What are the cheapest airlines flying from Charleston to Saint Thomas Island round-trip?

Spirit Airlines, at $263, was found to be the cheapest airline from Charleston to Saint Thomas Island.Alternate airlines to your destination round-trip include American Airlines and Delta. You may be able to fly from Charleston to Saint Thomas Island for 56% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Charleston to Saint Thomas Island one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $127. Users have also found prices from $268 and $272 on American Airlines and Delta, respectively.

What is the cheapest day to fly from Charleston to Saint Thomas Island?

Travelers seeking maximum savings on their Charleston to Saint Thomas Island flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Charleston to Saint Thomas Island?

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Charleston to Saint Thomas Island.

What is the cheapest day to fly round-trip from Charleston to Saint Thomas Island?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Saint Thomas Island. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Charleston to Saint Thomas Island?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 32 days in advance, which can save you up to 239% on flights from Charleston to Saint Thomas Island compared to booking the week you need them. Waiting 32 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $406. For sooner than that we have options available in the next 3 days from $1,210.

What is the cheapest month to fly from Charleston to Saint Thomas Island?

September is one of the best times of the year to fly to Saint Thomas Island from Charleston. Prices for September average $611 per person but you can even find prices for as low as $208. The most expensive prices can be found in the month of April. Opting for a September flight can save you 27% on your journey compared to booking in April

How can I find direct flights from Charleston to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Saint Thomas Island.

Can I find deals for business class flights from Charleston to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Charleston to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$127+ Flights from Charleston to Saint Thomas Island

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Charleston to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Charleston to Saint Thomas Island Cyril E King are usually found in September or January, booked 31 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Charleston to Saint Thomas Island

Round-trip from	$263 (FlightHub)
One-way from	$127 (FlightHub)
Popular in	April
Cheapest in	September
Average price	$692

From Charleston to Saint Thomas Island Cyril E King

Search Deals

One-way flight from Charleston to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($94 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Charleston to Saint Thomas Island

Cheapest flights from Charleston to Saint Thomas Island
Explore the most affordable flight options available from Charleston to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Fri 8/158:17 pmCHS - STT

1 stop14h 56mSpirit Airlines

Fri 8/2212:18 pmSTT - CHS

1 stop6h 54mSpirit Airlines

Deal found 7/27

$263

Tue 10/286:30 amCHS - STT

1 stop5h 30mAmerican Airlines

Wed 11/126:17 pmSTT - CHS

1 stop15h 24mAmerican Airlines

Deal found 7/29

$453

Fri 9/195:10 amCHS - STT

1 stop8h 23mDelta

Mon 9/292:43 pmSTT - CHS

1 stop7h 50mDelta

Deal found 7/29

$459

Thu 8/2810:38 amCHS - STT

3 stops28h 41mMultiple Airlines

Sun 8/3112:18 pmSTT - CHS

2 stops22h 12mMultiple Airlines

Deal found 7/29

$497

Best flights from Charleston to Saint Thomas Island
Discover carefully curated flight deals from Charleston to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Fri 8/158:17 pmCHS - STT

1 stop14h 56mSpirit Airlines

Fri 8/2212:18 pmSTT - CHS

1 stop6h 54mSpirit Airlines

Deal found 7/27

$263

Tue 10/217:41 pmCHS - STT

1 stop16h 19mAmerican Airlines

Tue 10/285:20 pmSTT - CHS

2 stops21h 31mAmerican Airlines

Deal found 7/27

$456

Fri 9/195:10 amCHS - STT

1 stop8h 23mDelta

Mon 9/292:43 pmSTT - CHS

1 stop7h 50mDelta

Deal found 7/29

$459

Thu 8/2810:38 amCHS - STT

3 stops28h 41mMultiple Airlines

Sun 8/3112:18 pmSTT - CHS

2 stops22h 12mMultiple Airlines

Deal found 7/29

$497

Last-minute flights from Charleston to Saint Thomas Island
Discover last-minute flight deals from Charleston to Saint Thomas Island. Data last updated July 29, 2025 and is based on user searches.

