$210+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Aug 5 — Aug 121
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 6, 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 6, 2026.
This Delta deal was found by Cheapflights users on 7/1. 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 7/1![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/215:30 am
SAT
- CHS
2 stops8h 30m
United Airlines
Sat 10/247:00 am
CHS
- SAT
1 stop4h 43m
United Airlines
Deal found 7/2![United Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/1![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/134:12 pm
SAT
- CHS
1 stop4h 59m
United Airlines
Sat 8/156:30 am
CHS
- SAT
2 stops10h 13m
United Airlines
Deal found 7/1![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/1. 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 9/512:36 pm
SAT
- CHS
2 stops6h 22m
American Airlines
Sat 9/125:31 pm
CHS
- SAT
1 stop5h 07m
American Airlines
Deal found 7/1![American Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 7/1. 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 8/105:20 am
SAT
- CHS
1 stop5h 34m
Delta
Thu 8/131:01 pm
CHS
- SAT
1 stop4h 38m
Delta
Deal found 7/1![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 7/4. 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 9/37:55 am
SAT
- CHS
1 stop7h 05m
Delta
Sat 9/51:13 pm
CHS
- SAT
1 stop4h 26m
Delta
Deal found 7/4![Delta logo]()
$380
This Delta deal was found by Cheapflights users on 7/2. 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 9/218:00 am
SAT
- CHS
1 stop7h 28m
Delta
Fri 9/2511:11 am
CHS
- SAT
1 stop6h 52m
Delta
Deal found 7/2![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 7/2. 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 8/2012:20 pm
SAT
- CHS
2 stops8h 05m
Southwest
Sun 8/236:30 am
CHS
- SAT
1 stop5h 20m
Southwest
Deal found 7/2![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 7/2. 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 10/217:30 am
SAT
- CHS
2 stops8h 10m
Southwest
Sat 10/246:15 am
CHS
- SAT
2 stops8h 25m
Southwest
Deal found 7/2![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 7/3. 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 10/17:40 am
SAT
- CHS
2 stops7h 30m
Southwest
Mon 10/54:45 pm
CHS
- SAT
2 stops8h 20m
Southwest
Deal found 7/3![Southwest logo]()
$411
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 6, 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 6, 2026.
This Delta deal was found by Cheapflights users on 7/1. 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 7/1![Delta logo]()
$333
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/134:12 pm
SAT
- CHS
1 stop4h 59m
United Airlines
Sat 8/156:30 am
CHS
- SAT
2 stops10h 13m
United Airlines
Deal found 7/1![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/3. 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 10/11:10 pm
SAT
- CHS
2 stops7h 20m
Southwest
Mon 10/56:35 am
CHS
- SAT
1 stop5h 10m
Southwest
Deal found 7/3![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 7/1. 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 8/135:35 am
SAT
- CHS
2 stops13h 55m
Southwest
Sat 8/151:20 pm
CHS
- SAT
2 stops8h 30m
Southwest
Deal found 7/1![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/11:00 pm
SAT
- CHS
1 stop9h 59m
United Airlines
Wed 9/22:54 pm
CHS
- SAT
1 stop6h 44m
United Airlines
Deal found 7/2![United Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 7/4. 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 8/105:20 am
SAT
- CHS
1 stop5h 34m
Delta
Thu 8/131:01 pm
CHS
- SAT
1 stop4h 38m
Delta
Deal found 7/4![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 7/5. 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
SAT
- CHS
1 stop7h 15m
Southwest
Sun 11/85:30 am
CHS
- SAT
1 stop6h 20m
Southwest
Deal found 7/5![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/1. 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
SAT
- CHS
2 stops13h 01m
United Airlines
Tue 10/206:00 am
CHS
- SAT
1 stop6h 04m
United Airlines
Deal found 7/1![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 7/6. 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 8/119:25 am
SAT
- CHS
2 stops8h 50m
Southwest
Tue 8/1810:45 am
CHS
- SAT
1 stop7h 05m
Southwest
Deal found 7/6![Southwest logo]()
$432
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated July 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/209:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
Mon 8/103:23 pm
CHS
- SAT
2 stops28h 31m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 7/1. 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 7/311:50 pm
SAT
- CHS
1 stop6h 50m
Southwest
Sun 8/28:05 pm
CHS
- SAT
1 stop6h 10m
Southwest
Deal found 7/1![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 7/4. 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 8/12:35 pm
SAT
- CHS
1 stop5h 07m
Delta
Sat 8/83:00 pm
CHS
- SAT
1 stop4h 46m
Delta
Deal found 7/4![Delta logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/39:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
