$86 Cheap Flights from Charleston (CHS) to San Antonio (SAT)

View $86 flight on Tue, Dec 2, 2025Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to San Antonio International Airport (SAT)

Cheap Flights from Charleston to San Antonio (CHS-SAT)

Prices were available within the past 7 days and start at $86 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Dec 2 - Thu, Dec 4
CHS
Charleston
SAT
San Antonio
$169 Roundtrip, found 4 days ago
$169
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Tue, Dec 2 from Charleston to San Antonio, returning Thu, Dec 4, priced at $169 found 4 days ago
Spirit Airlines
Tue, Dec 2 - Fri, Dec 5
CHS
Charleston
SAT
San Antonio
$179 Roundtrip, found 3 days ago
$179
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Dec 2 from Charleston to San Antonio, returning Fri, Dec 5, priced at $179 found 3 days ago
Spirit Airlines
Mon, Dec 1 - Sun, Dec 7
CHS
Charleston
SAT
San Antonio
$195 Roundtrip, found 4 hours ago
$195
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Mon, Dec 1 from Charleston to San Antonio, returning Sun, Dec 7, priced at $195 found 4 hours ago
Spirit Airlines
Mon, Dec 1 - Mon, Dec 15
CHS
Charleston
SAT
San Antonio
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Mon, Dec 1 from Charleston to San Antonio, returning Mon, Dec 15, priced at $214 found 4 days ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
CHS
Charleston
SAT
San Antonio
$218 Roundtrip, found 1 hour ago
$218
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Dec 4 from Charleston to San Antonio, returning Sun, Dec 7, priced at $218 found 1 hour ago
American Airlines
Tue, Dec 2 - Mon, Dec 8
CHS
Charleston
SAT
San Antonio
$223 Roundtrip, found 2 days ago
$223
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 2 from Charleston to San Antonio, returning Mon, Dec 8, priced at $223 found 2 days ago
United
Thu, Nov 27 - Thu, Dec 4
CHS
Charleston
SAT
San Antonio
$225 Roundtrip, found 3 days ago
$225
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from Charleston to San Antonio, returning Thu, Dec 4, priced at $225 found 3 days ago
United
Thu, Dec 4 - Sun, Dec 7
CHS
Charleston
SAT
San Antonio
$234 Roundtrip, found 1 hour ago
$234
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Dec 4 from Charleston to San Antonio, returning Sun, Dec 7, priced at $234 found 1 hour ago
Southwest Airlines
Wed, Dec 3 - Sun, Dec 7
CHS
Charleston
SAT
San Antonio
$238 Roundtrip, found 4 days ago
$238
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Dec 3 from Charleston to San Antonio, returning Sun, Dec 7, priced at $238 found 4 days ago
Delta
Thu, Dec 4 - Sun, Dec 7
CHS
Charleston
SAT
San Antonio
$265 Roundtrip, found 1 hour ago
$265
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Dec 4 from Charleston to San Antonio, returning Sun, Dec 7, priced at $265 found 1 hour ago

Find the cheapest month to fly from Charleston (CHS) to San Antonio (SAT)

August is typically the cheapest month to fly

From $183 - $704 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $487
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $487

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT) cost?
Grab a cheap one-way flight from $86 or cheap return flight from $169 from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT)?
December is the most affordable month to fly from CHS to SAT. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CHS to SAT flight.
How many flights per day from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT)?
You'll need to hop on a flight with a layover when traveling from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from CHS to SAT?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT)?
Choose a flight from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT) last-minute?
Booking your plane ticket from CHS to SAT right before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a CHS to SAT flight and hotel package?
You'll generally save money by securing a CHS to SAT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to San Antonio Intl. Airport (SAT)?
Typically, it's possible to cancel or reschedule your CHS to SAT flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Charleston Intl.
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$169
Distance
1112 mi

Book with confidence

Charleston to San Antonio Flights

The cheapest times to fly from Charleston to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Charleston to San Antonio are during the month of December. You can find some of the cheapest flights from Charleston to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charleston to San Antonio

Sunday is one of the best days to book for cheap flights from Charleston to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Charleston to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Charleston to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $86 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Charleston to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Charleston to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Charleston to San Antonio Flights

Explore a world of travel with Expedia

*Available to One Key members.