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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 9/1. 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
12:45 pm - 8:15 amSAT-CHS
18h 30m1 stop
Spirit Airlines Logo
12:08 pm - 6:12 pmCHS-SAT
7h 04m1 stop
$257Spirit Airlines
Find Deal
Sun, Sep 14 - Sun, Sep 21
Spirit Airlines Logo
12:45 pm - 8:15 amSAT-CHS
18h 30m1 stop
Spirit Airlines Logo
12:10 pm - 6:12 pmCHS-SAT
7h 02m1 stop
$261Spirit Airlines
Find Deal
Sun, Sep 7 - Thu, Sep 11
Delta Logo
5:25 am - 11:50 amSAT-CHS
5h 25m1 stop
Delta Logo
2:55 pm - 6:18 pmCHS-SAT
4h 23m1 stop
$297Delta
Find Deal
Tue, Sep 9 - Sat, Sep 13
American Airlines Logo
8:58 am - 4:41 pmSAT-CHS
6h 43m1 stop
American Airlines Logo
5:33 pm - 10:59 pmCHS-SAT
6h 26m2 stops
$302American Airlines
Find Deal
Wed, Aug 20 - Tue, Aug 26
Southwest Logo
11:40 am - 10:40 pmSAT-CHS
10h 00m2 stops
Southwest Logo
6:10 am - 9:50 amCHS-SAT
4h 40m1 stop
$332Southwest
Find Deal
Fri, Sep 12 - Mon, Sep 15
Delta Logo
10:37 am - 6:57 pmSAT-CHS
7h 20m1 stop
Delta Logo
7:00 am - 11:59 pmCHS-SAT
17h 59m2 stops
$341Delta
Find Deal
Thu, Sep 11 - Tue, Sep 16
Southwest Logo
6:15 pm - 12:25 amSAT-CHS
5h 10m1 stop
Southwest Logo
5:20 am - 11:05 amCHS-SAT
6h 45m1 stop
$342Southwest
Find Deal
Fri, Oct 10 - Mon, Oct 13
American Airlines Logo
5:00 am - 1:11 pmSAT-CHS
7h 11m2 stops
American Airlines Logo
5:00 am - 9:08 amCHS-SAT
5h 08m1 stop
$356American Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
United Airlines Logo
12:12 pm - 11:42 pmSAT-CHS
10h 30m2 stops
United Airlines Logo
6:30 am - 1:04 pmCHS-SAT
7h 34m1 stop
$382United Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 15
United Airlines Logo
12:12 pm - 11:42 pmSAT-CHS
10h 30m2 stops
United Airlines Logo
11:25 am - 10:56 pmCHS-SAT
12h 31m2 stops
$387United Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 15

Spirit Airlines flights from San Antonio to Charleston

Our best Spirit Airlines deals on San Antonio to Charleston flight tickets
Spirit Airlines
Sep 14
SAT12:45 pmSan Antonio
18h 30m
1 stop
CHS8:15 amCharleston
Sep 21
CHS12:08 pmCharleston
7h 04m
1 stop
SAT6:12 pmSan Antonio
$257
Find similar
Spirit Airlines
Sep 7
SAT12:45 pmSan Antonio
18h 30m
1 stop
CHS8:15 amCharleston
Sep 11
CHS12:10 pmCharleston
7h 02m
1 stop
SAT6:12 pmSan Antonio
$261
Find similar
Spirit Airlines
Sep 14
SAT12:45 pmSan Antonio
18h 30m
1 stop
CHS8:15 amCharleston
Sep 21
CHS12:10 pmCharleston
7h 02m
1 stop
SAT6:12 pmSan Antonio
$262
Find similar

Southwest flights from San Antonio to Charleston

Our best Southwest deals on San Antonio to Charleston flight tickets
Southwest
Sep 12
SAT11:40 amSan Antonio
10h 00m
2 stops
CHS10:40 pmCharleston
Sep 15
CHS6:10 amCharleston
4h 40m
1 stop
SAT9:50 amSan Antonio
$332
Find similar
Southwest
Oct 10
SAT6:15 pmSan Antonio
5h 10m
1 stop
CHS12:25 amCharleston
Oct 13
CHS5:20 amCharleston
6h 45m
1 stop
SAT11:05 amSan Antonio
$342
Find similar
Southwest
Sep 29
SAT11:40 amSan Antonio
8h 35m
2 stops
CHS9:15 pmCharleston
Oct 3
CHS5:20 amCharleston
8h 00m
2 stops
SAT12:20 pmSan Antonio
$352
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 July 31, 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

Sun 9/14

12:45 pm-8:15 am

1 stop18h 30m

Charleston

Sun 9/21

12:08 pm-6:12 pm

1 stop7h 04m

$257

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Sun 9/7

12:45 pm-8:15 am

1 stop18h 30m

Charleston

Thu 9/11

12:10 pm-6:12 pm

1 stop7h 02m

$261

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Tue 9/9

5:25 am-11:50 am

1 stop5h 25m

Charleston

Sat 9/13

2:55 pm-6:18 pm

1 stop4h 23m

$297

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Wed 8/20

8:58 am-4:41 pm

1 stop6h 43m

Charleston

Tue 8/26

5:33 pm-10:59 pm

2 stops6h 26m

$302

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 9/12

11:40 am-10:40 pm

2 stops10h 00m

Charleston

Mon 9/15

6:10 am-9:50 am

1 stop4h 40m

$332

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 9/11

10:37 am-6:57 pm

1 stop7h 20m

Charleston

Tue 9/16

7:00 am-11:59 pm

2 stops17h 59m

$341

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Fri 10/10

6:15 pm-12:25 am

1 stop5h 10m

Charleston

Mon 10/13

5:20 am-11:05 am

1 stop6h 45m

$342

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Thu 9/4

5:00 am-1:11 pm

2 stops7h 11m

Charleston

Sun 9/7

5:00 am-9:08 am

1 stop5h 08m

$356

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 11/3

12:12 pm-11:42 pm

2 stops10h 30m

Charleston

Sat 11/15

6:30 am-1:04 pm

1 stop7h 34m

$382

San AntonioCharleston

SAT - CHS

SATCHS

San Antonio

Mon 11/3

12:12 pm-11:42 pm

2 stops10h 30m

Charleston

Sat 11/15

11:25 am-10:56 pm

2 stops12h 31m

$387

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 September. Flight prices, which tend to average around $381, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Charleston, with average flight prices from San Antonio averaging around $383.

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 $435 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 $316 on momondo.

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

As of July 2025, prices for San Antonio to Charleston flights are approximately 76% 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

Best Price Found

$149

Fastest flight time

4h 50m

Direct flights

None

Airports in Charleston

1 airport
The best one-way flight to Charleston from San Antonio in the past 72 hours is $149. The best round-trip flight deal from San Antonio to Charleston found on momondo in the last 72 hours is $257.
The fastest flight from San Antonio to Charleston takes 4h 50m
There are no direct flights from San Antonio to Charleston. Popular non-direct route for this connection is San Antonio Airport - Charleston Airport.
There is 1 airport near Charleston: Charleston (CHS)
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 50m.

  • 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 $199Free CancellationRating
6.3
8,048 reviews
Search Spirit Airlines flights
DeltaPriceFrom $276Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $292Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $352Free CancellationRating
8.0
4,246 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
Mount Pleasant
Summerville
Edisto Island
Walterboro
Edisto Beach
Goose Creek
Santee
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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