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Cheap flights from San Antonio to Las Vegas from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Las Vegas departing on 3/22. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
11:07 am - 3:47 pm
LAS
-
SAT
2h 40mnonstop
$86Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
11:07 am - 3:47 pm
LAS
-
SAT
2h 40mnonstop
$87Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
3:50 pm - 4:56 pm
SAT
-
LAS
3h 06mnonstop
Frontier Logo
11:07 am - 3:47 pm
LAS
-
SAT
2h 40mnonstop
$89Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
11:35 am - 12:41 pm
SAT
-
LAS
3h 06mnonstop
Frontier Logo
6:30 am - 5:15 pm
LAS
-
SAT
8h 45m
1 stop
$93Frontier
Sun, Mar 1 - Wed, Mar 4
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
4:06 pm - 8:45 pm
LAS
-
SAT
2h 39mnonstop
$97Frontier
Mon, Feb 16 - Thu, Feb 19
Frontier Logo
11:35 am - 12:41 pm
SAT
-
LAS
3h 06mnonstop
Frontier Logo
11:07 am - 3:47 pm
LAS
-
SAT
2h 40mnonstop
$98Frontier
Sun, Feb 22 - Thu, Feb 26
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
5:29 pm - 7:25 pm
LAS
-
SAT
23h 56m
1 stop
$101Frontier
Mon, Feb 23 - Wed, Feb 25
Frontier Logo
5:36 pm - 11:59 pm
SAT
-
LAS
8h 23m
1 stop
Frontier Logo
5:10 pm - 9:53 pm
LAS
-
SAT
2h 43mnonstop
$102Frontier
Tue, Feb 24 - Fri, Feb 27
Frontier Logo
9:20 am - 3:40 pm
SAT
-
LAS
8h 20m
1 stop
Frontier Logo
5:20 am - 9:58 am
LAS
-
SAT
2h 38mnonstop
$111Frontier
Mon, Feb 23 - Fri, Feb 27
Frontier Logo
3:50 pm - 4:56 pm
SAT
-
LAS
3h 06mnonstop
Frontier Logo
11:59 pm - 4:15 pm
LAS
-
SAT
14h 16m
1 stop
$112Frontier
Mon, Feb 23 - Thu, Feb 26

Frontier flights from San Antonio to Las Vegas

Our best Frontier deals on San Antonio to Las Vegas flight tickets
Frontier
Feb 23
SAT9:39 pmSan Antonio
3h 04m
LAS10:43 pmLas Vegas Harry Reid Intl
Feb 26
LAS11:07 amLas Vegas Harry Reid Intl
2h 40m
SAT3:47 pmSan Antonio
$86
Frontier
Feb 23
SAT9:39 pmSan Antonio
3h 04m
LAS10:43 pmLas Vegas Harry Reid Intl
Feb 26
LAS11:07 amLas Vegas Harry Reid Intl
2h 40m
SAT3:47 pmSan Antonio
$87
Frontier
Feb 23
SAT3:50 pmSan Antonio
3h 06m
LAS4:56 pmLas Vegas Harry Reid Intl
Feb 26
LAS11:07 amLas Vegas Harry Reid Intl
2h 40m
SAT3:47 pmSan Antonio
$89

momondo 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from San Antonio to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

Thu 2/26

11:07 am-3:47 pm

Nonstop2h 40m

$86

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

Thu 2/26

11:07 am-3:47 pm

Nonstop2h 40m

$87

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 2/23

3:50 pm-4:56 pm

Nonstop3h 06m

Las Vegas Harry Reid Intl

Thu 2/26

11:07 am-3:47 pm

Nonstop2h 40m

$89

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 3/1

11:35 am-12:41 pm

Nonstop3h 06m

Las Vegas Harry Reid Intl

Wed 3/4

6:30 am-5:15 pm

1 stop8h 45m

$93

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 2/16

9:39 pm-10:43 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

Thu 2/19

4:06 pm-8:45 pm

Nonstop2h 39m

$97

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 2/22

11:35 am-12:41 pm

Nonstop3h 06m

Las Vegas Harry Reid Intl

Thu 2/26

11:07 am-3:47 pm

Nonstop2h 40m

$98

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

Wed 2/25

5:29 pm-7:25 pm

1 stop23h 56m

$101

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 2/24

5:36 pm-11:59 pm

1 stop8h 23m

Las Vegas Harry Reid Intl

Fri 2/27

5:10 pm-9:53 pm

Nonstop2h 43m

$102

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 2/23

9:20 am-3:40 pm

1 stop8h 20m

Las Vegas Harry Reid Intl

Fri 2/27

5:20 am-9:58 am

Nonstop2h 38m

$111

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 2/23

3:50 pm-4:56 pm

Nonstop3h 06m

Las Vegas Harry Reid Intl

Thu 2/26

11:59 pm-4:15 pm

1 stop14h 16m

$112

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 Las Vegas from

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

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 Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from San Antonio, with most prices found around $175. The month of May is another great option to travel to Las Vegas, with average flight prices from San Antonio averaging around $195.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $194. Flights from San Antonio to Las Vegas on a Wednesday will generally be more expensive and average around $261. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as $213. Flights to Las Vegas are more costly in the morning, with an average ticket price of $291. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Las Vegas from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $229 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from San Antonio for as low as $178 on momondo.

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

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

Can stopping save me money on San Antonio to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between San Antonio to Las Vegas.

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

As of January 2026, prices for San Antonio to Las Vegas flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to Las Vegas

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

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

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

Best Price Found

$120

Fastest flight time

2h 45m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from San Antonio in the past 72 hours is $120. The best round-trip flight deal from San Antonio to Las Vegas found on momondo in the last 72 hours is $157.
The fastest flight from San Antonio to Las Vegas takes 2h 45m
Direct flights go from San Antonio to Las Vegas on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Las Vegas. From San Antonio there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

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

    Las Vegas Harry Reid Intl is 1070.5 mi away from San Antonio. A reasonable flight in good conditions will take 2h 45m.

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

    Prices for flights from San Antonio Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl 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 San Antonio to Las Vegas?

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

Best airlines flying from San Antonio to Las Vegas

Compare and see reviews for airlines that fly from San Antonio to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $65Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
DeltaPriceFrom $147Free CancellationRating
7.9
8,127 reviews
Search Delta flights
United AirlinesPriceFrom $151Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
SouthwestPriceFrom $222Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Las Vegas

    Southwest operates around 15 flights from San Antonio to Las Vegas every week. The average price of these flights found in the last 72 hours has been $428, but momondo users have found Southwest deals from San Antonio to Las Vegas from as low as $222 round-trip. Southwest has been scored 8.0/10 in 4,267 reviews.

  • Frontier Flights From San Antonio to Las Vegas

    Another popular option for San Antonio to Las Vegas flights is Frontier (5.7/10, 3,056 ratings). Frontier flies from San Antonio to Las Vegas around 1 time per week, with deals starting from $65 round-trip and rising to an average price of around $207.

Traveling to a place near Las Vegas?

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

Why use momondo?

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

It is quick and easy to find San Antonio to Las Vegas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Las Vegas that suits you.

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

Yes. All flights to Las Vegas from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential San Antonio to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of San Antonio to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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