Cheap Flights from Wilmington (ILG) to St. Thomas (STT)

Popular airlines from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT)

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Cheap Flights from Wilmington to St. Thomas (ILG-STT)

Prices were available within the past 7 days and start at for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Wilmington (ILG) to St. Thomas (STT)
Origin airport
New Castle
Destination airport
Cyril E. King
Airlines serving
American Airlines
Roundtrip price
$499
Distance
1605 mi

Wilmington to St. Thomas Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Wilmington 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 Wilmington 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 Wilmington 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 Wilmington 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 Wilmington 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 Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from ILG 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 ILG to STT?
The cheapest flights from ILG 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.
Which airlines fly direct from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT)?
While Wilmington, DE (ILG-New Castle) has no direct flights to Cyril E. King Airport (STT), other airports have nonstop routes. Flying from Philadelphia Intl. Airport (PHL) will get you to St. Thomas without any detours.
What is the cheapest airline that flies from ILG to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ILG to STT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT)?
Nonstop flights from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ILG to STT?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT)?
Book a flight from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 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 Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT) last-minute?
Booking your plane ticket from ILG to STT right before your getaway is generally more expensive. But if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book an ILG to STT flight and hotel package?
Opting for an ILG to STT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our extensive range of accommodations and then add car rentals, activities and flights 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 Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT)?
Typically, it's possible to reschedule or cancel your ILG to STT flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.
*Available to One Key members.