$268 Cheap Flights from Greenville (GSP) to St. Thomas (STT)

View $268 flight on Sat, Nov 8, 2025Opens in a new window

Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Greenville to St. Thomas (GSP-STT)

Prices were available within the past 7 days and start at $268 for one-way flights and $459 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 7 - Thu, Oct 16
GSP
Greenville
STT
St. Thomas
$459 Roundtrip, found 8 hours ago
$459
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Oct 7 from Greenville to St. Thomas, returning Thu, Oct 16, priced at $459 found 8 hours ago
American Airlines
Sat, Sep 6 - Wed, Sep 10
GSP
Greenville
STT
St. Thomas
$469 Roundtrip, found 16 hours ago
$469
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sat, Sep 6 from Greenville to St. Thomas, returning Wed, Sep 10, priced at $469 found 16 hours ago
Delta
Tue, Oct 7 - Fri, Oct 10
GSP
Greenville
STT
St. Thomas
$476 Roundtrip, found 8 hours ago
$476
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Oct 7 from Greenville to St. Thomas, returning Fri, Oct 10, priced at $476 found 8 hours ago
American Airlines
Mon, Oct 6 - Thu, Oct 9
GSP
Greenville
STT
St. Thomas
$477 Roundtrip, found 1 day ago
$477
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 6 from Greenville to St. Thomas, returning Thu, Oct 9, priced at $477 found 1 day ago
American Airlines
Tue, Oct 14 - Sat, Oct 18
GSP
Greenville
STT
St. Thomas
$478 Roundtrip, found 1 day ago
$478
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 14 from Greenville to St. Thomas, returning Sat, Oct 18, priced at $478 found 1 day ago
American Airlines
Sun, Sep 7 - Fri, Sep 12
GSP
Greenville
STT
St. Thomas
$479 Roundtrip, found 5 hours ago
$479
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sun, Sep 7 from Greenville to St. Thomas, returning Fri, Sep 12, priced at $479 found 5 hours ago
American Airlines
Sat, Aug 30 - Sat, Sep 6
GSP
Greenville
STT
St. Thomas
$484 Roundtrip, found 4 days ago
$484
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 30 from Greenville to St. Thomas, returning Sat, Sep 6, priced at $484 found 4 days ago
Delta
Tue, Oct 7 - Wed, Oct 15
GSP
Greenville
STT
St. Thomas
$489 Roundtrip, found 8 hours ago
$489
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Oct 7 from Greenville to St. Thomas, returning Wed, Oct 15, priced at $489 found 8 hours ago
Delta
Sun, Oct 5 - Wed, Oct 8
GSP
Greenville
STT
St. Thomas
$498 Roundtrip, found 1 day ago
$498
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Oct 5 from Greenville to St. Thomas, returning Wed, Oct 8, priced at $498 found 1 day ago
United
Sun, Oct 5 - Sun, Oct 12
GSP
Greenville
STT
St. Thomas
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select United flight, departing Sun, Oct 5 from Greenville to St. Thomas, returning Sun, Oct 12, priced at $549 found 1 day ago

Find the cheapest month to fly from Greenville (GSP) to St. Thomas (STT)

September is typically the cheapest month to fly

From $387 - $570 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 $702
STT
Cyril E. King
Cheapest
Flights from $702
Flights from Greenville (GSP) to St. Thomas (STT)
Origin airport
Greenville-Spartanburg Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, United
Roundtrip price
$459
Distance
1558 mi

Greenville to St. Thomas Flights

The cheapest times to fly from Greenville 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 Greenville to St. Thomas are during the month of October. You can find some of the cheapest flights from Greenville to St. Thomas with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Greenville 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 Greenville 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 Greenville to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $268 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 Greenville 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 Greenville 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 Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from GSP to STT 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 GSP to STT?
The cheapest flights from GSP to STT 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 GSP to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GSP to STT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT)?
You'll have to take a flight with a layover when traveling from Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from GSP to STT?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT)?
Book a flight from Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT) last-minute?
Waiting until just before your departure to book a flight from GSP to STT often results in higher prices. Although you may find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book a GSP to STT flight and hotel package?
Booking a GSP to STT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of accommodations and then add activities, flights and car rentals 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 Greenville-Spartanburg Intl. Airport (GSP) to Cyril E. King Airport (STT)?
In most instances, you're able to cancel or reschedule your GSP to STT flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.