$107+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SAT
Jan 11 — Jan 181
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 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 December 12, 2025.
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 December 12, 2025.
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/244:13 pmCHS - SAT
1 stop4h 55mAmerican Airlines
Wed 12/315:00 amSAT - CHS
1 stop6h 06mAmerican Airlines
Deal found 12/11![American Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/119:49 pmCHS - SAT
1 stop26h 37mSpirit Airlines
Sun 12/1412:37 pmSAT - CHS
2 stops31h 17mSpirit Airlines
Deal found 12/11![Spirit Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/1910:18 pmCHS - SAT
1 stop26h 08mMultiple Airlines
Sat 1/312:45 pmSAT - CHS
1 stop18h 52mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$411
This Mytrip deal was found by Cheapflights users on 12/11. 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.
Fri 12/129:49 pmCHS - SAT
2 stops17h 26mSpirit Airlines
Sun 12/141:55 pmSAT - CHS
1 stop5h 59mSpirit Airlines
Deal found 12/11![Spirit Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:05 pmCHS - SAT
1 stop5h 33mDelta
Sun 12/286:22 pmSAT - CHS
1 stop4h 36mDelta
Deal found 12/11![Delta logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/2110:18 pmCHS - SAT
1 stop26h 08mMultiple Airlines
Fri 12/267:11 pmSAT - CHS
2 stops49h 12mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/256:30 amCHS - SAT
1 stop7h 41mUnited Airlines
Mon 12/292:13 pmSAT - CHS
1 stop6h 44mUnited Airlines
Deal found 12/10![United Airlines logo]()
$519
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 December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $153 (Mytrip) |
One-way from | $107 (Mytrip) |
Popular in | December |
Cheapest in | September |
Average price | $600 |
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 December 12, 2025.
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
Sun 2/1
6:35 pm-9:40 am
1 stop16h 05m
San Antonio
Wed 2/4
6:30 am-8:38 am
1 stop25h 08m
$199
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Sun 2/1
6:35 pm-9:40 am
1 stop16h 05m
San Antonio
Mon 2/2
6:13 pm-8:38 am
2 stops13h 25m
$209
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Fri 1/9
6:35 pm-9:40 am
1 stop16h 05m
San Antonio
Fri 1/16
10:35 am-8:38 am
2 stops45h 03m
$211
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Tue 2/3
3:01 pm-11:52 pm
1 stop9h 51m
San Antonio
Sat 2/7
6:30 am-8:38 am
1 stop25h 08m
$221
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Mon 2/2
3:21 pm-11:52 pm
1 stop9h 31m
San Antonio
Fri 2/6
6:13 pm-5:36 pm
2 stops22h 23m
$253
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Mon 1/5
10:18 pm-5:37 am
3 stops32h 19m
San Antonio
Thu 1/8
10:35 am-5:36 pm
1 stop6h 01m
$266
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Fri 1/9
6:35 pm-11:52 pm
3 stops30h 17m
San Antonio
Thu 1/15
10:35 am-4:10 pm
3 stops28h 35m
$299
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Wed 3/25
7:00 am-9:22 am
1 stop27h 22m
San Antonio
Mon 4/6
6:30 am-8:38 am
1 stop25h 08m
$314
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Sat 2/7
6:30 am-10:21 am
1 stop4h 51m
San Antonio
Sat 2/7
6:17 pm-11:55 pm
1 stop4h 38m
$335
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Thu 2/5
5:18 pm-10:28 pm
1 stop6h 10m
San Antonio
Mon 2/9
12:55 pm-10:22 pm
1 stop8h 27m
$335
Showing 1-10 of 19 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 December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-San Antonio flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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
What is the cheapest month to book a flight from Charleston to San Antonio?
Currently, May is the cheapest month in which you can book a flight from Charleston to San Antonio (average of $168). Flying from Charleston to San Antonio in February is currently the most expensive (average of $272). 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.
What is the cheapest time of day to fly from CHS to SAT?
Find hourly flight availability from Charleston to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.
It’s typically best to fly out from Charleston to San Antonio at noon. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.
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 December 12, 2025.
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.
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
7.9
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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$294 | Average$440 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$300 | Average$420 | FlexibilityNo cancel fee | On-time71% |