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Cheap flights from Charleston to San Antonio from $78

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 3/2. 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

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Find the cheapest flights from Charleston to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:35 pm - 9:30 am
CHS
-
SAT
15h 55m
1 stop
Spirit Airlines Logo
10:26 am - 5:40 pm
SAT
-
CHS
6h 14m
1 stop
$177Spirit Airlines
Mon, Feb 16 - Thu, Feb 19
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
$178Spirit Airlines
Sat, Mar 28 - Tue, Mar 31
Spirit Airlines Logo
6:35 pm - 9:30 am
CHS
-
SAT
15h 55m
1 stop
Spirit Airlines Logo
10:26 am - 5:40 pm
SAT
-
CHS
6h 14m
1 stop
$183Spirit Airlines
Mon, Mar 2 - Thu, Mar 5
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
$191Spirit Airlines
Tue, Mar 31 - Tue, Apr 7
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
$192Spirit Airlines
Tue, Mar 31 - Wed, Apr 8
Spirit Airlines Logo
12:04 pm - 9:27 am
CHS
-
SAT
22h 23m
3 stops
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
$201Spirit Airlines
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
6:35 pm - 9:30 am
CHS
-
SAT
15h 55m
1 stop
Multiple Airlines Logo
3:46 pm - 5:40 pm
SAT
-
CHS
24h 54m
2 stops
$207Multiple Airlines
Mon, Mar 2 - Fri, Mar 6
Spirit Airlines Logo
6:35 pm - 9:30 am
CHS
-
SAT
15h 55m
1 stop
Spirit Airlines Logo
10:26 am - 4:05 pm
SAT
-
CHS
28h 39m
2 stops
$209Spirit Airlines
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
3:01 pm - 11:59 pm
CHS
-
SAT
9h 58m
1 stop
Multiple Airlines Logo
10:26 am - 5:40 pm
SAT
-
CHS
6h 14m
1 stop
$213Multiple Airlines
Tue, Mar 3 - Thu, Mar 5
Multiple Airlines Logo
3:01 pm - 11:59 pm
CHS
-
SAT
9h 58m
1 stop
Multiple Airlines Logo
5:04 pm - 4:05 pm
SAT
-
CHS
22h 01m
2 stops
$220Multiple Airlines
Tue, Feb 24 - Fri, Feb 27

Spirit Airlines flights from Charleston to San Antonio

Our best Spirit Airlines deals on Charleston to San Antonio flight tickets
Spirit Airlines
Feb 16
CHS6:35 pmCharleston
15h 55m
1 stop
SAT9:30 amSan Antonio
Feb 19
SAT10:26 amSan Antonio
6h 14m
1 stop
CHS5:40 pmCharleston
$177
Spirit Airlines
Mar 28
CHS8:07 amCharleston
26h 20m
1 stop
SAT9:27 amSan Antonio
Mar 31
SAT10:22 amSan Antonio
10h 51m
1 stop
CHS10:13 pmCharleston
$178
Spirit Airlines
Mar 2
CHS6:35 pmCharleston
15h 55m
1 stop
SAT9:30 amSan Antonio
Mar 5
SAT10:26 amSan Antonio
6h 14m
1 stop
CHS5:40 pmCharleston
$183

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 February 5, 2026.
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

Mon 2/16

6:35 pm-9:30 am

1 stop15h 55m

San Antonio

Thu 2/19

10:26 am-5:40 pm

1 stop6h 14m

$177

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Sat 3/28

8:07 am-9:27 am

1 stop26h 20m

San Antonio

Tue 3/31

10:22 am-10:13 pm

1 stop10h 51m

$178

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Mon 3/2

6:35 pm-9:30 am

1 stop15h 55m

San Antonio

Thu 3/5

10:26 am-5:40 pm

1 stop6h 14m

$183

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 3/31

8:07 am-9:27 am

1 stop26h 20m

San Antonio

Tue 4/7

10:22 am-10:13 pm

1 stop10h 51m

$191

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 3/31

8:07 am-9:27 am

1 stop26h 20m

San Antonio

Wed 4/8

10:22 am-10:13 pm

1 stop10h 51m

$192

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 3/31

12:04 pm-9:27 am

3 stops22h 23m

San Antonio

Tue 4/7

10:22 am-10:13 pm

1 stop10h 51m

$201

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Mon 3/2

6:35 pm-9:30 am

1 stop15h 55m

San Antonio

Fri 3/6

3:46 pm-5:40 pm

2 stops24h 54m

$207

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Thu 3/5

6:35 pm-9:30 am

1 stop15h 55m

San Antonio

Tue 3/10

10:26 am-4:05 pm

2 stops28h 39m

$209

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 3/3

3:01 pm-11:59 pm

1 stop9h 58m

San Antonio

Thu 3/5

10:26 am-5:40 pm

1 stop6h 14m

$213

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 2/24

3:01 pm-11:59 pm

1 stop9h 58m

San Antonio

Fri 2/27

5:04 pm-4:05 pm

2 stops22h 01m

$220

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.

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 $424 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.

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

You could potentially save up to 31% 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 February 2026, prices for Charleston to San Antonio flights are approximately 39% 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

Fastest flight time

5h 10m

Direct flights

None
The fastest flight from Charleston to San Antonio takes 5h 10m
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 10m 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 $192Free CancellationRating
7.9
8,144 reviews
Search Delta flights
SouthwestPriceFrom $294Free CancellationRating
8.0
4,274 reviews
Search Southwest flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,222 reviews
Search American 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
Pleasanton
Schertz

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

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