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$133+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
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 June 15, 2025.

Round-trip from

$221
(FlightHub)

One-way from

$133
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$411
From San Antonio to Charleston
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One-way flight from San Antonio to Charleston
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Highest demand for flights based on searches. 13% potential increase in price ($67 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 June 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 June 15, 2025.

This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/187:10 amSAT - CHS
1 stop6h 35mSpirit Airlines
Mon 7/219:38 amCHS - SAT
1 stop14h 04mSpirit Airlines
Deal found 6/14$221
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:55 pmSAT - CHS
1 stop7h 38mUnited Airlines
Mon 8/117:00 amCHS - SAT
1 stop7h 16mUnited Airlines
Deal found 6/13$277
This Southwest deal was found by Cheapflights users on 6/13. 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.
Mon 8/43:35 pmSAT - CHS
2 stops6h 45mSouthwest
Mon 8/117:35 pmCHS - SAT
1 stop4h 50mSouthwest
Deal found 6/13$282
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/310:45 amSAT - CHS
1 stop5h 06mDelta
Sat 11/154:30 pmCHS - SAT
1 stop4h 49mDelta
Deal found 6/13$297
This Mytrip deal was found by Cheapflights users on 6/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/92:11 pmSAT - CHS
2 stops18h 34mMultiple Airlines
Sat 7/129:48 pmCHS - SAT
2 stops19h 45mMultiple Airlines
Deal found 6/13$320
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 8/12:13 pmSAT - CHS
1 stop7h 01mAmerican Airlines
Tue 8/52:38 pmCHS - SAT
1 stop9h 00mAmerican Airlines
Deal found 6/14$332
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Thu 7/32:50 pmSAT - CHS
2 stops25h 10mAlaska Airlines
Sun 7/66:03 pmCHS - SAT
2 stops16h 10mAlaska Airlines
Deal found 6/14$1,334

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 June 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

Fri 7/18

7:10 am-2:45 pm

1 stop6h 35m

Charleston

Mon 7/21

9:38 am-10:42 pm

1 stop14h 04m

$221

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 8/4

12:55 pm-9:33 pm

1 stop7h 38m

Charleston

Mon 8/11

7:00 am-1:16 pm

1 stop7h 16m

$277

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 8/4

3:35 pm-11:20 pm

2 stops6h 45m

Charleston

Mon 8/11

7:35 pm-11:25 pm

1 stop4h 50m

$282

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 11/3

10:45 am-4:51 pm

1 stop5h 06m

Charleston

Sat 11/15

4:30 pm-8:19 pm

1 stop4h 49m

$297

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 7/9

2:11 pm-9:45 am

2 stops18h 34m

Charleston

Sat 7/12

9:48 pm-4:33 pm

2 stops19h 45m

$320

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 8/1

2:13 pm-10:14 pm

1 stop7h 01m

Charleston

Tue 8/5

2:38 pm-10:38 pm

1 stop9h 00m

$332

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 7/3

2:50 pm-5:00 pm

2 stops25h 10m

Charleston

Sun 7/6

6:03 pm-9:13 am

2 stops16h 10m

$1,334

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 9/4

6:13 pm-6:21 pm

1 stop23h 08m

$133

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 7/29

6:30 am-1:31 pm

1 stop6h 01m

$177

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 7/29

1:25 pm-10:45 pm

2 stops8h 20m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 12 results
1
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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 June 13, 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, 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 June 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 June 15, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

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

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

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
4,285 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

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
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

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
8,793 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

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

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

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 $221 on this airline. Additional options worth looking into are United Airlines and Southwest, starting at $277 and $282 round-trip. These flights start at 48% 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 $133. American Airlines flights start at $177 while deals on Southwest start at $199 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
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
Edisto Beach

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Alternative routes for San Antonio to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$191Average$263FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$279Average$384FlexibilityNo cancel feeOn-time71%
DeltaCheapest$282Average$447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$482FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$472FlexibilityNo cancel feeOn-time63%

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