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Cheap flights from San Antonio to Charleston from $161

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 8/24. 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

Discover deals from 900+ travel sites with momondo.

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
9:51 am - 8:38 am
SAT
-
CHS
21h 47m
1 stop
Multiple Airlines Logo
4:04 pm - 4:13 pm
CHS
-
SAT
25h 09m
2 stops
$292Multiple Airlines
Sat, Aug 22 - Tue, Aug 25
Delta Logo
6:45 am - 3:15 pm
SAT
-
CHS
7h 30m
1 stop
Delta Logo
5:30 am - 9:43 am
CHS
-
SAT
5h 13m
1 stop
$333Delta
Sat, Oct 17 - Tue, Oct 20
Southwest Logo
11:30 am - 7:45 pm
SAT
-
CHS
7h 15m
2 stops
Southwest Logo
4:35 pm - 8:20 pm
CHS
-
SAT
4h 45m
1 stop
$338Southwest
Wed, Sep 9 - Sat, Sep 12
Southwest Logo
6:10 am - 3:55 pm
SAT
-
CHS
8h 45m
2 stops
Southwest Logo
8:10 am - 3:40 pm
CHS
-
SAT
8h 30m
2 stops
$343Southwest
Sat, Sep 12 - Tue, Sep 15
Multiple Airlines Logo
9:51 am - 8:48 am
SAT
-
CHS
21h 57m
1 stop
Multiple Airlines Logo
9:44 pm - 4:58 pm
CHS
-
SAT
20h 14m
2 stops
$347Multiple Airlines
Fri, Aug 21 - Fri, Aug 28
American Airlines Logo
12:29 pm - 9:04 pm
SAT
-
CHS
7h 35m
1 stop
American Airlines Logo
5:51 pm - 10:00 pm
CHS
-
SAT
5h 09m
1 stop
$354American Airlines
Thu, Sep 3 - Sat, Sep 5
American Airlines Logo
12:29 pm - 9:04 pm
SAT
-
CHS
7h 35m
1 stop
American Airlines Logo
5:51 pm - 10:00 pm
CHS
-
SAT
5h 09m
1 stop
$361American Airlines
Thu, Sep 3 - Sat, Sep 5
American Airlines Logo
12:29 pm - 9:04 pm
SAT
-
CHS
7h 35m
1 stop
American Airlines Logo
5:51 pm - 10:00 pm
CHS
-
SAT
5h 09m
1 stop
$362American Airlines
Thu, Sep 3 - Sat, Sep 5
Multiple Airlines Logo
7:49 pm - 8:45 am
SAT
-
CHS
11h 56m
2 stops
Multiple Airlines Logo
2:53 pm - 8:56 am
CHS
-
SAT
19h 03m
1 stop
$363Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Multiple Airlines Logo
9:51 am - 8:48 am
SAT
-
CHS
21h 57m
1 stop
Multiple Airlines Logo
6:00 am - 10:12 am
CHS
-
SAT
29h 12m
2 stops
$364Multiple Airlines
Fri, Sep 4 - Sat, Sep 12

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American Airlines flights from San Antonio to Charleston

Our best American Airlines deals on San Antonio to Charleston flight tickets
American Airlines
Sep 3
SAT12:29 pmSan Antonio
7h 35m
1 stop
CHS9:04 pmCharleston
Sep 5
CHS5:51 pmCharleston
5h 09m
1 stop
SAT10:00 pmSan Antonio
$354
American Airlines
Sep 3
SAT12:29 pmSan Antonio
7h 35m
1 stop
CHS9:04 pmCharleston
Sep 5
CHS5:51 pmCharleston
5h 09m
1 stop
SAT10:00 pmSan Antonio
$361
American Airlines
Sep 3
SAT12:29 pmSan Antonio
7h 35m
1 stop
CHS9:04 pmCharleston
Sep 5
CHS5:51 pmCharleston
5h 09m
1 stop
SAT10:00 pmSan Antonio
$362

United Airlines flights from San Antonio to Charleston

Our best United Airlines deals on San Antonio to Charleston flight tickets
United Airlines
Sep 3
SAT12:55 pmSan Antonio
7h 39m
1 stop
CHS9:34 pmCharleston
Sep 8
CHS4:58 pmCharleston
6h 53m
1 stop
SAT10:51 pmSan Antonio
$378
United Airlines
Aug 27
SAT5:30 amSan Antonio
8h 40m
2 stops
CHS3:10 pmCharleston
Aug 30
CHS6:30 amCharleston
6h 22m
1 stop
SAT11:52 amSan Antonio
$390
United Airlines
Aug 26
SAT6:30 amSan Antonio
6h 28m
1 stop
CHS1:58 pmCharleston
Aug 30
CHS6:30 amCharleston
6h 22m
1 stop
SAT11:52 amSan Antonio
$401

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 July 23, 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

Sat 8/22

9:51 am-8:38 am

1 stop21h 47m

Charleston

Tue 8/25

4:04 pm-4:13 pm

2 stops25h 09m

$292

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 10/17

6:45 am-3:15 pm

1 stop7h 30m

Charleston

Tue 10/20

5:30 am-9:43 am

1 stop5h 13m

$333
Quickest round-trip

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 9/9

11:30 am-7:45 pm

2 stops7h 15m

Charleston

Sat 9/12

4:35 pm-8:20 pm

1 stop4h 45m

$338

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sat 9/12

6:10 am-3:55 pm

2 stops8h 45m

Charleston

Tue 9/15

8:10 am-3:40 pm

2 stops8h 30m

$343

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 8/21

9:51 am-8:48 am

1 stop21h 57m

Charleston

Fri 8/28

9:44 pm-4:58 pm

2 stops20h 14m

$347

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 9/3

12:29 pm-9:04 pm

1 stop7h 35m

Charleston

Sat 9/5

5:51 pm-10:00 pm

1 stop5h 09m

$354

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 9/3

12:29 pm-9:04 pm

1 stop7h 35m

Charleston

Sat 9/5

5:51 pm-10:00 pm

1 stop5h 09m

$361

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 9/3

12:29 pm-9:04 pm

1 stop7h 35m

Charleston

Sat 9/5

5:51 pm-10:00 pm

1 stop5h 09m

$362

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 8/13

7:49 pm-8:45 am

2 stops11h 56m

Charleston

Thu 8/20

2:53 pm-8:56 am

1 stop19h 03m

$363

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 9/4

9:51 am-8:48 am

1 stop21h 57m

Charleston

Sat 9/12

6:00 am-10:12 am

2 stops29h 12m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $432 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 $331 on momondo.

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

As of July 2026, prices for San Antonio to Charleston flights are approximately 165% 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 47m

Direct flights

None
The fastest flight from San Antonio to Charleston takes 4h 47m
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 47m.

  • 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
10,024 reviews
Search United Airlines flights
DeltaPriceFrom $284Free CancellationRating
7.8
8,479 reviews
Search Delta flights
American AirlinesPriceFrom $303Free CancellationRating
7.1
11,832 reviews
Search American Airlines flights
SouthwestPriceFrom $310Free CancellationRating
8.0
4,238 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
North Charleston
Summerville
Isle of Palms
Mount Pleasant
Kiawah Island
Santee
Walterboro
Edisto Island
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.

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