What’s the top layover airport for flights from San Antonio to Charleston?

Nashville (BNA) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Antonio to Charleston on Cheapflights.

What’s the fastest layover option from San Antonio to Charleston?

Flights via Nashville (BNA) have the shortest average one-way travel time for 1-stop routes: 4h 10m.

Which airport typically offers the quickest layover for flights from San Antonio to Charleston?

Flights via Nashville (BNA) offer the fastest connection on this route, with an average layover time of 0h 45m.

What’s the cheapest layover airport for flights from San Antonio to Charleston?

Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $209.

How long is the flight from San Antonio to Charleston?

There are many flights that can get you from San Antonio to Charleston in 4h 18m. Fly via Spirit Airlines, Southwest, or Delta to get the fastest option. The distance from San Antonio to Charleston is about 1111 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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 $290 and $306 round-trip. These flights start at 52% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from San Antonio to Charleston one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $128. Southwest flights start at $141 while deals on Delta start at $148 one-way.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the most popular airlines that fly from San Antonio to Charleston?

Consider Southwest, Delta or American Airlines when booking your flight. These represent the most popular airlines when flying from San Antonio to Charleston.

Most accurate provider : When it comes to deals on San Antonio-Charleston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Charleston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Charleston flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Antonio-Charleston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$141+ Flights from San Antonio to Charleston

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 December, booked 9 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap 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 December 8, 2025.

Sun 12/215:10 amSAT - CHS

1 stop4h 20mDelta

Thu 12/255:30 amCHS - SAT

1 stop5h 41mDelta

Deal found 12/6

$384

Sun 12/215:48 pmSAT - CHS

1 stop5h 17mAmerican Airlines

Thu 12/256:44 amCHS - SAT

2 stops8h 26mAmerican Airlines

Deal found 12/6

$389

Thu 12/257:05 amSAT - CHS

1 stop5h 51mDelta

Mon 12/298:05 pmCHS - SAT

1 stop5h 33mDelta

Deal found 12/6

$390

Thu 12/2510:35 amSAT - CHS

2 stops7h 57mAmerican Airlines

Mon 12/293:38 pmCHS - SAT

1 stop6h 03mAmerican Airlines

Deal found 12/6

$429

Sat 12/205:50 pmSAT - CHS

1 stop4h 35mSouthwest

Thu 1/17:20 pmCHS - SAT

1 stop5h 00mSouthwest

Deal found 12/7

$450

Mon 12/225:40 amSAT - CHS

1 stop6h 40mSouthwest

Fri 1/25:10 amCHS - SAT

1 stop4h 35mSouthwest

Deal found 12/7

$457

Mon 12/227:11 pmSAT - CHS

1 stop12h 26mMultiple Airlines

Sat 1/39:09 pmCHS - SAT

2 stops33h 28mMultiple Airlines

Deal found 12/7

$474

Fri 12/195:56 pmSAT - CHS

2 stops42h 14mMultiple Airlines

Fri 12/2610:18 pmCHS - SAT

1 stop26h 08mMultiple Airlines

Deal found 12/7

$483

Sun 12/2112:45 pmSAT - CHS

1 stop19h 12mMultiple Airlines

Sat 1/39:09 pmCHS - SAT

2 stops33h 28mMultiple Airlines

Deal found 12/7

$503

Best flights from San Antonio to Charleston
Discover carefully curated flight deals from San Antonio to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 8, 2025.

