$170+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Jun 15 — Jun 221
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 May 16, 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 May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 7/274:26 pm
SAT
- CHS
1 stop15h 12m
Multiple Airlines
Mon 8/313:23 pm
CHS
- SAT
2 stops29h 48m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 5/12. 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 6/107:00 am
SAT
- CHS
1 stop5h 10m
Southwest
Wed 6/242:10 pm
CHS
- SAT
1 stop5h 30m
Southwest
Deal found 5/12![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 5/13. 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
Wed 9/231:15 pm
CHS
- SAT
1 stop9h 10m
Southwest
Deal found 5/13![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 5/12. 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.
Tue 6/911:50 am
SAT
- CHS
1 stop7h 50m
Southwest
Tue 6/163:00 pm
CHS
- SAT
2 stops8h 55m
Southwest
Deal found 5/12![Southwest logo]()
$385
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 10/193:56 pm
SAT
- CHS
1 stop7h 09m
American Airlines
Wed 10/2111:17 am
CHS
- SAT
1 stop7h 25m
American Airlines
Deal found 5/13![American Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 5/13. 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 6/107:25 am
SAT
- CHS
2 stops7h 45m
Southwest
Wed 6/173:00 pm
CHS
- SAT
1 stop7h 35m
Southwest
Deal found 5/13![Southwest logo]()
$394
This American Airlines deal was found by Cheapflights users on 5/13. 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 6/246:01 am
SAT
- CHS
1 stop7h 40m
American Airlines
Mon 6/297:19 pm
CHS
- SAT
1 stop5h 40m
American Airlines
Deal found 5/13![American Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 7/134:26 pm
SAT
- CHS
1 stop15h 12m
Multiple Airlines
Sat 7/183:44 pm
CHS
- SAT
2 stops28h 10m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 5/15. 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.
Tue 6/305:30 am
SAT
- CHS
2 stops7h 50m
Southwest
Sat 7/412:05 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 5/15![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 5/15. 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 11/711:20 am
SAT
- CHS
1 stop5h 45m
Southwest
Mon 11/95:30 am
CHS
- SAT
1 stop6h 20m
Southwest
Deal found 5/15![Southwest logo]()
$405
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 May 16, 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 May 16, 2026.
This Southwest deal was found by Cheapflights users on 5/14. 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.
Fri 8/142:15 pm
SAT
- CHS
1 stop6h 10m
Southwest
Tue 8/187:20 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 5/14![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 6/54:18 pm
SAT
- CHS
1 stop4h 57m
United Airlines
Sat 6/66:00 am
CHS
- SAT
1 stop7h 12m
United Airlines
Deal found 5/12![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 5/15. 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 11/712:40 pm
SAT
- CHS
1 stop4h 25m
Southwest
Mon 11/95:30 am
CHS
- SAT
2 stops8h 25m
Southwest
Deal found 5/15![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Tue 6/91:20 pm
SAT
- CHS
1 stop7h 31m
United Airlines
Wed 6/106:00 am
CHS
- SAT
1 stop7h 30m
United Airlines
Deal found 5/14![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 5/12. 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 7/233:20 pm
SAT
- CHS
1 stop6h 30m
Southwest
Sun 7/269:20 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 5/12![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 5/13. 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.
Fri 7/243:20 pm
SAT
- CHS
1 stop6h 30m
Southwest
Sun 7/269:20 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 5/13![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 5/14. 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 7/185:30 am
SAT
- CHS
2 stops8h 55m
Southwest
Thu 7/233:15 pm
CHS
- SAT
2 stops9h 15m
Southwest
Deal found 5/14![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 5/12. 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 5/305:25 am
SAT
- CHS
2 stops9h 35m
Southwest
Thu 6/44:45 pm
CHS
- SAT
2 stops7h 15m
Southwest
Deal found 5/12![Southwest logo]()
$508
This Southwest deal was found by Cheapflights users on 5/14. 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 5/305:25 am
SAT
- CHS
2 stops9h 35m
Southwest
Wed 6/32:25 pm
CHS
- SAT
1 stop8h 15m
Southwest
Deal found 5/14![Southwest logo]()
$512
This Southwest deal was found by Cheapflights users on 5/14. 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 6/119:45 am
SAT
- CHS
2 stops9h 55m
Southwest
Sun 6/149:20 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 5/14![Southwest logo]()
$522
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated May 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/111:30 am
SAT
- CHS
2 stops21h 07m
Multiple Airlines
Thu 6/41:09 pm
CHS
- SAT
1 stop21h 32m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 5/13. 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.
Fri 6/54:18 pm
SAT
- CHS
1 stop4h 57m
United Airlines
Sat 6/66:00 am
CHS
- SAT
1 stop7h 12m
United Airlines
Deal found 5/13![United Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 6/85:52 pm
SAT
- CHS
1 stop5h 07m
American Airlines
Sat 6/137:10 pm
CHS
- SAT
1 stop4h 55m
American Airlines
Deal found 5/13![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 6/85:52 pm
SAT
- CHS
1 stop5h 07m
American Airlines
Fri 6/1210:52 am
CHS
- SAT
1 stop7h 08m
American Airlines
Deal found 5/13![American Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 5/12. 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.
