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Cheap flights from San Antonio to Charleston from $142

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 5/27. 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 San Antonio to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 9:35 am
SAT
-
CHS
26h 35m
2 stops
Multiple Airlines Logo
10:56 pm - 1:17 pm
CHS
-
SAT
15h 21m
1 stop
$336Multiple Airlines
Mon, Apr 27 - Fri, May 1
Multiple Airlines Logo
2:12 pm - 4:18 pm
SAT
-
CHS
25h 06m
1 stop
Multiple Airlines Logo
8:28 pm - 6:59 pm
CHS
-
SAT
47h 31m
2 stops
$347Multiple Airlines
Thu, Apr 30 - Mon, May 4
Multiple Airlines Logo
1:51 pm - 8:38 am
SAT
-
CHS
17h 47m
1 stop
Multiple Airlines Logo
5:16 pm - 11:51 pm
CHS
-
SAT
31h 35m
2 stops
$350Multiple Airlines
Mon, Apr 20 - Sat, Apr 25
American Airlines Logo
8:14 am - 2:10 pm
SAT
-
CHS
4h 56m
1 stop
American Airlines Logo
4:46 pm - 10:59 pm
CHS
-
SAT
7h 13m
1 stop
$351American Airlines
Wed, May 13 - Wed, May 20
Southwest Logo
12:45 pm - 8:00 pm
SAT
-
CHS
6h 15m
2 stops
Southwest Logo
3:40 pm - 11:15 pm
CHS
-
SAT
8h 35m
1 stop
$356Southwest
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
6:00 am - 9:35 am
SAT
-
CHS
26h 35m
2 stops
Multiple Airlines Logo
10:48 pm - 1:17 pm
CHS
-
SAT
15h 29m
1 stop
$358Multiple Airlines
Mon, Apr 27 - Thu, Apr 30
Southwest Logo
7:25 am - 5:40 pm
SAT
-
CHS
9h 15m
2 stops
Southwest Logo
3:00 pm - 11:40 pm
CHS
-
SAT
9h 40m
2 stops
$361Southwest
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
2:12 pm - 8:38 am
SAT
-
CHS
17h 26m
1 stop
Multiple Airlines Logo
10:56 pm - 1:17 pm
CHS
-
SAT
15h 21m
1 stop
$362Multiple Airlines
Mon, Apr 27 - Fri, May 1
Multiple Airlines Logo
2:12 pm - 8:43 am
SAT
-
CHS
17h 31m
1 stop
Multiple Airlines Logo
10:56 pm - 1:17 pm
CHS
-
SAT
15h 21m
1 stop
$367Multiple Airlines
Sun, Apr 26 - Fri, May 1
Multiple Airlines Logo
6:00 am - 11:08 am
SAT
-
CHS
28h 08m
2 stops
Multiple Airlines Logo
3:01 pm - 1:17 pm
CHS
-
SAT
23h 16m
1 stop
$372Multiple Airlines
Sat, Apr 25 - Tue, Apr 28

American Airlines flights from San Antonio to Charleston

Our best American Airlines deals on San Antonio to Charleston flight tickets
American Airlines
May 13
SAT8:14 amSan Antonio
4h 56m
1 stop
CHS2:10 pmCharleston
May 20
CHS4:46 pmCharleston
7h 13m
1 stop
SAT10:59 pmSan Antonio
$351
American Airlines
Apr 28
SAT7:00 amSan Antonio
7h 30m
1 stop
CHS3:30 pmCharleston
May 4
CHS7:30 pmCharleston
5h 26m
1 stop
SAT11:56 pmSan Antonio
$378
American Airlines
May 20
SAT6:20 amSan Antonio
6h 25m
1 stop
CHS1:45 pmCharleston
May 24
CHS5:00 amCharleston
5h 10m
1 stop
SAT9:10 amSan Antonio
$389

Southwest flights from San Antonio to Charleston

Our best Southwest deals on San Antonio to Charleston flight tickets
Southwest
May 19
SAT12:45 pmSan Antonio
6h 15m
2 stops
CHS8:00 pmCharleston
May 26
CHS3:40 pmCharleston
8h 35m
1 stop
SAT11:15 pmSan Antonio
$356
Southwest
Jun 2
SAT7:25 amSan Antonio
9h 15m
2 stops
CHS5:40 pmCharleston
Jun 9
CHS3:00 pmCharleston
9h 40m
2 stops
SAT11:40 pmSan Antonio
$361
Southwest
Jun 2
SAT7:25 amSan Antonio
6h 35m
1 stop
CHS3:00 pmCharleston
Jun 4
CHS7:15 amCharleston
5h 35m
1 stop
SAT11:50 amSan Antonio
$373

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 April 10, 2026.
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

Cheapest round-trip

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 4/27

6:00 am-9:35 am

2 stops26h 35m

Charleston

Fri 5/1

10:56 pm-1:17 pm

1 stop15h 21m

$336

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 4/30

2:12 pm-4:18 pm

1 stop25h 06m

Charleston

Mon 5/4

8:28 pm-6:59 pm

2 stops47h 31m

$347

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 4/20

1:51 pm-8:38 am

1 stop17h 47m

Charleston

Sat 4/25

5:16 pm-11:51 pm

2 stops31h 35m

$350
Quickest round-trip

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 5/13

8:14 am-2:10 pm

1 stop4h 56m

Charleston

Wed 5/20

4:46 pm-10:59 pm

1 stop7h 13m

$351

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 5/19

12:45 pm-8:00 pm

2 stops6h 15m

Charleston

Tue 5/26

3:40 pm-11:15 pm

1 stop8h 35m

$356

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 4/27

6:00 am-9:35 am

2 stops26h 35m

Charleston

Thu 4/30

10:48 pm-1:17 pm

1 stop15h 29m

$358

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/2

7:25 am-5:40 pm

2 stops9h 15m

Charleston

Tue 6/9

3:00 pm-11:40 pm

2 stops9h 40m

$361

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 4/27

2:12 pm-8:38 am

1 stop17h 26m

Charleston

Fri 5/1

10:56 pm-1:17 pm

1 stop15h 21m

$362

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 4/26

2:12 pm-8:43 am

1 stop17h 31m

Charleston

Fri 5/1

10:56 pm-1:17 pm

1 stop15h 21m

$367

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 4/25

6:00 am-11:08 am

2 stops28h 08m

Charleston

Tue 4/28

3:01 pm-1:17 pm

1 stop23h 16m

$372

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

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 $319, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Charleston, with average flight prices from San Antonio averaging around $386.

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 $421 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 $313 on momondo.

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

As of April 2026, prices for San Antonio to Charleston flights are approximately 275% more expensive 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

Fastest flight time

6h 15m

Direct flights

None
The fastest flight from San Antonio to Charleston takes 6h 15m
There are no direct flights from San Antonio to Charleston. There are no popular flight routes from San Antonio to Charleston.
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Frequently asked questions about flying from San Antonio to Charleston

  • 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 6h 15m.

  • 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
DeltaPriceFrom $284Free CancellationRating
7.9
8,392 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.1
11,560 reviews
Search American Airlines flights
SouthwestPriceFrom $310Free CancellationRating
8.0
4,338 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Charleston

    Across 3 Southwest flights from San Antonio to Charleston this week, the average price was $446, with the best Southwest deals starting from $310 round-trip. 4,334 users have rated Southwest on momondo, with an average score of 8.0/10.

Traveling to a place near Charleston?

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