What is the cheapest airline that flies from San Antonio to Las Vegas Harry Reid Intl?

Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from San Antonio to Las Vegas Harry Reid Intl

What is the most punctual flight time for San Antonio to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How often are flights from San Antonio to Las Vegas delayed?

Historically, on average around 12% of flights between San Antonio and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Which airline has the best punctuality record on San Antonio to Las Vegas flights?

According to our data, New Pacific Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

What airlines fly to Las Vegas?

Frontier, Southwest and Spirit Airlines are the top three most popular airlines that fly to Las Vegas from San Antonio according to our data. Frontier is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 8 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How many flights depart from San Antonio to Las Vegas on average per day?

As of November 2025, there are 3 flights per day flying from San Antonio to Las Vegas. The most common time of day flights depart is 3:00PM, with 57% of flights taking off in the afternoon.

How many flights depart from San Antonio to Las Vegas on average per week?

22 flights are operational weekly from San Antonio to Las Vegas as of November 2025. The most popular departure day for this route is Mon, with 27% of flights per week taking off on this day.

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?

As of November 2025, there are 6 operators available to choose from 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.

$47 Cheap Flights from San Antonio to Las Vegas in 2025/26

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6:44 pm - 7:39 pmSAT-LAS

2h 55mnonstop

12:30 am - 5:09 amLAS-SAT

2h 39mnonstop

$102Spirit Airlines

Find Deal

Thu, Jan 22 - Sun, Jan 25

1:24 pm - 2:27 pmSAT-LAS

3h 03mnonstop

12:59 am - 9:18 amLAS-SAT

6h 19m1 stop

$103Frontier

Find Deal

Thu, Jan 22 - Sun, Jan 25

2:04 pm - 3:05 pmSAT-LAS

3h 01mnonstop

8:39 am - 1:23 pmLAS-SAT

2h 44mnonstop

$104Frontier

Find Deal

Mon, Nov 17 - Thu, Nov 20

1:51 pm - 2:54 pmSAT-LAS

3h 03mnonstop

6:00 am - 9:30 amLAS-SAT

25h 30m1 stop

$105Frontier

Find Deal

Thu, Dec 4 - Sat, Dec 6

1:51 pm - 2:54 pmSAT-LAS

3h 03mnonstop

12:24 pm - 5:05 pmLAS-SAT

2h 41mnonstop

$106Multiple Airlines

Find Deal

Sun, Dec 7 - Tue, Dec 9

6:10 pm - 7:08 pmSAT-LAS

2h 58mnonstop

8:37 am - 1:16 pmLAS-SAT

2h 39mnonstop

$108Multiple Airlines

Find Deal

Tue, Dec 16 - Fri, Dec 19

1:50 pm - 2:50 pmSAT-LAS

3h 00mnonstop

7:05 am - 11:42 amLAS-SAT

2h 37mnonstop

$109Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

10:13 am - 11:42 pmSAT-LAS

15h 29m1 stop

7:50 am - 12:29 pmLAS-SAT

2h 39mnonstop

$110Frontier

Find Deal

Thu, Jan 22 - Mon, Jan 26

6:10 pm - 7:08 pmSAT-LAS

2h 58mnonstop

12:24 pm - 5:05 pmLAS-SAT

2h 41mnonstop

$113Spirit Airlines

Find Deal

Wed, Dec 10 - Sat, Dec 13

6:45 pm - 7:50 pmSAT-LAS

3h 05mnonstop

6:40 pm - 11:10 pmLAS-SAT

2h 30mnonstop

$137Southwest

Find Deal

Tue, Feb 17 - Sat, Feb 21

Frontier flights from San Antonio to Las Vegas

Our best Frontier deals on San Antonio to Las Vegas flight tickets

Frontier

Jan 22

SAT1:24 pmSan Antonio

3h 03m

LAS2:27 pmLas Vegas Harry Reid Intl

Jan 25

LAS12:59 amLas Vegas Harry Reid Intl

6h 19m

1 stop

SAT9:18 amSan Antonio

$103

Find similar

Frontier

Nov 17

SAT2:04 pmSan Antonio

3h 01m

LAS3:05 pmLas Vegas Harry Reid Intl

Nov 20

LAS8:39 amLas Vegas Harry Reid Intl

2h 44m

SAT1:23 pmSan Antonio

$104

Find similar

Frontier

Dec 4

SAT1:51 pmSan Antonio

3h 03m

LAS2:54 pmLas Vegas Harry Reid Intl

Dec 6

LAS6:00 amLas Vegas Harry Reid Intl

25h 30m

1 stop

SAT9:30 amSan Antonio

$105

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

Jan 22

SAT6:44 pmSan Antonio

2h 55m

LAS7:39 pmLas Vegas Harry Reid Intl

Jan 25

LAS12:30 amLas Vegas Harry Reid Intl

2h 39m

SAT5:09 amSan Antonio

$102

Find similar

Spirit Airlines

Dec 10

SAT6:10 pmSan Antonio

2h 58m

LAS7:08 pmLas Vegas Harry Reid Intl

Dec 13

LAS12:24 pmLas Vegas Harry Reid Intl

2h 41m

SAT5:05 pmSan Antonio

$113

Find similar

Spirit Airlines

Dec 2

SAT2:12 pmSan Antonio

3h 01m

LAS3:13 pmLas Vegas Harry Reid Intl

Dec 9

LAS12:24 pmLas Vegas Harry Reid Intl

2h 41m

SAT5:05 pmSan Antonio

$114

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 1/22

6:44 pm-7:39 pm

Nonstop2h 55m

Las Vegas Harry Reid Intl

Sun 1/25

12:30 am-5:09 am

Nonstop2h 39m

$102

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 1/22

1:24 pm-2:27 pm

Nonstop3h 03m

Las Vegas Harry Reid Intl

Sun 1/25

12:59 am-9:18 am

1 stop6h 19m

$103

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 11/17

2:04 pm-3:05 pm

Nonstop3h 01m

Las Vegas Harry Reid Intl

Thu 11/20

8:39 am-1:23 pm

Nonstop2h 44m

$104

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 12/4

1:51 pm-2:54 pm

Nonstop3h 03m

Las Vegas Harry Reid Intl

Sat 12/6

6:00 am-9:30 am

1 stop25h 30m

$105

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Sun 12/7

1:51 pm-2:54 pm

Nonstop3h 03m

Las Vegas Harry Reid Intl

Tue 12/9

12:24 pm-5:05 pm

Nonstop2h 41m

$106

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 12/16

6:10 pm-7:08 pm

Nonstop2h 58m

Las Vegas Harry Reid Intl

Fri 12/19

8:37 am-1:16 pm

Nonstop2h 39m

$108

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Mon 12/1

1:50 pm-2:50 pm

Nonstop3h 00m

Las Vegas Harry Reid Intl

Mon 12/8

7:05 am-11:42 am

Nonstop2h 37m

$109

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Thu 1/22

10:13 am-11:42 pm

1 stop15h 29m

Las Vegas Harry Reid Intl

Mon 1/26

7:50 am-12:29 pm

Nonstop2h 39m

$110

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Wed 12/10

6:10 pm-7:08 pm

Nonstop2h 58m

Las Vegas Harry Reid Intl

Sat 12/13

12:24 pm-5:05 pm

Nonstop2h 41m

$113

San AntonioLas Vegas

