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

Spirit Airlines, at $345, 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 41% less than the average price by searching for these airlines.

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 $766.

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 $588 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 28% on your journey compared to booking in April

Most accurate provider : When it comes to deals on Charleston-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Charleston-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Charleston-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Charleston-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$193+ 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 August, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Charleston to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$345 (Mytrip)
One-way from	$193 (Mytrip)
Popular in	April
Cheapest in	September
Average price	$754

Provider with most accurate pricing for Charleston-Saint Thomas Island Cyril E King flight deals.

Search Deals

Provider most trusted by Cheapflights users for Charleston-Saint Thomas Island Cyril E King flights.

Search Deals

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 ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 22, 2025.

Fri 5/1612:33 pmCHS - STT

2 stops21h 24mSpirit Airlines

Fri 5/2310:52 amSTT - CHS

1 stop21h 46mSpirit Airlines

Deal found 4/21

$345

Fri 5/164:30 pmCHS - STT

1 stop21h 06mMultiple Airlines

Fri 5/2310:52 amSTT - CHS

1 stop21h 46mMultiple Airlines

Deal found 4/21

$387

Tue 10/286:09 amCHS - STT

1 stop8h 36mAmerican Airlines

Wed 11/126:15 pmSTT - CHS

1 stop7h 04mAmerican Airlines

Deal found 4/21

$393

Tue 6/175:15 amCHS - STT

1 stop9h 36mDelta

Tue 6/243:00 pmSTT - CHS

1 stop5h 46mDelta

Deal found 4/22

$477

Fri 8/157:00 amCHS - STT

1 stop8h 43mUnited Airlines

Tue 8/199:10 amSTT - CHS

2 stops14h 17mUnited Airlines

Deal found 4/21

$762

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 April 22, 2025.

Fri 5/1612:33 pmCHS - STT

2 stops21h 24mSpirit Airlines

Fri 5/2310:52 amSTT - CHS

1 stop21h 46mSpirit Airlines

Deal found 4/21

$345

Fri 5/164:30 pmCHS - STT

1 stop21h 06mMultiple Airlines

Fri 5/2310:52 amSTT - CHS

1 stop21h 46mMultiple Airlines

Deal found 4/21

$387

Thu 7/246:02 pmCHS - STT

2 stops18h 43mAmerican Airlines

Thu 7/314:45 pmSTT - CHS

2 stops17h 39mAmerican Airlines

Deal found 4/21

$435

Tue 6/175:15 amCHS - STT

1 stop9h 36mDelta

Tue 6/243:00 pmSTT - CHS

1 stop5h 46mDelta

Deal found 4/22

$477

Fri 8/157:00 amCHS - STT

1 stop8h 43mUnited Airlines

Tue 8/199:10 amSTT - CHS

2 stops14h 17mUnited Airlines

Deal found 4/21

$762

Last-minute flights from Charleston to Saint Thomas Island
Discover last-minute flight deals from Charleston to Saint Thomas Island. Data last updated April 22, 2025 and is based on user searches.

Mon 4/2810:32 amCHS - STT

1 stop23h 28mSpirit Airlines

Sat 5/312:29 pmSTT - CHS

1 stop20h 51mSpirit Airlines

Deal found 4/22

$571

Mon 4/2810:32 amCHS - STT

1 stop23h 28mMultiple Airlines

Sat 5/39:30 amSTT - CHS

2 stops28h 04mMultiple Airlines

Deal found 4/22

$588

Fri 5/1612:33 pmCHS - STT

2 stops21h 24mSpirit Airlines

Fri 5/2310:52 amSTT - CHS

1 stop21h 46mSpirit Airlines

Deal found 4/21

$345

Fri 5/164:30 pmCHS - STT

1 stop21h 06mMultiple Airlines

Fri 5/2310:52 amSTT - CHS

1 stop21h 46mMultiple Airlines

Deal found 4/21

$387

Tue 5/205:35 amCHS - STT

1 stop8h 06mDelta

Wed 5/282:51 pmSTT - CHS

1 stop6h 13mDelta

Deal found 4/21

$457

Tue 5/205:07 amCHS - STT

2 stops11h 13mAmerican Airlines

Wed 5/283:40 pmSTT - CHS

2 stops16h 44mAmerican Airlines

Deal found 4/21

$467

Sat 5/247:41 pmCHS - STT

1 stop16h 36mUnited Airlines

Mon 5/269:10 amSTT - CHS

2 stops14h 49mUnited Airlines

Deal found 4/21

$1,077

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 April 22, 2025.

Tue 5/610:25 amCHS - STT

1 stop23h 32mSpirit Airlines

Deal found 4/21

$193

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 5/16

12:33 pm-9:57 am

2 stops21h 24m

Saint Thomas Island Cyril E King

Fri 5/23

10:52 am-8:38 am

1 stop21h 46m

$345

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Fri 5/16

4:30 pm-1:36 pm

1 stop21h 06m

Saint Thomas Island Cyril E King

Fri 5/23

10:52 am-8:38 am

1 stop21h 46m

$387

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Thu 7/24

6:02 pm-12:45 pm

2 stops18h 43m

Saint Thomas Island Cyril E King

Thu 7/31

4:45 pm-10:24 am

2 stops17h 39m

$435

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Tue 6/17

5:15 am-2:51 pm

1 stop9h 36m

Saint Thomas Island Cyril E King

Tue 6/24

3:00 pm-8:46 pm

1 stop5h 46m

$477

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Fri 8/15

7:00 am-3:43 pm

1 stop8h 43m

Saint Thomas Island Cyril E King

Tue 8/19

9:10 am-11:27 pm

2 stops14h 17m

$762

CharlestonSaint Thomas Island

CHS - STT

CHSSTT

Charleston

Tue 5/6

10:25 am-9:57 am

1 stop23h 32m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Compare providers for flights from Charleston to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to Saint Thomas Island in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Charleston-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Charleston-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Charleston-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Charleston-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $640). 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

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,683 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,940 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Charleston to Saint Thomas Island round-trip?
Spirit Airlines, at $345, 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 41% less than the average price by searching for these airlines.
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 $640). 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$254	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$377	Average$571	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$402	Average$613	FlexibilityNo cancel fee	On-time71%

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.

$193+ 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 5/6. 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 August, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Charleston to Saint Thomas Island

Most accurate provider

Most trusted provider

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 April 22, 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 April 22, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Charleston to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to Saint Thomas Island in April.

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 April 18, 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 April 22, 2025.

Reviews of airlines servicing Saint Thomas Island

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?

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 Charleston?

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 April 22, 2025.