Tue 6/911:50 am
SAT
- CHS
1 stop7h 50m
Southwest
Tue 6/163:00 pm
CHS
- SAT
2 stops8h 55m
Southwest
Deal found 5/12![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 5/12. 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 6/107:00 am
SAT
- CHS
1 stop5h 10m
Southwest
Wed 6/242:10 pm
CHS
- SAT
1 stop5h 30m
Southwest
Deal found 5/12![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 5/13. 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 6/107:25 am
SAT
- CHS
2 stops7h 45m
Southwest
Wed 6/173:00 pm
CHS
- SAT
1 stop7h 35m
Southwest
Deal found 5/13![Southwest logo]()
$394
This American Airlines deal was found by Cheapflights users on 5/14. 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 6/115:52 pm
SAT
- CHS
1 stop5h 07m
American Airlines
Sun 6/145:00 am
CHS
- SAT
1 stop5h 10m
American Airlines
Deal found 5/14![American Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Sat 6/202:51 pm
SAT
- CHS
1 stop6h 23m
American Airlines
Mon 6/225:00 am
CHS
- SAT
1 stop5h 10m
American Airlines
Deal found 5/14![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 5/13. 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 6/246:01 am
SAT
- CHS
1 stop7h 40m
American Airlines
Mon 6/297:19 pm
CHS
- SAT
1 stop5h 40m
American Airlines
Deal found 5/13![American Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 5/15. 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.
Tue 6/305:30 am
SAT
- CHS
2 stops7h 50m
Southwest
Sat 7/412:05 pm
CHS
- SAT
1 stop4h 45m
Southwest
Deal found 5/15![Southwest logo]()
$404
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 May 16, 2026.
Search for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 7/78:59 pm
SAT
- CHS
2 stops34h 39m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/177:51 pm
SAT
- CHS
2 stops11h 47m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 5/14. 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 6/175:52 pm
SAT
- CHS
1 stop4h 55m
American Airlines
Deal found 5/14![American Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/27:54 pm
SAT
- CHS
2 stops35h 44m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$195
This Southwest deal was found by Cheapflights users on 5/14. 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 6/247:25 am
SAT
- CHS
2 stops7h 45m
Southwest
Deal found 5/14![Southwest logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/277:54 pm
SAT
- CHS
2 stops11h 44m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 5/12. 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 5/276:00 am
SAT
- CHS
1 stop7h 41m
American Airlines
Deal found 5/12![American Airlines logo]()
$214
This deal was found by Cheapflights users on 5/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/244:18 pm
SAT
- CHS
1 stop4h 57m
United Airlines
Deal found 5/16![United Airlines logo]()
$231
This Southwest deal was found by Cheapflights users on 5/13. 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.
Sun 6/147:30 am
SAT
- CHS
2 stops7h 50m
Southwest
Deal found 5/13![Southwest logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 6/18:59 pm
SAT
- CHS
2 stops35h 39m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$241
This Southwest deal was found by Cheapflights users on 5/11. 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.
Fri 7/35:30 am
SAT
- CHS
1 stop9h 35m
Southwest
Deal found 5/11![Southwest logo]()
$247
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 May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (Kiwi.com) |
One-way from | $170 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $425 |
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 May 16, 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
Quickest round-trip
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Fri 8/14
2:15 pm-9:25 pm
1 stop6h 10m
Charleston
Tue 8/18
7:20 pm-11:05 pm
1 stop4h 45m
$399
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 11/7
12:40 pm-6:05 pm
1 stop4h 25m
Charleston
Mon 11/9
5:30 am-12:55 pm
2 stops8h 25m
$410
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Fri 6/5
4:18 pm-10:15 pm
1 stop4h 57m
Charleston
Sat 6/6
6:00 am-12:12 pm
1 stop7h 12m
$426
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 7/23
3:20 pm-10:50 pm
1 stop6h 30m
Charleston
Sun 7/26
9:20 pm-1:05 am
1 stop4h 45m
$427
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Fri 7/24
3:20 pm-10:50 pm
1 stop6h 30m
Charleston
Sun 7/26
9:20 pm-1:05 am
1 stop4h 45m
$427
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 7/18
5:30 am-3:25 pm
2 stops8h 55m
Charleston
Thu 7/23
3:15 pm-11:30 pm
2 stops9h 15m
$437
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Tue 6/9
1:20 pm-9:51 pm
1 stop7h 31m
Charleston
Wed 6/10
6:00 am-12:30 pm
1 stop7h 30m
$461
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 5/30
5:25 am-4:00 pm
2 stops9h 35m
Charleston
Thu 6/4
4:45 pm-11:00 pm
2 stops7h 15m
$508
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 5/30
5:25 am-4:00 pm
2 stops9h 35m
Charleston
Wed 6/3
2:25 pm-9:40 pm
1 stop8h 15m
$512
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 6/11
9:45 am-8:40 pm
2 stops9h 55m
Charleston
Sun 6/14
9:20 pm-1:05 am
1 stop4h 45m
$522
Showing 1-10 of 22 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 May.
| 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 March is currently the most expensive (average of $477). 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 May 16, 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.
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
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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 May 16, 2026.
Complete your trip
Complete your trip to Charleston by adding a car rental and/or hotel reservation to your travel itinerary.
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San Antonio and Charleston flights
Browse other San Antonio and Charleston flight options. Last updated on May 16, 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 May 16, 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 May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$277 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$310 | Average$452 | FlexibilityNo cancel fee | On-time63% |