$113 Cheap Flights from St. Thomas (STT) to Charleston (CHS)

View $113 flight on Thu, Sep 4, 2025Opens in a new window

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Cheap Flights from St. Thomas to Charleston (STT-CHS)

Prices were available within the past 7 days and start at $113 for one-way flights and $265 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Jul 26 - Fri, Aug 15
STT
St. Thomas
CHS
Charleston
$265 Roundtrip, found 3 days ago
$265
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sat, Jul 26 from St. Thomas to Charleston, returning Fri, Aug 15, priced at $265 found 3 days ago
Spirit Airlines
Sat, Jul 19 - Sat, Jul 26
STT
St. Thomas
CHS
Charleston
$271 Roundtrip, found 13 hours ago
$271
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Sat, Jul 19 from St. Thomas to Charleston, returning Sat, Jul 26, priced at $271 found 13 hours ago
Spirit Airlines
Sun, Aug 17 - Thu, Aug 21
STT
St. Thomas
CHS
Charleston
$272 Roundtrip, found 4 days ago
$272
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sun, Aug 17 from St. Thomas to Charleston, returning Thu, Aug 21, priced at $272 found 4 days ago
Spirit Airlines
Thu, Oct 16 - Sun, Oct 19
STT
St. Thomas
CHS
Charleston
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Thu, Oct 16 from St. Thomas to Charleston, returning Sun, Oct 19, priced at $283 found 4 days ago
Spirit Airlines
Fri, Aug 22 - Fri, Aug 29
STT
St. Thomas
CHS
Charleston
$288 Roundtrip, found 12 hours ago
$288
Roundtrip
found 12 hours ago
Select Spirit Airlines flight, departing Fri, Aug 22 from St. Thomas to Charleston, returning Fri, Aug 29, priced at $288 found 12 hours ago
Spirit Airlines
Thu, Aug 28 - Fri, Aug 29
STT
St. Thomas
CHS
Charleston
$295 Roundtrip, found 12 hours ago
$295
Roundtrip
found 12 hours ago
Select Spirit Airlines flight, departing Thu, Aug 28 from St. Thomas to Charleston, returning Fri, Aug 29, priced at $295 found 12 hours ago
American Airlines
Sun, Aug 17 - Thu, Aug 21
STT
St. Thomas
CHS
Charleston
$393 Roundtrip, found 4 days ago
$393
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Aug 17 from St. Thomas to Charleston, returning Thu, Aug 21, priced at $393 found 4 days ago
Delta
Tue, Dec 23 - Wed, Dec 31
STT
St. Thomas
CHS
Charleston
$452 Roundtrip, found 17 hours ago
$452
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Dec 23 from St. Thomas to Charleston, returning Wed, Dec 31, priced at $452 found 17 hours ago
JetBlue Airways
Sat, Aug 30 - Sun, Sep 7
STT
St. Thomas
CHS
Charleston
$477 Roundtrip, found 5 days ago
$477
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Aug 30 from St. Thomas to Charleston, returning Sun, Sep 7, priced at $477 found 5 days ago
United
Sat, Dec 20 - Wed, Dec 31
STT
St. Thomas
CHS
Charleston
$650 Roundtrip, found 17 hours ago
$650
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Dec 20 from St. Thomas to Charleston, returning Wed, Dec 31, priced at $650 found 17 hours ago
Flights from St. Thomas (STT) to Charleston (CHS)
Origin airport
Cyril E. King
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$264
Distance
1372 mi

St. Thomas to Charleston Flights

The cheapest times to fly from St. Thomas 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 St. Thomas to Charleston are during the month of July. You can find some of the cheapest flights from St. Thomas to Charleston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Charleston

Sunday is one of the best days to book for cheap flights from St. Thomas 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 St. Thomas 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 St. Thomas to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $113 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 St. Thomas 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 St. Thomas 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 Cyril E. King Airport (STT) to Charleston Intl. Airport (CHS) cost?
Discover the latest flight deals from STT to CHS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STT to CHS?
The cheapest flights from STT 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 STT to CHS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STT to CHS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cyril E. King Airport (STT) to Charleston Intl. Airport (CHS)?
There aren't any daily direct flights from Cyril E. King Airport (STT) to Charleston Intl. Airport (CHS). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from STT to CHS?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Charleston Intl. Airport (CHS)?
Book a flight from Cyril E. King Airport (STT) to Charleston Intl. Airport (CHS) that takes off before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Cyril E. King Airport (STT) to Charleston Intl. Airport (CHS) last-minute?
Last-minute bookings from STT to CHS are generally more expensive. To lock in the lowest rates, start searching for flights as soon as possible. That said, if you can play around with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book a STT to CHS flight and hotel package?
Compared with arranging flights and hotels separately, booking a STT to CHS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Charleston Intl. Airport (CHS)?
In most cases, you're able to cancel or reschedule your STT to CHS flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.