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Cheap flights from Charleston to San Antonio from $169

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 7/17. 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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Find the cheapest flights from Charleston to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
8:15 pm - 11:55 pm
CHS
-
SAT
4h 40m
1 stop
Southwest Logo
11:50 am - 8:40 pm
SAT
-
CHS
7h 50m
1 stop
$371Southwest
Wed, Jul 1 - Wed, Jul 15
Southwest Logo
3:00 pm - 9:35 pm
CHS
-
SAT
7h 35m
1 stop
Southwest Logo
7:15 am - 4:10 pm
SAT
-
CHS
7h 55m
2 stops
$376Southwest
Wed, Jul 1 - Wed, Jul 15
Southwest Logo
3:00 pm - 11:40 pm
CHS
-
SAT
9h 40m
2 stops
Southwest Logo
6:10 am - 4:10 pm
SAT
-
CHS
9h 00m
2 stops
$381Southwest
Wed, Jul 1 - Wed, Jul 15
Southwest Logo
6:35 am - 10:20 am
CHS
-
SAT
4h 45m
1 stop
Southwest Logo
5:30 am - 2:20 pm
SAT
-
CHS
7h 50m
2 stops
$385Southwest
Wed, Jun 17 - Wed, Jun 24
Delta Logo
7:20 am - 11:09 am
CHS
-
SAT
4h 49m
1 stop
Delta Logo
5:20 am - 12:00 pm
SAT
-
CHS
5h 40m
1 stop
$389Delta
Tue, Jul 21 - Wed, Jul 29
Southwest Logo
7:15 am - 11:50 am
CHS
-
SAT
5h 35m
1 stop
Southwest Logo
11:50 am - 8:40 pm
SAT
-
CHS
7h 50m
1 stop
$394Southwest
Fri, Jul 10 - Tue, Jul 14
Southwest Logo
6:35 am - 10:20 am
CHS
-
SAT
4h 45m
1 stop
Southwest Logo
5:10 am - 1:15 pm
SAT
-
CHS
7h 05m
1 stop
$399Southwest
Wed, Jul 1 - Mon, Jul 6
Southwest Logo
7:15 am - 11:50 am
CHS
-
SAT
5h 35m
1 stop
Southwest Logo
7:15 am - 4:10 pm
SAT
-
CHS
7h 55m
2 stops
$400Southwest
Fri, Jul 10 - Tue, Jul 14
Southwest Logo
8:15 pm - 11:55 pm
CHS
-
SAT
4h 40m
1 stop
Southwest Logo
12:50 pm - 10:50 pm
SAT
-
CHS
9h 00m
2 stops
$404Southwest
Wed, Jul 1 - Mon, Jul 6
American Airlines Logo
6:18 pm - 10:16 pm
CHS
-
SAT
4h 58m
1 stop
American Airlines Logo
5:52 pm - 11:59 pm
SAT
-
CHS
5h 07m
1 stop
$409American Airlines
Wed, Jun 17 - Fri, Jun 19

Delta flights from Charleston to San Antonio

Our best Delta deals on Charleston to San Antonio flight tickets
Delta
Jul 21
CHS7:20 amCharleston
4h 49m
1 stop
SAT11:09 amSan Antonio
Jul 29
SAT5:20 amSan Antonio
5h 40m
1 stop
CHS12:00 pmCharleston
$389
Delta
Jul 21
CHS5:00 pmCharleston
4h 37m
1 stop
SAT8:37 pmSan Antonio
Jul 27
SAT5:20 amSan Antonio
5h 40m
1 stop
CHS12:00 pmCharleston
$417
Delta
Jun 15
CHS7:59 pmCharleston
5h 34m
1 stop
SAT12:33 amSan Antonio
Jun 22
SAT4:15 pmSan Antonio
4h 51m
1 stop
CHS10:06 pmCharleston
$431

American Airlines flights from Charleston to San Antonio

Our best American Airlines deals on Charleston to San Antonio flight tickets
American Airlines
Jun 17
CHS6:18 pmCharleston
4h 58m
1 stop
SAT10:16 pmSan Antonio
Jun 19
SAT5:52 pmSan Antonio
5h 07m
1 stop
CHS11:59 pmCharleston
$409
American Airlines
Jul 10
CHS3:12 pmCharleston
6h 28m
1 stop
SAT8:40 pmSan Antonio
Jul 12
SAT2:48 pmSan Antonio
7h 08m
1 stop
CHS10:56 pmCharleston
$427
American Airlines
Jun 15
CHS6:18 pmCharleston
4h 58m
1 stop
SAT10:16 pmSan Antonio
Jun 22
SAT5:52 pmSan Antonio
5h 07m
1 stop
CHS11:59 pmCharleston
$437

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 May 23, 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

Cheapest round-trip

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Wed 7/1

8:15 pm-11:55 pm

1 stop4h 40m

San Antonio

Wed 7/15

11:50 am-8:40 pm

1 stop7h 50m

$371

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Wed 7/1

3:00 pm-9:35 pm

1 stop7h 35m

San Antonio

Wed 7/15

7:15 am-4:10 pm

2 stops7h 55m

$376

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Wed 7/1

3:00 pm-11:40 pm

2 stops9h 40m

San Antonio

Wed 7/15

6:10 am-4:10 pm

2 stops9h 00m

$381

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Wed 6/17

6:35 am-10:20 am

1 stop4h 45m

San Antonio

Wed 6/24

5:30 am-2:20 pm

2 stops7h 50m

$385

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 7/21

7:20 am-11:09 am

1 stop4h 49m

San Antonio

Wed 7/29

5:20 am-12:00 pm

1 stop5h 40m

$389

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Fri 7/10

7:15 am-11:50 am

1 stop5h 35m

San Antonio

Tue 7/14

11:50 am-8:40 pm

1 stop7h 50m

$394

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Wed 7/1

6:35 am-10:20 am

1 stop4h 45m

San Antonio

Mon 7/6

5:10 am-1:15 pm

1 stop7h 05m

$399

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Fri 7/10

7:15 am-11:50 am

1 stop5h 35m

San Antonio

Tue 7/14

7:15 am-4:10 pm

2 stops7h 55m

$400

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Wed 7/1

8:15 pm-11:55 pm

1 stop4h 40m

San Antonio

Mon 7/6

12:50 pm-10:50 pm

2 stops9h 00m

$404
Quickest round-trip

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Wed 6/17

6:18 pm-10:16 pm

1 stop4h 58m

San Antonio

Fri 6/19

5:52 pm-11:59 pm

1 stop5h 07m

$409

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 typical price of a round-trip flight between Charleston and San Antonio?

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 January instead. Flights to San Antonio in January, while not as cheap as those in September, still average around $344.

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

You could potentially save up to 15% 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 May 2026, prices for Charleston to San Antonio flights are approximately 11% 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

4h 40m

Direct flights

None
The fastest flight from Charleston to San Antonio takes 4h 40m
There are no direct flights from Charleston to San Antonio. There are no popular flight routes from Charleston to San Antonio.
Search flight deals

Frequently asked questions about flying from Charleston to San Antonio

  • 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 40m 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
8,444 reviews
Search Delta flights
SouthwestPriceFrom $300Free CancellationRating
7.9
4,276 reviews
Search Southwest flights
American AirlinesPriceFrom $326Free CancellationRating
7.1
11,639 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.

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