$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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Sep 30 — Oct 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 31, 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 31, 2026.
This Delta deal was found by Cheapflights users on 8/27. 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 10/175:30 am -
1 stop4h 34m
Tue 10/204:20 pm -
1 stop6h 28m
Deal found 8/27![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/99:30 am -
2 stops8h 40m
Sat 9/127:00 am -
1 stop4h 37m
Deal found 8/28![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 8/27. 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 10/178:35 am -
2 stops8h 20m
Thu 10/228:45 pm -
1 stop5h 00m
Deal found 8/27![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/262:00 pm -
1 stop6h 41m
Mon 9/284:58 pm -
1 stop6h 52m
Deal found 8/26![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 8/27. 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 11/1112:50 pm -
2 stops7h 45m
Sat 11/146:40 am -
2 stops7h 00m
Deal found 8/27![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 8/27. 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 11/124:32 pm -
1 stop6h 27m
Sun 11/155:34 pm -
1 stop7h 59m
Deal found 8/27![Delta logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 11/1310:13 am -
1 stop21h 25m
Tue 11/173:00 pm -
2 stops42h 45m
Deal found 8/28![Multiple Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 8/27. 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 10/611:55 am -
2 stops6h 40m
Sat 10/1012:00 pm -
2 stops9h 40m
Deal found 8/27![Southwest logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/3010:03 am -
1 stop21h 35m
Thu 10/12:13 pm -
1 stop19h 57m
Deal found 8/28![Multiple Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 8/28. 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 10/215:43 pm -
1 stop7h 50m
Deal found 8/28![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 8/27. 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 10/712:55 pm -
2 stops8h 05m
Fri 10/98:45 pm -
1 stop5h 00m
Deal found 8/27![Southwest logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/2510:05 am -
1 stop21h 33m
Tue 9/293:00 pm -
1 stop19h 07m
Deal found 8/29![Multiple Airlines logo]()
$419
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 31, 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 31, 2026.
This Delta deal was found by Cheapflights users on 8/26. 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 9/295:30 am -
1 stop6h 37m
Sat 10/32:32 pm -
1 stop5h 31m
Deal found 8/26![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 8/28. 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 11/612:00 pm -
1 stop7h 15m
Sun 11/85:30 am -
1 stop6h 20m
Deal found 8/28![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/26. 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 1/57:30 am -
2 stops9h 36m
Wed 1/66:05 am -
2 stops12h 28m
Deal found 8/26![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/26. 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 11/124:32 pm -
1 stop6h 27m
Sun 11/155:34 pm -
1 stop7h 59m
Deal found 8/26![Delta logo]()
$388
This Southwest deal was found by Cheapflights users on 8/29. 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 9/255:20 am -
2 stops14h 15m
Tue 9/298:10 am -
2 stops9h 40m
Deal found 8/29![Southwest logo]()
$460
This Delta deal was found by Cheapflights users on 8/28. 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 11/45:30 am -
1 stop6h 43m
Sun 11/85:30 am -
1 stop5h 13m
Deal found 8/28![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Mon 10/192:00 pm -
1 stop6h 33m
Wed 10/2111:05 am -
2 stops11h 26m
Deal found 8/27![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 8/26. 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 10/231:10 pm -
2 stops7h 20m
Sun 10/259:00 pm -
1 stop5h 00m
Deal found 8/26![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 8/27. 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 10/91:10 pm -
1 stop10h 10m
Mon 10/128:45 pm -
1 stop5h 00m
Deal found 8/27![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 8/28. 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 9/3011:30 am -
2 stops8h 45m
Thu 10/15:35 am -
2 stops7h 05m
Deal found 8/28![Southwest logo]()
$474
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated August 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/99:30 am -
2 stops8h 40m
Sat 9/127:00 am -
1 stop4h 37m
Deal found 8/28![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/30. 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.
