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$265+ Cheap flights from San Antonio to Charleston (SAT - CHS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
jun. 2 — jun. 91
lun. 6/2
lun. 6/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Charleston are usually found in July or January, booked 18 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 mayo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$265
(Mytrip)

Popular in

April

Cheapest in

July

Average price

$395
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
Highest demand for flights based on searches. 14% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 28, 2025.

This Mytrip deal was found by Cheapflights users on 5/27. 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.
mié. 6/117:05 amSAT - CHS
1 stop24h 32mSpirit Airlines
dom. 6/157:03 amCHS - SAT
2 stops29h 34mSpirit Airlines
Deal found 5/27$265
This Mytrip deal was found by Cheapflights users on 5/27. 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.
jue. 6/1212:32 pmSAT - CHS
2 stops28h 20mMultiple Airlines
dom. 6/157:03 amCHS - SAT
2 stops29h 34mMultiple Airlines
Deal found 5/27$281
This Southwest deal was found by Cheapflights users on 5/27. 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.
mar. 8/2612:05 pmSAT - CHS
1 stop4h 55mSouthwest
sáb. 8/306:00 amCHS - SAT
1 stop4h 45mSouthwest
Deal found 5/27$342
This United Airlines deal was found by Cheapflights users on 5/27. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/99:50 amSAT - CHS
1 stop5h 26mUnited Airlines
vie. 9/126:05 amCHS - SAT
1 stop6h 56mUnited Airlines
Deal found 5/27$348
This Delta deal was found by Cheapflights users on 5/27. 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.
dom. 7/65:25 amSAT - CHS
1 stop7h 31mDelta
mar. 7/86:25 amCHS - SAT
1 stop4h 20mDelta
Deal found 5/27$353
This American Airlines deal was found by Cheapflights users on 5/27. 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.
vie. 8/157:00 amSAT - CHS
1 stop5h 50mAmerican Airlines
lun. 8/185:33 pmCHS - SAT
2 stops6h 26mAmerican Airlines
Deal found 5/27$376
This Alaska Airlines deal was found by Cheapflights users on 5/27. 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.
lun. 11/37:00 pmSAT - CHS
2 stops28h 14mAlaska Airlines
sáb. 11/159:30 amCHS - SAT
2 stops15h 18mAlaska Airlines
Deal found 5/27$743

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 mayo 28, 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

mié. 6/11

7:05 am-8:37 am

1 stop24h 32m

Charleston

dom. 6/15

7:03 am-11:37 am

2 stops29h 34m

$265

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

jue. 6/12

12:32 pm-5:52 pm

2 stops28h 20m

Charleston

dom. 6/15

7:03 am-11:37 am

2 stops29h 34m

$281

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

mié. 7/2

6:00 am-11:55 am

1 stop4h 55m

Charleston

sáb. 7/5

7:00 am-1:23 pm

1 stop7h 23m

$317

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

mar. 8/26

12:05 pm-6:00 pm

1 stop4h 55m

Charleston

sáb. 8/30

6:00 am-9:45 am

1 stop4h 45m

$342

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

mié. 7/9

10:40 am-4:09 pm

1 stop4h 29m

Charleston

dom. 7/13

5:15 am-11:19 am

1 stop7h 04m

$353

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

jue. 8/7

12:55 pm-9:33 pm

1 stop7h 38m

Charleston

mar. 8/12

3:51 pm-10:38 pm

1 stop7h 47m

$422

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

jue. 6/12

7:00 am-6:13 pm

2 stops34h 13m

Charleston

dom. 6/15

6:03 pm-9:12 am

2 stops16h 09m

$1,144

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

jue. 6/12

5:20 pm-12:38 am

1 stop6h 18m

$444

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

jue. 6/12

7:00 pm-10:43 am

2 stops14h 43m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 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 May 23, 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 18 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 mayo 28, 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 mayo 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from San Antonio to Charleston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,957 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,756 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $265 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $317 and $342 round-trip. These flights start at 37% 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 San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
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 mayo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$171Average$255FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$279Average$383FlexibilityNo cancel feeOn-time71%
DeltaCheapest$282Average$469FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$482FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$366Average$451FlexibilityNo cancel feeOn-time63%

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