Fri 8/158:17 pmCHS - STT

1 stop14h 56mSpirit Airlines

Fri 8/2212:18 pmSTT - CHS

1 stop6h 54mSpirit Airlines

Deal found 7/27

$263

Wed 8/207:38 pmCHS - STT

2 stops17h 12mAmerican Airlines

Thu 8/285:10 pmSTT - CHS

2 stops19h 00mAmerican Airlines

Deal found 7/28

$578

Thu 8/2810:38 amCHS - STT

3 stops28h 41mMultiple Airlines

Sun 8/3112:18 pmSTT - CHS

2 stops22h 12mMultiple Airlines

Deal found 7/29

$497

One-way flights from Charleston to Saint Thomas Island
Search for one-way flight options from Charleston to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sun 8/248:17 pmCHS - STT

1 stop14h 56mSpirit Airlines

Deal found 7/27

$127

Sat 10/410:10 amCHS - STT

1 stop5h 50mAmerican Airlines

Deal found 7/29

$268

Sat 8/238:00 amCHS - STT

1 stop7h 10mDelta

Deal found 7/27

$272

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleston to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Fri 8/15

8:17 pm-11:13 am

1 stop14h 56m

Saint Thomas Island Cyril E King

Fri 8/22

12:18 pm-7:12 pm

1 stop6h 54m

$263

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Tue 10/21

7:41 pm-12:00 pm

1 stop16h 19m

Saint Thomas Island Cyril E King

Tue 10/28

5:20 pm-2:51 pm

2 stops21h 31m

$456

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Fri 9/19

5:10 am-1:33 pm

1 stop8h 23m

Saint Thomas Island Cyril E King

Mon 9/29

2:43 pm-10:33 pm

1 stop7h 50m

$459

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Thu 8/28

10:38 am-3:19 pm

3 stops28h 41m

Saint Thomas Island Cyril E King

Sun 8/31

12:18 pm-10:30 am

2 stops22h 12m

$497

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Sun 8/24

8:17 pm-11:13 am

1 stop14h 56m

$127

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Sat 10/4

10:10 am-4:00 pm

1 stop5h 50m

$268

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Sat 8/23

8:00 am-3:10 pm

1 stop7h 10m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Charleston to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Charleston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charleston to Saint Thomas Island

How far ahead should I book a flight from Charleston to Saint Thomas Island?

To ensure you get the cheapest price possible for a flight from Charleston to Saint Thomas Island, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Charleston to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Charleston to Saint Thomas Island (average of $433). Flying from Charleston to Saint Thomas Island in June is currently the most expensive (average of $649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHS to STT?

Unlike in the morning, when flights are generally more expensive, you can save up to 62% on flights from Charleston to Saint Thomas Island by exploring options for tickets at noon.

Reviews of airlines servicing Saint Thomas Island

Read reviews from past customers who have flown Delta, American Airlines, and Spirit Airlines from Charleston to Saint Thomas Island. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,040 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Charleston to Saint Thomas Island round-trip?
Spirit Airlines, at $263, was found to be the cheapest airline from Charleston to Saint Thomas Island.Alternate airlines to your destination round-trip include American Airlines and Delta. You may be able to fly from Charleston to Saint Thomas Island for 56% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Charleston to Saint Thomas Island one-way?
For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $127. Users have also found prices from $268 and $272 on American Airlines and Delta, respectively.
Can I find deals for flights from Charleston to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Charleston to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Charleston to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Saint Thomas Island.
Can I find deals for business class flights from Charleston to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Charleston to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Charleston to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from Charleston to Saint Thomas Island (average of $433). Flying from Charleston to Saint Thomas Island in June is currently the most expensive (average of $649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Charleston to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$176	Average$245	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$417	Average$668	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$452	Average$631	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$127+ Cheap flights from Charleston (CHS) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Charleston to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Charleston to Saint Thomas Island Cyril E King are usually found in September or January, booked 31 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Charleston to Saint Thomas Island

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Charleston to Saint Thomas Island

Cheapest flights from Charleston to Saint Thomas IslandExplore the most affordable flight options available from Charleston to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Charleston to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleston to Saint Thomas Island that are best for you.

Best time to book a flight from Charleston to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Charleston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Charleston to Saint Thomas Island

How far ahead should I book a flight from Charleston to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Saint Thomas Island. Price data was last updated on July 25, 2025.

What is the cheapest month to book a flight from Charleston to Saint Thomas Island?

What is the cheapest time of day to fly from CHS to STT?

Find hourly flight availability from Charleston to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Reviews of airlines servicing Saint Thomas Island

Read reviews from past customers who have flown Delta, American Airlines, and Spirit Airlines from Charleston to Saint Thomas Island. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Charleston to Saint Thomas Island round-trip?

What are the cheapest airlines to fly from Charleston to Saint Thomas Island one-way?

Can I find deals for flights from Charleston to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Charleston to Saint Thomas Island?

Can I find deals for business class flights from Charleston to Saint Thomas Island?

What is the cheapest month to book a flight from Charleston to Saint Thomas Island?

Traveling to a place near Saint Thomas Island?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Charleston to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Charleston to Saint Thomas Island

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Charleston to Saint Thomas Island
Explore the most affordable flight options available from Charleston to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.