$186+ 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
jul. 4 — jul. 111
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 junio 4, 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 junio 4, 2026.
This American Airlines deal was found by Cheapflights users on 5/31. 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.
mar. 9/227:10 am
SAT
- CHS
1 stop5h 26m
American Airlines
sáb. 9/266:23 am
CHS
- SAT
1 stop7h 44m
American Airlines
Deal found 5/31![American Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 5/31. 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.
mar. 9/226:36 am
SAT
- CHS
1 stop6h 22m
United Airlines
sáb. 9/268:00 am
CHS
- SAT
2 stops8h 48m
United Airlines
Deal found 5/31![United Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 5/31. 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.
sáb. 8/157:00 am
SAT
- CHS
1 stop6h 35m
United Airlines
jue. 8/205:45 am
CHS
- SAT
1 stop6h 14m
United Airlines
Deal found 5/31![United Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/811:04 am
SAT
- CHS
1 stop6h 57m
American Airlines
mar. 7/146:17 pm
CHS
- SAT
1 stop4h 59m
American Airlines
Deal found 5/30![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 5/31. 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.
lun. 8/104:18 pm
SAT
- CHS
1 stop4h 57m
United Airlines
jue. 8/137:00 am
CHS
- SAT
1 stop7h 29m
United Airlines
Deal found 5/31![United Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 6/2. 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.
mar. 6/235:30 am
SAT
- CHS
2 stops7h 50m
Southwest
mar. 6/303:00 pm
CHS
- SAT
1 stop7h 35m
Southwest
Deal found 6/2![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 6/1. 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.
lun. 8/317:00 am
SAT
- CHS
1 stop6h 35m
United Airlines
mié. 9/27:00 am
CHS
- SAT
1 stop4h 36m
United Airlines
Deal found 6/1![United Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/139:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
vie. 7/179:44 pm
CHS
- SAT
2 stops19h 29m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1910:12 am
SAT
- CHS
1 stop6h 17m
American Airlines
mié. 10/215:33 am
CHS
- SAT
1 stop4h 33m
American Airlines
Deal found 6/3![American Airlines logo]()
$392
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 junio 4, 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 junio 4, 2026.
This United Airlines deal was found by Cheapflights users on 5/31. 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.
mar. 9/226:36 am
SAT
- CHS
1 stop6h 22m
United Airlines
sáb. 9/268:00 am
CHS
- SAT
2 stops8h 48m
United Airlines
Deal found 5/31![United Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 6/2. 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.
mar. 6/237:25 am
SAT
- CHS
2 stops7h 45m
Southwest
mar. 6/303:00 pm
CHS
- SAT
2 stops9h 40m
Southwest
Deal found 6/2![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 5/30. 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.
sáb. 10/38:00 am
SAT
- CHS
1 stop4h 25m
Delta
dom. 10/115:30 am
CHS
- SAT
1 stop5h 24m
Delta
Deal found 5/30![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 6/1. 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.
lun. 8/311:00 pm
SAT
- CHS
1 stop9h 59m
United Airlines
mié. 9/211:10 am
CHS
- SAT
2 stops11h 06m
United Airlines
Deal found 6/1![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 6/3. 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.
mar. 8/119:20 am
SAT
- CHS
2 stops9h 25m
Southwest
sáb. 8/151:20 pm
CHS
- SAT
2 stops8h 30m
Southwest
Deal found 6/3![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 6/3. 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.
mié. 8/199:20 am
SAT
- CHS
2 stops8h 55m
Southwest
sáb. 8/226:45 am
CHS
- SAT
2 stops8h 05m
Southwest
Deal found 6/3![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 6/2. 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.
jue. 8/132:15 pm
SAT
- CHS
1 stop6h 56m
United Airlines
vie. 8/145:45 am
CHS
- SAT
1 stop6h 14m
United Airlines
Deal found 6/2![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 6/1. 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.
jue. 10/111:45 am
SAT
- CHS
1 stop6h 00m
Southwest
dom. 10/46:30 pm
CHS
- SAT
1 stop6h 10m
Southwest
Deal found 6/1![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 6/2. 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.
vie. 7/179:45 am
SAT
- CHS
2 stops9h 55m
Southwest
dom. 7/198:05 pm
CHS
- SAT
1 stop6h 10m
Southwest
Deal found 6/2![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 6/2. 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.
sáb. 10/36:20 am
SAT
- CHS
2 stops7h 30m
Southwest
dom. 10/116:30 pm
CHS
- SAT
1 stop6h 10m
Southwest
Deal found 6/2![Southwest logo]()
$465
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated junio 4, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated junio 4, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/2. 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.
mar. 6/235:30 am
SAT
- CHS
2 stops7h 50m
Southwest
mar. 6/303:00 pm
CHS
- SAT
1 stop7h 35m
Southwest
Deal found 6/2![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 6/2. 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.
mié. 6/242:00 pm
SAT
- CHS
1 stop6h 25m
Southwest
lun. 6/299:20 pm
CHS
- SAT
1 stop4h 40m
Southwest
Deal found 6/2![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 6/1. 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.
dom. 6/283:25 pm
SAT
- CHS
1 stop6h 25m
Southwest
mié. 7/810:45 am
CHS
- SAT
2 stops9h 35m
Southwest
Deal found 6/1![Southwest logo]()
$423
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/57:00 am
SAT
- CHS
1 stop6h 50m
American Airlines
mar. 7/73:12 pm
CHS
- SAT
1 stop8h 04m
American Airlines
Deal found 6/2![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/2. 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.
dom. 7/51:05 pm
SAT
- CHS
1 stop7h 45m
Southwest
mar. 7/143:00 pm
CHS
- SAT
2 stops9h 45m
Southwest
Deal found 6/2![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 6/2. 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.
