$93 Cheap Flights from Austin (AUS) to Charleston (CHS)

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Find available prices by choosing your travel dates.

Cheap Flights from Austin to Charleston (AUS-CHS)

Prices were available within the past 7 days and start at $93 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Delta
Southwest Airlines
United
American Airlines
Flights from Austin (AUS) to Charleston (CHS)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$218
Distance
1053 mi

Austin to Charleston Flights

The cheapest times to fly from Austin to Charleston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Charleston are during the month of May. You can find some of the cheapest flights from Austin to Charleston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Austin to Charleston

Sunday is one of the best days to book for cheap flights from Austin to Charleston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Austin to Charleston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $93 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Charleston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to Charleston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS) cost?
Cheap round-trip fares from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS) start from $317. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving AUS on May 2 2025 and touching down at CHS. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from AUS to CHS?
The cheapest flights from AUS to CHS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from AUS to CHS?
Journey from AUS to CHS with Southwest Airlines. This airline currently has the cheapest one-way ticket for this route, starting from $141. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from AUS on June 11 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS)?
You’ll need to take a flight with a layover if you’re traveling from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS). Direct flights don’t operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from AUS to CHS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS)?
Choose a flight from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS) last-minute?
Booking your flight from AUS to CHS shortly before your journey is usually more expensive. But if you’re flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book an AUS to CHS flight and hotel package?
Compared with arranging hotels and flights separately, booking an AUS to CHS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Charleston Intl. Airport (CHS)?
If you reserved your AUS to CHS flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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