$122 Cheap Flights from Charleston (CHS) to St. Thomas (STT)

View $122 flight on Fri, Dec 5, 2025Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT)

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

Prices were available within the past 7 days and start at $122 for one-way flights and $247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Fri, Dec 5 - Mon, Dec 8
CHS
Charleston
STT
St. Thomas
$247 Roundtrip, just found
$247
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Dec 5 from Charleston to St. Thomas, returning Mon, Dec 8, priced at $247 just found
Spirit Airlines
Fri, Dec 5 - Fri, Dec 12
CHS
Charleston
STT
St. Thomas
$257 Roundtrip, found 3 days ago
$257
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri, Dec 5 from Charleston to St. Thomas, returning Fri, Dec 12, priced at $257 found 3 days ago
Spirit Airlines
Fri, Nov 28 - Mon, Dec 1
CHS
Charleston
STT
St. Thomas
$264 Roundtrip, found 3 days ago
$264
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri, Nov 28 from Charleston to St. Thomas, returning Mon, Dec 1, priced at $264 found 3 days ago
Spirit Airlines
Sat, Nov 22 - Mon, Nov 24
CHS
Charleston
STT
St. Thomas
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sat, Nov 22 from Charleston to St. Thomas, returning Mon, Nov 24, priced at $284 found 1 day ago
Spirit Airlines
Thu, Dec 11 - Mon, Dec 22
CHS
Charleston
STT
St. Thomas
$288 Roundtrip, found 6 days ago
$288
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Dec 11 from Charleston to St. Thomas, returning Mon, Dec 22, priced at $288 found 6 days ago
Spirit Airlines
Fri, Nov 21 - Mon, Nov 24
CHS
Charleston
STT
St. Thomas
$293 Roundtrip, found 2 hours ago
$293
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Fri, Nov 21 from Charleston to St. Thomas, returning Mon, Nov 24, priced at $293 found 2 hours ago
JetBlue Airways
Tue, Jan 27 - Fri, Feb 6
CHS
Charleston
STT
St. Thomas
$379 Roundtrip, found 6 days ago
$379
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Jan 27 from Charleston to St. Thomas, returning Fri, Feb 6, priced at $379 found 6 days ago
American Airlines
Thu, Nov 27 - Mon, Dec 1
CHS
Charleston
STT
St. Thomas
$408 Roundtrip, found 3 days ago
$408
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 27 from Charleston to St. Thomas, returning Mon, Dec 1, priced at $408 found 3 days ago
Delta
Mon, Feb 2 - Fri, Feb 13
CHS
Charleston
STT
St. Thomas
$453 Roundtrip, found 1 hour ago
$453
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Feb 2 from Charleston to St. Thomas, returning Fri, Feb 13, priced at $453 found 1 hour ago
United
Thu, Mar 5 - Tue, Mar 10
CHS
Charleston
STT
St. Thomas
$523 Roundtrip, found 20 hours ago
$523
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Mar 5 from Charleston to St. Thomas, returning Tue, Mar 10, priced at $523 found 20 hours ago

Find the cheapest month to fly from Charleston (CHS) to St. Thomas (STT)

January is typically the cheapest month to fly

From $205 - $636 per traveler.

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Terrance B. Lettsome Intl. EIS. Flights from $1,032
EIS
Terrance B. Lettsome Intl.
Flights from $1,032

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT) cost?
Snag a cheap one-way flight from $122 or cheap return flight from $247 from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT)?
Traveling in December is a great way to save, as it's the cheapest month for flights between CHS and STT. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT)?
To find the cheapest airline flying from CHS to STT, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT)?
There are no daily direct flights from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT). But you can opt for 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.
What day of the week has the most flights from CHS to STT?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT)?
Opt for a flight from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour 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 Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT) last-minute?
Last-minute bookings from CHS to STT are usually more expensive. To secure the lowest prices, start looking for flights well in advance. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a CHS to STT flight and hotel package?
Securing a CHS to STT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Cyril E. King Airport (STT)?
Usually, it's possible to cancel or reschedule your CHS to STT flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Charleston Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$246
Distance
1372 mi

Book with confidence

Charleston to St. Thomas Flights

The cheapest times to fly from Charleston to St. Thomas

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

 

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

Sunday is one of the best days to book for cheap flights from Charleston to St. Thomas: 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 Charleston to St. Thomas

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 Charleston to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $122 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 Charleston to St. Thomas 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 Charleston to St. Thomas 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.

 

Charleston to St. Thomas Flights

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*Available to One Key members.