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Cheap flights from San Antonio to Las Vegas from $36

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 9/27. 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
4:45 pm - 5:40 pmSAT-LAS
2h 55mnonstop
Frontier Logo
11:00 am - 3:50 pmLAS-SAT
2h 50mnonstop
$56Frontier
Find Deal
Sat, Sep 6 - Sat, Sep 13
Frontier Logo
2:08 pm - 3:03 pmSAT-LAS
2h 55mnonstop
Frontier Logo
11:00 am - 3:50 pmLAS-SAT
2h 50mnonstop
$68Frontier
Find Deal
Sun, Sep 28 - Sat, Oct 4
Frontier Logo
2:01 pm - 2:56 pmSAT-LAS
2h 55mnonstop
Frontier Logo
8:34 am - 1:23 pmLAS-SAT
2h 49mnonstop
$69Frontier
Find Deal
Mon, Sep 8 - Thu, Sep 11
Frontier Logo
2:01 pm - 2:56 pmSAT-LAS
2h 55mnonstop
Frontier Logo
8:34 am - 1:23 pmLAS-SAT
2h 49mnonstop
$70Frontier
Find Deal
Mon, Sep 8 - Thu, Sep 11
Frontier Logo
9:33 pm - 10:27 pmSAT-LAS
2h 54mnonstop
Frontier Logo
8:27 am - 1:16 pmLAS-SAT
2h 49mnonstop
$76Frontier
Find Deal
Thu, Sep 18 - Mon, Sep 22
Logo
8:28 pm - 11:06 amSAT-LAS
16h 38m1 stop
Logo
11:00 am - 3:50 pmLAS-SAT
2h 50mnonstop
$84
Find Deal
Wed, Sep 3 - Sat, Sep 6
Spirit Airlines Logo
9:47 pm - 10:40 pmSAT-LAS
2h 53mnonstop
Spirit Airlines Logo
4:05 pm - 8:52 pmLAS-SAT
2h 47mnonstop
$85Spirit Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
Spirit Airlines Logo
8:37 pm - 7:40 amSAT-LAS
13h 03m1 stop
Spirit Airlines Logo
12:11 pm - 7:32 pmLAS-SAT
5h 21m1 stop
$98Spirit Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
Spirit Airlines Logo
9:47 pm - 10:40 pmSAT-LAS
2h 53mnonstop
Spirit Airlines Logo
12:11 pm - 7:32 pmLAS-SAT
5h 21m1 stop
$99Spirit Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
Spirit Airlines Logo
6:00 am - 6:44 amSAT-LAS
2h 44mnonstop
Spirit Airlines Logo
12:10 am - 4:47 amLAS-SAT
2h 37mnonstop
$102Spirit Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 3

Frontier flights from San Antonio to Las Vegas

Our best Frontier deals on San Antonio to Las Vegas flight tickets
Frontier
Sep 6
SAT4:45 pmSan Antonio
2h 55m
LAS5:40 pmLas Vegas Harry Reid Intl
Sep 13
LAS11:00 amLas Vegas Harry Reid Intl
2h 50m
SAT3:50 pmSan Antonio
$56
Find similar
Frontier
Sep 28
SAT2:08 pmSan Antonio
2h 55m
LAS3:03 pmLas Vegas Harry Reid Intl
Oct 4
LAS11:00 amLas Vegas Harry Reid Intl
2h 50m
SAT3:50 pmSan Antonio
$68
Find similar
Frontier
Sep 8
SAT2:01 pmSan Antonio
2h 55m
LAS2:56 pmLas Vegas Harry Reid Intl
Sep 11
LAS8:34 amLas Vegas Harry Reid Intl
2h 49m
SAT1:23 pmSan Antonio
$69
Find similar

