$138+ Cheap flights from Charleston to San Antonio (CHS - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SAT
Touko 24 — Touko 311
Round-trip
1 adult, Economy
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Find cheap flights from Charleston to San Antonio with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Charleston to San Antonio
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Best
Last-minute
One-way
Cheapest flights from Charleston to San AntonioExplore the most affordable flight options available from Charleston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on huhtikuu 24, 2026.
Explore the most affordable flight options available from Charleston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on huhtikuu 24, 2026.
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/126:10 am
CHS
- SAT
1 stop5h 29m
American Airlines
la 5/166:10 am
SAT
- CHS
1 stop6h 49m
American Airlines
Deal found 4/21![American Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
la 6/208:56 pm
CHS
- SAT
2 stops22h 41m
Multiple Airlines
ma 6/294:22 pm
SAT
- CHS
1 stop15h 16m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/142:48 pm
CHS
- SAT
1 stop7h 47m
United Airlines
ma 5/182:25 pm
SAT
- CHS
1 stop6h 34m
United Airlines
Deal found 4/21![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/223:43 pm
CHS
- SAT
1 stop7h 17m
American Airlines
ti 5/265:52 pm
SAT
- CHS
1 stop4h 56m
American Airlines
Deal found 4/21![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/124:25 pm
CHS
- SAT
1 stop6h 36m
American Airlines
su 5/176:10 am
SAT
- CHS
1 stop7h 00m
American Airlines
Deal found 4/21![American Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 7/214:04 pm
CHS
- SAT
2 stops25h 09m
Multiple Airlines
ke 7/295:09 pm
SAT
- CHS
1 stop14h 29m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/155:08 pm
CHS
- SAT
1 stop6h 46m
United Airlines
ma 5/184:10 pm
SAT
- CHS
1 stop4h 49m
United Airlines
Deal found 4/22![United Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 6/163:13 pm
CHS
- SAT
2 stops29h 58m
Multiple Airlines
la 6/204:22 pm
SAT
- CHS
1 stop15h 16m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 6/47:15 am
CHS
- SAT
1 stop5h 35m
Southwest
su 6/73:25 pm
SAT
- CHS
1 stop6h 25m
Southwest
Deal found 4/19![Southwest logo]()
$375
Best flights from Charleston to San AntonioDiscover carefully curated flight deals from Charleston to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated huhtikuu 24, 2026.
Discover carefully curated flight deals from Charleston to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated huhtikuu 24, 2026.
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 6/127:15 am
CHS
- SAT
1 stop5h 35m
Southwest
ma 6/155:10 am
SAT
- CHS
1 stop7h 05m
Southwest
Deal found 4/19![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/216:00 am
CHS
- SAT
1 stop7h 12m
United Airlines
su 5/244:18 pm
SAT
- CHS
1 stop4h 57m
United Airlines
Deal found 4/20![United Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 7/205:00 pm
CHS
- SAT
1 stop4h 37m
Delta
ke 7/297:50 am
SAT
- CHS
1 stop4h 52m
Delta
Deal found 4/19![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/126:00 am
CHS
- SAT
2 stops10h 39m
United Airlines
la 5/162:00 pm
SAT
- CHS
2 stops8h 59m
United Airlines
Deal found 4/21![United Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 7/231:05 pm
CHS
- SAT
1 stop5h 09m
Delta
to 7/306:19 pm
SAT
- CHS
1 stop5h 07m
Delta
Deal found 4/19![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ke 5/206:40 am
CHS
- SAT
2 stops6h 30m
Southwest
to 5/215:45 am
SAT
- CHS
2 stops7h 30m
Southwest
Deal found 4/20![Southwest logo]()
$477
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 6/266:24 pm
CHS
- SAT
1 stop7h 06m
Delta
ma 6/297:51 am
SAT
- CHS
1 stop7h 10m
Delta
Deal found 4/22![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/216:00 am
CHS
- SAT
2 stops6h 25m
Southwest
su 5/2412:30 pm
SAT
- CHS
2 stops7h 20m
Southwest
Deal found 4/20![Southwest logo]()
$494
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ke 7/111:31 am
CHS
- SAT
2 stops9h 19m
United Airlines
ke 7/87:00 am
SAT
- CHS
1 stop6h 27m
United Airlines
Deal found 4/20![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/2210:00 am
CHS
- SAT
2 stops10h 50m
United Airlines
ti 5/261:40 pm
SAT
- CHS
1 stop7h 11m
United Airlines
Deal found 4/23![United Airlines logo]()
$544
Last-minute flights from Charleston to San AntonioDiscover last-minute flight deals from Charleston to San Antonio. Data last updated huhtikuu 24, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to San Antonio. Data last updated huhtikuu 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/126:10 am
CHS
- SAT
1 stop5h 29m
American Airlines
la 5/166:10 am
SAT
- CHS
1 stop6h 49m
American Airlines
Deal found 4/21![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/124:25 pm
CHS
- SAT
1 stop6h 36m
American Airlines
su 5/176:10 am
SAT
- CHS
1 stop7h 00m
American Airlines
Deal found 4/21![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/142:48 pm
CHS
- SAT
1 stop7h 47m
United Airlines
ma 5/182:25 pm
SAT
- CHS
1 stop6h 34m
United Airlines
Deal found 4/21![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/146:00 am
CHS
- SAT
1 stop5h 10m
Southwest
ma 5/255:45 am
SAT
- CHS
2 stops7h 30m
Southwest
Deal found 4/20![Southwest logo]()
$393
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/155:08 pm
CHS
- SAT
1 stop6h 46m
United Airlines
ma 5/184:10 pm
SAT
- CHS
1 stop4h 49m
United Airlines
Deal found 4/22![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ke 5/203:40 pm
CHS
- SAT
1 stop8h 35m
Southwest
to 5/215:45 am
SAT
- CHS
2 stops7h 30m
Southwest
Deal found 4/20![Southwest logo]()
$397
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/223:43 pm
CHS
- SAT
1 stop7h 17m
American Airlines
ti 5/265:52 pm
SAT
- CHS
1 stop4h 56m
American Airlines
Deal found 4/21![American Airlines logo]()
$351
One-way flights from Charleston to San AntonioSearch for one-way flight options from Charleston to San Antonio. Find affordable one-way fares based on user searches. Data last updated huhtikuu 24, 2026.
