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Cheap flights from San Antonio to Charleston from $108

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 4/6. 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.
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
$192Spirit Airlines
Wed, Mar 18 - Tue, Mar 24
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
$236Spirit Airlines
Thu, Mar 19 - Sun, Mar 22
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
$244Spirit Airlines
Wed, Mar 18 - Sun, Mar 22
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Spirit Airlines Logo
12:04 pm - 12:27 pm
CHS
-
SAT
25h 23m
3 stops
$245Spirit Airlines
Wed, Mar 18 - Tue, Mar 24
Multiple Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Multiple Airlines Logo
4:03 pm - 9:27 am
CHS
-
SAT
18h 24m
2 stops
$247Multiple Airlines
Wed, Mar 18 - Tue, Mar 24
Multiple Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Multiple Airlines Logo
3:01 pm - 3:53 pm
CHS
-
SAT
25h 52m
2 stops
$263Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Spirit Airlines Logo
1:22 pm - 10:13 pm
SAT
-
CHS
31h 51m
2 stops
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
$265Spirit Airlines
Tue, Mar 24 - Fri, Mar 27
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Spirit Airlines Logo
8:07 am - 9:27 am
CHS
-
SAT
26h 20m
1 stop
$266Spirit Airlines
Mon, Apr 6 - Thu, Apr 9
Spirit Airlines Logo
10:22 am - 10:13 pm
SAT
-
CHS
10h 51m
1 stop
Spirit Airlines Logo
12:04 pm - 9:11 am
CHS
-
SAT
46h 07m
2 stops
$269Spirit Airlines
Tue, Apr 7 - Tue, Apr 14
Spirit Airlines Logo
10:26 am - 9:49 pm
SAT
-
CHS
10h 23m
1 stop
Spirit Airlines Logo
7:00 am - 9:11 am
CHS
-
SAT
27h 11m
1 stop
$291Spirit Airlines
Thu, Apr 16 - Sun, Apr 19

Spirit Airlines flights from San Antonio to Charleston

Our best Spirit Airlines deals on San Antonio to Charleston flight tickets
Spirit Airlines
Mar 18
SAT10:22 amSan Antonio
10h 51m
1 stop
CHS10:13 pmCharleston
Mar 24
CHS8:07 amCharleston
26h 20m
1 stop
SAT9:27 amSan Antonio
$192
Spirit Airlines
Mar 19
SAT10:22 amSan Antonio
10h 51m
1 stop
CHS10:13 pmCharleston
Mar 22
CHS8:07 amCharleston
26h 20m
1 stop
SAT9:27 amSan Antonio
$236
Spirit Airlines
Mar 18
SAT10:22 amSan Antonio
10h 51m
1 stop
CHS10:13 pmCharleston
Mar 22
CHS8:07 amCharleston
26h 20m
1 stop
SAT9:27 amSan Antonio
$244

Southwest flights from San Antonio to Charleston

Our best Southwest deals on San Antonio to Charleston flight tickets
Southwest
Apr 7
SAT11:20 amSan Antonio
7h 40m
2 stops
CHS8:00 pmCharleston
Apr 14
CHS7:15 amCharleston
8h 50m
2 stops
SAT3:05 pmSan Antonio
$345
Southwest
Mar 14
SAT6:45 pmSan Antonio
4h 25m
1 stop
CHS12:10 amCharleston
Mar 19
CHS5:20 amCharleston
7h 55m
2 stops
SAT12:15 pmSan Antonio
$408
Southwest
Apr 7
SAT8:20 amSan Antonio
8h 20m
2 stops
CHS5:40 pmCharleston
Apr 14
CHS12:00 pmCharleston
9h 15m
2 stops
SAT8:15 pmSan Antonio
$417

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 February 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

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 3/18

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Tue 3/24

8:07 am-9:27 am

1 stop26h 20m

$192

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 3/19

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Sun 3/22

8:07 am-9:27 am

1 stop26h 20m

$236

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 3/18

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Sun 3/22

8:07 am-9:27 am

1 stop26h 20m

$244

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 3/18

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Tue 3/24

12:04 pm-12:27 pm

3 stops25h 23m

$245

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 3/18

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Tue 3/24

4:03 pm-9:27 am

2 stops18h 24m

$247

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 4/7

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Tue 4/14

3:01 pm-3:53 pm

2 stops25h 52m

$263

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 3/24

1:22 pm-10:13 pm

2 stops31h 51m

Charleston

Fri 3/27

8:07 am-9:27 am

1 stop26h 20m

$265

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 4/6

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Thu 4/9

8:07 am-9:27 am

1 stop26h 20m

$266

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 4/7

10:22 am-10:13 pm

1 stop10h 51m

Charleston

Tue 4/14

12:04 pm-9:11 am

2 stops46h 07m

$269

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 4/16

10:26 am-9:49 pm

1 stop10h 23m

Charleston

Sun 4/19

7:00 am-9:11 am

1 stop27h 11m

$291

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 $319, 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.

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 $434 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 $318 on momondo.

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

As of February 2026, prices for San Antonio to Charleston flights are approximately 353% 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 08m

Direct flights

None
The fastest flight from San Antonio to Charleston takes 6h 08m
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 6h 08m.

  • 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
8,241 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,338 reviews
Search American Airlines flights
SouthwestPriceFrom $310Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
9,341 reviews
Search United Airlines 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
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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