Cheap flights from Charleston to San Antonio from $141
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to San Antonio departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Charleston to San Antonio
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Delta flights from Charleston to San Antonio
Our best Delta deals on Charleston to San Antonio flight tickets
Southwest flights from Charleston to San Antonio
Our best Southwest deals on Charleston to San Antonio flight tickets
momondo Fare Finder
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
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Thu 2/18
3:37 pm-10:55 pm
1 stop8h 18m
San Antonio
Mon 2/22
6:00 pm-11:54 pm
1 stop4h 54m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Tue 12/1
6:25 pm-11:10 pm
1 stop5h 45m
San Antonio
Sat 12/5
12:40 pm-6:05 pm
1 stop4h 25m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Mon 2/1
5:30 am-9:54 am
1 stop5h 24m
San Antonio
Thu 2/4
2:10 pm-9:46 pm
1 stop6h 36m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Tue 12/1
4:17 pm-10:19 pm
1 stop7h 02m
San Antonio
Sat 12/5
6:16 am-11:50 am
1 stop4h 34m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Wed 11/4
6:30 am-1:16 pm
1 stop7h 46m
San Antonio
Wed 11/11
6:15 am-2:27 pm
1 stop7h 12m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Thu 11/5
8:55 pm-1:00 am
1 stop5h 05m
San Antonio
Mon 11/9
12:15 pm-9:00 pm
1 stop7h 45m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Sat 10/31
6:30 am-10:46 am
1 stop5h 16m
San Antonio
Sat 11/7
5:30 am-2:28 pm
2 stops7h 58m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Wed 11/4
6:25 pm-11:10 pm
1 stop5h 45m
San Antonio
Wed 11/11
12:50 pm-9:40 pm
2 stops7h 50m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Wed 10/28
2:55 pm-8:24 pm
1 stop6h 29m
San Antonio
Thu 10/29
11:51 am-6:14 pm
1 stop5h 23m
CharlestonSan Antonio
CHS Charleston - SAT San Antonio
CHSSAT
Charleston
Wed 10/28
3:41 pm-10:57 pm
1 stop8h 16m
San Antonio
Fri 10/30
4:28 pm-10:21 pm
1 stop4h 53m
See travel insights to San Antonio from
How to get the cheapest flight ticket from Charleston to San Antonio
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Charleston and San Antonio?
Prices are currently low for flights on this route.
Typical prices usually range from $398 to $487.The lowest price recently found on this route was $281.
What is the cheapest month to fly to San Antonio?
If you aren’t able to travel during the month of February, then book flights to San Antonio from Charleston during September instead. Flights to San Antonio in September, while not as cheap as those in February, still average around $410.
How have Charleston to San Antonio flight prices changed over time?
As of October 2026, prices for Charleston to San Antonio flights are approximately 5% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Charleston to San Antonio?
Southwest, Delta, and United Airlines are the most popular carriers operating from Charleston to San Antonio
What airlines fly to San Antonio?
Delta, American Airlines and Southwest are the top three most popular airlines that fly to San Antonio from Charleston according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Charleston and San Antonio?
Charlotte (CLT) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Charleston to San Antonio?
Flights via Atlanta (ATL) offer the lowest average round-trip price of $444.
Which layover airport has the shortest travel time from Charleston to San Antonio?
Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 4h 33m.
Which layover airport has the shortest connection time from Charleston to San Antonio?
Charlotte (CLT) has the shortest average layover time for this route: 0h 49m.
When to book flights from Charleston to San Antonio
Cheap Charleston to San Antonio (CHS to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Charleston to San Antonio
Frequently asked questions about flying from Charleston to San Antonio
How far is Charleston to San Antonio by plane?
The distance between Charleston and San Antonio is about 1120.0 mi. Typically, this will take 5h 18m by plane in normal conditions.
When did momondo last update prices for flights from Charleston Airport to San Antonio Airport?
Prices for flights from Charleston Airport to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Charleston Airport to San Antonio Airport?
The number of operators available for flights from Charleston Airport to San Antonio Airport is 3 as of October 2026.
How old do you have to be to fly from Charleston Airport to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Charleston to San Antonio?
Based on momondo bookings for flights between Charleston and San Antonio, the leading airline is American Airlines, making up 39% of the total bookings. Other popular airlines include Delta with 33% and Southwest with 29%.
Best airlines flying from Charleston to San Antonio
Compare and see reviews for airlines that fly from Charleston to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $316 | Free Cancellation | Rating 7.8 8,634 reviews | |||
| PriceFrom $338 | Free Cancellation | Rating 7.9 4,215 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 7.0 12,134 reviews |
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Charleston to San Antonio?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Charleston to San Antonio. momondo saves you time and could save you money on your trip.
Can I find flights from Charleston to San Antonio with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Antonio from Charleston which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Charleston to San Antonio?
Once all potential Charleston to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Charleston to San Antonio right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Charleston to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.