$151 Cheap Flights from Wilmington (ILG) to St. Thomas (STT)

View $151 flight on Sat, Nov 29, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $151 for one-way flights and $311 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jan 26 - Mon, Feb 2
ILG
Wilmington
STT
St. Thomas
$311 Roundtrip, found 4 days ago
$311
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 26 from Wilmington to St. Thomas, returning Mon, Feb 2, priced at $311 found 4 days ago
American Airlines
Mon, Jan 26 - Mon, Feb 2
ILG
Wilmington
STT
St. Thomas
$315 Roundtrip, found 4 days ago
$315
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 26 from Wilmington to St. Thomas, returning Mon, Feb 2, priced at $315 found 4 days ago
American Airlines
Mon, Jan 26 - Mon, Feb 2
ILG
Wilmington
STT
St. Thomas
$399 Roundtrip, found 4 days ago
$399
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jan 26 from Wilmington to St. Thomas, returning Mon, Feb 2, priced at $399 found 4 days ago
American Airlines
Sun, Apr 12 - Wed, Apr 22
ILG
Wilmington
STT
St. Thomas
$403 Roundtrip, found 13 hours ago
$403
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sun, Apr 12 from Wilmington to St. Thomas, returning Wed, Apr 22, priced at $403 found 13 hours ago
American Airlines
Mon, Feb 16 - Tue, Mar 3
ILG
Wilmington
STT
St. Thomas
$428 Roundtrip, found 2 days ago
$428
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Feb 16 from Wilmington to St. Thomas, returning Tue, Mar 3, priced at $428 found 2 days ago
American Airlines
Sun, Dec 28 - Tue, Jan 13
ILG
Wilmington
STT
St. Thomas
$453 Roundtrip, found 5 days ago
$453
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Dec 28 from Wilmington to St. Thomas, returning Tue, Jan 13, priced at $453 found 5 days ago
American Airlines
Sat, Apr 11 - Wed, Apr 29
ILG
Wilmington
STT
St. Thomas
$466 Roundtrip, found 13 hours ago
$466
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sat, Apr 11 from Wilmington to St. Thomas, returning Wed, Apr 29, priced at $466 found 13 hours ago
American Airlines
Sat, Apr 11 - Tue, Apr 28
ILG
Wilmington
STT
St. Thomas
$472 Roundtrip, found 13 hours ago
$472
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sat, Apr 11 from Wilmington to St. Thomas, returning Tue, Apr 28, priced at $472 found 13 hours ago
American Airlines
Sat, Nov 1 - Sun, Nov 2
ILG
Wilmington
STT
St. Thomas
$477 Roundtrip, found 1 day ago
$477
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 1 from Wilmington to St. Thomas, returning Sun, Nov 2, priced at $477 found 1 day ago
American Airlines
Sun, Apr 12 - Sat, Apr 25
ILG
Wilmington
STT
St. Thomas
$482 Roundtrip, found 13 hours ago
$482
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sun, Apr 12 from Wilmington to St. Thomas, returning Sat, Apr 25, priced at $482 found 13 hours ago

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 $477
STT
Cyril E. King
Cheapest
Flights from $477

Frequently asked questions

How much does a flight from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT) cost?
Grab a cheap one-way flight from $151 or cheap return flight from $311 from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT)?
January is the most affordable month to fly from ILG to STT. Traveling during an off-peak travel window is often the key to finding better fares.
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 Wilmington, DE (ILG-New Castle) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ILG to STT flight.
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.

Travel information

Origin airport
New Castle
Destination airport
Cyril E. King
Airlines serving
American Airlines
Roundtrip price
$310
Distance
1605 mi

Book with confidence

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 January. 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 $151 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.

 

Wilmington to St. Thomas Flights

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*Available to One Key members.