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Cheap flights from Las Vegas to San Antonio from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to San Antonio departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Las Vegas to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:45 am - 12:25 pm
LAS
-
SAT
2h 40mnonstop
Frontier Logo
1:15 pm - 2:22 pm
SAT
-
LAS
3h 07mnonstop
$77Frontier
Fri, Jan 30 - Sun, Feb 1
Frontier Logo
4:06 pm - 8:45 pm
LAS
-
SAT
2h 39mnonstop
Frontier Logo
11:35 am - 12:41 pm
SAT
-
LAS
3h 06mnonstop
$78Frontier
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
8:30 am - 1:11 pm
LAS
-
SAT
2h 41mnonstop
Frontier Logo
8:24 pm - 8:27 am
SAT
-
LAS
14h 03m1 stop
$97Frontier
Thu, Jan 22 - Sun, Jan 25
Frontier Logo
4:25 pm - 9:04 pm
LAS
-
SAT
2h 39mnonstop
Frontier Logo
9:41 pm - 10:45 pm
SAT
-
LAS
3h 04mnonstop
$103Frontier
Fri, Jan 23 - Mon, Jan 26
Frontier Logo
12:59 am - 7:30 pm
LAS
-
SAT
16h 31m1 stop
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
$110Frontier
Wed, Feb 18 - Mon, Feb 23
Frontier Logo
5:10 pm - 9:53 pm
LAS
-
SAT
2h 43mnonstop
Frontier Logo
11:35 am - 12:41 pm
SAT
-
LAS
3h 06mnonstop
$112Frontier
Fri, Feb 20 - Sun, Feb 22
Frontier Logo
4:25 pm - 9:04 pm
LAS
-
SAT
2h 39mnonstop
Frontier Logo
8:24 pm - 11:39 pm
SAT
-
LAS
5h 15m1 stop
$121Frontier
Fri, Jan 30 - Mon, Feb 2
Frontier Logo
8:23 pm - 8:45 am
LAS
-
SAT
10h 22m1 stop
Frontier Logo
11:35 am - 12:41 pm
SAT
-
LAS
3h 06mnonstop
$128Frontier
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
8:35 pm - 7:37 pm
LAS
-
SAT
21h 02m1 stop
Frontier Logo
11:35 am - 12:41 pm
SAT
-
LAS
3h 06mnonstop
$129Frontier
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
4:17 pm - 7:33 pm
LAS
-
SAT
25h 16m1 stop
Frontier Logo
1:15 pm - 2:22 pm
SAT
-
LAS
3h 07mnonstop
$133Frontier
Wed, Feb 4 - Sun, Feb 8

Frontier flights from Las Vegas to San Antonio

Our best Frontier deals on Las Vegas to San Antonio flight tickets
Frontier
Jan 30
LAS7:45 amLas Vegas Harry Reid Intl
2h 40m
SAT12:25 pmSan Antonio
Feb 1
SAT1:15 pmSan Antonio
3h 07m
LAS2:22 pmLas Vegas Harry Reid Intl
$77
Find similar
Frontier
Feb 19
LAS4:06 pmLas Vegas Harry Reid Intl
2h 39m
SAT8:45 pmSan Antonio
Feb 22
SAT11:35 amSan Antonio
3h 06m
LAS12:41 pmLas Vegas Harry Reid Intl
$78
Find similar
Frontier
Jan 23
LAS4:25 pmLas Vegas Harry Reid Intl
2h 39m
SAT9:04 pmSan Antonio
Jan 26
SAT9:41 pmSan Antonio
3h 04m
LAS10:45 pmLas Vegas Harry Reid Intl
$103
Find similar

American Airlines flights from Las Vegas to San Antonio

Our best American Airlines deals on Las Vegas to San Antonio flight tickets
American Airlines
Feb 12
LAS5:44 amLas Vegas Harry Reid Intl
5h 06m
1 stop
SAT12:50 pmSan Antonio
Feb 17
SAT3:15 pmSan Antonio
7h 54m
1 stop
LAS9:09 pmLas Vegas Harry Reid Intl
$191
Find similar
American Airlines
Feb 11
LAS6:00 amLas Vegas Harry Reid Intl
7h 45m
1 stop
SAT3:45 pmSan Antonio
Feb 11
SAT6:01 pmSan Antonio
6h 36m
1 stop
LAS10:37 pmLas Vegas Harry Reid Intl
$201
Find similar
American Airlines
Feb 3
LAS6:22 amLas Vegas Harry Reid Intl
4h 25m
1 stop
SAT12:47 pmSan Antonio
Feb 10
SAT3:07 pmSan Antonio
6h 15m
1 stop
LAS7:22 pmLas Vegas Harry Reid Intl
$207
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated January 6, 2026.
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