Search for one-way flight options from Charleston to San Antonio. Find affordable one-way fares based on user searches. Data last updated huhtikuu 24, 2026.
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ke 5/205:00 am
CHS
- SAT
1 stop5h 15m
American Airlines
Deal found 4/20![American Airlines logo]()
$138
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ke 5/2710:00 am
CHS
- SAT
2 stops10h 50m
United Airlines
Deal found 4/20![United Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/196:00 am
CHS
- SAT
1 stop7h 28m
Delta
Deal found 4/20![Delta logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
la 5/233:44 pm
CHS
- SAT
2 stops28h 15m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$148
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
la 5/233:43 pm
CHS
- SAT
1 stop6h 23m
American Airlines
Deal found 4/20![American Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/263:13 pm
CHS
- SAT
2 stops30h 01m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/2811:47 am
CHS
- SAT
1 stop6h 33m
Delta
Deal found 4/20![Delta logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
su 5/242:53 pm
CHS
- SAT
2 stops29h 06m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 6/233:13 pm
CHS
- SAT
1 stop26h 01m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/282:39 pm
CHS
- SAT
2 stops26h 37m
Spirit Airlines
Deal found 4/20![Spirit Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/282:39 pm
CHS
- SAT
3 stops29h 20m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$183
Find flight deals from Charleston to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated huhtikuu 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (American Airlines) |
One-way from | $138 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $432 |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston to San Antonio 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, Cheapflights users made 2,558,603 searches. Data last updated huhtikuu 24, 2026.
Use the filters below to find and compare flights from Charleston to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
pe 6/12
7:15 am-11:50 am
1 stop5h 35m
San Antonio
ma 6/15
5:10 am-1:15 pm
1 stop7h 05m
$422
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
to 5/21
6:00 am-12:12 pm
1 stop7h 12m
San Antonio
su 5/24
4:18 pm-10:15 pm
1 stop4h 57m
$427
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
ti 5/12
6:00 am-3:39 pm
2 stops10h 39m
San Antonio
la 5/16
2:00 pm-11:59 pm
2 stops8h 59m
$431
Quickest round-trip
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
ma 7/20
5:00 pm-8:37 pm
1 stop4h 37m
San Antonio
ke 7/29
7:50 am-1:42 pm
1 stop4h 52m
$445
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
to 7/23
1:05 pm-5:14 pm
1 stop5h 09m
San Antonio
to 7/30
6:19 pm-12:26 am
1 stop5h 07m
$445
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
pe 6/26
6:24 pm-12:30 am
1 stop7h 06m
San Antonio
ma 6/29
7:51 am-4:01 pm
1 stop7h 10m
$445
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
ke 5/20
6:40 am-12:10 pm
2 stops6h 30m
San Antonio
to 5/21
5:45 am-2:15 pm
2 stops7h 30m
$477
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
to 5/21
6:00 am-11:25 am
2 stops6h 25m
San Antonio
su 5/24
12:30 pm-8:50 pm
2 stops7h 20m
$494
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
ke 7/1
11:31 am-7:50 pm
2 stops9h 19m
San Antonio
ke 7/8
7:00 am-2:27 pm
1 stop6h 27m
$522
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
pe 5/22
10:00 am-7:50 pm
2 stops10h 50m
San Antonio
ti 5/26
1:40 pm-9:51 pm
1 stop7h 11m
$544
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Charleston to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to San Antonio in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Charleston-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Charleston-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Charleston to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Charleston with our price prediction graph.
CHS-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Charleston to San Antonio
What is the cheapest month to book a flight from Charleston to San Antonio?
Currently, September is the cheapest month in which you can book a flight from Charleston to San Antonio (average of $342). Flying from Charleston to San Antonio in December is currently the most expensive (average of $508). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Charleston to San Antonio?
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated huhtikuu 24, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican Airlines from Charleston to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Charleston to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Charleston and San Antonio flights
Browse other Charleston and San Antonio flight options. Last updated on huhtikuu 24, 2026.
Other flights from Charleston
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Other flights to San Antonio
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Top 3 airlines flying from Charleston to San Antonio
Discover the top 3 airlines that operate flights from Charleston to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated huhtikuu 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$466 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$281 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$446 | FlexibilityNo cancel fee | On-time63% |