Spirit Airlines flights from San Antonio to Las Vegas

Our best Spirit Airlines deals on San Antonio to Las Vegas flight tickets
Spirit Airlines
Sep 6
SAT9:47 pmSan Antonio
2h 53m
LAS10:40 pmLas Vegas Harry Reid Intl
Sep 13
LAS4:05 pmLas Vegas Harry Reid Intl
2h 47m
SAT8:52 pmSan Antonio
$85
Find similar
Spirit Airlines
Sep 6
SAT8:37 pmSan Antonio
13h 03m
1 stop
LAS7:40 amLas Vegas Harry Reid Intl
Sep 13
LAS12:11 pmLas Vegas Harry Reid Intl
5h 21m
1 stop
SAT7:32 pmSan Antonio
$98
Find similar
Spirit Airlines
Sep 6
SAT9:47 pmSan Antonio
2h 53m
LAS10:40 pmLas Vegas Harry Reid Intl
Sep 13
LAS12:11 pmLas Vegas Harry Reid Intl
5h 21m
1 stop
SAT7:32 pmSan Antonio
$99
Find similar

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 August 14, 2025.
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

Sat 9/6

4:45 pm-5:40 pm

Nonstop2h 55m

Las Vegas Harry Reid Intl

Sat 9/13

11:00 am-3:50 pm

Nonstop2h 50m

$56

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 9/28

2:08 pm-3:03 pm

Nonstop2h 55m

Las Vegas Harry Reid Intl

Sat 10/4

11:00 am-3:50 pm

Nonstop2h 50m

$68

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 9/8

2:01 pm-2:56 pm

Nonstop2h 55m

Las Vegas Harry Reid Intl

Thu 9/11

8:34 am-1:23 pm

Nonstop2h 49m

$69

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 9/8

2:01 pm-2:56 pm

Nonstop2h 55m

Las Vegas Harry Reid Intl

Thu 9/11

8:34 am-1:23 pm

Nonstop2h 49m

$70

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 9/18

9:33 pm-10:27 pm

Nonstop2h 54m

Las Vegas Harry Reid Intl

Mon 9/22

8:27 am-1:16 pm

Nonstop2h 49m

$76

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Wed 9/3

8:28 pm-11:06 am

1 stop16h 38m

Las Vegas Harry Reid Intl

Sat 9/6

11:00 am-3:50 pm

Nonstop2h 50m

$84

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sat 9/6

9:47 pm-10:40 pm

Nonstop2h 53m

Las Vegas Harry Reid Intl

Sat 9/13

4:05 pm-8:52 pm

Nonstop2h 47m

$85

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sat 9/6

8:37 pm-7:40 am

1 stop13h 03m

Las Vegas Harry Reid Intl

Sat 9/13

12:11 pm-7:32 pm

1 stop5h 21m

$98

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sat 9/6

9:47 pm-10:40 pm

Nonstop2h 53m

Las Vegas Harry Reid Intl

Sat 9/13

12:11 pm-7:32 pm

1 stop5h 21m

$99

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sat 11/1

6:00 am-6:44 am

Nonstop2h 44m

Las Vegas Harry Reid Intl

Mon 11/3

12:10 am-4:47 am

Nonstop2h 37m

$102

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 $169. The month of May is another great option to travel to Las Vegas, with average flight prices from San Antonio averaging around $188.

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

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $185. Flights from San Antonio to Las Vegas on a Thursday will generally be more expensive and average around $247. 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 $215. Flights to Las Vegas are more costly in the morning, with an average ticket price of $257. 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 $222 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 $171 on momondo.

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

There are 2 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?

You could potentially save up to 1% on your flight if you consider stops on a San Antonio to Las Vegas flight.

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

As of August 2025, prices for San Antonio to Las Vegas flights are approximately 0% more expensive 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

$36

Fastest flight time

2h 44m

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 $36. The best round-trip flight deal from San Antonio to Las Vegas found on momondo in the last 72 hours is $56.
The fastest flight from San Antonio to Las Vegas takes 2h 44m
Direct flights go from San Antonio to Las Vegas every day.
There is 1 airport near Las Vegas: 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 44m.

  • 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 $74Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $75Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
DeltaPriceFrom $147Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $176Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $227Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

  • Southwest Flights From San Antonio to Las Vegas

    Southwest operates around 25 flights from San Antonio to Las Vegas every week. The average price of these flights found in the last 72 hours has been $427, but momondo users have found Southwest deals from San Antonio to Las Vegas from as low as $227 round-trip. Southwest has been scored 8.0/10 in 4,244 reviews.

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
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
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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