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Cheap flights from San Antonio to Charleston from $214

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 6/26. 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

Enter your travel dates to find the best prices.
Delta Logo
5:25 am - 12:04 pm
SAT
-
CHS
5h 39m
1 stop
Delta Logo
6:44 pm - 12:33 am
CHS
-
SAT
6h 49m
1 stop
$369Delta
Tue, Jun 16 - Tue, Jun 30
American Airlines Logo
5:01 am - 12:28 pm
SAT
-
CHS
6h 27m
1 stop
American Airlines Logo
7:19 pm - 11:59 pm
CHS
-
SAT
5h 40m
1 stop
$371American Airlines
Tue, Jun 16 - Tue, Jun 30
Southwest Logo
7:25 am - 4:10 pm
SAT
-
CHS
7h 45m
2 stops
Southwest Logo
4:15 pm - 10:55 pm
CHS
-
SAT
7h 40m
1 stop
$376Southwest
Tue, Jun 30 - Wed, Jul 1
Southwest Logo
7:25 am - 4:10 pm
SAT
-
CHS
7h 45m
2 stops
Southwest Logo
3:00 pm - 11:40 pm
CHS
-
SAT
9h 40m
2 stops
$381Southwest
Tue, Jun 30 - Wed, Jul 1
American Airlines Logo
6:35 am - 1:10 pm
SAT
-
CHS
5h 35m
1 stop
American Airlines Logo
1:40 pm - 8:12 pm
CHS
-
SAT
7h 32m
1 stop
$388American Airlines
Mon, Oct 19 - Wed, Oct 21
Southwest Logo
5:30 am - 4:05 pm
SAT
-
CHS
9h 35m
1 stop
Southwest Logo
8:15 pm - 11:55 pm
CHS
-
SAT
4h 40m
1 stop
$394Southwest
Fri, Jun 26 - Wed, Jul 1
Southwest Logo
12:20 pm - 8:25 pm
SAT
-
CHS
7h 05m
1 stop
Southwest Logo
4:10 pm - 11:20 pm
CHS
-
SAT
8h 10m
1 stop
$399Southwest
Wed, Jun 24 - Mon, Jun 29
Southwest Logo
7:25 am - 4:10 pm
SAT
-
CHS
7h 45m
2 stops
Southwest Logo
7:15 am - 11:50 am
CHS
-
SAT
5h 35m
1 stop
$400Southwest
Tue, Jun 30 - Thu, Jul 2
Southwest Logo
7:25 am - 4:10 pm
SAT
-
CHS
7h 45m
2 stops
Southwest Logo
10:35 am - 4:10 pm
CHS
-
SAT
6h 35m
1 stop
$404Southwest
Tue, Jun 23 - Thu, Jun 25
Southwest Logo
9:35 am - 5:50 pm
SAT
-
CHS
7h 15m
1 stop
Southwest Logo
12:05 pm - 5:10 pm
CHS
-
SAT
6h 05m
1 stop
$405Southwest
Thu, Aug 27 - Mon, Aug 31

American Airlines flights from San Antonio to Charleston

Our best American Airlines deals on San Antonio to Charleston flight tickets
American Airlines
Jun 16
SAT5:01 amSan Antonio
6h 27m
1 stop
CHS12:28 pmCharleston
Jun 30
CHS7:19 pmCharleston
5h 40m
1 stop
SAT11:59 pmSan Antonio
$371
American Airlines
Oct 19
SAT6:35 amSan Antonio
5h 35m
1 stop
CHS1:10 pmCharleston
Oct 21
CHS1:40 pmCharleston
7h 32m
1 stop
SAT8:12 pmSan Antonio
$388
American Airlines
Jun 21
SAT8:00 amSan Antonio
5h 52m
1 stop
CHS2:52 pmCharleston
Jun 30
CHS6:18 pmCharleston
4h 58m
1 stop
SAT10:16 pmSan Antonio
$397

United Airlines flights from San Antonio to Charleston

Our best United Airlines deals on San Antonio to Charleston flight tickets
United Airlines
Jun 3
SAT4:18 pmSan Antonio
4h 57m
1 stop
CHS10:15 pmCharleston
Jun 10
CHS6:00 amCharleston
7h 30m
1 stop
SAT12:30 pmSan Antonio
$439
United Airlines
Jun 9
SAT6:40 amSan Antonio
6h 21m
1 stop
CHS2:01 pmCharleston
Jun 10
CHS6:00 amCharleston
11h 30m
2 stops
SAT4:30 pmSan Antonio
$466
United Airlines
Jun 16
SAT12:01 pmSan Antonio
10h 51m
2 stops
CHS11:52 pmCharleston
Jun 30
CHS6:00 amCharleston
10h 39m
2 stops
SAT3:39 pmSan Antonio
$472

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 May 22, 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

Tue 6/16

5:25 am-12:04 pm

1 stop5h 39m

Charleston

Tue 6/30

6:44 pm-12:33 am

1 stop6h 49m

$369
Quickest round-trip

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/16

5:01 am-12:28 pm

1 stop6h 27m

Charleston

Tue 6/30

7:19 pm-11:59 pm

1 stop5h 40m

$371

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/30

7:25 am-4:10 pm

2 stops7h 45m

Charleston

Wed 7/1

4:15 pm-10:55 pm

1 stop7h 40m

$376

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/30

7:25 am-4:10 pm

2 stops7h 45m

Charleston

Wed 7/1

3:00 pm-11:40 pm

2 stops9h 40m

$381

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 10/19

6:35 am-1:10 pm

1 stop5h 35m

Charleston

Wed 10/21

1:40 pm-8:12 pm

1 stop7h 32m

$388

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 6/26

5:30 am-4:05 pm

1 stop9h 35m

Charleston

Wed 7/1

8:15 pm-11:55 pm

1 stop4h 40m

$394

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 6/24

12:20 pm-8:25 pm

1 stop7h 05m

Charleston

Mon 6/29

4:10 pm-11:20 pm

1 stop8h 10m

$399

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/30

7:25 am-4:10 pm

2 stops7h 45m

Charleston

Thu 7/2

7:15 am-11:50 am

1 stop5h 35m

$400

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 6/23

7:25 am-4:10 pm

2 stops7h 45m

Charleston

Thu 6/25

10:35 am-4:10 pm

1 stop6h 35m

$404

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 8/27

9:35 am-5:50 pm

1 stop7h 15m

Charleston

Mon 8/31

12:05 pm-5:10 pm

1 stop6h 05m

$405

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 April is another great option to travel to Charleston, with average flight prices from San Antonio averaging around $363.

How far in advance should I book a flight from San Antonio 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 $416 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 May 2026, prices for San Antonio to Charleston flights are approximately 39% 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

4h 41m

Direct flights

None
The fastest flight from San Antonio to Charleston takes 4h 41m
There are no direct flights from San Antonio to Charleston. There are no popular flight routes from San Antonio to Charleston.
Search flight deals

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 4h 41m.

  • 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
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
DeltaPriceFrom $284Free CancellationRating
7.9
8,449 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights
SouthwestPriceFrom $310Free CancellationRating
7.9
4,277 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. 4,278 users have rated Southwest on momondo, with an average score of 7.9/10.

Traveling to a place near Charleston?

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