Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Charleston to San Antonio from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to San Antonio departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Charleston to San Antonio (CHS-SAT)

Cheap round-trip flights

Spirit Airlines Logo
10:31 am - 6:13 pmCHS-SAT
8h 42m1 stop
Spirit Airlines Logo
7:19 pm - 9:26 amSAT-CHS
13h 07m1 stop
$207Spirit Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
Spirit Airlines Logo
5:40 pm - 3:11 pmCHS-SAT
22h 31m1 stop
Spirit Airlines Logo
4:16 pm - 10:45 amSAT-CHS
17h 29m1 stop
$223Spirit Airlines
Find Deal
Thu, Nov 6 - Sat, Nov 8
Delta Logo
4:30 pm - 10:23 pmCHS-SAT
6h 53m1 stop
Delta Logo
4:25 pm - 11:41 pmSAT-CHS
6h 16m1 stop
$305Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
3:20 pm - 9:30 pmCHS-SAT
7h 10m1 stop
Delta Logo
5:14 am - 10:20 amSAT-CHS
4h 06m1 stop
$316Delta
Find Deal
Fri, Oct 3 - Mon, Oct 6
Southwest Logo
2:35 pm - 9:55 pmCHS-SAT
8h 20m2 stops
Southwest Logo
5:00 am - 10:45 amSAT-CHS
4h 45m1 stop
$321Southwest
Find Deal
Fri, Sep 26 - Mon, Sep 29
Southwest Logo
7:10 am - 12:15 pmCHS-SAT
6h 05m1 stop
Southwest Logo
11:25 am - 10:00 pmSAT-CHS
9h 35m1 stop
$323Southwest
Find Deal
Tue, Sep 16 - Thu, Sep 18
American Airlines Logo
5:10 am - 11:08 amCHS-SAT
6h 58m1 stop
American Airlines Logo
6:00 am - 2:31 pmSAT-CHS
7h 31m1 stop
$328American Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 4
United Airlines Logo
6:02 am - 3:25 pmCHS-SAT
10h 23m2 stops
United Airlines Logo
1:05 pm - 11:44 pmSAT-CHS
9h 39m2 stops
$406United Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
United Airlines Logo
6:00 am - 3:18 pmCHS-SAT
10h 18m1 stop
United Airlines Logo
7:05 am - 5:51 pmSAT-CHS
9h 46m2 stops
$427United Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
4:25 pm - 10:16 pmCHS-SAT
6h 51m1 stop
American Airlines Logo
9:21 am - 4:36 pmSAT-CHS
6h 15m1 stop
$501American Airlines
Find Deal
Tue, Sep 2 - Sat, Sep 6

Delta flights from Charleston to San Antonio

Our best Delta deals on Charleston to San Antonio flight tickets
Delta
Nov 13
CHS4:30 pmCharleston
6h 53m
1 stop
SAT10:23 pmSan Antonio
Nov 17
SAT4:25 pmSan Antonio
6h 16m
1 stop
CHS11:41 pmCharleston
$305
Find similar
Delta
Oct 3
CHS3:20 pmCharleston
7h 10m
1 stop
SAT9:30 pmSan Antonio
Oct 6
SAT5:14 amSan Antonio
4h 06m
1 stop
CHS10:20 amCharleston
$316
Find similar
Delta
Dec 21
CHS5:35 amCharleston
5h 22m
1 stop
SAT9:57 amSan Antonio
Dec 25
SAT5:20 amSan Antonio
7h 23m
1 stop
CHS1:43 pmCharleston
$346
Find similar