dom. 7/55:20 am
SAT
- CHS
2 stops8h 25m
Southwest
mar. 7/78:15 pm
CHS
- SAT
1 stop4h 40m
Southwest
Deal found 6/2![Southwest logo]()
$424
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/811:04 am
SAT
- CHS
1 stop6h 57m
American Airlines
mar. 7/146:17 pm
CHS
- SAT
1 stop4h 59m
American Airlines
Deal found 5/30![American Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/107:00 am
SAT
- CHS
1 stop6h 50m
American Airlines
dom. 7/123:42 pm
CHS
- SAT
1 stop7h 18m
American Airlines
Deal found 6/2![American Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/139:51 am
SAT
- CHS
1 stop21h 47m
Multiple Airlines
vie. 7/179:44 pm
CHS
- SAT
2 stops19h 29m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 6/2. 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.
lun. 7/1311:25 am
SAT
- CHS
1 stop6h 30m
Southwest
vie. 7/177:15 am
CHS
- SAT
1 stop5h 35m
Southwest
Deal found 6/2![Southwest logo]()
$422
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 junio 4, 2026.
Search for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated junio 4, 2026.
This American Airlines deal was found by Cheapflights users on 6/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/245:52 pm
SAT
- CHS
1 stop4h 55m
American Airlines
Deal found 6/3![American Airlines logo]()
$186
This Southwest deal was found by Cheapflights users on 6/2. 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.
mar. 6/307:25 am
SAT
- CHS
2 stops7h 45m
Southwest
Deal found 6/2![Southwest logo]()
$191
This Southwest deal was found by Cheapflights users on 5/31. 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.
vie. 9/112:15 pm
SAT
- CHS
1 stop6h 10m
Southwest
Deal found 5/31![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
vie. 9/1112:38 pm
SAT
- CHS
2 stops23h 46m
Breeze Airways
Deal found 5/31![Breeze Airways logo]()
$205
This United Airlines deal was found by Cheapflights users on 6/2. 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.
sáb. 10/101:54 pm
SAT
- CHS
1 stop6h 10m
United Airlines
Deal found 6/2![United Airlines logo]()
$207
This deal was found by Cheapflights users on 6/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/244:18 pm
SAT
- CHS
1 stop4h 57m
United Airlines
Deal found 6/1![United Airlines logo]()
$231
This Southwest deal was found by Cheapflights users on 6/3. 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.
mié. 6/245:30 am
SAT
- CHS
2 stops7h 50m
Southwest
Deal found 6/3![Southwest logo]()
$239
This American Airlines deal was found by Cheapflights users on 6/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/1712:24 pm
SAT
- CHS
1 stop5h 04m
American Airlines
Deal found 6/3![American Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 5/30. 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.
vie. 6/1211:30 am
SAT
- CHS
2 stops26h 58m
Breeze Airways
Deal found 5/30![Breeze Airways logo]()
$255
This Southwest deal was found by Cheapflights users on 6/3. 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.
mié. 6/177:25 am
SAT
- CHS
2 stops7h 45m
Southwest
Deal found 6/3![Southwest logo]()
$259
This Southwest deal was found by Cheapflights users on 6/3. 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.
vie. 6/1911:45 am
SAT
- CHS
2 stops8h 50m
Southwest
Deal found 6/3![Southwest logo]()
$269
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 junio 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $296 (American Airlines) |
One-way from | $186 (American Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $438 |
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 junio 4, 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
mar. 9/22
6:36 am-1:58 pm
1 stop6h 22m
Charleston
sáb. 9/26
8:00 am-3:48 pm
2 stops8h 48m
$301
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
mar. 6/23
7:25 am-4:10 pm
2 stops7h 45m
Charleston
mar. 6/30
3:00 pm-11:40 pm
2 stops9h 40m
$381
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
lun. 8/31
1:00 pm-11:59 pm
1 stop9h 59m
Charleston
mié. 9/2
11:10 am-9:16 pm
2 stops11h 06m
$391
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
mar. 8/11
9:20 am-7:45 pm
2 stops9h 25m
Charleston
sáb. 8/15
1:20 pm-8:50 pm
2 stops8h 30m
$402
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
mié. 8/19
9:20 am-7:15 pm
2 stops8h 55m
Charleston
sáb. 8/22
6:45 am-1:50 pm
2 stops8h 05m
$402
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
jue. 8/13
2:15 pm-10:11 pm
1 stop6h 56m
Charleston
vie. 8/14
5:45 am-10:59 am
1 stop6h 14m
$415
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
jue. 10/1
11:45 am-6:45 pm
1 stop6h 00m
Charleston
dom. 10/4
6:30 pm-11:40 pm
1 stop6h 10m
$420
Quickest round-trip
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
sáb. 10/3
8:00 am-1:25 pm
1 stop4h 25m
Charleston
dom. 10/11
5:30 am-9:54 am
1 stop5h 24m
$438
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
vie. 7/17
9:45 am-8:40 pm
2 stops9h 55m
Charleston
dom. 7/19
8:05 pm-1:15 am
1 stop6h 10m
$452
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
sáb. 10/3
6:20 am-2:50 pm
2 stops7h 30m
Charleston
dom. 10/11
6:30 pm-11:40 pm
1 stop6h 10m
$465
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 June.
| 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 junio 4, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Goose Creek
Edisto Beach
Browse thousands of different options on Cheapflights for your next trip
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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 junio 4, 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 junio 4, 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 junio 4, 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 junio 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$424 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$310 | Average$426 | FlexibilityNo cancel fee | On-time63% |