$141+ Cheap flights from San Antonio to Charleston (SAT - CHS)
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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Charleston with Cheapflights
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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 San Antonio to Charleston
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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 October 12, 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 October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:15 am -
1 stop7h 12m
Sat 11/145:00 pm -
1 stop6h 51m
Deal found 10/8![United Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:19 pm -
1 stop4h 40m
Tue 11/107:00 am -
2 stops9h 38m
Deal found 10/8![United Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sat 12/1211:20 am -
2 stops7h 45m
Tue 12/156:35 am -
2 stops7h 40m
Deal found 10/7![Southwest logo]()
$291
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:50 pm -
2 stops7h 50m
Sat 11/146:40 am -
2 stops7h 00m
Deal found 10/8![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:40 pm -
1 stop5h 30m
Fri 12/258:00 am -
1 stop5h 55m
Deal found 10/8![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sat 11/215:40 pm -
1 stop5h 35m
Wed 11/259:15 pm -
1 stop5h 10m
Deal found 10/7![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:56 pm -
1 stop4h 43m
Mon 11/97:04 pm -
1 stop6h 29m
Deal found 10/9![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:45 pm -
1 stop5h 21m
Mon 12/76:59 pm -
1 stop6h 36m
Deal found 10/7![Delta logo]()
$340
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop6h 38m
Fri 10/302:52 pm -
1 stop6h 32m
Deal found 10/7![United Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:05 pm -
1 stop7h 19m
Mon 12/73:28 pm -
1 stop7h 32m
Deal found 10/8![American Airlines logo]()
$353
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 October 12, 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 October 12, 2026.
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sat 12/1212:40 pm -
1 stop4h 25m
Tue 12/156:35 am -
2 stops8h 50m
Deal found 10/7![Southwest logo]()
$286
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop6h 38m
Fri 10/302:52 pm -
1 stop6h 32m
Deal found 10/7![United Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:55 pm -
2 stops7h 04m
Wed 11/112:40 pm -
1 stop8h 17m
Deal found 10/12![American Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:30 am -
1 stop6h 43m
Tue 12/15:10 am -
1 stop5h 38m
Deal found 10/9![Delta logo]()
$376
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:40 pm -
1 stop5h 30m
Sat 12/269:10 pm -
1 stop5h 00m
Deal found 10/8![Southwest logo]()
$390
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:12 am -
1 stop6h 54m
Thu 1/76:00 am -
1 stop7h 06m
Deal found 10/8![United Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:30 pm -
1 stop4h 29m
Sun 11/225:20 am -
1 stop5h 39m
Deal found 10/10![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:12 am -
1 stop6h 54m
Wed 1/66:00 am -
1 stop10h 04m
Deal found 10/7![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/261:00 pm -
2 stops10h 10m
Wed 12/305:55 am -
1 stop5h 45m
Deal found 10/8![Southwest logo]()
$429
Last-minute flights from San Antonio to CharlestonDiscover last-minute flight deals from San Antonio to Charleston. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Charleston. Data last updated October 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop6h 38m
Fri 10/302:52 pm -
1 stop6h 32m
Deal found 10/7![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:55 am -
2 stops6h 40m
Fri 10/305:35 am -
2 stops7h 05m
Deal found 10/8![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:30 am -
1 stop6h 43m
Tue 12/15:10 am -
1 stop5h 38m
Deal found 10/9![Delta logo]()
$376
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:19 pm -
1 stop4h 40m
Tue 11/107:00 am -
2 stops9h 38m
Deal found 10/8![United Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 10/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:56 pm -
1 stop4h 43m
Mon 11/97:04 pm -
1 stop6h 29m
Deal found 10/9![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/11. 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.
Sat 11/72:55 pm -
2 stops7h 04m
Wed 11/112:40 pm -
1 stop8h 17m
Deal found 10/11![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 10/9. 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.
Sat 11/712:40 pm -
1 stop4h 30m
Mon 11/95:30 am -
2 stops8h 25m
Deal found 10/9![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 10/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:15 am -
1 stop7h 12m
Sat 11/145:00 pm -
1 stop6h 51m
Deal found 10/8![United Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 10/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:50 pm -
2 stops7h 50m
Sat 11/146:40 am -
2 stops7h 00m
Deal found 10/8![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 10/7. 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.
Sat 11/215:40 pm -
1 stop5h 35m
Wed 11/259:15 pm -
1 stop5h 10m
Deal found 10/7![Southwest logo]()
$335
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 October 12, 2026.
Search for one-way flight options from San Antonio to Charleston. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:19 pm -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$141
This Southwest deal was found by Cheapflights users on 10/7. 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 10/2812:55 pm -
2 stops8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$146
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
1 stop6h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![United Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 11/65:13 pm -
1 stop14h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 10/7. 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 12/1812:45 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Sat 11/78:20 pm -
3 stops59h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:20 pm -
2 stops35h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![American Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/299:21 pm -
2 stops34h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 10/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:19 pm -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$212
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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (United Airlines) |
One-way from | $141 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $410 |
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 7,457,451 searches. Data last updated October 12, 2026.
Use the filters below to find and compare flights from San Antonio to Charleston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Wed 12/30
7:00 am-3:26 pm
1 stop7h 26m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$141
Quickest round-trip
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Wed 10/28
4:19 pm-9:59 pm
1 stop4h 40m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$141
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sat 11/7
1:56 pm-9:44 pm
1 stop6h 48m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$141
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Wed 12/30
2:50 pm-12:10 am
2 stops8h 20m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$146
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sat 11/7
1:15 pm-11:59 pm
2 stops9h 44m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$146
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Mon 11/9
7:00 am-2:28 pm
1 stop6h 28m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$170
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Fri 11/6
5:13 pm-8:38 am
1 stop14h 25m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$184
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sat 11/7
8:20 pm-8:38 am
3 stops59h 18m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$195
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Tue 12/29
9:21 pm-8:38 am
2 stops34h 17m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$203
San AntonioCharleston
SAT San Antonio - CHS Charleston
SATCHS
San Antonio
Sun 11/15
6:07 am-1:38 pm
1 stop6h 31m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$207
Showing 1-10 of 20 resultsSorted by cheapest first
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 October.
| 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 |
- 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?
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 6 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 $319). Flying from San Antonio to Charleston in June is currently the most expensive (average of $614). 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 San Antonio to Charleston?
Airfare is below average for this route at the moment.
San Antonio to Charleston flights typically cost between $384 and $1,081 in November.The cheapest round-trip price found within the last 5 days was $281 on United Airlines (Nov 11-Nov 14).
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 October 12, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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.
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Crew
8.6
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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
Mount Pleasant
Goose Creek
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 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$229 | Average$445 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$303 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$486 | FlexibilityNo cancel fee | On-time63% |