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$124+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Charleston are usually found in July or May, booked 44 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$200
(Mytrip)

One-way from

$124
(Booking.com)

Popular in

April

Cheapest in

July

Average price

$583
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. 10% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/14. 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 5/81:52 pmSAT - CHS
2 stops20h 41mSpirit Airlines
Mon 5/1212:33 pmCHS - SAT
2 stops25h 24mSpirit Airlines
Deal found 4/14$200
This Mytrip deal was found by Cheapflights users on 4/14. 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 5/81:52 pmSAT - CHS
2 stops20h 41mMultiple Airlines
Mon 5/129:31 pmCHS - SAT
1 stop16h 26mMultiple Airlines
Deal found 4/14$287
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:42 pmSAT - CHS
1 stop4h 43mAmerican Airlines
Sun 9/75:38 pmCHS - SAT
1 stop5h 47mAmerican Airlines
Deal found 4/14$302
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:30 pmSAT - CHS
1 stop4h 28mDelta
Mon 5/125:35 amCHS - SAT
1 stop5h 02mDelta
Deal found 4/14$319
This Southwest deal was found by Cheapflights users on 4/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:15 pmSAT - CHS
1 stop5h 10mSouthwest
Mon 10/205:20 amCHS - SAT
1 stop4h 40mSouthwest
Deal found 4/13$387
This United deal was found by Cheapflights users on 4/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/312:50 pmSAT - CHS
1 stop9h 29mUnited Airlines
Sat 11/152:30 pmCHS - SAT
2 stops9h 03mUnited Airlines
Deal found 4/14$472
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/257:05 amSAT - CHS
2 stops33h 46mAlaska Airlines
Sun 6/86:56 pmCHS - SAT
2 stops28h 02mAlaska Airlines
Deal found 4/14$1,024

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 April 15, 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 5/8

1:52 pm-11:33 am

2 stops20h 41m

Charleston

Mon 5/12

12:33 pm-12:57 pm

2 stops25h 24m

$200

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 5/8

1:52 pm-11:33 am

2 stops20h 41m

Charleston

Mon 5/12

9:31 pm-12:57 pm

1 stop16h 26m

$287

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 9/4

6:42 pm-12:25 am

1 stop4h 43m

Charleston

Sun 9/7

5:38 pm-10:25 pm

1 stop5h 47m

$302

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 5/8

1:30 pm-6:58 pm

1 stop4h 28m

Charleston

Mon 5/12

5:35 am-9:37 am

1 stop5h 02m

$319

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 6/19

6:30 pm-10:00 am

2 stops14h 30m

Charleston

Sun 6/22

8:25 pm-11:40 pm

1 stop4h 15m

$458

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 5/18

2:25 pm-9:40 pm

1 stop6h 15m

Charleston

Sun 5/25

6:30 am-5:42 pm

2 stops12h 12m

$507

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 5/25

7:05 am-5:51 pm

2 stops33h 46m

Charleston

Sun 6/8

6:56 pm-9:58 pm

2 stops28h 02m

$1,024

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 4/30

10:09 am-6:35 pm

1 stop7h 26m

$124

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 4/29

7:00 am-2:46 pm

1 stop6h 46m

$224

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 4/22

5:03 pm-4:23 pm

1 stop22h 20m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 12 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Charleston flight deals on Cheapflights vs. FlightHub >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 April 11, 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 44 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 April 15, 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.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

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.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

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).

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 April 15, 2025.
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 $200 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $302 and $319 round-trip. These flights start at 51% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $124. Delta flights start at $224 while deals on American Airlines start at $304 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, 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 San Antonio?

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

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Top 5 airlines flying from San Antonio to Charleston

Discover the top 5 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$171Average$222FlexibilityNo cancel feeOn-time65%
DeltaCheapest$276Average$439FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$482FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$383FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$366Average$452FlexibilityNo cancel feeOn-time63%

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