SAT - LAS

SATLAS

San Antonio

Tue 2/17

6:45 pm-7:50 pm

Nonstop3h 05m

Las Vegas Harry Reid Intl

Sat 2/21

6:40 pm-11:10 pm

Nonstop2h 30m

$137

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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

Prices

Airlines

Delays

Other information

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 $192.

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 $211. Flights from San Antonio to Las Vegas on a Wednesday will generally be more expensive and average around $248. 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 $285. 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 $228 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 $185 on momondo.

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

There are 3 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 November 2025, prices for San Antonio to Las Vegas flights are approximately 28% 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	$87
Fastest flight time	2h 55m
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 $87. The best round-trip flight deal from San Antonio to Las Vegas found on momondo in the last 72 hours is $159.

The fastest flight from San Antonio to Las Vegas takes 2h 55m

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 55m.
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?
As of November 2025, there are 6 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Antonio to Las Vegas is Boeing 737 MAX 8 (19.52% of total bookings). The next most popular plane models are Airbus A320-100/200 (15.34%), Airbus A320neo (14.91%), and Boeing 737-800 Passenger/BBJ2 (winglets) (13.74%).
What is the most popular airline from San Antonio to Las Vegas?
Based on momondo bookings for flights between San Antonio and Las Vegas, the leading airline is Spirit Airlines, making up 43% of the total bookings. Other popular airlines include Frontier with 32%, Southwest with 19%, and American Airlines with 4%.

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
Frontier	PriceFrom $86	Free Cancellation	Rating 5.8 3,115 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $86	Free Cancellation	Rating 6.3 8,113 reviews	Search Spirit Airlines flights
Delta	PriceFrom $147	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
United Airlines	PriceFrom $150	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.2 11,039 reviews	Search American Airlines flights
Southwest	PriceFrom $225	Free Cancellation	Rating 8.0 4,239 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 $424, but momondo users have found Southwest deals from San Antonio to Las Vegas from as low as $225 round-trip. Southwest has been scored 8.0/10 in 4,239 reviews.
Spirit Airlines Flights From San Antonio to Las Vegas
Another popular option for San Antonio to Las Vegas flights is Spirit Airlines (6.3/10, 8,113 ratings). Spirit Airlines flies from San Antonio to Las Vegas around 7 times per week, with deals starting from $86 round-trip and rising to an average price of around $180.

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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.

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Cheap flights from San Antonio to Las Vegas from $47

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 1/23. 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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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 $192.

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

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

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?

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

There are 3 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 November 2025, prices for San Antonio to Las Vegas flights are approximately 28% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from San Antonio to Las Vegas Harry Reid Intl?

Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from San Antonio to Las Vegas Harry Reid Intl

What airlines fly to Las Vegas?

How often are flights from San Antonio to Las Vegas delayed?

Historically, on average around 12% of flights between San Antonio and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

What is the most punctual flight time for San Antonio to Las Vegas flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Antonio to Las Vegas flights?

According to our data, New Pacific Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How many flights depart from San Antonio to Las Vegas on average per day?

As of November 2025, there are 3 flights per day flying from San Antonio to Las Vegas. The most common time of day flights depart is 3:00PM, with 57% of flights taking off in the afternoon.

How many flights depart from San Antonio to Las Vegas on average per week?

22 flights are operational weekly from San Antonio to Las Vegas as of November 2025. The most popular departure day for this route is Mon, with 27% of flights per week taking off on this day.

When to book flights from San Antonio to Las Vegas

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

Fastest flight time

Direct flights

Airports in Las Vegas

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

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

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?

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

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

Southwest Flights From San Antonio to Las Vegas

Spirit Airlines Flights From San Antonio to Las Vegas

Traveling to a place near Las Vegas?

Why use momondo?

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

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

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

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

An easier way to manage your Las Vegas 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.