Cheap flights from San Antonio to Las Vegas from $51
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 3/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Antonio to Las Vegas
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from San Antonio to Las Vegas
Our best Spirit Airlines deals on San Antonio to Las Vegas flight tickets
Frontier flights from San Antonio to Las Vegas
Our best Frontier deals on San Antonio to Las Vegas flight tickets
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 typical price of a round-trip flight between San Antonio and Las Vegas?
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 $155. The month of June is another great option to travel to Las Vegas, with average flight prices from San Antonio averaging around $161.
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 $159. Flights from San Antonio to Las Vegas on a Thursday will generally be more expensive and average around $234. 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 $190. Flights to Las Vegas are more costly at noon, with an average ticket price of $216. Departure times at noon 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 5 weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $203 when searching 5 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 $157 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.
What is the cheapest airline that flies from San Antonio to Las Vegas Harry Reid Intl?
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from San Antonio to Las Vegas Harry Reid Intl
What airlines fly to Las Vegas?
Frontier, Spirit Airlines and Delta 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 47% 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.
How many flights depart from San Antonio to Las Vegas on average per day?
As of February 2025, there are 5 flights per day flying from San Antonio to Las Vegas. The most common time of day flights depart is 4:00PM, with 39% of flights taking off in the afternoon.
How many flights depart from San Antonio to Las Vegas on average per week?
40 flights are operational weekly from San Antonio to Las Vegas as of February 2025. The most popular departure day for this route is Thu, with 20% 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
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?
As of February 2025, there are 7 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 Airbus A320neo (27.56% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (14.44%), Airbus A321neo (12.15%), and Boeing 737-700 Passenger/BBJ1 (winglets) (11.93%).
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 39%, Southwest with 7%, and American Airlines with 7%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $70 | Free Cancellation | Rating 6.0 3,339 reviews | |||
| PriceFrom $72 | Free Cancellation | Rating 6.3 7,980 reviews | |||
| PriceFrom $88 | Free Cancellation | Rating 7.3 758 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 8.0 8,138 reviews | |||
| PriceFrom $205 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $247 | Free Cancellation | Rating 8.1 4,362 reviews | |||
| PriceFrom $249 | Free Cancellation | Rating 7.4 8,724 reviews |
Southwest Flights From San Antonio to Las Vegas
Southwest operates around 18 flights from San Antonio to Las Vegas every week. The average price of these flights found in the last 72 hours has been $446, but momondo users have found Southwest deals from San Antonio to Las Vegas from as low as $247 round-trip. Southwest has been scored 8.1/10 in 4,362 reviews.
United Airlines Flights From San Antonio to Las Vegas
Another popular option for San Antonio to Las Vegas flights is United Airlines (7.4/10, 8,723 ratings). United Airlines flies from San Antonio to Las Vegas around 7 times per week, with deals starting from $249 round-trip and rising to an average price of around $482.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsWhy 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.