$236 Cheap Flights from Charleston (CHS) to St. Thomas (STT)

View $236 flight on Tue, Feb 24, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $236 for one-way flights and $441 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Aug 28 - Fri, Aug 29
CHS
Charleston
STT
St. Thomas
$441 Roundtrip, found 6 days ago
$441
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Aug 28 from Charleston to St. Thomas, returning Fri, Aug 29, priced at $441 found 6 days ago
Delta
Sun, Jan 25 - Fri, Jan 30
CHS
Charleston
STT
St. Thomas
$452 Roundtrip, found 23 hours ago
$452
Roundtrip
found 23 hours ago
Select Delta flight, departing Sun, Jan 25 from Charleston to St. Thomas, returning Fri, Jan 30, priced at $452 found 23 hours ago
American Airlines
Wed, Apr 29 - Wed, May 6
CHS
Charleston
STT
St. Thomas
$453 Roundtrip, just found
$453
Roundtrip
just found
Select American Airlines flight, departing Wed, Apr 29 from Charleston to St. Thomas, returning Wed, May 6, priced at $453 just found
JetBlue Airways
Tue, Feb 24 - Mon, Mar 2
CHS
Charleston
STT
St. Thomas
$455 Roundtrip, found 4 days ago
$455
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Feb 24 from Charleston to St. Thomas, returning Mon, Mar 2, priced at $455 found 4 days ago
American Airlines
Sat, Apr 11 - Mon, Apr 20
CHS
Charleston
STT
St. Thomas
$456 Roundtrip, found 5 days ago
$456
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 11 from Charleston to St. Thomas, returning Mon, Apr 20, priced at $456 found 5 days ago
Delta
Fri, Jan 9 - Thu, Jan 15
CHS
Charleston
STT
St. Thomas
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 9 from Charleston to St. Thomas, returning Thu, Jan 15, priced at $459 found 1 day ago
American Airlines
Wed, Apr 29 - Wed, May 6
CHS
Charleston
STT
St. Thomas
$459 Roundtrip, just found
$459
Roundtrip
just found
Select American Airlines flight, departing Wed, Apr 29 from Charleston to St. Thomas, returning Wed, May 6, priced at $459 just found
American Airlines
Sat, Oct 18 - Tue, Oct 21
CHS
Charleston
STT
St. Thomas
$462 Roundtrip, just found
$462
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 18 from Charleston to St. Thomas, returning Tue, Oct 21, priced at $462 just found
American Airlines
Mon, Jun 1 - Sat, Jun 13
CHS
Charleston
STT
St. Thomas
$465 Roundtrip, found 13 hours ago
$465
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Jun 1 from Charleston to St. Thomas, returning Sat, Jun 13, priced at $465 found 13 hours ago
United
Sun, Nov 23 - Thu, Dec 4
CHS
Charleston
STT
St. Thomas
$542 Roundtrip, found 2 days ago
$542
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 23 from Charleston to St. Thomas, returning Thu, Dec 4, priced at $542 found 2 days ago

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

January is typically the cheapest month to fly

From $205 - $688 per traveler.

Graph displaying average flight prices per month

Alternative airports near St. Thomas

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

Select flight to Cyril E. King STT. Cheapest option available. Flights from $561
STT
Cyril E. King
Cheapest
Flights from $561
Flights from Charleston (CHS) to St. Thomas (STT)
Origin airport
Charleston Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$440
Distance
1372 mi

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 August. 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 $236 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.

 

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 $236 or cheap return flight from $441 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 August 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.

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*Available to One Key members.