$100+ Cheap flights from San Antonio to Charleston (SAT - CHS)
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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CHS
Mar 31 — Apr 71
1 adult, Economy
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Find cheap flights from San Antonio to Charleston 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.Cheapflights Tip: The best prices from San Antonio to Charleston are usually found in July or May, booked 44 days in advance, depart on a Wednesday or Tuesday and return on a Friday
Cheap 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 March 26, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (Mytrip) |
One-way from | $100 (Mytrip) |
Popular in | April |
Cheapest in | July |
Average price | $419 |
Find flight deals from San Antonio to Charleston
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 March 26, 2025.
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 March 26, 2025.
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/258:56 pmSAT - CHS
3 stops35h 24mSpirit Airlines
Mon 4/2810:32 amCHS - SAT
1 stop23h 42mSpirit Airlines
Deal found 3/24![Spirit Airlines logo]()
$220
This Delta deal was found by Cheapflights users on 3/25. 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.
Sun 5/256:33 amSAT - CHS
1 stop6h 00mDelta
Tue 6/107:25 amCHS - SAT
1 stop4h 40mDelta
Deal found 3/25![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 3/25. 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.
Sun 5/256:10 amSAT - CHS
1 stop5h 50mSouthwest
Tue 6/106:10 amCHS - SAT
2 stops6h 10mSouthwest
Deal found 3/25![Southwest logo]()
$322
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/122:20 pmSAT - CHS
1 stop6h 42mAmerican Airlines
Mon 6/167:04 pmCHS - SAT
1 stop4h 59mAmerican Airlines
Deal found 3/25![American Airlines logo]()
$352
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/255:30 amSAT - CHS
2 stops8h 40mUnited Airlines
Tue 6/104:45 pmCHS - SAT
1 stop7h 12mUnited Airlines
Deal found 3/24![United Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:55 pmSAT - CHS
2 stops21h 05mAlaska Airlines
Mon 6/166:03 pmCHS - SAT
2 stops28h 55mAlaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$1,074
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 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from San Antonio to Charleston that are best for you.
Fly from
San Antonio
Fly to
Charleston
Route
Depart
Return
Price
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Fri 4/25
8:56 pm-9:20 am
3 stops35h 24m
Charleston
Mon 4/28
10:32 am-9:14 am
1 stop23h 42m
$220
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sun 5/25
6:33 am-1:33 pm
1 stop6h 00m
Charleston
Tue 6/10
7:25 am-11:05 am
1 stop4h 40m
$317
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sun 5/25
6:10 am-1:00 pm
1 stop5h 50m
Charleston
Tue 6/10
6:10 am-11:20 am
2 stops6h 10m
$322
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 6/12
2:20 pm-10:02 pm
1 stop6h 42m
Charleston
Mon 6/16
7:04 pm-11:03 pm
1 stop4h 59m
$352
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sun 5/25
5:30 am-3:10 pm
2 stops8h 40m
Charleston
Tue 6/10
4:45 pm-10:57 pm
1 stop7h 12m
$433
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Thu 6/12
6:55 pm-5:00 pm
2 stops21h 05m
Charleston
Mon 6/16
6:03 pm-9:58 pm
2 stops28h 55m
$1,074
San AntonioCharleston
SAT - CHS
SATCHS
San Antonio
Sun 5/4
8:56 pm-8:10 am
2 stops34h 14m
$100
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 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.
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?
Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Charleston. Price data was last updated on March 21, 2025.
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 44 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, August is the cheapest month in which you can book a flight from San Antonio to Charleston (average of $217). Flying from San Antonio to Charleston in March is currently the most expensive (average of $335). 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 SAT to CHS?
Find hourly flight availability from San Antonio to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.
It’s optimal to fly from San Antonio to Charleston in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the afternoon.
Rainfall in Charleston by month
Plan your trip to Charleston by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.
Temperature in Charleston by month
Plan your trip to Charleston by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).
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 March 26, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from San Antonio to Charleston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.6
Food
7.1
Boarding
8.2
Overall
8.1
Comfort
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.6
Food
7.1
Boarding
8.2
Overall
8.1
Comfort
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.6
Food
7.1
Boarding
8.2
Overall
8.1
Comfort
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.6
Food
7.1
Boarding
8.2
Overall
8.1
Comfort
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.6
Food
7.1
Boarding
8.2
Overall
8.1
Comfort
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Crew
8.6
Entertainment
7.6
Food
7.1
Boarding
8.2
Overall
8.1
Comfort
8.1
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNorth Charleston
Summerville
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Walterboro
Edisto Beach
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Alternative routes for San Antonio to Charleston
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from San Antonio to Charleston
Discover the top 5 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 2,558,603 searches. Data last updated March 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$171 | Average$209 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$276 | Average$413 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$416 | FlexibilityNo cancel fee | On-time63% |