Cheap Flights from Charleston (CHS) to St. Thomas (SPB)

Popular airlines from Charleston Intl. Airport (CHS) to St. Thomas (SPB-St. Thomas Seaplane Base)

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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 $680
STT
Cyril E. King
Cheapest
Flights from $680
Flights from Charleston (CHS) to St. Thomas (SPB)
Origin airport
Charleston Intl.
Destination airport
St. Thomas Seaplane Base
Distance
1373 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 . 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 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 St. Thomas Seaplane Base Airport (SPB) cost?
Discover the latest flight deals from CHS to SPB 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 CHS to SPB?
The cheapest flights from CHS to SPB 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 CHS to SPB?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CHS to SPB. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Charleston Intl. Airport (CHS) to St. Thomas Seaplane Base Airport (SPB)?
There aren't any daily direct flights available from Charleston Intl. Airport (CHS) to St. Thomas Seaplane Base Airport (SPB). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from CHS to SPB?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, airline and other factors.*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 St. Thomas Seaplane Base Airport (SPB)?
To avoid potential delays on the Charleston Intl. Airport (CHS) to St. Thomas Seaplane Base Airport (SPB) route, aim to travel before 3 PM. Later flights are 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 St. Thomas Seaplane Base Airport (SPB) last-minute?
Holding off until right before your break to book a flight from CHS to SPB often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book a CHS to SPB flight and hotel package?
Opting for a CHS to SPB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to St. Thomas Seaplane Base Airport (SPB)?
In most instances, you're able to cancel or reschedule your CHS to SPB flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.