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Cheap flights from San Antonio to Charleston from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Charleston departing on 10/14. 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 San Antonio to Charleston

Cheap round-trip flights

Spirit Airlines Logo
7:35 pm - 9:01 amSAT-CHS
12h 26m1 stop
Spirit Airlines Logo
10:11 am - 6:30 pmCHS-SAT
9h 19m1 stop
$199Spirit Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
Spirit Airlines Logo
7:35 pm - 9:06 amSAT-CHS
12h 31m1 stop
Spirit Airlines Logo
10:11 am - 6:30 pmCHS-SAT
9h 19m1 stop
$229Spirit Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
Multiple Airlines Logo
5:45 pm - 6:41 pmSAT-CHS
23h 56m2 stops
Multiple Airlines Logo
10:11 am - 6:30 pmCHS-SAT
9h 19m1 stop
$237Multiple Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
Multiple Airlines Logo
11:33 am - 5:07 pmSAT-CHS
28h 34m2 stops
Multiple Airlines Logo
10:11 am - 6:30 pmCHS-SAT
9h 19m1 stop
$259Multiple Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
8:34 am - 2:31 pmSAT-CHS
4h 57m1 stop
American Airlines Logo
7:00 am - 6:56 pmCHS-SAT
12h 56m1 stop
$315American Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 15
American Airlines Logo
7:21 am - 3:15 pmSAT-CHS
6h 54m1 stop
American Airlines Logo
7:00 am - 8:10 pmCHS-SAT
14h 10m1 stop
$322American Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 15
Delta Logo
5:15 am - 1:24 pmSAT-CHS
7h 09m1 stop
Delta Logo
5:30 am - 10:00 amCHS-SAT
5h 30m1 stop
$327Delta
Find Deal
Mon, Dec 15 - Mon, Jan 5
Southwest Logo
6:45 am - 12:20 pmSAT-CHS
4h 35m1 stop
Southwest Logo
7:00 am - 3:15 pmCHS-SAT
9h 15m2 stops
$337Southwest
Find Deal
Fri, Feb 20 - Mon, Feb 23
Southwest Logo
12:50 pm - 12:25 amSAT-CHS
10h 35m1 stop
Southwest Logo
6:15 am - 11:15 amCHS-SAT
6h 00m1 stop
$347Southwest
Find Deal
Thu, Oct 23 - Fri, Oct 31
Delta Logo
5:30 am - 1:45 pmSAT-CHS
7h 15m1 stop
Delta Logo
5:30 am - 10:00 amCHS-SAT
5h 30m1 stop
$407Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11

Spirit Airlines flights from San Antonio to Charleston

Our best Spirit Airlines deals on San Antonio to Charleston flight tickets
Spirit Airlines
Oct 30
SAT7:35 pmSan Antonio
12h 26m
1 stop
CHS9:01 amCharleston
Nov 2
CHS10:11 amCharleston
9h 19m
1 stop
SAT6:30 pmSan Antonio
$199
Find similar
Spirit Airlines
Oct 9
SAT7:35 pmSan Antonio
12h 31m
1 stop
CHS9:06 amCharleston
Oct 13
CHS10:11 amCharleston
9h 19m
1 stop
SAT6:30 pmSan Antonio
$229
Find similar
Spirit Airlines
Oct 2
SAT7:17 pmSan Antonio
12h 48m
1 stop
CHS9:05 amCharleston
Oct 6
CHS10:11 amCharleston
9h 19m
1 stop
SAT6:30 pmSan Antonio
$255
Find similar

American Airlines flights from San Antonio to Charleston

Our best American Airlines deals on San Antonio to Charleston flight tickets
American Airlines
Nov 3
SAT8:34 amSan Antonio
4h 57m
1 stop
CHS2:31 pmCharleston
Nov 15
CHS7:00 amCharleston
12h 56m
1 stop
SAT6:56 pmSan Antonio
$315
Find similar
American Airlines
Nov 3
SAT7:21 amSan Antonio
6h 54m
1 stop
CHS3:15 pmCharleston
Nov 15
CHS7:00 amCharleston
14h 10m
1 stop
SAT8:10 pmSan Antonio
$322
Find similar
American Airlines
Nov 13
SAT6:50 amSan Antonio
5h 46m
1 stop
CHS1:36 pmCharleston
Nov 16
CHS5:10 amCharleston
6h 58m
1 stop
SAT11:08 amSan Antonio
$367
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Charleston 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 September 16, 2025.
Use the filters below to find and compare flights from San Antonio to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 10/30

