HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$95+ Cheap flights from San Antonio to Charleston (SAT - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Charleston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Antonio to Charleston are usually found in January or September, booked 9 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from San Antonio to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$189
(CheapOair)

One-way from

$95
(Orbitz)

Popular in

April

Cheapest in

January

Average price

$386
From San Antonio to Charleston
Search Deals
One-way flight from San Antonio to Charleston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from San Antonio to Charleston

Cheapest flights from San Antonio to Charleston
Explore the most affordable flight options available from San Antonio to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:35 pmSAT - CHS
1 stop12h 31mSpirit Airlines
Mon 10/2010:11 amCHS - SAT
1 stop9h 19mSpirit Airlines
Deal found 9/17$189
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:35 pmSAT - CHS
1 stop12h 31mSpirit Airlines
Thu 10/1610:11 amCHS - SAT
1 stop9h 19mSpirit Airlines
Deal found 9/15$199
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:45 pmSAT - CHS
2 stops23h 56mMultiple Airlines
Sun 10/2610:11 amCHS - SAT
1 stop9h 19mMultiple Airlines
Deal found 9/15$237
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:16 pmSAT - CHS
1 stop17h 29mSpirit Airlines
Sun 11/95:40 pmCHS - SAT
1 stop22h 31mSpirit Airlines
Deal found 9/16$249
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:17 pmSAT - CHS
1 stop12h 48mSpirit Airlines
Mon 10/610:11 amCHS - SAT
1 stop9h 19mSpirit Airlines
Deal found 9/15$255
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:33 amSAT - CHS
2 stops28h 34mMultiple Airlines
Mon 10/610:11 amCHS - SAT
1 stop9h 19mMultiple Airlines
Deal found 9/15$259
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:35 pmSAT - CHS
2 stops17h 54mMultiple Airlines
Fri 10/2410:11 amCHS - SAT
1 stop9h 19mMultiple Airlines
Deal found 9/17$264
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:26 pmSAT - CHS
2 stops46h 39mMultiple Airlines
Sun 10/2610:11 amCHS - SAT
1 stop9h 19mMultiple Airlines
Deal found 9/15$266
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:35 pmSAT - CHS
1 stop12h 31mSpirit Airlines
Sun 10/2610:11 amCHS - SAT
2 stops28h 36mSpirit Airlines
Deal found 9/16$277
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:35 pmSAT - CHS
1 stop12h 31mSpirit Airlines
Mon 10/1310:11 amCHS - SAT
1 stop9h 19mSpirit Airlines
Deal found 9/17$284
This KAYAK deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:55 pmSAT - CHS
2 stops24h 18mSpirit Airlines
Sun 11/210:11 amCHS - SAT
1 stop9h 19mSpirit Airlines
Deal found 9/15$289

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from San Antonio to Charleston that are best for you.

Fly from

San Antonio

Fly to

Charleston

Route

Depart

Return

Price

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 10/30

7:35 pm-9:01 am

1 stop12h 26m

Charleston

Sun 11/2

10:11 am-6:30 pm

1 stop9h 19m

$189

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 10/16

7:35 pm-9:06 am

1 stop12h 31m

Charleston

Mon 10/20

10:11 am-6:30 pm

1 stop9h 19m

$189

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 10/24

5:45 pm-6:41 pm

2 stops23h 56m

Charleston

Sun 10/26

10:11 am-6:30 pm

1 stop9h 19m

$237

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 10/2

7:17 pm-9:05 am

1 stop12h 48m

Charleston

Mon 10/6

10:11 am-6:30 pm

1 stop9h 19m

$255

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 10/17

7:35 pm-2:29 pm

2 stops17h 54m

Charleston

Fri 10/24

10:11 am-6:30 pm

1 stop9h 19m

$264

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 11/1

7:00 am-10:06 am

2 stops26h 06m

Charleston

Mon 11/3

9:56 am-6:30 pm

1 stop9h 34m

$289

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 11/1

9:03 am-11:49 pm

1 stop13h 46m

Charleston

Mon 11/3

5:09 pm-11:05 pm

1 stop6h 56m

$291

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 10/29

6:41 am-11:46 am

1 stop4h 05m

Charleston

Wed 10/29

7:05 pm-12:20 am

1 stop6h 15m

$297

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 10/26

7:35 pm-9:01 am

1 stop12h 26m

$95

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 12/12

4:16 pm-10:45 am

1 stop17h 29m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Antonio to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Charleston

