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311 € Cheap Flights from San Antonio International to Charleston

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Flight deals from San Antonio International to Charleston

Looking for a cheap last-minute deal or the best return flight from San Antonio International Airport to Charleston Airport? If you want to travel next month, return fares start from 316 €. Find the lowest prices on one-way and return tickets right here.
Charleston.311 € per passenger.Departing Tue, 21 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Tue, 21 Jul, arriving in Charleston.Inbound indirect flight with Breeze Airways, departs from Charleston on Tue, 28 Jul, arriving in San Antonio International.Price includes taxes and charges.From 311 €, select.
Charleston.316 € per passenger.Departing Wed, 10 Jun, returning Wed, 1 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Wed, 10 Jun, arriving in Charleston.Inbound indirect flight with Southwest Airlines, departs from Charleston on Wed, 1 Jul, arriving in San Antonio International.Price includes taxes and charges.From 316 €, select.
Charleston.316 € per passenger.Departing Tue, 23 Jun, returning Wed, 24 Jun.Return flight with United.Outbound indirect flight with United, departs from San Antonio International on Tue, 23 Jun, arriving in Charleston.Inbound indirect flight with United, departs from Charleston on Wed, 24 Jun, arriving in San Antonio International.Price includes taxes and charges.From 316 €, select.
Charleston.338 € per passenger.Departing Wed, 23 Sep, returning Mon, 28 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Wed, 23 Sep, arriving in Charleston.Inbound indirect flight with Southwest Airlines, departs from Charleston on Mon, 28 Sep, arriving in San Antonio International.Price includes taxes and charges.From 338 €, select.
Charleston.353 € per passenger.Departing Fri, 2 Oct, returning Mon, 5 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Fri, 2 Oct, arriving in Charleston.Inbound indirect flight with Southwest Airlines, departs from Charleston on Mon, 5 Oct, arriving in San Antonio International.Price includes taxes and charges.From 353 €, select.
Charleston.362 € per passenger.Departing Fri, 7 Aug, returning Fri, 7 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Fri, 7 Aug, arriving in Charleston.Inbound indirect flight with Southwest Airlines, departs from Charleston on Fri, 7 Aug, arriving in San Antonio International.Price includes taxes and charges.From 362 €, select.
Charleston.383 € per passenger.Departing Thu, 28 May, returning Fri, 29 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from San Antonio International on Thu, 28 May, arriving in Charleston.Inbound indirect flight with Southwest Airlines, departs from Charleston on Fri, 29 May, arriving in San Antonio International.Price includes taxes and charges.From 383 €, select.

Find the cheapest month to fly from San Antonio International to Charleston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Charleston flights are currently cheapest in July.
May
from 383 €
Jun
from 316 €
Jul
from 311 €
Aug
from 362 €
Sep
from 338 €
Oct
from 353 €
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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San Antonio International to Charleston: Alternative routes

Compare routes from San Antonio International to Charleston below. You may find an airport to fly into that's cheaper, faster, or easier than Charleston.

Charleston

17km from central Charleston
ClosestCheapest
from 311 €
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San Antonio to Charleston: Flight information

The things to know before you go.
Cheapest flight found311 €
Cheapest month to flyJuly

Finding cheap flights from San Antonio International to Charleston: Frequently asked questions

The best price we found for a return flight from San Antonio International to Charleston is 311 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Antonio International to Charleston. But we found flights with one or more stops from 311 €.
As of May 2026, there are no flights flying from San Antonio International to Charleston.
The cheapest month to fly from San Antonio International to Charleston is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Charleston Airport on Tuesday, 21 July 2026.
No airlines currently offer direct flights between San Antonio International Airport and Charleston Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Charleston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Charleston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Charleston.

Flying from San Antonio International Airport (SAT) to Charleston International Airport (CHS): what you need to know

  • Charleston's timezone is UTC-4, making Charleston one hour ahead of San Antonio.

  • Arrive at the airport on time so you don't miss your SAT to CHS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Travelling during a peak time like July? Public holidays and other high seasons can lead to longer queues at security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from San Antonio International Airport to Charleston International Airport. Simply uncheck 'Direct flights only' to break up your trip, or visit a new city along the way. Check out these options between SAT and CHS:

    • Hartsfield-Jackson Atlanta International Airport

    • Nashville International Airport

    • William P. Hobby Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to Charleston International Airport (CHS)

  • Right now, 157 € is the lowest price we've seen for a one-way San Antonio International Airport to Charleston International Airport flight. The best price for a return ticket is 311 €. Remember that fares can change due to availability at the time of booking.

  • Don't leave things to the last moment. You're more likely to get cheap tickets from SAT to CHS if you book early. Airlines often have some great early bird deals.

  • The 'Whole month' search tool shows you the cheapest flights from San Antonio International Airport to Charleston International Airport across every month. It's a good way to find a bargain if your travel plans are flexible.

  • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment there's a change in price on cheap flights from SAT to CHS.

  • Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from San Antonio International Airport to Charleston International Airport.

Handy information about San Antonio International Airport (SAT)

  • SAT's address is 9800 Airport Boulevard.

  • San Antonio International Airport scores top marks for its on-time performance. 83.17% of flights that depart SAT reach their destination on time.

  • To reach San Antonio International Airport from central San Antonio, it'll take around 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • Planning to catch public transport? Expect a trip time of around 1 hour 30 minutes.

  • Need a handy hotel near SAT? If you're boarding an early flight from San Antonio International Airport to Charleston International Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Charleston International Airport (CHS)

Getting from Charleston International Airport (CHS) to central Charleston

  • Charleston International Airport is roughly 21 kilometres from central Charleston. The drive time takes around 30 minutes.

  • Travelling on public transport will take you roughly 3 hours 35 minutes.

When to fly to Charleston International Airport (CHS)

  • July is the busiest month for flights from San Antonio International Airport to Charleston International Airport. To escape the crowds, go to Charleston in April.

  • Lock in your flight from San Antonio International Airport to Charleston International Airport for July if you want to go to Charleston during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 32ºC (90ºF).

  • If you like cooler conditions, look for a cheap ticket from SAT to CHS in January. Average temperatures are between 4ºC (39ºF) and 17ºC (63ºF) then.

Explore more of United States

  • You've visited Charleston, now it's time to explore more of United States. Journey around 322 kilometres south-west to Jacksonville to tick off its top sights. From Jacksonville Zoo and Gardens to The Cummer Museum of Art & Gardens and Friendship Fountain, your itinerary will be busy.

  • Around 290 kilometres north of Charleston, Charlotte is another favourite stop in United States. Start your sightseeing at NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

Plan the rest of your trip from San Antonio to Charleston

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.