HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$143+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
May 5 — May 121
Mon 5/5
Mon 5/12
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 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 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$281
(Mytrip)

One-way from

$143
(American Airlines)

Popular in

April

Cheapest in

July

Average price

$645
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. 12% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 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 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/29. 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.
Wed 5/147:05 amSAT - CHS
1 stop24h 33mSpirit Airlines
Sun 5/189:43 amCHS - SAT
2 stops26h 04mSpirit Airlines
Deal found 4/29$281
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 6/176:32 amSAT - CHS
1 stop8h 01mAmerican Airlines
Wed 6/255:00 amCHS - SAT
1 stop5h 12mAmerican Airlines
Deal found 4/28$285
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 5/285:20 amSAT - CHS
1 stop7h 13mDelta
Sat 5/316:00 pmCHS - SAT
1 stop5h 51mDelta
Deal found 4/29$301
This Southwest deal was found by Cheapflights users on 4/28. 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.
Mon 7/75:30 pmSAT - CHS
1 stop4h 50mSouthwest
Wed 7/94:55 pmCHS - SAT
1 stop6h 40mSouthwest
Deal found 4/28$327
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 6/82:10 pmSAT - CHS
1 stop6h 22mUnited Airlines
Sat 6/146:30 amCHS - SAT
1 stop6h 53mUnited Airlines
Deal found 4/27$352
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Tue 6/176:55 amSAT - CHS
2 stops14h 34mMultiple Airlines
Sat 6/289:42 amCHS - SAT
2 stops32h 36mMultiple Airlines
Deal found 4/29$358
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 5/252:29 pmSAT - CHS
2 stops26h 22mAlaska Airlines
Sun 6/86:56 pmCHS - SAT
2 stops22h 59mAlaska Airlines
Deal found 4/28$974

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 30, 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

Wed 5/14

7:05 am-8:38 am

1 stop24h 33m

Charleston

Sun 5/18

9:43 am-10:47 am

2 stops26h 04m

$281

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/17

6:32 am-3:33 pm

1 stop8h 01m

Charleston

Wed 6/25

5:00 am-9:12 am

1 stop5h 12m

$285

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 5/28

5:20 am-1:33 pm

1 stop7h 13m

Charleston

Sat 5/31

6:00 pm-10:51 pm

1 stop5h 51m

$301

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 7/7

5:30 pm-11:20 pm

1 stop4h 50m

Charleston

Wed 7/9

4:55 pm-10:35 pm

1 stop6h 40m

$327

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 6/8

2:10 pm-9:32 pm

1 stop6h 22m

Charleston

Sat 6/14

6:30 am-12:23 pm

1 stop6h 53m

$352

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/17

6:55 am-10:29 pm

2 stops14h 34m

Charleston

Sat 6/28

9:42 am-5:18 pm

2 stops32h 36m

$358

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 5/25

2:29 pm-5:51 pm

2 stops26h 22m

Charleston

Sun 6/8

6:56 pm-4:55 pm

2 stops22h 59m

$974

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 5/27

11:46 am-7:58 pm

1 stop7h 12m

$143

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 5/27

1:05 pm-9:45 pm

2 stops7h 40m

$148

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 6/28

6:11 pm-11:59 pm

1 stop4h 48m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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 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 April 25, 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 30, 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 30, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

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
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

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 $281 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $285 and $301 round-trip. These flights start at 32% 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 $143. Southwest flights start at $148 while deals on Delta start at $159 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
North Charleston
Summerville
Mount Pleasant
Walterboro
Isle of Palms
Folly Beach
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.
Hobby to Charlotte flights
George Bush Intcntl to Charlotte flights
Dallas/Fort Worth to Charlotte flights
Dallas/Fort Worth to Charleston flights
Hobby to Charleston flights
George Bush Intcntl to Charleston flights
Love Field to Charlotte flights
Dallas/Fort Worth to Myrtle Beach flights
Dallas/Fort Worth to Savannah flights
Austin to Charlotte flights
Dallas/Fort Worth to Greenville flights
Hobby to Savannah flights
San Antonio to Charlotte flights
Love Field to Charleston flights
Austin to Charleston flights
George Bush Intcntl to Savannah flights
Dallas/Fort Worth to Columbia flights
Austin to Savannah flights
Hobby to Myrtle Beach flights
Love Field to Savannah flights
Hobby to Greenville flights
Austin to Greenville flights
George Bush Intcntl to Greenville flights
Austin to Myrtle Beach flights
George Bush Intcntl to Myrtle Beach flights
Love Field to Myrtle Beach flights
San Antonio to Myrtle Beach flights
San Antonio to Savannah flights
Dallas/Fort Worth to Augusta flights
Love Field to Greenville flights
Dallas/Fort Worth to Hilton Head Island flights
Hobby to Columbia flights
Love Field to Columbia flights
San Antonio to Columbia flights
George Bush Intcntl to Columbia flights
Austin to Columbia flights
San Antonio to Greenville flights
El Paso to Charlotte flights
Hobby to Augusta flights
Midland to Savannah flights
George Bush Intcntl to Augusta flights
Austin to Hilton Head Island flights
El Paso to Savannah flights
Killeen to Savannah flights
San Antonio to Augusta flights
Lubbock to Charlotte flights
Corpus Christi to Charlotte flights
McAllen to Charlotte flights
Love Field to Augusta flights

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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$188Average$222FlexibilityNo cancel feeOn-time65%
DeltaCheapest$276Average$450FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$482FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$383FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$366Average$452FlexibilityNo 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.