$126+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SAT
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from Charleston to San Antonio with Cheapflights
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
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Best
Last-minute
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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 March 10, 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 March 10, 2026.
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Tue 3/3110:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$226
This CheapOair deal was found by Cheapflights users on 3/7. 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.
Sun 3/298:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Wed 4/110:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/108:07 am
CHS
- SAT
1 stop26h 20m
Multiple Airlines
Mon 4/131:22 pm
SAT
- CHS
1 stop18h 16m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Thu 3/268:07 am
CHS
- SAT
1 stop26h 20m
Multiple Airlines
Sat 3/281:22 pm
SAT
- CHS
1 stop18h 16m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Mon 3/308:07 am
CHS
- SAT
1 stop26h 20m
Multiple Airlines
Fri 4/310:22 am
SAT
- CHS
2 stops10h 31m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$282
Best flights from Charleston to San AntonioDiscover carefully curated flight deals from Charleston to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Charleston to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/108:07 am
CHS
- SAT
1 stop26h 20m
Multiple Airlines
Mon 4/131:22 pm
SAT
- CHS
1 stop18h 16m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 3/7. 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 4/226:40 am
CHS
- SAT
1 stop5h 00m
Southwest
Sat 4/2511:45 am
SAT
- CHS
2 stops8h 15m
Southwest
Deal found 3/7![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:08 pm
CHS
- SAT
1 stop8h 46m
United Airlines
Tue 6/231:40 pm
SAT
- CHS
1 stop7h 08m
United Airlines
Deal found 3/5![United Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:15 am
CHS
- SAT
1 stop6h 48m
Delta
Tue 5/265:25 am
SAT
- CHS
1 stop5h 45m
Delta
Deal found 3/6![Delta logo]()
$425
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:00 am
CHS
- SAT
2 stops7h 50m
Southwest
Sun 5/35:50 am
SAT
- CHS
1 stop4h 20m
Southwest
Deal found 3/10![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 3/9. 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 5/136:35 am
CHS
- SAT
1 stop7h 41m
United Airlines
Sat 5/169:50 am
SAT
- CHS
1 stop5h 21m
United Airlines
Deal found 3/9![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 3/7. 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 4/102:15 pm
CHS
- SAT
2 stops9h 45m
Southwest
Mon 4/139:55 am
SAT
- CHS
2 stops7h 25m
Southwest
Deal found 3/7![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:15 pm
CHS
- SAT
2 stops9h 45m
Southwest
Sun 4/266:10 am
SAT
- CHS
2 stops7h 15m
Southwest
Deal found 3/10![Southwest logo]()
$437
Last-minute flights from Charleston to San AntonioDiscover last-minute flight deals from Charleston to San Antonio. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to San Antonio. Data last updated March 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Thu 3/268:07 am
CHS
- SAT
1 stop26h 20m
Multiple Airlines
Sat 3/281:22 pm
SAT
- CHS
1 stop18h 16m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$275
This CheapOair deal was found by Cheapflights users on 3/7. 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 3/268:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Sat 3/2810:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$290
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Tue 3/3110:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$226
This CheapOair deal was found by Cheapflights users on 3/7. 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.
Sun 3/298:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Wed 4/110:22 am
SAT
- CHS
1 stop10h 51m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/108:07 am
CHS
- SAT
1 stop26h 20m
Multiple Airlines
Mon 4/131:22 pm
SAT
- CHS
1 stop18h 16m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/143:01 pm
CHS
- SAT
1 stop23h 16m
Multiple Airlines
Sat 4/186:30 pm
SAT
- CHS
1 stop13h 08m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$302
One-way flights from Charleston to San AntonioSearch for one-way flight options from Charleston to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Charleston to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This CheapOair deal was found by Cheapflights users on 3/9. 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.
Wed 4/88:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/263:13 pm
CHS
- SAT
1 stop23h 04m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 3/278:28 pm
CHS
- SAT
2 stops37h 59m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 3/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:45 pm
CHS
- SAT
1 stop5h 10m
American Airlines
Deal found 3/6![American Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 3/9. 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 5/266:40 am
CHS
- SAT
2 stops6h 30m
Southwest
Deal found 3/9![Southwest logo]()
$208
This CheapOair deal was found by Cheapflights users on 3/8. 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 3/278:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 3/8. 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 4/25:27 am
CHS
- SAT
1 stop5h 28m
Delta
Deal found 3/8![Delta logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/178:07 am
CHS
- SAT
1 stop26h 20m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/1712:04 pm
CHS
- SAT
3 stops37h 13m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$224
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (CheapOair) |
One-way from | $126 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $374 |
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 March 10, 2026.
Use the filters below to find and compare flights from Charleston to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Fri 4/10
8:07 am-9:27 am
1 stop26h 20m
San Antonio
Mon 4/13
1:22 pm-8:38 am
1 stop18h 16m
$258
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Wed 4/22
6:40 am-10:40 am
1 stop5h 00m
San Antonio
Sat 4/25
11:45 am-9:00 pm
2 stops8h 15m
$362
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Wed 5/27
3:08 pm-10:54 pm
1 stop8h 46m
San Antonio
Tue 6/23
1:40 pm-9:48 pm
1 stop7h 08m
$396
Quickest round-trip
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Sat 4/25
8:00 am-2:50 pm
2 stops7h 50m
San Antonio
Sun 5/3
5:50 am-11:10 am
1 stop4h 20m
$407
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Fri 4/10
2:15 pm-11:00 pm
2 stops9h 45m
San Antonio
Mon 4/13
9:55 am-6:20 pm
2 stops7h 25m
$417
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Fri 5/22
5:15 am-11:03 am
1 stop6h 48m
San Antonio
Tue 5/26
5:25 am-12:10 pm
1 stop5h 45m
$425
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Wed 5/13
6:35 am-1:16 pm
1 stop7h 41m
San Antonio
Sat 5/16
9:50 am-4:11 pm
1 stop5h 21m
$436
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Fri 4/24
2:15 pm-11:00 pm
2 stops9h 45m
San Antonio
Sun 4/26
6:10 am-2:25 pm
2 stops7h 15m
$437
Cheapest one-way
Quickest one-way
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Thu 4/2
5:10 am-9:20 am
1 stop5h 10m
$193
CharlestonSan Antonio
CHS - SAT
CHSSAT
Charleston
Sat 4/4
7:19 pm-11:59 pm
1 stop5h 40m
$193
Showing 1-10 of 18 resultsSorted by cheapest first
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| 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 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 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 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.
CHS-SAT
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
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 March 10, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican 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
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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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Charleston and San Antonio flights
Browse other Charleston and San Antonio flight options. Last updated on March 10, 2026.
Other flights from Charleston
Browse through other flights departing from Charleston. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$281 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$446 | FlexibilityNo cancel fee | On-time63% |