Sun 1/412:45 pmSAT - CHS

1 stop19h 12mMultiple Airlines

Sun 1/256:35 pmCHS - SAT

1 stop16h 05mMultiple Airlines

Deal found 12/8

$300

Tue 3/106:00 amSAT - CHS

2 stops9h 05mSpirit Airlines

Tue 3/177:00 amCHS - SAT

1 stop27h 22mSpirit Airlines

Deal found 12/6

$337

Sat 2/219:30 amSAT - CHS

2 stops7h 40mSouthwest

Tue 2/249:05 amCHS - SAT

2 stops9h 35mSouthwest

Deal found 12/7

$347

Thu 1/226:30 amSAT - CHS

1 stop4h 18mDelta

Mon 1/267:00 pmCHS - SAT

1 stop6h 38mDelta

Deal found 12/8

$359

Sun 12/215:48 pmSAT - CHS

1 stop5h 17mAmerican Airlines

Thu 12/256:44 amCHS - SAT

2 stops8h 26mAmerican Airlines

Deal found 12/6

$389

Sun 1/256:17 pmSAT - CHS

1 stop4h 38mDelta

Wed 1/2810:31 amCHS - SAT

1 stop5h 50mDelta

Deal found 12/6

$372

Wed 2/410:10 amSAT - CHS

2 stops8h 00mSouthwest

Sun 2/89:05 amCHS - SAT

2 stops9h 35mSouthwest

Deal found 12/7

$382

Fri 1/97:45 amSAT - CHS

1 stop4h 52mDelta

Mon 1/1210:25 amCHS - SAT

1 stop7h 50mDelta

Deal found 12/7

$383

Sun 12/215:10 amSAT - CHS

1 stop4h 20mDelta

Thu 12/255:30 amCHS - SAT

1 stop5h 41mDelta

Deal found 12/6

$384

Thu 12/257:05 amSAT - CHS

1 stop5h 51mDelta

Mon 12/298:05 pmCHS - SAT

1 stop5h 33mDelta

Deal found 12/6

$390

Tue 3/101:37 pmSAT - CHS

1 stop4h 57mDelta

Tue 3/172:47 pmCHS - SAT

1 stop8h 00mDelta

Deal found 12/6

$407

Last-minute flights from San Antonio to Charleston
Discover last-minute flight deals from San Antonio to Charleston. Data last updated December 8, 2025 and is based on user searches.

Sun 12/215:10 amSAT - CHS

1 stop4h 20mDelta

Thu 12/255:30 amCHS - SAT

1 stop5h 41mDelta

Deal found 12/6

$384

Sun 1/412:45 pmSAT - CHS

2 stops31h 38mSpirit Airlines

Sun 1/256:35 pmCHS - SAT

1 stop16h 05mSpirit Airlines

Deal found 12/6

$282

Sun 1/412:45 pmSAT - CHS

1 stop19h 12mMultiple Airlines

Sun 1/256:35 pmCHS - SAT

1 stop16h 05mMultiple Airlines

Deal found 12/7

$294

Fri 1/97:45 amSAT - CHS

1 stop4h 52mDelta

Mon 1/1210:25 amCHS - SAT

1 stop7h 50mDelta

Deal found 12/7

$383

Thu 1/226:30 amSAT - CHS

1 stop4h 18mDelta

Mon 1/267:00 pmCHS - SAT

1 stop6h 38mDelta

Deal found 12/8

$359

Sat 1/246:30 amSAT - CHS

1 stop25h 08mMultiple Airlines

Tue 1/273:01 pmCHS - SAT

1 stop9h 51mMultiple Airlines

Deal found 12/6

$250

Sat 1/2410:15 amSAT - CHS

2 stops8h 10mSouthwest

Tue 1/279:05 amCHS - SAT

2 stops9h 35mSouthwest

Deal found 12/6

$309

Sun 1/256:30 amSAT - CHS

1 stop4h 18mDelta

Wed 1/285:25 amCHS - SAT

1 stop5h 25mDelta

Deal found 12/8

$372

One-way flights from San Antonio to Charleston
Search for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated December 8, 2025.

Wed 12/316:00 amSAT - CHS

1 stop7h 48mAmerican Airlines

Deal found 12/7

$141

Wed 4/810:26 amSAT - CHS

1 stop11h 11mSpirit Airlines

Deal found 12/6

$143

Sun 1/412:45 pmSAT - CHS

1 stop19h 12mMultiple Airlines

Deal found 12/6

$158

Mon 12/157:43 pmSAT - CHS

2 stops11h 54mMultiple Airlines

Deal found 12/6

$166

Mon 4/610:26 amSAT - CHS

1 stop11h 11mSpirit Airlines

Deal found 12/8

$184

Mon 12/151:55 pmSAT - CHS

1 stop5h 59mSpirit Airlines

Deal found 12/8

$188

Wed 12/176:10 pmSAT - CHS

2 stops19h 18mMultiple Airlines

Deal found 12/8

$207

Wed 4/87:00 amSAT - CHS

2 stops9h 40mSouthwest

Deal found 12/6

$209

Find flight deals from San Antonio to Charleston

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$218 (Kiwi.com)
One-way from	$141 (American Airlines)
Popular in	April
Cheapest in	January
Average price	$372

Provider with most accurate pricing for San Antonio-Charleston flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Antonio-Charleston flights.

Search Deals

From San Antonio to Charleston

Search Deals

One-way flight from San Antonio to Charleston

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($78 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 1/4

