$89 Cheap Flights from Jacksonville (JAX) to St. Thomas (STT)

View $89 flight on Fri, Jul 11, 2025Opens in a new window

Popular airlines from Jacksonville International Airport (JAX) to Cyril E. King Airport (STT)

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Cheap Flights from Jacksonville to St. Thomas (JAX-STT)

Prices were available within the past 7 days and start at $89 for one-way flights and $386 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jul 21 - Wed, Jul 30
JAX
Jacksonville
STT
St. Thomas
$386 Roundtrip, found 7 hours ago
$386
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Jacksonville to St. Thomas, returning Wed, Jul 30, priced at $386 found 7 hours ago
Frontier Airlines
Mon, Jul 21 - Thu, Jul 24
JAX
Jacksonville
STT
St. Thomas
$391 Roundtrip, found 14 hours ago
$391
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Jacksonville to St. Thomas, returning Thu, Jul 24, priced at $391 found 14 hours ago
Frontier Airlines
Fri, Jul 18 - Mon, Jul 21
JAX
Jacksonville
STT
St. Thomas
$401 Roundtrip, found 1 hour ago
$401
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Jul 18 from Jacksonville to St. Thomas, returning Mon, Jul 21, priced at $401 found 1 hour ago
Frontier Airlines
Mon, Jul 21 - Thu, Jul 24
JAX
Jacksonville
STT
St. Thomas
$407 Roundtrip, found 14 hours ago
$407
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Jacksonville to St. Thomas, returning Thu, Jul 24, priced at $407 found 14 hours ago
Frontier Airlines
Fri, Jul 25 - Tue, Jul 29
JAX
Jacksonville
STT
St. Thomas
$431 Roundtrip, found 9 hours ago
$431
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Jul 25 from Jacksonville to St. Thomas, returning Tue, Jul 29, priced at $431 found 9 hours ago
Frontier Airlines
Fri, Aug 1 - Mon, Aug 4
JAX
Jacksonville
STT
St. Thomas
$433 Roundtrip, found 22 hours ago
$433
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Jacksonville to St. Thomas, returning Mon, Aug 4, priced at $433 found 22 hours ago
JetBlue Airways
Tue, Aug 26 - Sat, Aug 30
JAX
Jacksonville
STT
St. Thomas
$435 Roundtrip, found 11 hours ago
$435
Roundtrip
found 11 hours ago
Select JetBlue Airways flight, departing Tue, Aug 26 from Jacksonville to St. Thomas, returning Sat, Aug 30, priced at $435 found 11 hours ago
Delta
Sun, Oct 5 - Wed, Oct 22
JAX
Jacksonville
STT
St. Thomas
$446 Roundtrip, found 22 hours ago
$446
Roundtrip
found 22 hours ago
Select Delta flight, departing Sun, Oct 5 from Jacksonville to St. Thomas, returning Wed, Oct 22, priced at $446 found 22 hours ago
American Airlines
Thu, Oct 30 - Sun, Nov 2
JAX
Jacksonville
STT
St. Thomas
$447 Roundtrip, found 7 hours ago
$447
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Jacksonville to St. Thomas, returning Sun, Nov 2, priced at $447 found 7 hours ago
United
Sat, Oct 18 - Sat, Oct 25
JAX
Jacksonville
STT
St. Thomas
$459 Roundtrip, found 10 hours ago
$459
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 18 from Jacksonville to St. Thomas, returning Sat, Oct 25, priced at $459 found 10 hours ago

Find the cheapest month to fly from Jacksonville (JAX) to St. Thomas (STT)

August is typically the cheapest month to fly

From $210 - $531 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 $583
STT
Cyril E. King
Cheapest
Flights from $583
Flights from Jacksonville (JAX) to St. Thomas (STT)
Origin airport
Jacksonville Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$385
Distance
1342 mi

Jacksonville to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Jacksonville 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 Jacksonville 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 Jacksonville to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from $89 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 Jacksonville 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 Jacksonville 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 Jacksonville Intl. Airport (JAX) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from JAX 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 JAX to STT?
The cheapest flights from JAX 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 JAX to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from JAX to STT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Jacksonville Intl. Airport (JAX) to Cyril E. King Airport (STT)?
You'll have to hop on a flight with a layover when traveling from Jacksonville Intl. Airport (JAX) to Cyril E. King Airport (STT). Direct flights don't operate daily on this route. However, simply 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 JAX to STT?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, season 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 Jacksonville Intl. Airport (JAX) to Cyril E. King Airport (STT)?
To reach Cyril E. King Airport (STT) on schedule, opt for a flight that leaves from Jacksonville Intl. Airport (JAX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Jacksonville Intl. Airport (JAX) to Cyril E. King Airport (STT) last-minute?
Waiting until just before your departure to book your flight from JAX to STT generally means paying more. While it's possible to find some last-minute discounts, there's no guarantee. Keep your travel schedule open to boost your chances of snagging a bargain.
Is it cheaper to book a JAX to STT flight and hotel package?
Securing a JAX to STT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Jacksonville Intl. Airport (JAX) to Cyril E. King Airport (STT)?
If you reserved your JAX to STT flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.