United Airlines flights from Charleston to San Antonio

Our best United Airlines deals on Charleston to San Antonio flight tickets
United Airlines
Oct 3
CHS6:02 amCharleston
10h 23m
2 stops
SAT3:25 pmSan Antonio
Oct 6
SAT1:05 pmSan Antonio
9h 39m
2 stops
CHS11:44 pmCharleston
$406
Find similar
United Airlines
Nov 13
CHS6:00 amCharleston
10h 18m
1 stop
SAT3:18 pmSan Antonio
Nov 17
SAT7:05 amSan Antonio
9h 46m
2 stops
CHS5:51 pmCharleston
$427
Find similar
United Airlines
Dec 22
CHS6:05 amCharleston
7h 09m
1 stop
SAT12:14 pmSan Antonio
Dec 25
SAT12:25 pmSan Antonio
10h 19m
2 stops
CHS11:44 pmCharleston
$466
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Charleston to San Antonio 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, momondo users made 832,500 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Charleston to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Fri 10/24

10:31 am-6:13 pm

1 stop8h 42m

San Antonio

Sun 10/26

7:19 pm-9:26 am

1 stop13h 07m

$207

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Thu 11/6

5:40 pm-3:11 pm

1 stop22h 31m

San Antonio

Sat 11/8

4:16 pm-10:45 am

1 stop17h 29m

$223

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Thu 11/13

4:30 pm-10:23 pm

1 stop6h 53m

San Antonio

Mon 11/17

4:25 pm-11:41 pm

1 stop6h 16m

$305

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Fri 10/3

3:20 pm-9:30 pm

1 stop7h 10m

San Antonio

Mon 10/6

5:14 am-10:20 am

1 stop4h 06m

$316

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Fri 9/26

2:35 pm-9:55 pm

2 stops8h 20m

San Antonio

Mon 9/29

5:00 am-10:45 am

1 stop4h 45m

$321

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 9/16

7:10 am-12:15 pm

1 stop6h 05m

San Antonio

Thu 9/18

11:25 am-10:00 pm

1 stop9h 35m

$323

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Sun 11/2

5:10 am-11:08 am

1 stop6h 58m

San Antonio

Tue 11/4

6:00 am-2:31 pm

1 stop7h 31m

$328

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Fri 10/3

6:02 am-3:25 pm

2 stops10h 23m

San Antonio

Mon 10/6

1:05 pm-11:44 pm

2 stops9h 39m

$406

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Thu 11/13

6:00 am-3:18 pm

1 stop10h 18m

San Antonio

Mon 11/17

7:05 am-5:51 pm

2 stops9h 46m

$427

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 9/2

4:25 pm-10:16 pm

1 stop6h 51m

San Antonio

Sat 9/6

9:21 am-4:36 pm

1 stop6h 15m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Antonio from

How to get the cheapest flight ticket from Charleston to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of May, then book flights to San Antonio from Charleston during August instead. Flights to San Antonio in August, while not as cheap as those in May, still average around $369.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Friday when prices can be found for as low as $365. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $476.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Charleston to San Antonio at noon for as low as $254. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $460. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to San Antonio from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $417 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Charleston for as low as $335 on momondo.

Can stopping save me money on Charleston to San Antonio flights?

You could potentially save up to 17% on your flight if you consider stops on a Charleston to San Antonio flight.

How have Charleston to San Antonio flight prices changed over time?

As of August 2025, prices for Charleston to San Antonio flights are approximately 167% more expensive when compared to flights at the same time last year.

When to book flights from Charleston to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Charleston to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Charleston to San Antonio (CHS to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to San Antonio

Direct flights

None
There are no direct flights from Charleston to San Antonio. There are no popular flight routes from Charleston to San Antonio.
Search flight deals

  • How far is Charleston to San Antonio by plane?

    The distance between Charleston and San Antonio is about 1120.0 mi. Typically, this will take 4h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Charleston Airport to San Antonio Airport?

    Prices for flights from Charleston Airport to San Antonio Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Charleston Airport to San Antonio Airport?

  • How old do you have to be to fly from Charleston Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Charleston to San Antonio?

Best airlines flying from Charleston to San Antonio

Compare and see reviews for airlines that fly from Charleston to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $284Free CancellationRating
7.9
7,982 reviews
Search Delta flights
SouthwestPriceFrom $294Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Charleston to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Charleston to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Charleston to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Charleston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Charleston to San Antonio?

Once all potential Charleston to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Charleston to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Charleston to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/25
Mon 9/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States