$161+ Cheap flights from San Antonio to Charleston (SAT - CHS)
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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Cheapest flights from San Antonio to CharlestonExplore the most affordable flight options available from San Antonio to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from San Antonio to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sat 8/229:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
Tue 8/254:04 pm
CHS
- SAT
2 stops25h 09m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 7/22. 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.
Sat 10/176:45 am
SAT
- CHS
1 stop7h 30m
Delta
Tue 10/205:30 am
CHS
- SAT
1 stop5h 13m
Delta
Deal found 7/22![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:30 am
SAT
- CHS
2 stops7h 15m
Southwest
Sat 9/124:35 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 7/21![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am
SAT
- CHS
2 stops8h 45m
Southwest
Tue 9/158:10 am
CHS
- SAT
2 stops8h 30m
Southwest
Deal found 7/22![Southwest logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:51 am
SAT
- CHS
1 stop21h 57m
Multiple Airlines
Fri 8/289:44 pm
CHS
- SAT
2 stops20h 14m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:29 pm
SAT
- CHS
1 stop7h 35m
American Airlines
Sat 9/55:51 pm
CHS
- SAT
1 stop5h 09m
American Airlines
Deal found 7/19![American Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Thu 8/137:49 pm
SAT
- CHS
2 stops11h 56m
Multiple Airlines
Thu 8/202:53 pm
CHS
- SAT
1 stop19h 03m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:51 am
SAT
- CHS
1 stop21h 57m
Multiple Airlines
Sat 9/126:00 am
CHS
- SAT
2 stops29h 12m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/195:00 am
SAT
- CHS
2 stops7h 16m
American Airlines
Sat 8/226:15 am
CHS
- SAT
1 stop6h 17m
American Airlines
Deal found 7/21![American Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:53 pm
SAT
- CHS
2 stops20h 05m
Multiple Airlines
Sun 8/302:53 pm
CHS
- SAT
1 stop19h 03m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$367
Best flights from San Antonio to CharlestonDiscover carefully curated flight deals from San Antonio to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from San Antonio to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 9/127:00 am
SAT
- CHS
1 stop6h 50m
United Airlines
Tue 9/1511:37 am
CHS
- SAT
2 stops9h 16m
United Airlines
Deal found 7/22![United Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:30 am
SAT
- CHS
2 stops7h 15m
Southwest
Sat 9/124:35 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 7/21![Southwest logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:26 pm
SAT
- CHS
2 stops18h 02m
Multiple Airlines
Fri 8/213:23 pm
CHS
- SAT
1 stop18h 33m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/187:55 am
SAT
- CHS
1 stop4h 16m
Delta
Fri 8/211:01 pm
CHS
- SAT
1 stop6h 45m
Delta
Deal found 7/22![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am
SAT
- CHS
2 stops8h 45m
Southwest
Tue 9/158:10 am
CHS
- SAT
2 stops8h 30m
Southwest
Deal found 7/22![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 8/267:55 am
SAT
- CHS
1 stop7h 05m
Delta
Sun 8/305:10 am
CHS
- SAT
1 stop5h 38m
Delta
Deal found 7/19![Delta logo]()
$401
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/266:30 am
SAT
- CHS
1 stop6h 28m
United Airlines
Sun 8/306:30 am
CHS
- SAT
1 stop6h 22m
United Airlines
Deal found 7/20![United Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 7/20. 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.
Sat 8/228:35 am
SAT
- CHS
2 stops6h 20m
Southwest
Mon 8/246:35 am
CHS
- SAT
2 stops8h 40m
Southwest
Deal found 7/20![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 7/18. 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.
Tue 10/136:22 pm
SAT
- CHS
1 stop4h 37m
Delta
Sun 10/185:30 am
CHS
- SAT
1 stop5h 13m
Delta
Deal found 7/18![Delta logo]()
$401
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:30 am
SAT
- CHS
1 stop4h 53m
Delta
Sun 10/117:10 pm
CHS
- SAT
1 stop6h 17m
Delta
Deal found 7/21![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:30 am
SAT
- CHS
1 stop5h 50m
Southwest
Tue 9/16:45 am
CHS
- SAT
1 stop4h 35m
Southwest
Deal found 7/21![Southwest logo]()
$420
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated July 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Thu 8/137:49 pm
SAT
- CHS
2 stops11h 56m
Multiple Airlines
Thu 8/202:53 pm
CHS
- SAT
1 stop19h 03m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:26 pm
SAT
- CHS
2 stops18h 02m
Multiple Airlines
Fri 8/213:23 pm
CHS
- SAT
1 stop18h 33m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/192:45 pm
SAT
- CHS
1 stop7h 05m
American Airlines
Sat 8/224:10 pm
CHS
- SAT
1 stop6h 05m
American Airlines
Deal found 7/21![American Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/20. 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.
