$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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Charleston with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 San Antonio to Charleston
Cheapest
Best
Last-minute
One-way
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 August 17, 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 August 17, 2026.
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 10/179:37 am -
1 stop5h 24m
Tue 10/205:37 pm -
1 stop5h 24m
Deal found 8/13![American Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/1110:05 am -
1 stop21h 33m
Fri 9/183:27 pm -
2 stops28h 58m
Deal found 8/12![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/256:35 am -
1 stop6h 19m
Sat 10/35:05 pm -
1 stop6h 46m
Deal found 8/13![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 8/17. 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.
Mon 10/196:50 am -
1 stop7h 25m
Wed 10/215:30 am -
1 stop5h 13m
Deal found 8/17![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 8/17. 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 9/57:55 am -
1 stop6h 54m
Sat 9/126:00 am -
1 stop4h 47m
Deal found 8/17![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:12 pm -
1 stop4h 59m
Tue 9/1511:37 am -
2 stops10h 39m
Deal found 8/15![United Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/1410:05 am -
1 stop21h 33m
Tue 9/223:00 pm -
2 stops24h 20m
Deal found 8/16![Multiple Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 8/13. 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 9/257:20 am -
1 stop10h 15m
Sat 10/312:00 pm -
2 stops9h 35m
Deal found 8/13![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/114:12 pm -
1 stop4h 59m
Fri 9/184:58 pm -
1 stop6h 53m
Deal found 8/12![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 8/17. 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 9/166:35 am -
1 stop5h 32m
Fri 9/1811:13 am -
1 stop6h 48m
Deal found 8/17![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:40 am -
2 stops7h 30m
Thu 10/228:45 pm -
1 stop4h 55m
Deal found 8/16![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:55 pm -
2 stops8h 00m
Sat 10/241:15 pm -
2 stops8h 40m
Deal found 8/16![Southwest logo]()
$372
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 August 17, 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 August 17, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/256:35 am -
1 stop6h 19m
Sat 10/35:05 pm -
1 stop6h 46m
Deal found 8/13![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:21 pm -
1 stop6h 38m
Mon 9/146:52 pm -
1 stop6h 16m
Deal found 8/16![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 8/13. 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 9/257:20 am -
1 stop10h 15m
Sat 10/312:00 pm -
2 stops9h 35m
Deal found 8/13![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 8/17. 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.
Mon 10/196:50 am -
1 stop7h 25m
Wed 10/215:30 am -
1 stop5h 13m
Deal found 8/17![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:12 pm -
1 stop4h 59m
Tue 9/1511:37 am -
2 stops10h 39m
Deal found 8/15![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 8/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:40 am -
2 stops7h 30m
Thu 10/228:45 pm -
1 stop4h 55m
Deal found 8/16![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 8/17. 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 9/57:55 am -
1 stop6h 54m
Sat 9/126:00 am -
1 stop4h 47m
Deal found 8/17![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 10/179:58 am -
2 stops13h 01m
Tue 10/206:00 am -
1 stop6h 04m
Deal found 8/12![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:17 pm -
1 stop5h 04m
Sun 9/276:30 am -
1 stop6h 41m
Deal found 8/15![United Airlines logo]()
$388
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated August 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 9/24:53 pm -
2 stops20h 05m
Tue 9/83:13 pm -
1 stop18h 54m
Deal found 8/13![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 9/48:26 pm -
2 stops35h 12m
Sun 9/62:53 pm -
1 stop19h 03m
Deal found 8/14![Multiple Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:55 am -
1 stop6h 54m
Sat 9/126:00 am -
1 stop4h 47m
Deal found 8/16![Delta logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/1110:05 am -
1 stop21h 33m
Fri 9/183:27 pm -
2 stops28h 58m
Deal found 8/12![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:12 pm -
1 stop4h 59m
Tue 9/1511:37 am -
2 stops10h 39m
Deal found 8/15![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/114:12 pm -
1 stop4h 59m
Fri 9/184:58 pm -
1 stop6h 53m
Deal found 8/12![United Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/1410:05 am -
1 stop21h 33m
Tue 9/223:00 pm -
2 stops24h 20m
Deal found 8/16![Multiple Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 8/17. 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 9/166:35 am -
1 stop5h 32m
Fri 9/1811:13 am -
1 stop6h 48m
Deal found 8/17![Delta logo]()
$362
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Wed 9/236:30 am -
1 stop6h 28m
Sun 9/276:30 am -
1 stop6h 41m
Deal found 8/13![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/256:35 am -
1 stop6h 19m
Sat 10/35:05 pm -
1 stop6h 46m
Deal found 8/13![United Airlines logo]()
$320
This Southwest deal was found by Cheapflights users on 8/13. 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 9/257:20 am -
1 stop10h 15m
Sat 10/312:00 pm -
2 stops9h 35m
Deal found 8/13![Southwest logo]()
$347
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 August 17, 2026.
