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Cheap flights from San Antonio to Las Vegas from $59

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 3/8. 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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Find the cheapest flights from San Antonio to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:41 pm - 10:45 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
4:06 pm - 8:45 pm
LAS
-
SAT
2h 39mnonstop
$88Frontier
lun., feb. 9 - jue., feb. 12
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
5:30 am - 7:01 pm
LAS
-
SAT
11h 31m
1 stop
$98Frontier
lun., feb. 23 - sáb., feb. 28
Frontier Logo
5:12 pm - 11:39 pm
SAT
-
LAS
8h 27m
1 stop
Frontier Logo
5:10 pm - 9:53 pm
LAS
-
SAT
2h 43mnonstop
$101Frontier
mar., feb. 10 - vie., feb. 13
Frontier Logo
11:35 am - 12:41 pm
SAT
-
LAS
3h 06mnonstop
Frontier Logo
6:30 am - 1:45 pm
LAS
-
SAT
5h 15m
1 stop
$102Frontier
dom., mar. 1 - mar., mar. 3
Frontier Logo
8:24 pm - 2:06 pm
SAT
-
LAS
19h 42m
1 stop
Frontier Logo
5:10 pm - 9:53 pm
LAS
-
SAT
2h 43mnonstop
$103Frontier
lun., feb. 9 - vie., feb. 13
Frontier Logo
12:31 pm - 5:10 pm
SAT
-
LAS
6h 39m
1 stop
Frontier Logo
7:40 am - 12:20 pm
LAS
-
SAT
2h 40mnonstop
$107Frontier
jue., feb. 5 - dom., feb. 8
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
12:59 am - 5:15 pm
LAS
-
SAT
14h 16m
1 stop
$108Frontier
lun., feb. 23 - mar., feb. 24
Frontier Logo
9:39 pm - 10:43 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
6:30 am - 5:15 pm
LAS
-
SAT
8h 45m
1 stop
$109Frontier
lun., feb. 23 - mié., mar. 4
Frontier Logo
1:20 pm - 2:27 pm
SAT
-
LAS
3h 07mnonstop
Frontier Logo
12:59 am - 4:17 pm
LAS
-
SAT
13h 18m
1 stop
$112Frontier
lun., feb. 9 - mar., feb. 10
Frontier Logo
9:41 pm - 10:45 pm
SAT
-
LAS
3h 04mnonstop
Frontier Logo
8:30 am - 1:11 pm
LAS
-
SAT
2h 41mnonstop
$113Frontier
lun., feb. 2 - jue., feb. 5

Frontier flights from San Antonio to Las Vegas

Our best Frontier deals on San Antonio to Las Vegas flight tickets
Frontier
Feb 9
SAT9:41 pmSan Antonio
3h 04m
LAS10:45 pmLas Vegas Harry Reid Intl
Feb 12
LAS4:06 pmLas Vegas Harry Reid Intl
2h 39m
SAT8:45 pmSan Antonio
$88
Frontier
Feb 23
SAT9:39 pmSan Antonio
3h 04m
LAS10:43 pmLas Vegas Harry Reid Intl
Feb 28
LAS5:30 amLas Vegas Harry Reid Intl
11h 31m
1 stop
SAT7:01 pmSan Antonio
$98
Frontier
Feb 10
SAT5:12 pmSan Antonio
8h 27m
1 stop
LAS11:39 pmLas Vegas Harry Reid Intl
Feb 13
LAS5:10 pmLas Vegas Harry Reid Intl
2h 43m
SAT9:53 pmSan Antonio
$101