7:35 pm-9:01 am

1 stop12h 26m

Charleston

Sun 11/2

10:11 am-6:30 pm

1 stop9h 19m

$199

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 10/9

7:35 pm-9:06 am

1 stop12h 31m

Charleston

Mon 10/13

10:11 am-6:30 pm

1 stop9h 19m

$229

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 10/24

5:45 pm-6:41 pm

2 stops23h 56m

Charleston

Sun 10/26

10:11 am-6:30 pm

1 stop9h 19m

$237

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 10/2

11:33 am-5:07 pm

2 stops28h 34m

Charleston

Mon 10/6

10:11 am-6:30 pm

1 stop9h 19m

$259

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 11/3

8:34 am-2:31 pm

1 stop4h 57m

Charleston

Sat 11/15

7:00 am-6:56 pm

1 stop12h 56m

$315

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 11/3

7:21 am-3:15 pm

1 stop6h 54m

Charleston

Sat 11/15

7:00 am-8:10 pm

1 stop14h 10m

$322

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 12/15

5:15 am-1:24 pm

1 stop7h 09m

Charleston

Mon 1/5

5:30 am-10:00 am

1 stop5h 30m

$327

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 2/20

6:45 am-12:20 pm

1 stop4h 35m

Charleston

Mon 2/23

7:00 am-3:15 pm

2 stops9h 15m

$337

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 10/23

12:50 pm-12:25 am

1 stop10h 35m

Charleston

Fri 10/31

6:15 am-11:15 am

1 stop6h 00m

$347

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 3/10

5:30 am-1:45 pm

1 stop7h 15m

Charleston

Wed 3/11

5:30 am-10:00 am

1 stop5h 30m

$407

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 Charleston from

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

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 Charleston?

The cheapest month to fly to Charleston from San Antonio is in January. Flight prices, which tend to average around $381, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Charleston, with average flight prices from San Antonio averaging around $386.

What is the cheapest day to depart on your flight to Charleston?

The cheapest day to depart from San Antonio to Charleston is on a Wednesday. Travelers who choose to depart for Charleston on a Wednesday will often find tickets for as low as $366. The most expensive day to fly to Charleston is Monday, with ticket prices averaging around $461.

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

The cheapest time of day to fly to Charleston is in the evening when flights can be purchased for as low as $285. In the afternoon is when there is more demand to fly to Charleston, so prices are often more expensive at around $422 per ticket.

How far in advance should I book a flight to Charleston?

You are more likely to see cheaper flights to Charleston from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $431 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from San Antonio for as low as $347 on momondo.

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

As of September 2025, prices for San Antonio to Charleston flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to Charleston

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

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

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

Direct flights

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

  • How far is San Antonio to Charleston by plane?

    A flight from San Antonio to Charleston will travel around 1120.0 mi. In terms of flight time, this usually takes a little over 4h 35m.

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

    Prices for flights from San Antonio Airport to Charleston Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Charleston Airport.

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

    The necessary travel and health documents for your Charleston Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Antonio to Charleston

Compare and see reviews for airlines that fly from San Antonio to Charleston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $201Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $306Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $331Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
Isle of Palms
North Charleston
Kiawah Island
Summerville
Mount Pleasant
Edisto Island
Walterboro
Santee
Goose Creek
Edisto Beach
Seabrook Island

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Charleston from San Antonio.

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

Yes. momondo enables you to select and highlight flights to Charleston from San Antonio with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Charleston.

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

Yes. momondo can track prices for San Antonio to Charleston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Charleston trip

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