Sat 8/88:56 pm
CHS
- SAT
2 stops22h 58m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 7/1. 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 8/105:20 am
SAT
- CHS
1 stop5h 34m
Delta
Thu 8/131:01 pm
CHS
- SAT
1 stop4h 38m
Delta
Deal found 7/1![Delta logo]()
$375
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/105:00 am
SAT
- CHS
2 stops7h 16m
American Airlines
Thu 8/133:35 pm
CHS
- SAT
1 stop5h 02m
American Airlines
Deal found 7/1![American Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 7/6. 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 8/119:25 am
SAT
- CHS
2 stops8h 50m
Southwest
Tue 8/1810:45 am
CHS
- SAT
1 stop7h 05m
Southwest
Deal found 7/6![Southwest logo]()
$432
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/137:00 am
SAT
- CHS
1 stop5h 16m
American Airlines
Sat 8/156:15 am
CHS
- SAT
1 stop6h 17m
American Airlines
Deal found 7/1![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/134:12 pm
SAT
- CHS
1 stop4h 59m
United Airlines
Sat 8/156:30 am
CHS
- SAT
2 stops10h 13m
United Airlines
Deal found 7/1![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 7/1. 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 8/135:35 am
SAT
- CHS
2 stops13h 55m
Southwest
Sat 8/151:20 pm
CHS
- SAT
2 stops8h 30m
Southwest
Deal found 7/1![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 7/2. 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 8/2011:10 am
SAT
- CHS
1 stop5h 15m
Southwest
Sun 8/232:45 pm
CHS
- SAT
1 stop7h 55m
Southwest
Deal found 7/2![Southwest logo]()
$401
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 6, 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 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/217:39 pm
SAT
- CHS
2 stops12h 29m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/2011:30 am
SAT
- CHS
2 stops29h 44m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/229:32 pm
SAT
- CHS
2 stops58h 16m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/199:32 pm
SAT
- CHS
2 stops34h 06m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/237:39 pm
SAT
- CHS
2 stops36h 09m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/254:53 pm
SAT
- CHS
2 stops20h 05m
Breeze Airways
Deal found 7/5![Breeze Airways logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/247:39 pm
SAT
- CHS
2 stops35h 59m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/254:53 pm
SAT
- CHS
3 stops26h 17m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 7/5. 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.
Sun 7/195:20 am
SAT
- CHS
1 stop7h 22m
Delta
Deal found 7/5![Delta logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/157:39 pm
SAT
- CHS
2 stops11h 59m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$259
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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Delta) |
One-way from | $210 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $423 |
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 6, 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 10/17
6:45 am-3:15 pm
1 stop7h 30m
Charleston
Tue 10/20
5:30 am-9:43 am
1 stop5h 13m
$333
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 8/13
4:12 pm-10:11 pm
1 stop4h 59m
Charleston
Sat 8/15
6:30 am-3:43 pm
2 stops10h 13m
$359
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 10/1
1:10 pm-9:30 pm
2 stops7h 20m
Charleston
Mon 10/5
6:35 am-10:45 am
1 stop5h 10m
$406
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 8/13
5:35 am-8:30 pm
2 stops13h 55m
Charleston
Sat 8/15
1:20 pm-8:50 pm
2 stops8h 30m
$415
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Tue 9/1
1:00 pm-11:59 pm
1 stop9h 59m
Charleston
Wed 9/2
2:54 pm-8:38 pm
1 stop6h 44m
$423
Quickest round-trip
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Mon 8/10
5:20 am-11:54 am
1 stop5h 34m
Charleston
Thu 8/13
1:01 pm-4:39 pm
1 stop4h 38m
$427
San AntonioCharleston
SAT - CHS
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
$427
San AntonioCharleston
SAT - CHS
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
$428
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Tue 8/11
9:25 am-7:15 pm
2 stops8h 50m
Charleston
Tue 8/18
10:45 am-4:50 pm
1 stop7h 05m
$432
Cheapest one-way
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sun 11/8
7:00 am-2:13 pm
1 stop6h 13m
$214
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
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 6, 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.
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
7.9
Crew
8.6
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
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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 6, 2026.
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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 July 6, 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 6, 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 6, 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% |