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Cheap flights from Las Vegas to San Antonio from $40

This is the cheapest one-way 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 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Las Vegas to San Antonio

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Las Vegas to San Antonio.
 Logo
12:33 am - 5:04 amLAS-SAT
2h 31mnonstop
 Logo
2:18 pm - 3:18 pmSAT-LAS
3h 00mnonstop
Thu, May 22 - Tue, May 27
Spirit Airlines Logo
12:33 am - 5:04 amLAS-SAT
2h 31mnonstop
Spirit Airlines Logo
10:51 pm - 11:48 pmSAT-LAS
2h 57mnonstop
$104Spirit Airlines
Find Deal
Thu, May 8 - Sun, May 11
Frontier Logo
8:00 am - 12:43 pmLAS-SAT
2h 43mnonstop
Frontier Logo
1:43 pm - 2:42 pmSAT-LAS
2h 59mnonstop
$106Frontier
Find Deal
Fri, May 9 - Sun, May 11
Frontier Logo
8:40 am - 1:23 pmLAS-SAT
2h 43mnonstop
Frontier Logo
2:18 pm - 3:18 pmSAT-LAS
3h 00mnonstop
$130Frontier
Find Deal
Thu, May 22 - Thu, May 29
Southwest Logo
8:45 am - 1:20 pmLAS-SAT
2h 35mnonstop
Southwest Logo
7:45 pm - 8:40 pmSAT-LAS
2h 55mnonstop
$295Southwest
Find Deal
Wed, May 14 - Fri, May 16
Delta Logo
12:55 am - 11:13 amLAS-SAT
8h 18m1 stop
Delta Logo
12:20 pm - 8:20 pmSAT-LAS
10h 00m1 stop
$307Delta
Find Deal
Tue, Jun 3 - Tue, Jun 10
Delta Logo
12:54 am - 11:50 amLAS-SAT
8h 56m1 stop
Delta Logo
6:10 pm - 11:28 pmSAT-LAS
7h 18m1 stop
$337Delta
Find Deal
Mon, Jun 2 - Thu, Jun 5
Southwest Logo
7:15 pm - 11:50 pmLAS-SAT
2h 35mnonstop
Southwest Logo
9:50 pm - 10:35 pmSAT-LAS
2h 45mnonstop
$342Southwest
Find Deal
Tue, Jun 3 - Thu, Jun 5
American Airlines Logo
12:59 am - 10:03 amLAS-SAT
7h 04m1 stop
American Airlines Logo
5:00 am - 8:05 amSAT-LAS
5h 05m1 stop
$345American Airlines
Find Deal
Thu, May 8 - Sat, May 17
American Airlines Logo
12:59 am - 10:03 amLAS-SAT
7h 04m1 stop
American Airlines Logo
7:34 pm - 10:55 pmSAT-LAS
5h 21m1 stop
$363American Airlines
Find Deal
Thu, May 22 - Tue, May 27

Southwest flights from Las Vegas to San Antonio

Our best Southwest deals on Las Vegas to San Antonio flight tickets
Southwest
May 14
LAS8:45 amLas Vegas Harry Reid Intl
2h 35m
SAT1:20 pmSan Antonio
May 16
SAT7:45 pmSan Antonio
2h 55m
LAS8:40 pmLas Vegas Harry Reid Intl
Southwest
Jun 3
LAS7:15 pmLas Vegas Harry Reid Intl
2h 35m
SAT11:50 pmSan Antonio
Jun 5
SAT9:50 pmSan Antonio
2h 45m
LAS10:35 pmLas Vegas Harry Reid Intl
Southwest
Jun 18
LAS7:55 amLas Vegas Harry Reid Intl
2h 40m
SAT12:35 pmSan Antonio
Jun 25
SAT7:50 pmSan Antonio
2h 50m
LAS8:40 pmLas Vegas Harry Reid Intl

Spirit Airlines flights from Las Vegas to San Antonio

Our best Spirit Airlines deals on Las Vegas to San Antonio flight tickets
Spirit Airlines
May 8
LAS12:33 amLas Vegas Harry Reid Intl
2h 31m
SAT5:04 amSan Antonio
May 11
SAT10:51 pmSan Antonio
2h 57m
LAS11:48 pmLas Vegas Harry Reid Intl
Spirit Airlines
May 8
LAS12:33 amLas Vegas Harry Reid Intl
2h 31m
SAT5:04 amSan Antonio
May 17
SAT2:37 pmSan Antonio
2h 59m
LAS3:36 pmLas Vegas Harry Reid Intl
Spirit Airlines
Jun 3
LAS12:33 amLas Vegas Harry Reid Intl
2h 31m
SAT5:04 amSan Antonio
Jun 10
SAT6:45 amSan Antonio
7h 02m
1 stop
LAS11:47 amLas Vegas Harry Reid Intl

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 August instead. Flights to San Antonio in August, while not as cheap as those in September, still average around $128.

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 Wednesday when prices can be found for as low as $132. 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 $199.

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 evening, with an average ticket price of $166. Departure times in the evening 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 4 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $160 when searching 4 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 $121 on momondo.

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

There are 1 cabin classes 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 April 2025, prices for Las Vegas to San Antonio flights are approximately 36% more expensive 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

$40

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 $40. The best round-trip flight deal from Las Vegas to San Antonio found on momondo in the last 72 hours is $93.
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)

  • 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 30m.

  • 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 $59Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $73Free CancellationRating
6.3
7,942 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $77Free CancellationRating
7.3
734 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,286 reviews
Search Southwest flights
  • Southwest Flights From Las Vegas to San Antonio

    Across 20 Southwest flights from Las Vegas to San Antonio this week, the average price was $396, with the best Southwest deals starting from $275 round-trip. 4,286 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 $73, round-trip. It should be noted that an average Spirit Airlines flight deal for this route in this time was higher, at $152 round-trip. Spirit Airlines operates 8 flights out of Las Vegas into San Antonio in an average week, so prices vary by time and availability. 7,942 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
Schertz
Boerne
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.


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Wed 5/7

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