$113+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Mar 18 — Mar 251
1 adult, Economy
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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
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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
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Best
Last-minute
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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 February 16, 2026.
Explore the most affordable flight options available from San Antonio to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Thu 3/56:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$223
This CheapOair deal was found by Cheapflights users on 2/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Thu 4/98:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Mon 3/21:52 pm
SAT
- CHS
1 stop17h 46m
Multiple Airlines
Fri 3/63:21 pm
CHS
- SAT
1 stop9h 38m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 3/98:53 pm
SAT
- CHS
1 stop10h 45m
Multiple Airlines
Tue 3/105:00 pm
CHS
- SAT
2 stops41h 27m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Tue 3/1010:26 am
SAT
- CHS
2 stops28h 39m
Spirit Airlines
Tue 3/178:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Sat 5/3010:26 am
SAT
- CHS
1 stop10h 23m
Multiple Airlines
Mon 6/13:21 pm
CHS
- SAT
1 stop7h 57m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 3/46:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Tue 3/105:00 pm
CHS
- SAT
2 stops41h 27m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$264
This Mytrip deal was found by Cheapflights users on 2/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:26 am
SAT
- CHS
3 stops28h 39m
Spirit Airlines
Thu 3/56:35 pm
CHS
- SAT
1 stop15h 55m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 3/46:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Mon 3/96:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$268
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 February 16, 2026.
Discover carefully curated flight deals from San Antonio to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Thu 3/56:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$223
This CheapOair deal was found by Cheapflights users on 2/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Thu 4/98:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Mon 3/21:52 pm
SAT
- CHS
1 stop17h 46m
Multiple Airlines
Fri 3/63:21 pm
CHS
- SAT
1 stop9h 38m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Tue 3/1010:26 am
SAT
- CHS
2 stops28h 39m
Spirit Airlines
Tue 3/178:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Sat 5/3010:26 am
SAT
- CHS
1 stop10h 23m
Multiple Airlines
Mon 6/13:21 pm
CHS
- SAT
1 stop7h 57m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$261
This CheapOair deal was found by Cheapflights users on 2/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Mon 3/238:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Tue 3/241:22 pm
SAT
- CHS
2 stops20h 47m
Spirit Airlines
Thu 3/268:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Thu 3/1910:22 am
SAT
- CHS
1 stop10h 51m
Multiple Airlines
Mon 3/238:28 pm
CHS
- SAT
2 stops37h 59m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Sat 5/3010:26 am
SAT
- CHS
1 stop10h 23m
Spirit Airlines
Mon 6/13:26 pm
CHS
- SAT
2 stops31h 52m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$298
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated February 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated February 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Thu 3/56:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Mon 3/21:52 pm
SAT
- CHS
1 stop17h 46m
Multiple Airlines
Fri 3/63:21 pm
CHS
- SAT
1 stop9h 38m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$252
This Mytrip deal was found by Cheapflights users on 2/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:26 am
SAT
- CHS
3 stops28h 39m
Spirit Airlines
Thu 3/56:35 pm
CHS
- SAT
1 stop15h 55m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 3/46:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Tue 3/105:00 pm
CHS
- SAT
2 stops41h 27m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 3/46:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Mon 3/96:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 3/98:53 pm
SAT
- CHS
1 stop10h 45m
Multiple Airlines
Tue 3/105:00 pm
CHS
- SAT
2 stops41h 27m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Tue 3/1010:26 am
SAT
- CHS
2 stops28h 39m
Spirit Airlines
Tue 3/178:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$257
This CheapOair deal was found by Cheapflights users on 2/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Mon 3/238:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
Tue 3/241:22 pm
SAT
- CHS
2 stops20h 47m
Spirit Airlines
Thu 3/268:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$273
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 February 16, 2026.
Search for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated February 16, 2026.
This CheapOair deal was found by Cheapflights users on 2/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$113
This Mytrip deal was found by Cheapflights users on 2/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/310:26 am
SAT
- CHS
3 stops28h 39m
Spirit Airlines
Deal found 2/13![Spirit Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:22 am
SAT
- CHS
2 stops27h 09m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:22 am
SAT
- CHS
3 stops21h 10m
Multiple Airlines
Deal found 2/14![Multiple Airlines logo]()
$146
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:11 pm
SAT
- CHS
1 stop6h 30m
American Airlines
Deal found 2/14![American Airlines logo]()
$168
This CheapOair deal was found by Cheapflights users on 2/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:26 am
SAT
- CHS
1 stop6h 14m
Spirit Airlines
Deal found 2/14![Spirit Airlines logo]()
$169
This CheapOair deal was found by Cheapflights users on 2/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:26 am
SAT
- CHS
1 stop6h 14m
Spirit Airlines
Deal found 2/15![Spirit Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:46 am
SAT
- CHS
2 stops11h 13m
United Airlines
Deal found 2/14![United Airlines logo]()
$185
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 February 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Kiwi.com) |
One-way from | $113 (CheapOair) |
Popular in | April |
Cheapest in | January |
Average price | $485 |
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 February 16, 2026.
Use the filters below to find and compare flights from San Antonio to Charleston that are best for you.
Fly from
San Antonio
Fly to
Charleston
Route
Depart
Return
Price
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Mon 3/2
6:00 am-8:38 am
1 stop25h 38m
Charleston
Thu 3/5
6:35 pm-9:30 am
1 stop15h 55m
$223
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Mon 4/6
10:22 am-10:13 pm
1 stop10h 51m
Charleston
Thu 4/9
8:07 am-9:27 am
1 stop26h 20m
$246
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Mon 3/2
1:52 pm-8:38 am
1 stop17h 46m
Charleston
Fri 3/6
3:21 pm-11:59 pm
1 stop9h 38m
$252
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Tue 3/10
10:26 am-4:05 pm
2 stops28h 39m
Charleston
Tue 3/17
8:07 am-9:27 am
1 stop26h 20m
$257
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 5/30
10:26 am-9:49 pm
1 stop10h 23m
Charleston
Mon 6/1
3:21 pm-10:18 pm
1 stop7h 57m
$261
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 3/19
10:22 am-10:13 pm
1 stop10h 51m
Charleston
Mon 3/23
8:07 am-9:27 am
1 stop26h 20m
$271
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Tue 3/24
1:22 pm-11:09 am
2 stops20h 47m
Charleston
Thu 3/26
8:07 am-9:27 am
1 stop26h 20m
$273
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sat 5/30
10:26 am-9:49 pm
1 stop10h 23m
Charleston
Mon 6/1
3:26 pm-10:18 pm
2 stops31h 52m
$298
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 3/19
10:22 am-10:13 pm
1 stop10h 51m
Charleston
Mon 3/23
8:28 pm-9:27 am
2 stops37h 59m
$303
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Mon 4/6
10:22 am-10:13 pm
1 stop10h 51m
$113
Showing 1-10 of 16 results
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 February.
| 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 | |
| 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?
Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Charleston. Price data was last updated on February 13, 2026.
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 9 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 $146). Flying from San Antonio to Charleston in July is currently the most expensive (average of $258). 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.
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 February 16, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United 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
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
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 February 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$306 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$310 | Average$461 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$328 | Average$419 | FlexibilityNo cancel fee | On-time69% |