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Cheap flights from Charleston to San Antonio from $116

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 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Multiple Airlines Logo
3:21 pm - 5:35 pm
CHS
-
SAT
27h 14m
1 stop
Multiple Airlines Logo
6:00 am - 9:53 pm
SAT
-
CHS
14h 53m
2 stops
$290Multiple Airlines
Fri, Apr 17 - Fri, Apr 24
United Airlines Logo
5:07 pm - 9:20 pm
CHS
-
SAT
5h 13m
1 stop
United Airlines Logo
6:49 am - 1:51 pm
SAT
-
CHS
6h 02m
1 stop
$364United Airlines
Tue, May 12 - Sat, May 16
United Airlines Logo
6:00 am - 1:16 pm
CHS
-
SAT
8h 16m
2 stops
United Airlines Logo
2:25 pm - 9:59 pm
SAT
-
CHS
6h 34m
1 stop
$369United Airlines
Tue, May 12 - Sat, May 16
Multiple Airlines Logo
3:01 pm - 11:40 am
CHS
-
SAT
21h 39m
2 stops
Multiple Airlines Logo
2:12 pm - 8:38 am
SAT
-
CHS
17h 26m
1 stop
$373Multiple Airlines
Thu, Apr 23 - Sat, Apr 25
Southwest Logo
7:15 am - 5:00 pm
CHS
-
SAT
10h 45m
2 stops
Southwest Logo
5:25 am - 4:00 pm
SAT
-
CHS
9h 35m
2 stops
$374Southwest
Tue, May 12 - Sat, May 16
Southwest Logo
8:00 am - 1:35 pm
CHS
-
SAT
6h 35m
1 stop
Southwest Logo
11:40 am - 6:05 pm
SAT
-
CHS
5h 25m
1 stop
$377Southwest
Sat, May 2 - Sat, May 9
Southwest Logo
5:45 pm - 10:00 pm
CHS
-
SAT
5h 15m
1 stop
Southwest Logo
12:30 pm - 6:35 pm
SAT
-
CHS
5h 05m
1 stop
$378Southwest
Thu, May 7 - Tue, May 12
Southwest Logo
8:00 am - 1:35 pm
CHS
-
SAT
6h 35m
1 stop
Southwest Logo
9:15 am - 6:35 pm
SAT
-
CHS
8h 20m
2 stops
$382Southwest
Sat, May 2 - Sat, May 9
United Airlines Logo
5:07 pm - 9:20 pm
CHS
-
SAT
5h 13m
1 stop
United Airlines Logo
2:00 pm - 11:59 pm
SAT
-
CHS
8h 59m
2 stops
$383United Airlines
Thu, May 7 - Tue, May 12
Southwest Logo
7:35 am - 3:45 pm
CHS
-
SAT
9h 10m
2 stops
Southwest Logo
5:25 am - 4:00 pm
SAT
-
CHS
9h 35m
2 stops
$387Southwest
Sat, May 2 - Sat, May 9

United Airlines flights from Charleston to San Antonio

Our best United Airlines deals on Charleston to San Antonio flight tickets
United Airlines
May 12
CHS5:07 pmCharleston
5h 13m
1 stop
SAT9:20 pmSan Antonio
May 16
SAT6:49 amSan Antonio
6h 02m
1 stop
CHS1:51 pmCharleston
$364
United Airlines
May 12
CHS6:00 amCharleston
8h 16m
2 stops
SAT1:16 pmSan Antonio
May 16
SAT2:25 pmSan Antonio
6h 34m
1 stop
CHS9:59 pmCharleston
$369
United Airlines
May 7
CHS5:07 pmCharleston
5h 13m
1 stop
SAT9:20 pmSan Antonio
May 12
SAT2:00 pmSan Antonio
8h 59m
2 stops
CHS11:59 pmCharleston
$383

Southwest flights from Charleston to San Antonio

Our best Southwest deals on Charleston to San Antonio flight tickets
Southwest
May 12
CHS7:15 amCharleston
10h 45m
2 stops
SAT5:00 pmSan Antonio
May 16
SAT5:25 amSan Antonio
9h 35m
2 stops
CHS4:00 pmCharleston
$374
Southwest
May 2
CHS8:00 amCharleston
6h 35m
1 stop
SAT1:35 pmSan Antonio
May 9
SAT11:40 amSan Antonio
5h 25m
1 stop
CHS6:05 pmCharleston
$377
Southwest
May 7
CHS5:45 pmCharleston
5h 15m
1 stop
SAT10:00 pmSan Antonio
May 12
SAT12:30 pmSan Antonio
5h 05m
1 stop
CHS6:35 pmCharleston
$378

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 April 9, 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

Fri 4/17

3:21 pm-5:35 pm

1 stop27h 14m

San Antonio

Fri 4/24

6:00 am-9:53 pm

2 stops14h 53m

$290

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 5/12

5:07 pm-9:20 pm

1 stop5h 13m

San Antonio

Sat 5/16

6:49 am-1:51 pm

1 stop6h 02m

$364

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 5/12

6:00 am-1:16 pm

2 stops8h 16m

San Antonio

Sat 5/16

2:25 pm-9:59 pm

1 stop6h 34m

$369

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Thu 4/23

3:01 pm-11:40 am

2 stops21h 39m

San Antonio

Sat 4/25

2:12 pm-8:38 am

1 stop17h 26m

$373

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Tue 5/12

7:15 am-5:00 pm

2 stops10h 45m

San Antonio

Sat 5/16

5:25 am-4:00 pm

2 stops9h 35m

$374

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Sat 5/2

8:00 am-1:35 pm

1 stop6h 35m

San Antonio

Sat 5/9

11:40 am-6:05 pm

1 stop5h 25m

$377
Quickest round-trip

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Thu 5/7

5:45 pm-10:00 pm

1 stop5h 15m

San Antonio

Tue 5/12

12:30 pm-6:35 pm

1 stop5h 05m

$378

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Sat 5/2

8:00 am-1:35 pm

1 stop6h 35m

San Antonio

Sat 5/9

9:15 am-6:35 pm

2 stops8h 20m

$382

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Thu 5/7

5:07 pm-9:20 pm

1 stop5h 13m

San Antonio

Tue 5/12

2:00 pm-11:59 pm

2 stops8h 59m

$383

CharlestonSan Antonio

CHS - SAT

CHSSAT

Charleston

Sat 5/2

7:35 am-3:45 pm

2 stops9h 10m

San Antonio

Sat 5/9

5:25 am-4:00 pm

2 stops9h 35m

$387

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 7% 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 April 2026, prices for Charleston to San Antonio flights are approximately 294% 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 38m

Direct flights

None
The fastest flight from Charleston to San Antonio takes 4h 38m
There are no direct flights from Charleston to San Antonio. There are no popular flight routes from Charleston to San Antonio.
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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 38m 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
8,392 reviews
Search Delta flights
American AirlinesPriceFrom $281Free CancellationRating
7.1
11,559 reviews
Search American Airlines flights
United AirlinesPriceFrom $299Free CancellationRating
7.4
9,554 reviews
Search United Airlines flights
SouthwestPriceFrom $300Free CancellationRating
8.0
4,338 reviews
Search Southwest 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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