Spirit Airlines flights from San Antonio to Las Vegas

Our best Spirit Airlines deals on San Antonio to Las Vegas flight tickets
Spirit Airlines
Jan 28
SAT6:30 amSan Antonio
18h 31m
2 stops
LAS11:01 pmLas Vegas Harry Reid Intl
Jan 30
LAS1:01 amLas Vegas Harry Reid Intl
20h 51m
2 stops
SAT11:52 pmSan Antonio
$242
Spirit Airlines
Jan 28
SAT6:30 amSan Antonio
19h 14m
2 stops
LAS11:44 pmLas Vegas Harry Reid Intl
Jan 30
LAS1:01 amLas Vegas Harry Reid Intl
20h 51m
3 stops
SAT11:52 pmSan Antonio
$288
Spirit Airlines
Jan 24
SAT10:35 amSan Antonio
15h 09m
1 stop
LAS11:44 pmLas Vegas Harry Reid Intl
Jan 26
LAS1:53 pmLas Vegas Harry Reid Intl
31h 59m
3 stops
SAT11:52 pmSan Antonio
$291

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 enero 15, 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

lun. 2/9

9:41 pm-10:45 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

jue. 2/12

4:06 pm-8:45 pm

Nonstop2h 39m

$88

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

lun. 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

sáb. 2/28

5:30 am-7:01 pm

1 stop11h 31m

$98

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

mar. 2/10

5:12 pm-11:39 pm

1 stop8h 27m

Las Vegas Harry Reid Intl

vie. 2/13

5:10 pm-9:53 pm

Nonstop2h 43m

$101

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

dom. 3/1

11:35 am-12:41 pm

Nonstop3h 06m

Las Vegas Harry Reid Intl

mar. 3/3

6:30 am-1:45 pm

1 stop5h 15m

$102

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

lun. 2/9

8:24 pm-2:06 pm

1 stop19h 42m

Las Vegas Harry Reid Intl

vie. 2/13

5:10 pm-9:53 pm

Nonstop2h 43m

$103

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

jue. 2/5

12:31 pm-5:10 pm

1 stop6h 39m

Las Vegas Harry Reid Intl

dom. 2/8

7:40 am-12:20 pm

Nonstop2h 40m

$107

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

lun. 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

mar. 2/24

12:59 am-5:15 pm

1 stop14h 16m

$108

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

lun. 2/23

9:39 pm-10:43 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

mié. 3/4

6:30 am-5:15 pm

1 stop8h 45m

$109

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

lun. 2/9

1:20 pm-2:27 pm

Nonstop3h 07m

Las Vegas Harry Reid Intl

mar. 2/10

12:59 am-4:17 pm

1 stop13h 18m

$112

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

lun. 2/2

9:41 pm-10:45 pm

Nonstop3h 04m

Las Vegas Harry Reid Intl

jue. 2/5

8:30 am-1:11 pm

Nonstop2h 41m

$113

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 $186.

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 $200. Flights from San Antonio to Las Vegas on a Wednesday will generally be more expensive and average around $251. 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 $214. Flights to Las Vegas are more costly in the morning, with an average ticket price of $281. 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 $224 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 $176 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 33% 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

$109

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from San Antonio in the past 72 hours is $109. The best round-trip flight deal from San Antonio to Las Vegas found on momondo in the last 72 hours is $174.
The fastest flight from San Antonio to Las Vegas takes 2h 40m
Direct flights go from San Antonio to Las Vegas every day.
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 40m.

  • 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 $67Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,319 reviews
Search Spirit Airlines flights
DeltaPriceFrom $117Free CancellationRating
7.9
8,049 reviews
Search Delta flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $186Free CancellationRating
7.2
11,132 reviews
Search American Airlines flights
SouthwestPriceFrom $222Free CancellationRating
8.0
4,258 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Las Vegas

    Southwest operates around 21 flights from San Antonio to Las Vegas every week. The average price of these flights found in the last 72 hours has been $425, 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 4,258 reviews.

  • Frontier Flights From San Antonio to Las Vegas

    Another popular option for San Antonio to Las Vegas flights is Frontier (5.7/10, 3,057 ratings). Frontier flies from San Antonio to Las Vegas around 2 times per week, with deals starting from $67 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
Sunrise Manor
Boulder City
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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