12:45 pm-8:57 am

1 stop19h 12m

Charleston

Sun 1/25

6:35 pm-9:40 am

1 stop16h 05m

$300

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 3/10

6:00 am-4:05 pm

2 stops9h 05m

Charleston

Tue 3/17

7:00 am-9:22 am

1 stop27h 22m

$337

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 2/21

9:30 am-6:10 pm

2 stops7h 40m

Charleston

Tue 2/24

9:05 am-5:40 pm

2 stops9h 35m

$347

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 1/22

6:30 am-11:48 am

1 stop4h 18m

Charleston

Mon 1/26

7:00 pm-12:38 am

1 stop6h 38m

$359

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 1/25

6:17 pm-11:55 pm

1 stop4h 38m

Charleston

Wed 1/28

10:31 am-3:21 pm

1 stop5h 50m

$372

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 2/4

10:10 am-7:10 pm

2 stops8h 00m

Charleston

Sun 2/8

9:05 am-5:40 pm

2 stops9h 35m

$382

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 1/9

7:45 am-1:37 pm

1 stop4h 52m

Charleston

Mon 1/12

10:25 am-5:15 pm

1 stop7h 50m

$383

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 12/21

5:10 am-10:30 am

1 stop4h 20m

Charleston

Thu 12/25

5:30 am-10:11 am

1 stop5h 41m

$384

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 12/21

5:48 pm-12:05 am

1 stop5h 17m

Charleston

Thu 12/25

6:44 am-2:10 pm

2 stops8h 26m

$389

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 12/25

7:05 am-1:56 pm

1 stop5h 51m

Charleston

Mon 12/29

8:05 pm-12:38 am

1 stop5h 33m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 19 results

Compare providers for flights from San Antonio to Charleston

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Charleston in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Antonio-Charleston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Charleston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Charleston flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Antonio-Charleston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Prices

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

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, January is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $167). Flying from San Antonio to Charleston in March is currently the most expensive (average of $276). 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?

It’s optimal to fly from San Antonio to Charleston in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Charleston

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

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,252 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,011 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,044 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Spirit Airlines

6.3

Okay

8,166 reviews

Southwest

8.0

Very good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from San Antonio to Charleston?
There are many flights that can get you from San Antonio to Charleston in 4h 18m. Fly via Spirit Airlines, Southwest, or Delta to get the fastest option. The distance from San Antonio to Charleston is about 1111 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 $290 and $306 round-trip. These flights start at 52% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from San Antonio to Charleston one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $128. Southwest flights start at $141 while deals on Delta start at $148 one-way.
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, January is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $167). Flying from San Antonio to Charleston in March is currently the most expensive (average of $276). 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

North Charleston

Santee

Summerville

Walterboro

Isle of Palms

Mount Pleasant

Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Antonio to Charleston

Dallas/Fort Worth to Charlotte flights

Hobby to Charlotte flights

George Bush Intcntl to Charlotte flights

Love Field to Charlotte flights

Dallas/Fort Worth to Charleston flights

Hobby to Savannah flights

Austin to Charlotte flights

Dallas/Fort Worth to Savannah flights

George Bush Intcntl to Savannah flights

Hobby to Charleston flights

Dallas/Fort Worth to Myrtle Beach flights

George Bush Intcntl to Charleston flights

Austin to Savannah flights

Hobby to Greenville flights

George Bush Intcntl to Greenville flights

Love Field to Charleston flights

Love Field to Savannah flights

San Antonio to Charlotte flights

Dallas/Fort Worth to Greenville flights

Austin to Charleston flights

El Paso to Columbia flights

Dallas/Fort Worth to Columbia flights

Hobby to Columbia flights

Austin to Greenville flights

George Bush Intcntl to Columbia flights

Dallas/Fort Worth to Augusta flights

San Antonio to Columbia flights

Austin to Columbia flights

Austin to Myrtle Beach flights

Love Field to Myrtle Beach flights

San Antonio to Savannah flights

Hobby to Myrtle Beach flights

San Antonio to Greenville flights

George Bush Intcntl to Myrtle Beach flights

Amarillo to Charleston flights

El Paso to Charlotte flights

Love Field to Greenville flights

El Paso to Charleston flights

San Antonio to Myrtle Beach flights

San Antonio to Augusta flights

Austin to Hilton Head Island flights

Hobby to Augusta flights

Lubbock to Savannah flights

Love Field to Augusta flights

Love Field to Columbia flights

Killeen to Savannah flights

Austin to Augusta flights

El Paso to Savannah flights

McAllen to Charlotte flights

Other flights to Charleston

Complete your trip

Charleston car rentals

Charleston Airport car rentals

Savannah/Hilton Head Airport car rentals

Myrtle Beach Intl Airport car rentals

Hilton Head Island Airport car rentals

Florence Airport car rentals

Myrtle Beach car rentals

Columbia car rentals

Greenville car rentals

Florence car rentals

Hilton Head Island car rentals

Top 4 airlines flying from San Antonio to Charleston

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$201	Average$285	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$290	Average$405	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$306	Average$385	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$310	Average$448	FlexibilityNo cancel fee	On-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.

$141+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio to Charleston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Cheap flight deals from San Antonio to Charleston

Cheapest flights from San Antonio to CharlestonExplore 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 December 8, 2025.

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 December 8, 2025.

Find flight deals from San Antonio to Charleston

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Charleston that are best for you.

Compare providers for flights from San Antonio to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Charleston in December.

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.

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?

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

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

What’s the top layover airport for flights from San Antonio to Charleston?

What’s the cheapest layover airport for flights from San Antonio to Charleston?

What’s the fastest layover option from San Antonio to Charleston?

Which airport typically offers the quickest layover for flights from San Antonio to Charleston?

Reviews of airlines servicing Charleston

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.

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?

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

What are the cheapest airlines to fly from San Antonio to Charleston one-way?

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

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

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

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

Traveling to a place near Charleston?

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.

Top 4 airlines flying from San Antonio to Charleston

100% Free

Book with Flexibility

Travel Smart

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 December 8, 2025.