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$101+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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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 November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$254
(Mytrip)

One-way from

$101
(Spirit)

Popular in

April

Cheapest in

January

Average price

$432
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. 14% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 18, 2025.

This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:55 pmSAT - CHS
1 stop5h 59mSpirit Airlines
Mon 12/811:55 amCHS - SAT
2 stops12h 31mSpirit Airlines
Deal found 11/18$254
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Mon 12/15:07 pmSAT - CHS
2 stops14h 30mMultiple Airlines
Thu 12/49:49 pmCHS - SAT
1 stop26h 37mMultiple Airlines
Deal found 11/17$257
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Wed 12/37:37 pmSAT - CHS
1 stop24h 17mSpirit Airlines
Fri 12/511:55 amCHS - SAT
2 stops12h 31mSpirit Airlines
Deal found 11/17$291
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/53:10 pmSAT - CHS
2 stops18h 50mSpirit Airlines
Sun 12/79:49 pmCHS - SAT
1 stop26h 37mSpirit Airlines
Deal found 11/18$293
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Wed 12/37:37 pmSAT - CHS
1 stop24h 17mMultiple Airlines
Fri 12/53:33 pmCHS - SAT
1 stop23h 42mMultiple Airlines
Deal found 11/17$306
This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Tue 12/26:07 pmSAT - CHS
1 stop25h 21mMultiple Airlines
Sat 12/611:55 amCHS - SAT
2 stops29h 56mMultiple Airlines
Deal found 11/17$308
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:33 pmSAT - CHS
2 stops19h 47mSpirit Airlines
Thu 12/411:55 amCHS - SAT
3 stops30h 10mSpirit Airlines
Deal found 11/17$312
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:10 pmSAT - CHS
2 stops18h 50mSpirit Airlines
Mon 12/1511:55 amCHS - SAT
2 stops12h 31mSpirit Airlines
Deal found 11/17$324

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 November 18, 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 12/4

1:55 pm-8:54 pm

1 stop5h 59m

Charleston

Mon 12/8

11:55 am-11:26 pm

2 stops12h 31m

$254

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 12/3

7:37 pm-8:54 pm

1 stop24h 17m

Charleston

Fri 12/5

11:55 am-11:26 pm

2 stops12h 31m

$291

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 12/5

3:10 pm-11:00 am

2 stops18h 50m

Charleston

Sun 12/7

9:49 pm-11:26 pm

1 stop26h 37m

$293

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 12/2

6:07 pm-8:28 pm

1 stop25h 21m

Charleston

Sat 12/6

11:55 am-4:51 pm

2 stops29h 56m

$308

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 12/9

6:10 pm-2:29 pm

2 stops19h 19m

Charleston

Sun 12/21

2:59 pm-11:50 am

1 stop21h 51m

$312

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 12/20

6:00 pm-1:50 am

1 stop6h 50m

Charleston

Wed 12/24

7:20 pm-11:20 pm

1 stop5h 00m

$336

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 12/2

7:00 am-1:55 pm

1 stop5h 55m

Charleston

Sat 12/6

4:38 pm-11:00 pm

1 stop7h 22m

$337

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 12/2

7:37 pm-5:20 pm

3 stops20h 43m

Charleston

Sat 12/6

11:55 am-1:00 pm

2 stops26h 05m

$345

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 12/15

8:28 am-2:22 pm

1 stop4h 54m

Charleston

Mon 1/5

3:38 pm-9:50 pm

1 stop7h 12m

$359

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 12/13

3:10 pm-8:37 am

1 stop16h 27m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 16 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice 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

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 November 14, 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, June is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $188). Flying from San Antonio to Charleston in March is currently the most expensive (average of $278). 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 November 18, 2025.

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

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 November 18, 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
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
7.9
Good
8,003 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
11,045 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
8,151 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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 5h 59m. 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, June is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $188). Flying from San Antonio to Charleston in March is currently the most expensive (average of $278). 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
Santee
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$201Average$285FlexibilityNo cancel feeOn-time65%
DeltaCheapest$296Average$406FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$310Average$445FlexibilityNo cancel feeOn-time63%

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