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Cheap flights from Las Vegas to San Antonio from $59

This is the cheapest round-trip 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 9/6. 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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Cheap round-trip flights

Frontier Logo
11:00 am - 3:50 pmLAS-SAT
2h 50mnonstop
Frontier Logo
2:01 pm - 2:56 pmSAT-LAS
2h 55mnonstop
$59Frontier
Find Deal
Sat, Sep 6 - Mon, Sep 8
Frontier Logo
8:27 am - 1:16 pmLAS-SAT
2h 49mnonstop
Frontier Logo
2:01 pm - 2:56 pmSAT-LAS
2h 55mnonstop
$67Frontier
Find Deal
Fri, Sep 12 - Mon, Sep 15
Frontier Logo
3:55 pm - 8:48 pmLAS-SAT
2h 53mnonstop
Frontier Logo
4:45 pm - 5:40 pmSAT-LAS
2h 55mnonstop
$69Frontier
Find Deal
Thu, Sep 11 - Sat, Sep 13
Frontier Logo
11:00 am - 3:50 pmLAS-SAT
2h 50mnonstop
Frontier Logo
2:08 pm - 3:03 pmSAT-LAS
2h 55mnonstop
$77Frontier
Find Deal
Sat, Sep 27 - Sun, Oct 5
Frontier Logo
8:27 am - 1:16 pmLAS-SAT
2h 49mnonstop
Frontier Logo
2:08 pm - 3:03 pmSAT-LAS
2h 55mnonstop
$78Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
Spirit Airlines Logo
12:10 am - 4:47 amLAS-SAT
2h 37mnonstop
Spirit Airlines Logo
6:00 am - 6:44 amSAT-LAS
2h 44mnonstop
$104Spirit Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
Spirit Airlines Logo
12:00 pm - 4:47 pmLAS-SAT
2h 47mnonstop
Spirit Airlines Logo
9:47 pm - 10:40 pmSAT-LAS
2h 53mnonstop
$113Spirit Airlines
Find Deal
Fri, Sep 12 - Fri, Sep 19
Spirit Airlines Logo
4:05 pm - 8:52 pmLAS-SAT
2h 47mnonstop
Spirit Airlines Logo
9:47 pm - 10:40 pmSAT-LAS
2h 53mnonstop
$115Spirit Airlines
Find Deal
Fri, Sep 12 - Wed, Sep 17
Logo
12:10 am - 4:47 amLAS-SAT
2h 37mnonstop
Logo
9:33 pm - 10:27 pmSAT-LAS
2h 54mnonstop
$118
Find Deal
Sat, Oct 4 - Sun, Oct 5
Spirit Airlines Logo
4:05 pm - 8:52 pmLAS-SAT
2h 47mnonstop
Spirit Airlines Logo
9:47 pm - 10:40 pmSAT-LAS
2h 53mnonstop
$124Spirit Airlines
Find Deal
Thu, Sep 11 - Wed, Sep 17

Frontier flights from Las Vegas to San Antonio

Our best Frontier deals on Las Vegas to San Antonio flight tickets
Frontier
Sep 6
LAS11:00 amLas Vegas Harry Reid Intl
2h 50m
SAT3:50 pmSan Antonio
Sep 8
SAT2:01 pmSan Antonio
2h 55m
LAS2:56 pmLas Vegas Harry Reid Intl
$59
Find similar
Frontier
Sep 12
LAS8:27 amLas Vegas Harry Reid Intl
2h 49m
SAT1:16 pmSan Antonio
Sep 15
SAT2:01 pmSan Antonio
2h 55m
LAS2:56 pmLas Vegas Harry Reid Intl
$67
Find similar
Frontier
Sep 11
LAS3:55 pmLas Vegas Harry Reid Intl
2h 53m
SAT8:48 pmSan Antonio
Sep 13
SAT4:45 pmSan Antonio
2h 55m
LAS5:40 pmLas Vegas Harry Reid Intl
$69
Find similar

