$147+ Cheap flights from Charleston to San Antonio (CHS - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SAT
Nov 25 — Dec 21
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
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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 October 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 October 26, 2026.
This Delta deal was found by Cheapflights users on 10/23. 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.
Wed 12/25:34 pm -
1 stop8h 01m
Sat 12/57:38 am -
1 stop6h 32m
Deal found 10/23![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 10/23. 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.
Mon 12/76:25 pm -
1 stop5h 45m
Mon 12/145:30 am -
1 stop6h 15m
Deal found 10/23![Southwest logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/153:00 pm -
1 stop21h 40m
Sun 1/109:50 am -
2 stops45h 48m
Deal found 10/25![Multiple Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 10/23. 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 12/21:25 pm -
1 stop4h 35m
Sat 12/511:20 am -
2 stops6h 40m
Deal found 10/23![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 10/21. 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 11/111:30 pm -
1 stop8h 55m
Sun 11/155:15 am -
1 stop7h 05m
Deal found 10/21![Southwest logo]()
$307
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 11/167:18 pm -
1 stop5h 46m
Mon 11/235:49 pm -
1 stop5h 06m
Deal found 10/21![American Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/1811:12 am -
2 stops11h 14m
Sat 11/214:19 pm -
1 stop4h 40m
Deal found 10/22![United Airlines logo]()
$313
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 October 26, 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 October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/186:30 am -
1 stop7h 46m
Sat 11/214:19 pm -
1 stop4h 40m
Deal found 10/22![United Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 10/23. 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 11/132:00 pm -
1 stop9h 30m
Sun 11/155:15 am -
1 stop7h 05m
Deal found 10/23![Southwest logo]()
$321
This Delta deal was found by Cheapflights users on 10/22. 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 12/175:10 am -
1 stop5h 38m
Sun 12/201:00 pm -
1 stop5h 04m
Deal found 10/22![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:20 am -
2 stops9h 25m
Sun 12/1312:25 pm -
2 stops7h 35m
Deal found 10/25![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 10/23. 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 12/172:04 pm -
1 stop6h 55m
Tue 12/226:30 pm -
1 stop4h 24m
Deal found 10/23![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 10/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/194:45 pm -
2 stops7h 45m
Tue 1/55:30 am -
1 stop6h 15m
Deal found 10/24![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:29 pm -
1 stop9h 08m
Mon 11/304:19 pm -
1 stop4h 40m
Deal found 10/24![United Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 10/23. 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 12/189:15 pm -
1 stop5h 10m
Tue 12/222:50 pm -
2 stops8h 25m
Deal found 10/23![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 10/22. 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 12/189:15 pm -
1 stop5h 10m
Mon 12/215:40 pm -
1 stop5h 35m
Deal found 10/22![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:35 am -
2 stops7h 40m
Sun 12/1312:25 pm -
2 stops7h 35m
Deal found 10/25![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 10/22. 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 11/1811:00 am -
2 stops7h 00m
Sat 11/211:00 pm -
2 stops10h 15m
Deal found 10/22![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 10/21. 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 12/309:15 pm -
1 stop5h 10m
Sun 1/36:55 am -
1 stop10h 10m
Deal found 10/21![Southwest logo]()
$439
Last-minute flights from Charleston to San AntonioDiscover last-minute flight deals from Charleston to San Antonio. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to San Antonio. Data last updated October 26, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/21. 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 11/111:30 pm -
1 stop8h 55m
Sun 11/155:15 am -
1 stop7h 05m
Deal found 10/21![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/23. 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 11/132:00 pm -
1 stop9h 30m
Sun 11/155:15 am -
1 stop7h 05m
Deal found 10/23![Southwest logo]()
$321
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Mon 11/167:18 pm -
1 stop5h 46m
Mon 11/235:49 pm -
1 stop5h 06m
Deal found 10/21![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 10/26. 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.
Mon 11/166:25 pm -
1 stop5h 45m
Wed 11/189:50 am -
1 stop5h 40m
Deal found 10/26![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 10/26. 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 11/181:25 pm -
1 stop4h 35m
Sat 11/215:40 pm -
1 stop5h 35m
Deal found 10/26![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/1811:12 am -
2 stops11h 14m
Sat 11/214:19 pm -
1 stop4h 40m
Deal found 10/22![United Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/182:40 pm -
1 stop6h 03m
Sat 11/215:49 pm -
1 stop5h 06m
Deal found 10/23![American Airlines logo]()
$330
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 October 26, 2026.
Search for one-way flight options from Charleston to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Delta deal was found by Cheapflights users on 10/22. 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.
Tue 11/105:34 pm -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$147
This United Airlines deal was found by Cheapflights users on 10/23. 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 1/76:00 am -
2 stops10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 1/72:13 pm -
1 stop21h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 1/77:00 am -
3 stops30h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Breeze Airways logo]()
$155
This Southwest deal was found by Cheapflights users on 10/22. 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 11/137:10 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Fri 1/83:17 pm -
2 stops42h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 1/67:30 am -
2 stops36h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$173
This Delta deal was found by Cheapflights users on 10/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:59 pm -
1 stop5h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$178
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (Delta) |
One-way from | $147 (Delta) |
Popular in | January |
Cheapest in | February |
Average price | $425 |
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 7,457,451 searches. Data last updated October 26, 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 Charleston - SAT San Antonio
CHSSAT
Charleston
Tue 11/10
5:34 pm-10:06 pm
1 stop5h 32m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Thu 1/7
8:00 am-1:22 pm
1 stop6h 22m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
Quickest round-trip
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Sat 11/14
6:00 am-9:54 am
1 stop4h 54m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Thu 1/7
6:00 am-3:30 pm
2 stops10h 30m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$152
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Fri 11/13
7:10 pm-12:25 am
1 stop6h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$161
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Thu 1/7
2:13 pm-8:47 pm
2 stops31h 34m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$162
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Fri 1/8
7:21 pm-11:56 pm
1 stop5h 35m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$178
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Wed 12/23
7:59 pm-12:40 am
1 stop5h 41m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$178
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Fri 1/8
7:01 am-1:10 pm
1 stop7h 09m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$178
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Wed 1/6
8:20 am-1:10 pm
1 stop5h 50m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$178
Showing 1-10 of 24 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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
What is the cheapest month to book a flight from Charleston to San Antonio?
Currently, February is the cheapest month in which you can book a flight from Charleston to San Antonio (average of $377). Flying from Charleston to San Antonio in January is currently the most expensive (average of $634). 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 Charleston to San Antonio?
Airfare is below average for this route at the moment.
Charleston to San Antonio flights typically cost between $368 and $538 in December.The cheapest round-trip price found within the last 5 days was $293 on Delta (Dec 19-Dec 22).
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 October 26, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Overall
7.9
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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 October 26, 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 October 26, 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 October 26, 2026.
Top 4 airlines flying from Charleston to San Antonio
Discover the top 4 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$310 | Average$415 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$329 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$488 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$335 | Average$446 | FlexibilityNo cancel fee | On-time63% |