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£183 Cheap Flights from Las Vegas (LAS) to San Antonio (SAT)

View £183 flight on Tue, 17 Nov 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to San Antonio International Airport (SAT)

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Cheap Flights from Las Vegas (LAS) to San Antonio (SAT)

Prices were available within the past 7 days and start at £183 for one-way flights and £397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 13 Aug - Mon, 17 Aug
LAS
Las Vegas
SAT
San Antonio
£397 Return, found 3 days ago
£397
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Las Vegas to San Antonio, returning Mon, 17 Aug, priced at £397 found 3 days ago
Alaska Airlines
Thu, 13 Aug - Mon, 17 Aug
LAS
Las Vegas
SAT
San Antonio
£438 Return, found 3 days ago
£438
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Las Vegas to San Antonio, returning Mon, 17 Aug, priced at £438 found 3 days ago
Alaska Airlines
Mon, 19 Oct - Wed, 21 Oct
LAS
Las Vegas
SAT
San Antonio
£449 Return, found 2 days ago
£449
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 19 Oct from Las Vegas to San Antonio, returning Wed, 21 Oct, priced at £449 found 2 days ago
Alaska Airlines
Mon, 19 Oct - Wed, 21 Oct
LAS
Las Vegas
SAT
San Antonio
£454 Return, found 2 days ago
£454
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 19 Oct from Las Vegas to San Antonio, returning Wed, 21 Oct, priced at £454 found 2 days ago
Alaska Airlines
Thu, 13 Aug - Mon, 17 Aug
LAS
Las Vegas
SAT
San Antonio
£454 Return, found 3 days ago
£454
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Las Vegas to San Antonio, returning Mon, 17 Aug, priced at £454 found 3 days ago
Alaska Airlines
Mon, 19 Oct - Wed, 21 Oct
LAS
Las Vegas
SAT
San Antonio
£491 Return, found 2 days ago
£491
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 19 Oct from Las Vegas to San Antonio, returning Wed, 21 Oct, priced at £491 found 2 days ago
Alaska Airlines
Thu, 13 Aug - Mon, 17 Aug
LAS
Las Vegas
SAT
San Antonio
£509 Return, found 3 days ago
£509
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 13 Aug from Las Vegas to San Antonio, returning Mon, 17 Aug, priced at £509 found 3 days ago
Alaska Airlines
Mon, 19 Oct - Wed, 21 Oct
LAS
Las Vegas
SAT
San Antonio
£520 Return, found 2 days ago
£520
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 19 Oct from Las Vegas to San Antonio, returning Wed, 21 Oct, priced at £520 found 2 days ago
Alaska Airlines
Mon, 19 Oct - Wed, 21 Oct
LAS
Las Vegas
SAT
San Antonio
£521 Return, found 2 days ago
£521
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 19 Oct from Las Vegas to San Antonio, returning Wed, 21 Oct, priced at £521 found 2 days ago
Alaska Airlines
Mon, 19 Oct - Wed, 21 Oct
LAS
Las Vegas
SAT
San Antonio
£521 Return, found 2 days ago
£521
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 19 Oct from Las Vegas to San Antonio, returning Wed, 21 Oct, priced at £521 found 2 days ago

Find the cheapest month to fly from Las Vegas (LAS) to San Antonio (SAT)

January is typically the cheapest month to fly

From £43 - £147 per traveller.

Frequently asked questions

How much does a flight from Las Vegas, NV (LAS) to San Antonio, TX (SAT) cost?
You can find one-way and return flights from Las Vegas, NV (LAS) to San Antonio, TX (SAT) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LAS to SAT ticket fares go up or down.
What is the cheapest month to fly from Las Vegas, NV (LAS) to San Antonio, TX (SAT)?
The cheapest months to fly from Las Vegas, NV (LAS) to San Antonio, TX (SAT) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
There are 2 airlines offering direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.). Here are the carriers:
  • Southwest Airlines operates 32 direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) every week.
  • Frontier Airlines operates 8 direct flights from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) every week.
What is the cheapest airline that flies from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
Frontier Airlines is one of the cheapest airlines offering nonstop return flights from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.), with tickets starting from around £36 for flights that can be booked for departure within the next year. Southwest Airlines offers one of the cheapest connecting return flights on this route, with a layover in Albuquerque Intl. Sunport (ABQ), starting from around £98. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Las Vegas, NV (LAS) to San Antonio, TX (SAT)?
To find a cheap flight from Las Vegas, NV (LAS) to San Antonio, TX (SAT), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The best airline to fly with from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) will differ from traveler to traveler. If you like to fly early, Spirit Airlines offers early morning flights. If price is the most important factor, Spirit Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Las Vegas, NV (LAS) to San Antonio, TX (SAT)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
The earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) typically departs around 12:05 AM local time. This flight is operated by Delta and is a seasonal service, active in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
A direct flight from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) typically takes around 2 hours 48 minutes. This route covers a distance of approximately 1,717 kilometers. If you opt for a flight with one stop, your journey will usually be longer, taking about 5 hours 18 minutes. Flights with two or more stops generally take around 11 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Las Vegas, NV (LAS) to San Antonio, TX (SAT)?
Select the "Business class" and "First class" filters when looking for Las Vegas, NV (LAS) to San Antonio, TX (SAT) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight with Expedia?
It's easy to earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Antonio, TX (SAT) from Las Vegas, NV (LAS)?
If you're planning to travel to San Antonio from Harry Reid International Airport (LAS), you can fly directly into San Antonio Intl. (SAT). Some flights may connect through major hubs like San Diego Intl. (SAN), Portland Intl. (PDX), or Los Angeles Intl. (LAX) before reaching San Antonio. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) at the last minute?
Typically, booking a last minute flight from Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package?
Securing a Las Vegas, NV (LAS-Harry Reid Intl.) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Las Vegas, NV (LAS) to San Antonio, TX (SAT)?
If you booked your Las Vegas, NV (LAS) to San Antonio, TX (SAT) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines
Return price
£397
Distance
1707 km
Average flight time
4 hours 42 mins

Book with confidence

Compare flights from Las Vegas to San Antonio easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Las Vegas to San Antonio. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Antonio Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Harry Reid Intl. to San Antonio Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Harry Reid Intl. (LAS) to San Antonio Intl. (SAT)

The easiest way to view the best deals on flights from Las Vegas to San Antonio today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Harry Reid Intl. to San Antonio Intl. start at just £397 and range up to £521.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Las Vegas and San Antonio
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Las Vegas to San Antonio flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Harry Reid Intl. to San Antonio Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Las Vegas to San Antonio easily and book with confidence

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*Available to Expedia members.