Search for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/17. 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 9/265:30 am -
1 stop4h 53m
Deal found 8/17![Delta logo]()
$170
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/2611:47 am -
2 stops8h 54m
Deal found 8/17![United Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 8/318:26 pm -
2 stops12h 11m
Deal found 8/17![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:26 pm -
2 stops18h 02m
Deal found 8/15![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 8/2811:30 am -
3 stops20h 18m
Deal found 8/13![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 8/2811:30 am -
2 stops26h 58m
Deal found 8/13![Breeze Airways logo]()
$211
This Southwest deal was found by Cheapflights users on 8/13. 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 12/111:10 pm -
2 stops6h 45m
Deal found 8/13![Southwest logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Thu 8/2710:24 pm -
2 stops33h 24m
Deal found 8/13![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 8/248:26 pm -
2 stops12h 11m
Deal found 8/13![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 8/268:26 pm -
2 stops11h 12m
Deal found 8/13![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 12/1112:38 pm -
3 stops29h 41m
Deal found 8/13![Breeze Airways logo]()
$243
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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (American Airlines) |
One-way from | $170 (American Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $377 |
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 August 17, 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 San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 9/25
6:35 am-1:54 pm
1 stop6h 19m
Charleston
Sat 10/3
5:05 pm-10:51 pm
1 stop6h 46m
$320
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Thu 9/10
4:21 pm-11:59 pm
1 stop6h 38m
Charleston
Mon 9/14
6:52 pm-12:08 am
1 stop6h 16m
$339
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Mon 10/19
6:50 am-3:15 pm
1 stop7h 25m
Charleston
Wed 10/21
5:30 am-9:43 am
1 stop5h 13m
$339
Quickest round-trip
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sat 9/5
7:55 am-3:49 pm
1 stop6h 54m
Charleston
Sat 9/12
6:00 am-9:47 am
1 stop4h 47m
$341
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 9/11
4:12 pm-10:11 pm
1 stop4h 59m
Charleston
Tue 9/15
11:37 am-9:16 pm
2 stops10h 39m
$344
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 9/25
7:20 am-6:35 pm
1 stop10h 15m
Charleston
Sat 10/3
12:00 pm-8:35 pm
2 stops9h 35m
$347
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Mon 10/19
7:40 am-4:10 pm
2 stops7h 30m
Charleston
Thu 10/22
8:45 pm-12:40 am
1 stop4h 55m
$367
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sat 10/17
9:58 am-11:59 pm
2 stops13h 01m
Charleston
Tue 10/20
6:00 am-11:04 am
1 stop6h 04m
$376
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sat 9/26
4:17 pm-10:21 pm
1 stop5h 04m
Charleston
Sun 9/27
6:30 am-12:11 pm
1 stop6h 41m
$388
Cheapest one-way
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sat 9/26
12:15 pm-6:56 pm
1 stop5h 41m
$170
Showing 1-10 of 19 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 August.
| 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
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?
Airfare is below average for this route at the moment.
San Antonio to Charleston flights typically cost between $353 and $606 in October.The cheapest round-trip price found within the last 5 days was $281 on American Airlines (Oct 17-Oct 20).
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 August 17, 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.
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
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
Mount Pleasant
Goose Creek
Edisto Beach
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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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$277 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$445 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$310 | Average$446 | FlexibilityNo cancel fee | On-time63% |