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Cheap flights from Charleston to San Antonio from $97

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 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Spirit Airlines Logo
7:00 am - 6:32 pmCHS-SAT
12h 32m1 stop
Spirit Airlines Logo
7:37 pm - 5:06 pmSAT-CHS
20h 29m2 stops
$217Spirit Airlines
Find Deal
vie., nov. 7 - mar., nov. 11
Spirit Airlines Logo
6:11 pm - 7:38 pmCHS-SAT
26h 27m2 stops
Spirit Airlines Logo
7:37 pm - 10:05 pmSAT-CHS
25h 28m1 stop
$223Spirit Airlines
Find Deal
mié., nov. 19 - mié., nov. 26
Spirit Airlines Logo
7:00 am - 6:32 pmCHS-SAT
12h 32m1 stop
Spirit Airlines Logo
7:37 pm - 5:06 pmSAT-CHS
20h 29m3 stops
$224Spirit Airlines
Find Deal
vie., nov. 7 - mar., nov. 11
Multiple Airlines Logo
6:50 am - 6:32 pmCHS-SAT
12h 42m1 stop
Multiple Airlines Logo
8:33 pm - 8:37 amSAT-CHS
11h 04m1 stop
$229Multiple Airlines
Find Deal
mar., nov. 25 - lun., dic. 1
Delta Logo
8:00 am - 1:41 pmCHS-SAT
6h 41m1 stop
Delta Logo
6:30 am - 1:25 pmSAT-CHS
5h 55m1 stop
$327Delta
Find Deal
jue., nov. 13 - lun., nov. 17
Delta Logo
6:28 pm - 12:38 amCHS-SAT
7h 10m1 stop
Delta Logo
5:15 am - 11:46 amSAT-CHS
5h 31m1 stop
$367Delta
Find Deal
mié., nov. 19 - mié., nov. 26
Southwest Logo
6:15 am - 2:25 pmCHS-SAT
9h 10m2 stops
Southwest Logo
2:45 pm - 11:10 pmSAT-CHS
7h 25m2 stops
$408Southwest
Find Deal
jue., dic. 18 - dom., dic. 21
Southwest Logo
4:30 pm - 11:00 pmCHS-SAT
7h 30m1 stop
Southwest Logo
3:05 pm - 12:15 amSAT-CHS
8h 10m2 stops
$412Southwest
Find Deal
lun., mar. 16 - jue., mar. 19
American Airlines Logo
5:10 am - 9:18 amCHS-SAT
5h 08m1 stop
American Airlines Logo
6:00 am - 12:06 pmSAT-CHS
5h 06m1 stop
$424American Airlines
Find Deal
dom., dic. 28 - jue., ene. 1
United Airlines Logo
4:50 pm - 9:23 pmCHS-SAT
5h 33m1 stop
United Airlines Logo
12:24 pm - 9:12 pmSAT-CHS
7h 48m2 stops
$492United Airlines
Find Deal
mar., mar. 10 - mié., mar. 11

Spirit Airlines flights from Charleston to San Antonio

Our best Spirit Airlines deals on Charleston to San Antonio flight tickets
Spirit Airlines
Nov 7
CHS7:00 amCharleston
12h 32m
1 stop
SAT6:32 pmSan Antonio
Nov 11
SAT7:37 pmSan Antonio
20h 29m
2 stops
CHS5:06 pmCharleston
$217
Find similar
Spirit Airlines
Nov 19
CHS6:11 pmCharleston
26h 27m
2 stops
SAT7:38 pmSan Antonio
Nov 26
SAT7:37 pmSan Antonio
25h 28m
1 stop
CHS10:05 pmCharleston
$223
Find similar
Spirit Airlines
Nov 7
CHS7:00 amCharleston
12h 32m
1 stop
SAT6:32 pmSan Antonio
Nov 11
SAT7:37 pmSan Antonio
20h 29m
3 stops
CHS5:06 pmCharleston
$224
Find similar

Delta flights from Charleston to San Antonio

Our best Delta deals on Charleston to San Antonio flight tickets
Delta
Nov 13
CHS8:00 amCharleston
6h 41m
1 stop
SAT1:41 pmSan Antonio
Nov 17
SAT6:30 amSan Antonio
5h 55m
1 stop
CHS1:25 pmCharleston
$327
Find similar
Delta
Nov 19
CHS6:28 pmCharleston
7h 10m
1 stop
SAT12:38 amSan Antonio
Nov 26
SAT5:15 amSan Antonio
5h 31m
1 stop
CHS11:46 amCharleston
$367
Find similar
Delta
Oct 31
CHS4:14 pmCharleston
5h 14m
1 stop
SAT8:28 pmSan Antonio
Nov 5
SAT12:02 pmSan Antonio
7h 58m
1 stop
CHS9:00 pmCharleston
$369
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 octubre 23, 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

vie. 11/7

7:00 am-6:32 pm

1 stop12h 32m

San Antonio

mar. 11/11

7:37 pm-5:06 pm

2 stops20h 29m

$217

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

mié. 11/19

6:11 pm-7:38 pm

2 stops26h 27m

San Antonio

mié. 11/26

7:37 pm-10:05 pm

1 stop25h 28m

$223

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

vie. 11/7

7:00 am-6:32 pm

1 stop12h 32m

San Antonio

mar. 11/11

7:37 pm-5:06 pm

3 stops20h 29m

$224

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

mar. 11/25

6:50 am-6:32 pm

1 stop12h 42m

San Antonio

lun. 12/1

8:33 pm-8:37 am

1 stop11h 04m

$229

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

jue. 11/13

8:00 am-1:41 pm

1 stop6h 41m

San Antonio

lun. 11/17

6:30 am-1:25 pm

1 stop5h 55m

$327

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

mié. 11/19

6:28 pm-12:38 am

1 stop7h 10m

San Antonio

mié. 11/26

5:15 am-11:46 am

1 stop5h 31m

$367

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

jue. 12/18

6:15 am-2:25 pm

2 stops9h 10m

San Antonio

dom. 12/21

2:45 pm-11:10 pm

2 stops7h 25m

$408

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

lun. 3/16

4:30 pm-11:00 pm

1 stop7h 30m

San Antonio

jue. 3/19

3:05 pm-12:15 am

2 stops8h 10m

$412

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

dom. 12/28

5:10 am-9:18 am

1 stop5h 08m

San Antonio

jue. 1/1

6:00 am-12:06 pm

1 stop5h 06m

$424

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

mar. 3/10

4:50 pm-9:23 pm

1 stop5h 33m

San Antonio

mié. 3/11

12:24 pm-9:12 pm

2 stops7h 48m

$492

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September, then book flights to San Antonio from Charleston during May instead. Flights to San Antonio in May, while not as cheap as those in September, still average around $355.

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 $421 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 $336 on momondo.

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

As of October 2025, prices for Charleston to San Antonio flights are approximately 192% 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 5h 08m 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 $278Free CancellationRating
7.9
7,982 reviews
Search Delta flights
SouthwestPriceFrom $294Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
American AirlinesPriceFrom $311Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,995 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.

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