Fri 1/30

7:45 am-12:25 pm

Nonstop2h 40m

San Antonio

Sun 2/1

1:15 pm-2:22 pm

Nonstop3h 07m

$77

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 2/19

4:06 pm-8:45 pm

Nonstop2h 39m

San Antonio

Sun 2/22

11:35 am-12:41 pm

Nonstop3h 06m

$78

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 1/22

8:30 am-1:11 pm

Nonstop2h 41m

San Antonio

Sun 1/25

8:24 pm-8:27 am

1 stop14h 03m

$97

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 1/23

4:25 pm-9:04 pm

Nonstop2h 39m

San Antonio

Mon 1/26

9:41 pm-10:45 pm

Nonstop3h 04m

$103

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 2/18

12:59 am-7:30 pm

1 stop16h 31m

San Antonio

Mon 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

$110

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 2/20

5:10 pm-9:53 pm

Nonstop2h 43m

San Antonio

Sun 2/22

11:35 am-12:41 pm

Nonstop3h 06m

$112

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 1/30

4:25 pm-9:04 pm

Nonstop2h 39m

San Antonio

Mon 2/2

8:24 pm-11:39 pm

1 stop5h 15m

$121

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 2/19

8:23 pm-8:45 am

1 stop10h 22m

San Antonio

Sun 2/22

11:35 am-12:41 pm

Nonstop3h 06m

$128

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 2/19

8:35 pm-7:37 pm

1 stop21h 02m

San Antonio

Sun 2/22

11:35 am-12:41 pm

Nonstop3h 06m

$129

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Wed 2/4

4:17 pm-7:33 pm

1 stop25h 16m

San Antonio

Sun 2/8

1:15 pm-2:22 pm

Nonstop3h 07m

$133

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Las Vegas to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of September, then book flights to San Antonio from Las Vegas during October instead. Flights to San Antonio in October, while not as cheap as those in September, still average around $152.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Friday when prices can be found for as low as $146. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $232.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Las Vegas to San Antonio in the afternoon for as low as $164. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the evening, with an average ticket price of $171. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Las Vegas Harry Reid Intl to San Antonio flight route?

Fly from Las Vegas Harry Reid Intl to San Antonio for the best Las Vegas Harry Reid Intl - San Antonio flight prices

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

You are more likely to see cheaper flights to San Antonio from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $179 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Las Vegas for as low as $98 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to San Antonio flights?

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Las Vegas to San Antonio flight prices changed over time?

As of January 2026, prices for Las Vegas to San Antonio flights are approximately 49% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to San Antonio (LAS to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to San Antonio

Best Price Found

$78

Fastest flight time

2h 30m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Las Vegas in the past 72 hours is $78. The best round-trip flight deal from Las Vegas to San Antonio found on momondo in the last 72 hours is $96.
The fastest flight from Las Vegas to San Antonio takes 2h 30m
Direct flights go from Las Vegas to San Antonio every day.
There is 1 airport in San Antonio. From Las Vegas there are direct flights to San Antonio (SAT).
Search flight deals

  • How far is Las Vegas Harry Reid Intl to San Antonio by plane?

    The straight-line distance from Las Vegas Harry Reid Intl to San Antonio is 1070.5 mi. By plane, this route typically takes 2h 30m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to San Antonio Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to San Antonio Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to San Antonio?

  • What is the most popular airline from Las Vegas to San Antonio?

Best airlines flying from Las Vegas to San Antonio

Compare and see reviews for airlines that fly from Las Vegas to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $69Free CancellationRating
5.7
3,064 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,279 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,085 reviews
Search American Airlines flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,247 reviews
Search Southwest flights

  • Southwest Flights From Las Vegas to San Antonio

    Across 15 Southwest flights from Las Vegas to San Antonio this week, the average price was $366, with the best Southwest deals starting from $187 round-trip. 4,247 users have rated Southwest on momondo, with an average score of 8.0/10.

  • Spirit Airlines Flights From Las Vegas to San Antonio

    The best Spirit Airlines deal for Las Vegas to San Antonio flight tickets found on momondo in the last 72 hours was $86, round-trip. It should be noted that an average Spirit Airlines flight deal for this route in this time was higher, at $169 round-trip. Spirit Airlines operates 3 flights out of Las Vegas into San Antonio in an average week, so prices vary by time and availability. 8,276 Spirit Airlines reviews by users on momondo have scored the airline at 6.3/10.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Las Vegas to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Las Vegas to San Antonio with flexible booking policies on momondo?

Flights from Las Vegas to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Las Vegas to San Antonio?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Las Vegas.

I’m not ready to book a flight from Las Vegas to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Las Vegas and alert you when they change.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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