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

View $86 flight on Sun, Dec 7, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $86 for one-way flights and $203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Fri, Dec 5 - Tue, Dec 9
SAT
San Antonio
CHS
Charleston
$203 Roundtrip, found 5 days ago
$203
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Fri, Dec 5 from San Antonio to Charleston, returning Tue, Dec 9, priced at $203 found 5 days ago
Spirit Airlines
Fri, Dec 12 - Mon, Dec 15
SAT
San Antonio
CHS
Charleston
$212 Roundtrip, found 3 days ago
$212
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri, Dec 12 from San Antonio to Charleston, returning Mon, Dec 15, priced at $212 found 3 days ago
American Airlines
Mon, Nov 24 - Tue, Dec 2
SAT
San Antonio
CHS
Charleston
$218 Roundtrip, found 6 hours ago
$218
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Nov 24 from San Antonio to Charleston, returning Tue, Dec 2, priced at $218 found 6 hours ago
Spirit Airlines
Sun, Dec 7 - Sun, Jan 18
SAT
San Antonio
CHS
Charleston
$220 Roundtrip, found 6 days ago
$220
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Sun, Dec 7 from San Antonio to Charleston, returning Sun, Jan 18, priced at $220 found 6 days ago
Spirit Airlines
Sun, Dec 7 - Thu, Dec 11
SAT
San Antonio
CHS
Charleston
$247 Roundtrip, found 3 days ago
$247
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sun, Dec 7 from San Antonio to Charleston, returning Thu, Dec 11, priced at $247 found 3 days ago
Spirit Airlines
Fri, Dec 5 - Wed, Dec 10
SAT
San Antonio
CHS
Charleston
$248 Roundtrip, found 5 days ago
$248
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Fri, Dec 5 from San Antonio to Charleston, returning Wed, Dec 10, priced at $248 found 5 days ago
Southwest Airlines
Wed, Dec 3 - Tue, Dec 9
SAT
San Antonio
CHS
Charleston
$255 Roundtrip, just found
$255
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Dec 3 from San Antonio to Charleston, returning Tue, Dec 9, priced at $255 just found
American Airlines
Sat, Dec 13 - Wed, Dec 17
SAT
San Antonio
CHS
Charleston
$255 Roundtrip, found 19 hours ago
$255
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Dec 13 from San Antonio to Charleston, returning Wed, Dec 17, priced at $255 found 19 hours ago
Delta
Mon, Nov 24 - Tue, Dec 2
SAT
San Antonio
CHS
Charleston
$258 Roundtrip, found 6 hours ago
$258
Roundtrip
found 6 hours ago
Select Delta flight, departing Mon, Nov 24 from San Antonio to Charleston, returning Tue, Dec 2, priced at $258 found 6 hours ago
United
Fri, Feb 6 - Mon, Feb 9
SAT
San Antonio
CHS
Charleston
$265 Roundtrip, found 1 hour ago
$265
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Feb 6 from San Antonio to Charleston, returning Mon, Feb 9, priced at $265 found 1 hour ago

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

August is typically the cheapest month to fly

From $182 - $700 per traveler.

Alternative airports near Charleston

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

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $370
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $370
Flights from San Antonio (SAT) to Charleston (CHS)
Origin airport
San Antonio Intl.
Destination airport
Charleston Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$202
Distance
1112 mi

San Antonio to Charleston Flights

The cheapest times to fly from San Antonio to Charleston

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 San Antonio to Charleston are during the month of December. You can find some of the cheapest flights from San Antonio to Charleston with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Antonio to Charleston: 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 San Antonio to Charleston

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 San Antonio to Charleston 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 San Antonio to Charleston 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 San Antonio to Charleston 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.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS) cost?
Snag a cheap one-way flight from $86 or cheap return flight from $203 from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS)?
Planning your getaway for December is a great way to save, as it's the cheapest month for flights between SAT and CHS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS)?
To find the cheapest airline that'll fly you from SAT to CHS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS)?
There are no daily nonstop flights from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SAT to CHS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS)?
To avoid possible delays on the San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS) last-minute?
Booking your plane ticket from SAT to CHS shortly before your trip is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SAT to CHS flight and hotel package?
Securing a SAT to CHS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Charleston Intl. Airport (CHS)?
Typically, it's possible to cancel or reschedule your SAT to CHS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.