)
Popular in	December
Cheapest in	September
Average price	$149
Good round-trip deal	$146 or less
Good one-way deal	$123 or less

From Las Vegas Harry Reid Intl to San Antonio

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

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Highest demand for flights based on searches. 12% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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

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

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Find flight deals from Las Vegas to San Antonio

Cheapest flights from Las Vegas to San Antonio
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 July 1, 2025.

Tue 8/51:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Tue 8/128:27 pmSAT - LAS

Nonstop2h 58mSpirit Airlines

Deal found 6/29

$100

Thu 8/71:54 pmLAS - SAT

Nonstop2h 42mMultiple Airlines

Sun 8/101:56 pmSAT - LAS

Nonstop2h 50mMultiple Airlines

Deal found 7/1

$118

Sat 7/129:28 amLAS - SAT

Nonstop2h 53mFrontier

Sat 7/193:06 pmSAT - LAS

Nonstop2h 52mFrontier

Deal found 6/30

$157

Best flights from Las Vegas to San Antonio
Discover carefully curated flight deals from Las Vegas to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2025.

Tue 8/51:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Tue 8/128:27 pmSAT - LAS

Nonstop2h 58mSpirit Airlines

Deal found 6/29

$100

Thu 8/71:54 pmLAS - SAT

Nonstop2h 42mMultiple Airlines

Sun 8/101:56 pmSAT - LAS

Nonstop2h 50mMultiple Airlines

Deal found 7/1

$118

Sat 7/129:28 amLAS - SAT

Nonstop2h 53mFrontier

Sat 7/193:06 pmSAT - LAS

Nonstop2h 52mFrontier

Deal found 6/30

$157

Last-minute flights from Las Vegas to San Antonio
Discover last-minute flight deals from Las Vegas to San Antonio. Data last updated July 1, 2025 and is based on user searches.

Thu 7/108:16 amLAS - SAT

Nonstop2h 50mFrontier

Sun 7/131:56 pmSAT - LAS

Nonstop2h 50mFrontier

Deal found 6/30

$162

Fri 7/111:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Tue 7/222:11 pmSAT - LAS

1 stop5h 52mSpirit Airlines

Deal found 6/30

$146

Fri 7/111:54 pmLAS - SAT

Nonstop2h 42mMultiple Airlines

Sat 7/193:06 pmSAT - LAS

Nonstop2h 52mMultiple Airlines

Deal found 6/30

$170

Sat 7/129:28 amLAS - SAT

Nonstop2h 53mFrontier

Sat 7/193:06 pmSAT - LAS

Nonstop2h 52mFrontier

Deal found 6/30

$157

Tue 7/159:37 pmLAS - SAT

1 stop13h 29mMultiple Airlines

Tue 7/223:06 pmSAT - LAS

Nonstop2h 52mMultiple Airlines

Deal found 6/30

$120

Tue 8/51:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Tue 8/128:27 pmSAT - LAS

Nonstop2h 58mSpirit Airlines

Deal found 6/29

$100

One-way flights from Las Vegas to San Antonio
Search for one-way flight options from Las Vegas to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 1, 2025.

Tue 7/221:54 pmLAS - SAT

Nonstop2h 42mSpirit Airlines

Deal found 6/30

$57

Tue 7/229:28 amLAS - SAT

Nonstop2h 53mFrontier

Deal found 7/1

$59

Mon 8/49:05 pmLAS - SAT

Nonstop2h 40mSouthwest

Deal found 6/30

$94

Tue 9/25:19 pmLAS - SAT

1 stop5h 06mDelta

Deal found 6/30

$99

Tue 8/1910:47 amLAS - SAT

2 stops10h 11mUnited Airlines

Deal found 6/30

$109

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Tue 8/5

1:54 pm-6:36 pm

Nonstop2h 42m

San Antonio

Tue 8/12

8:27 pm-9:25 pm

Nonstop2h 58m

$100

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 8/7

1:54 pm-6:36 pm

Nonstop2h 42m

San Antonio

Sun 8/10

1:56 pm-2:46 pm

Nonstop2h 50m

$118

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 7/12

9:28 am-2:21 pm

Nonstop2h 53m

San Antonio

Sat 7/19

3:06 pm-3:58 pm

Nonstop2h 52m

$157

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Tue 7/22

1:54 pm-6:36 pm

Nonstop2h 42m

$57

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Tue 7/22

9:28 am-2:21 pm

Nonstop2h 53m

$59

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Mon 8/4

9:05 pm-1:45 am

Nonstop2h 40m

$94

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Tue 9/2

5:19 pm-12:25 am

1 stop5h 06m

$99

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Tue 8/19

10:47 am-10:58 pm

2 stops10h 11m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

The best insider tips for Las Vegas to San Antonio flights

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

Airlines

Spirit Airlines

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.