Wed 8/195:20 am
SAT
- CHS
1 stop6h 51m
Delta
Sat 8/224:56 pm
CHS
- SAT
1 stop5h 08m
Delta
Deal found 7/20![Delta logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:51 am
SAT
- CHS
1 stop21h 57m
Multiple Airlines
Fri 8/289:44 pm
CHS
- SAT
2 stops20h 14m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sat 8/229:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
Tue 8/254:04 pm
CHS
- SAT
2 stops25h 09m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sat 8/229:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
Mon 8/243:23 pm
CHS
- SAT
2 stops29h 08m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 7/20. 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.
Sat 8/226:10 am
SAT
- CHS
2 stops8h 45m
Southwest
Tue 8/256:45 am
CHS
- SAT
2 stops8h 50m
Southwest
Deal found 7/20![Southwest logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:53 pm
SAT
- CHS
2 stops20h 05m
Multiple Airlines
Sun 8/302:53 pm
CHS
- SAT
1 stop19h 03m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 8/2712:29 pm
SAT
- CHS
1 stop5h 19m
American Airlines
Sun 8/303:11 pm
CHS
- SAT
1 stop6h 13m
American Airlines
Deal found 7/21![American Airlines logo]()
$380
One-way flights from San Antonio to CharlestonSearch for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/249:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 7/20. 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.
Thu 8/209:30 am
SAT
- CHS
1 stop7h 20m
Southwest
Deal found 7/20![Southwest logo]()
$167
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 8/205:30 am
SAT
- CHS
2 stops8h 40m
United Airlines
Deal found 7/20![United Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 9/277:49 pm
SAT
- CHS
3 stops35h 49m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:39 pm
SAT
- CHS
2 stops18h 49m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Thu 8/209:55 am
SAT
- CHS
3 stops31h 16m
Breeze Airways
Deal found 7/20![Breeze Airways logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Mon 7/279:32 pm
SAT
- CHS
2 stops40h 56m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Sun 7/269:32 pm
SAT
- CHS
2 stops34h 06m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$352
Find flight deals from San Antonio to Charleston
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Charleston (CHS). 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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Kiwi.com) |
One-way from | $161 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $426 |
Cheapflights 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, Cheapflights users made 2,558,603 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
Cheapest round-trip
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 9/12
7:00 am-2:50 pm
1 stop6h 50m
Charleston
Tue 9/15
11:37 am-7:53 pm
2 stops9h 16m
$338
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
Tue 8/18
8:26 pm-3:28 pm
2 stops18h 02m
Charleston
Fri 8/21
3:23 pm-8:56 am
1 stop18h 33m
$373
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Tue 8/18
7:55 am-1:11 pm
1 stop4h 16m
Charleston
Fri 8/21
1:01 pm-6:46 pm
1 stop6h 45m
$385
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 8/22
8:35 am-3:55 pm
2 stops6h 20m
Charleston
Mon 8/24
6:35 am-2:15 pm
2 stops8h 40m
$385
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Wed 8/26
7:55 am-4:00 pm
1 stop7h 05m
Charleston
Sun 8/30
5:10 am-9:48 am
1 stop5h 38m
$401
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Wed 8/26
6:30 am-1:58 pm
1 stop6h 28m
Charleston
Sun 8/30
6:30 am-11:52 am
1 stop6h 22m
$401
Quickest round-trip
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Tue 10/13
6:22 pm-11:59 pm
1 stop4h 37m
Charleston
Sun 10/18
5:30 am-9:43 am
1 stop5h 13m
$401
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 10/3
5:30 am-11:23 am
1 stop4h 53m
Charleston
Sun 10/11
7:10 pm-12:27 am
1 stop6h 17m
$411
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Charleston
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 San Antonio to Charleston in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Antonio-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Charleston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Charleston 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 San Antonio-Charleston 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 San Antonio to Charleston
Have a flexible travel schedule? Discover the best time to fly to Charleston from San Antonio with our price prediction graph.
SAT-CHS
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 San Antonio to Charleston
How far ahead should I book a flight from San Antonio to Charleston?
The price you pay for your flight from San Antonio to Charleston may vary depending on when you book. For the best chance of a lower fare, look to book 6 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Antonio to Charleston?
Currently, January is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $319). Flying from San Antonio to Charleston in June is currently the most expensive (average of $614). 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 San Antonio to Charleston?
Reviews of airlines servicing Charleston
Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated July 23, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from San Antonio to Charleston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Charleston. 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 Charleston?
Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Goose Creek
Edisto Beach
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for San Antonio to Charleston
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Other flights to Charleston
Explore flights to Charleston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Complete your trip
Complete your trip to Charleston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Charleston by cabin class
Find flights from San Antonio to Charleston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Charleston flights
Browse other San Antonio and Charleston flight options. Last updated on July 23, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Antonio to Charleston
Discover the top 4 airlines that operate flights from San Antonio to Charleston. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$277 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$445 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$310 | Average$436 | FlexibilityNo cancel fee | On-time63% |