Fri 9/116:10 pm -
1 stop4h 49m
Mon 9/145:35 pm -
1 stop4h 39m
Deal found 8/30![Delta logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/139:25 am -
2 stops22h 23m
Thu 9/172:13 pm -
1 stop19h 57m
Deal found 8/28![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/30. 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
Fri 9/183:27 pm -
2 stops28h 58m
Deal found 8/30![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/2510:05 am -
1 stop21h 33m
Tue 9/293:00 pm -
1 stop19h 07m
Deal found 8/29![Multiple Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/262:00 pm -
1 stop6h 41m
Mon 9/284:58 pm -
1 stop6h 52m
Deal found 8/26![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/27. 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 9/291:55 pm -
1 stop4h 18m
Sat 10/38:35 am -
1 stop5h 14m
Deal found 8/27![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/292:00 pm -
1 stop6h 33m
Sat 10/311:27 am -
2 stops11h 04m
Deal found 8/27![United Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/3010:03 am -
1 stop21h 35m
Thu 10/12:13 pm -
1 stop19h 57m
Deal found 8/28![Multiple Airlines logo]()
$402
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 31, 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 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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.
Mon 10/264:19 pm -
1 stop4h 40m
Deal found 8/27![United Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 8/26. 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 9/2211:30 am -
2 stops7h 20m
Deal found 8/26![Southwest logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/139:25 am -
2 stops22h 23m
Deal found 8/29![Breeze Airways logo]()
$188
This Southwest deal was found by Cheapflights users on 8/27. 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 10/221:10 pm -
1 stop10h 10m
Deal found 8/27![Southwest logo]()
$198
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/262:00 pm -
2 stops9h 15m
Deal found 8/27![United Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/163:19 pm -
2 stops16h 19m
Deal found 8/30![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/2610:34 pm -
2 stops33h 04m
Deal found 8/28![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/228:21 pm -
2 stops35h 17m
Deal found 8/27![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/262:47 pm -
3 stops31h 29m
Deal found 8/27![Multiple Airlines logo]()
$236
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 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (Delta) |
One-way from | $170 (United 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 7,457,451 searches. Data last updated August 31, 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
Tue 9/29
5:30 am-1:07 pm
1 stop6h 37m
Charleston
Sat 10/3
2:32 pm-7:03 pm
1 stop5h 31m
$339
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Thu 11/12
4:32 pm-11:59 pm
1 stop6h 27m
Charleston
Sun 11/15
5:34 pm-12:33 am
1 stop7h 59m
$388
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 11/6
12:00 pm-8:15 pm
1 stop7h 15m
Charleston
Sun 11/8
5:30 am-10:50 am
1 stop6h 20m
$411
Quickest round-trip
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Wed 11/4
5:30 am-1:13 pm
1 stop6h 43m
Charleston
Sun 11/8
5:30 am-9:43 am
1 stop5h 13m
$424
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Tue 1/5
7:30 am-6:06 pm
2 stops9h 36m
Charleston
Wed 1/6
6:05 am-5:33 pm
2 stops12h 28m
$439
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 9/25
5:20 am-8:35 pm
2 stops14h 15m
Charleston
Tue 9/29
8:10 am-4:50 pm
2 stops9h 40m
$460
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 10/23
1:10 pm-9:30 pm
2 stops7h 20m
Charleston
Sun 10/25
9:00 pm-1:00 am
1 stop5h 00m
$462
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Mon 10/19
2:00 pm-9:33 pm
1 stop6h 33m
Charleston
Wed 10/21
11:05 am-9:31 pm
2 stops11h 26m
$470
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 10/9
1:10 pm-12:20 am
1 stop10h 10m
Charleston
Mon 10/12
8:45 pm-12:45 am
1 stop5h 00m
$471
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Wed 9/30
11:30 am-9:15 pm
2 stops8h 45m
Charleston
Thu 10/1
5:35 am-11:40 am
2 stops7h 05m
$474
Showing 1-10 of 18 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 $370 and $497 in October.The cheapest round-trip price found within the last 5 days was $339 on Delta (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 31, 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.
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
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
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.
Alternative routes
Charleston flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Antonio
Popular flights
Alternative routes for San Antonio to Charleston
See prices for flight routes from nearby airports that may be better suited for you.
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 August 31, 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 August 31, 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 August 31, 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$303 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$314 | Average$452 | FlexibilityNo cancel fee | On-time63% |