How far ahead should I book a flight from San Antonio to Charleston?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Charleston. Price data was last updated on September 12, 2025.

The price you pay for your flight from San Antonio to Charleston may vary depending on when you book. For the best chance of a lower fare, look to book 9 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Antonio to Charleston?

Currently, August is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $217). Flying from San Antonio to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAT to CHS?

Find hourly flight availability from San Antonio to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from San Antonio to Charleston in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from San Antonio to Charleston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Charleston?

    There are many flights that can get you from San Antonio to Charleston in 12h 26m. Fly via Spirit Airlines to get the fastest option. The distance from San Antonio to Charleston is about 1111 mi.

  • What are the cheapest airlines flying from San Antonio to Charleston round-trip?

    Our cheapest airline available from San Antonio to Charleston is Spirit Airlines. Our recent data shows that you can find tickets from as low as $201 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $296 and $306 round-trip. These flights start at 53% lower than the current average price 3 months from now.

  • Can I find deals for flights from San Antonio to Charleston that include hotel bookings?

    Yes. In addition to deals on San Antonio to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Charleston.

  • Can I find deals for business class flights from San Antonio to Charleston?

    Yes. Cheapflights offers flight deals from San Antonio to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Charleston?

    Currently, August is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $217). Flying from San Antonio to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Santee
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Charlotte flights
Hobby to Charlotte flights
George Bush Intcntl to Charlotte flights
Dallas/Fort Worth to Charleston flights
Love Field to Charlotte flights
Hobby to Charleston flights
George Bush Intcntl to Charleston flights
Dallas/Fort Worth to Greenville flights
Austin to Charlotte flights
Dallas/Fort Worth to Savannah flights
Love Field to Charleston flights
Dallas/Fort Worth to Myrtle Beach flights
Austin to Savannah flights
Hobby to Savannah flights
Hobby to Greenville flights
Austin to Charleston flights
George Bush Intcntl to Savannah flights
George Bush Intcntl to Greenville flights
San Antonio to Charlotte flights
Love Field to Savannah flights
Dallas/Fort Worth to Columbia flights
Hobby to Myrtle Beach flights
Austin to Augusta flights
Love Field to Greenville flights
Austin to Greenville flights
Hobby to Columbia flights
San Antonio to Savannah flights
Love Field to Myrtle Beach flights
El Paso to Savannah flights
Dallas/Fort Worth to Augusta flights
George Bush Intcntl to Myrtle Beach flights
El Paso to Charleston flights
San Antonio to Columbia flights
San Antonio to Greenville flights
Austin to Myrtle Beach flights
George Bush Intcntl to Columbia flights
Austin to Columbia flights
Hobby to Augusta flights
San Antonio to Augusta flights
El Paso to Charlotte flights
Dallas/Fort Worth to Hilton Head Island flights
Love Field to Augusta flights
El Paso to Columbia flights
Harlingen to Savannah flights
Midland to Charlotte flights
George Bush Intcntl to Augusta flights
Lubbock to Savannah flights
Love Field to Columbia flights
Lubbock to Charlotte flights

Top 4 airlines flying from San Antonio to Charleston

Discover the top 4 airlines that operate flights from San Antonio to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$201Average$285FlexibilityNo cancel feeOn-time65%
DeltaCheapest$296Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$389FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$331Average$459FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.