$90+ Cheap flights from Charleston to San Antonio (CHS - SAT)
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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SAT
Feb 25 — Mar 41
1 adult, Economy
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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 Charleston to San Antonio
Cheapest flights from Charleston to San AntonioExplore the most affordable flight options available from Charleston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.
Explore the most affordable flight options available from Charleston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 3/318:07 am
CHS
- SAT
1 stop26h 25m
Spirit Airlines
Sat 4/410:27 am
SAT
- CHS
1 stop11h 06m
Spirit Airlines
Deal found 1/25![Spirit Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/236:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Wed 2/256:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Deal found 1/25![Multiple Airlines logo]()
$205
This CheapOair deal was found by Cheapflights users on 1/24. 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 2/166:35 pm
CHS
- SAT
1 stop15h 55m
Spirit Airlines
Thu 2/1910:26 am
SAT
- CHS
1 stop6h 14m
Spirit Airlines
Deal found 1/24![Spirit Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/75:05 pm
CHS
- SAT
2 stops24h 58m
Multiple Airlines
Sat 2/1410:26 am
SAT
- CHS
1 stop6h 14m
Multiple Airlines
Deal found 1/24![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/136:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Sat 2/141:57 pm
SAT
- CHS
1 stop17h 41m
Multiple Airlines
Deal found 1/24![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/75:05 pm
CHS
- SAT
2 stops24h 58m
Multiple Airlines
Mon 2/166:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Deal found 1/24![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/126:35 pm
CHS
- SAT
2 stops22h 40m
Multiple Airlines
Sat 2/1410:26 am
SAT
- CHS
1 stop6h 14m
Multiple Airlines
Deal found 1/24![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/136:35 pm
CHS
- SAT
1 stop15h 55m
Multiple Airlines
Mon 2/166:00 am
SAT
- CHS
1 stop25h 38m
Multiple Airlines
Deal found 1/24![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/75:05 pm
CHS
- SAT
2 stops24h 58m
Multiple Airlines
Thu 2/1910:26 am
SAT
- CHS
1 stop6h 14m
Multiple Airlines
Deal found 1/24![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/76:35 pm
CHS
- SAT
1 stop15h 55m
Spirit Airlines
Sat 2/1410:26 am
SAT
- CHS
1 stop6h 14m
Spirit Airlines
Deal found 1/24![Spirit Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 1/24. 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.
Fri 2/136:35 pm
CHS
- SAT
1 stop15h 55m
Spirit Airlines
Sun 2/1510:26 am
SAT
- CHS
1 stop6h 14m
Spirit Airlines
Deal found 1/24![Spirit Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 2/136:35 pm
CHS
- SAT
1 stop15h 55m
Spirit Airlines
Tue 2/1710:26 am
SAT
- CHS
2 stops28h 29m
Spirit Airlines
Deal found 1/24![Spirit Airlines logo]()
$240
Find flight deals from Charleston to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to San Antonio (SAT). 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 January 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $202 (Kiwi.com) |
One-way from | $90 (Mytrip) |
Popular in | January |
Cheapest in | September |
Average price | $514 |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston to San Antonio 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 January 26, 2026.
Use the filters below to find and compare flights from Charleston to San Antonio that are best for you.
Fly from
Charleston
Fly to
San Antonio
Route
Depart
Return
Price
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Mon 2/16
6:35 pm-9:30 am
1 stop15h 55m
San Antonio
Thu 2/19
10:26 am-5:40 pm
1 stop6h 14m
$208
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Mon 3/2
6:35 pm-9:30 am
1 stop15h 55m
San Antonio
Thu 3/5
10:26 am-5:40 pm
1 stop6h 14m
$208
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Fri 2/13
6:35 pm-9:30 am
1 stop15h 55m
San Antonio
Sun 2/15
10:26 am-5:40 pm
1 stop6h 14m
$238
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Sat 2/7
5:05 pm-5:03 pm
2 stops24h 58m
San Antonio
Sun 2/15
10:26 am-5:40 pm
1 stop6h 14m
$252
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Mon 2/23
6:35 pm-9:30 am
1 stop15h 55m
San Antonio
Wed 2/25
6:12 pm-8:38 am
2 stops13h 26m
$256
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Sat 3/28
8:07 am-9:32 am
1 stop26h 25m
San Antonio
Tue 3/31
10:27 am-10:33 pm
1 stop11h 06m
$260
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Sat 3/28
8:07 am-9:32 am
1 stop26h 25m
San Antonio
Tue 4/7
10:27 am-10:33 pm
1 stop11h 06m
$260
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Tue 2/17
3:01 pm-11:59 pm
1 stop9h 58m
San Antonio
Thu 2/19
10:26 am-5:40 pm
1 stop6h 14m
$268
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Thu 2/12
6:35 pm-4:15 pm
2 stops22h 40m
San Antonio
Fri 2/20
10:26 am-5:40 pm
1 stop6h 14m
$272
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Tue 2/17
5:00 pm-11:59 pm
2 stops31h 59m
San Antonio
Thu 2/19
10:26 am-5:40 pm
1 stop6h 14m
$275
Showing 1-10 of 17 results
Compare providers for flights from Charleston to San Antonio
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 Charleston to San Antonio in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Charleston-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Charleston-San Antonio flights, Cheapflights users trust Expedia the most. Expedia 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 Charleston-San Antonio 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 Charleston to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Charleston with our price prediction graph.
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 Charleston to San Antonio
How far ahead should I book a flight from Charleston to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Charleston to San Antonio. Price data was last updated on January 23, 2026.
The best time to book flights from Charleston to San Antonio is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Charleston to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Charleston to San Antonio (average of $135). Flying from Charleston to San Antonio in June is currently the most expensive (average of $249). 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 San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated January 26, 2026.
See what other customers who have flown with Southwest, Delta, and American Airlines from Charleston to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Charleston to San Antonio. 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 San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Alternative routes for Charleston to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Charleston to San Antonio
Discover the top 3 airlines that operate flights from Charleston to San Antonio. 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 January 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$446 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$426 | FlexibilityNo cancel fee | On-time71% |