Read more about Spirit Airlinesby Daniel Scheffler

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.

Read more about Frontierby Marisa Garcia

Airports

LAS

Use the self-service TSA screening at LAS for a quicker security process. Follow video instructions to prepare your items before x-ray scanning.

SAT

For a quick trip downtown from SAT, take Route 5 bus. It takes about 30 minutes and stops at various points along the way.

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 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?

The best time to book flights from Las Vegas to San Antonio is 76 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?

It’s typically best to fly out from Las Vegas to San Antonio at noon. Doing so could potentially save you 25% 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?

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.

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Las Vegas to San Antonio. 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

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,273 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Delta

8.0

Very good

7,973 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

United Airlines

7.4

Good

8,858 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Spirit Airlines

6.3

Okay

8,101 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Frontier

5.9

Fair

3,291 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

What airports do I use to fly from Las Vegas to San Antonio?
San Antonio is the airport most travelers will use when flying to San Antonio from Las Vegas Harry Reid Intl. Booking flights from Harry Reid Intl (LAS) to San Antonio (SAT) should be relatively easy as there are 3 daily flights to San Antonio from 4 different airlines. 2h 30m is how long a flight from Las Vegas to San Antonio will take if you book a nonstop flight.
How popular is this Las Vegas to San Antonio flight route?
This flight path from Las Vegas Harry Reid Intl to San Antonio was viewed by 46 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 Las Vegas to San Antonio round-trip?
Flying on Spirit Airlines is currently your cheapest option to San Antonio, with prices starting at $100. Another option worth looking into is Frontier, starting at $157 round trip. These flights start at 40% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Las Vegas to San Antonio one-way?
The cheapest airlines for a one-way flight from Las Vegas to San Antonio are Spirit Airlines ($57), Frontier ($59), and Southwest ($94).
What are the most reliable airlines from Las Vegas to San Antonio?
Before booking your flight to San Antonio from Las Vegas, check out the most reliable airlines to get you to your destination on time: Spirit Airlines (88%), Frontier (88%), Southwest( 68%).
What are the cheapest flights from Las Vegas to San Antonio?
Looking for the cheapest flight from Las Vegas to San Antonio? While on average our users pay $166, our data indicates the cheapest price to be $64. The most popular route (Las Vegas Harry Reid Intl - San Antonio), is priced around $100.
Can I find deals for flights from Las Vegas to San Antonio that include hotel bookings?
Yes. In addition to deals on Las Vegas to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to San Antonio.
Can I find deals for business class flights from Las Vegas to San Antonio?
Yes. Cheapflights offers flight deals from Las Vegas to San Antonio 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 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.

See more FAQs

New Braunfels

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Alternative routes for Las Vegas to San Antonio

Other flights to San Antonio

Top 4 airlines flying from Las Vegas to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$69	Average$137	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$76	Average$164	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$176	Average$442	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$240	Average$384	FlexibilityNo cancel fee	On-time63%

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$57+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Antonio are usually found in September or October, booked 76 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Las Vegas to San Antonio

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 July 1, 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 July 1, 2025.

Cheapflights Fare Finder

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

The best insider tips for Las Vegas to San Antonio flights

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

Airlines

Spirit Airlines

Frontier

Airports

LAS

SAT

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.

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 June 27, 2025.

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

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 July 1, 2025.

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 June 29, 2025.

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Las Vegas to San Antonio. 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.

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.

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

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

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

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

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

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

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

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

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

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

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Alternative routes for Las Vegas to San Antonio

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Top 4 airlines flying from Las Vegas to San Antonio

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Cheapest flights from Las Vegas to San Antonio
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 July 1, 2025.