Cheap flights from Charleston to San Antonio from $133
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 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Charleston to San Antonio
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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 cheapest month to fly to San Antonio?
If you aren’t able to travel during the month of May, then book flights to San Antonio from Charleston during August instead. Flights to San Antonio in August, while not as cheap as those in May, still average around $373.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Friday when prices can be found for as low as $365. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $476.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Charleston to San Antonio at noon for as low as $254. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $460. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Charleston when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $418 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Charleston for as low as $336 on momondo.
Can stopping save me money on Charleston to San Antonio flights?
You could potentially save up to 20% on your flight if you consider stops on a Charleston to San Antonio flight.
How have Charleston to San Antonio flight prices changed over time?
As of June 2025, prices for Charleston to San Antonio flights are approximately 43% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Charleston to San Antonio?
Spirit Airlines, Delta, and Southwest are the most popular carriers operating from Charleston to San Antonio
What airlines fly to San Antonio?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to San Antonio from Charleston according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 5 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
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
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 4h 35m 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 5 as of June 2025.
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 40% of the total bookings. Other popular airlines include Delta with 28%, Southwest with 20%, and United Airlines with 6%.
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 $198 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $202 | Free Cancellation | Rating 6.3 8,064 reviews | |||
| PriceFrom $291 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $300 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $300 | Free Cancellation | Rating 7.2 10,000 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.