Question 1

What’s the top layover airport for flights from San Antonio to Charleston?

Accepted Answer

Nashville (BNA) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Antonio to Charleston on Cheapflights.

Question 2

What’s the fastest layover option from San Antonio to Charleston?

Accepted Answer

Flights via Nashville (BNA) have the shortest average one-way travel time for 1-stop routes: 4h 10m.

Question 3

Which airport typically offers the quickest layover for flights from San Antonio to Charleston?

Accepted Answer

Flights via Nashville (BNA) offer the fastest connection on this route, with an average layover time of 0h 45m.

Question 4

What’s the cheapest layover airport for flights from San Antonio to Charleston?

Accepted Answer

Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $209.

Question 5

What are the cheapest airlines flying from San Antonio to Charleston round-trip?

Accepted Answer

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 $199 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $284 and $306 round-trip. These flights start at 53% lower than the current average price 3 months from now.

Question 6

How far ahead should I book a flight from San Antonio to Charleston?

Accepted Answer

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.

Question 7

What is the cheapest month to book a flight from San Antonio to Charleston?

Accepted Answer

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.

Question 8

What is the cheapest day to fly from San Antonio to Charleston?

Accepted Answer

Travelers seeking maximum savings on their San Antonio to Charleston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 9

E

Accepted Answer

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.

Question 10

E

Accepted Answer

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).

Question 11

What are the most popular airlines that fly from San Antonio to Charleston?

Accepted Answer

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from San Antonio to Charleston.

Question 12

What is the cheapest day to fly round-trip from San Antonio to Charleston?

Accepted Answer

Flights from San Antonio to Charleston are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Charleston.

Question 13

How far in advance should I book a flight from San Antonio to Charleston?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 10 days in advance, which can save you up to 109% on flights from San Antonio to Charleston compared to booking the week you need them. Waiting 10 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $263. For sooner than that we have options available in the next 3 days from $574.

Question 14

What is the cheapest month to fly from San Antonio to Charleston?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, January can be a great choice for travel to Charleston. Flights to Charleston from San Antonio in January are about $430 on average during January, but can be found for as low as $319.

Question 15

What is the cheapest time of day to fly from SAT to CHS?

Accepted Answer

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.

Question 16

Can I find deals for flights from San Antonio to Charleston that include hotel bookings?

Accepted Answer

Yes. In addition to deals on San Antonio to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 17

How can I find direct flights from San Antonio to Charleston?

Accepted Answer

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.

Question 18

Can I find deals for business class flights from San Antonio to Charleston?

Accepted Answer

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.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$199	Average$263	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$284	Average$388	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$306	Average$392	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$352	Average$458	FlexibilityNo cancel fee	On-time63%

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

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Cheapflights Tip: The best prices from San Antonio to Charleston are usually found in January or August, booked 9 days in advance, depart on a Wednesday or Tuesday and return on a Friday

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.

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 August 8, 2025.

What is the cheapest month to book a flight from San Antonio to Charleston?

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 August 18, 2025.

What’s the top layover airport for flights from San Antonio to Charleston?

Share of 1-stop round-trip flights from San Antonio to Charleston chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from San Antonio to Charleston?

Average round-trip fare for 1-stop flights from San Antonio to Charleston, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from San Antonio to Charleston?

Shortest average travel time for 1-stop one-way flights from San Antonio to Charleston, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from San Antonio to Charleston?

Average layover duration for 1-stop one-way flights from San Antonio to Charleston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Charleston

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.

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?

Can I find deals for flights from San Antonio to Charleston that include hotel bookings?

How can I find direct flights from San Antonio to Charleston?

Can I find deals for business class flights from San Antonio to Charleston?

What is the cheapest month to book a flight from San Antonio to Charleston?

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Top 4 airlines flying from San Antonio to Charleston

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