Spirit Airlines flights from Las Vegas to San Antonio

Our best Spirit Airlines deals on Las Vegas to San Antonio flight tickets
Spirit Airlines
Oct 31
LAS12:10 amLas Vegas Harry Reid Intl
2h 37m
SAT4:47 amSan Antonio
Nov 4
SAT6:00 amSan Antonio
2h 44m
LAS6:44 amLas Vegas Harry Reid Intl
$104
Find similar
Spirit Airlines
Sep 12
LAS12:00 pmLas Vegas Harry Reid Intl
2h 47m
SAT4:47 pmSan Antonio
Sep 19
SAT9:47 pmSan Antonio
2h 53m
LAS10:40 pmLas Vegas Harry Reid Intl
$113
Find similar
Spirit Airlines
Sep 12
LAS4:05 pmLas Vegas Harry Reid Intl
2h 47m
SAT8:52 pmSan Antonio
Sep 17
SAT9:47 pmSan Antonio
2h 53m
LAS10:40 pmLas Vegas Harry Reid Intl
$115
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 August 29, 2025.
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

Sat 9/6

11:00 am-3:50 pm

Nonstop2h 50m

San Antonio

Mon 9/8

2:01 pm-2:56 pm

Nonstop2h 55m

$59

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/12

8:27 am-1:16 pm

Nonstop2h 49m

San Antonio

Mon 9/15

2:01 pm-2:56 pm

Nonstop2h 55m

$67

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 9/11

3:55 pm-8:48 pm

Nonstop2h 53m

San Antonio

Sat 9/13

4:45 pm-5:40 pm

Nonstop2h 55m

$69

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 9/27

11:00 am-3:50 pm

Nonstop2h 50m

San Antonio

Sun 10/5

2:08 pm-3:03 pm

Nonstop2h 55m

$77

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/12

8:27 am-1:16 pm

Nonstop2h 49m

San Antonio

Sun 9/14

2:08 pm-3:03 pm

Nonstop2h 55m

$78

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 10/31

12:10 am-4:47 am

Nonstop2h 37m

San Antonio

Tue 11/4

6:00 am-6:44 am

Nonstop2h 44m

$104

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/12

12:00 pm-4:47 pm

Nonstop2h 47m

San Antonio

Fri 9/19

9:47 pm-10:40 pm

Nonstop2h 53m

$113

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Fri 9/12

4:05 pm-8:52 pm

Nonstop2h 47m

San Antonio

Wed 9/17

9:47 pm-10:40 pm

Nonstop2h 53m

$115

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Sat 10/4

12:10 am-4:47 am

Nonstop2h 37m

San Antonio

Sun 10/5

9:33 pm-10:27 pm

Nonstop2h 54m

$118

Las VegasSan Antonio

LAS - SAT

LASSAT

Las Vegas Harry Reid Intl

Thu 9/11

4:05 pm-8:52 pm

Nonstop2h 47m

San Antonio

Wed 9/17

9:47 pm-10:40 pm

Nonstop2h 53m

$124

Flights are sorted by cheapest round-trip flights 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 $132.

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 Saturday when prices can be found for as low as $150. 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 $125. 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 morning, with an average ticket price of $176. Departure times in the morning 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 $181 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 is only 1 cabin class 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 August 2025, prices for Las Vegas to San Antonio flights are approximately 21% 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

$83

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 $83. The best round-trip flight deal from Las Vegas to San Antonio found on momondo in the last 72 hours is $110.
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 near San Antonio: 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 37m.

  • 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
5.8
3,205 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $78Free CancellationRating
6.3
8,021 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $172Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,979 reviews
Search Delta flights
SouthwestPriceFrom $229Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From Las Vegas to San Antonio

    Across 26 Southwest flights from Las Vegas to San Antonio this week, the average price was $373, with the best Southwest deals starting from $229 round-trip. 4,242 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 $78, round-trip. It should be noted that an average Spirit Airlines flight deal for this route in this time was higher, at $170 round-trip. Spirit Airlines operates 2 flights out of Las Vegas into San Antonio in an average week, so prices vary by time and availability. 8,021 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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