$126 Cheap Flights from Sioux Falls (FSD) to Wilmington (ILM)

View $126 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM)

Cheap Flights from Sioux Falls to Wilmington (FSD-ILM)

Prices were available within the past 7 days and start at $126 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 24 - Wed, Dec 3
FSD
Sioux Falls
ILM
Wilmington
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from Sioux Falls to Wilmington, returning Wed, Dec 3, priced at $263 found 1 day ago
Delta
Sat, May 9 - Sat, May 16
FSD
Sioux Falls
ILM
Wilmington
$314 Roundtrip, found 6 days ago
$314
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, May 9 from Sioux Falls to Wilmington, returning Sat, May 16, priced at $314 found 6 days ago
American Airlines
Sat, May 9 - Sat, May 16
FSD
Sioux Falls
ILM
Wilmington
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 9 from Sioux Falls to Wilmington, returning Sat, May 16, priced at $319 found 6 days ago
American Airlines
Thu, Jan 29 - Wed, Feb 4
FSD
Sioux Falls
ILM
Wilmington
$320 Roundtrip, found 10 hours ago
$320
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Jan 29 from Sioux Falls to Wilmington, returning Wed, Feb 4, priced at $320 found 10 hours ago
Delta
Fri, Nov 28 - Wed, Dec 3
FSD
Sioux Falls
ILM
Wilmington
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Nov 28 from Sioux Falls to Wilmington, returning Wed, Dec 3, priced at $323 found 1 day ago
American Airlines
Thu, Jan 29 - Wed, Feb 4
FSD
Sioux Falls
ILM
Wilmington
$330 Roundtrip, found 10 hours ago
$330
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Jan 29 from Sioux Falls to Wilmington, returning Wed, Feb 4, priced at $330 found 10 hours ago
Delta
Mon, Nov 24 - Thu, Nov 27
FSD
Sioux Falls
ILM
Wilmington
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from Sioux Falls to Wilmington, returning Thu, Nov 27, priced at $344 found 1 day ago
American Airlines
Thu, Jan 29 - Wed, Feb 4
FSD
Sioux Falls
ILM
Wilmington
$349 Roundtrip, found 10 hours ago
$349
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Thu, Jan 29 from Sioux Falls to Wilmington, returning Wed, Feb 4, priced at $349 found 10 hours ago
Delta
Mon, Nov 17 - Mon, Nov 24
FSD
Sioux Falls
ILM
Wilmington
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Nov 17 from Sioux Falls to Wilmington, returning Mon, Nov 24, priced at $354 found 4 days ago
United
Wed, Dec 31 - Tue, Jan 6
FSD
Sioux Falls
ILM
Wilmington
$508 Roundtrip, found 5 days ago
$508
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 31 from Sioux Falls to Wilmington, returning Tue, Jan 6, priced at $508 found 5 days ago

Find the cheapest month to fly from Sioux Falls (FSD) to Wilmington (ILM)

April is typically the cheapest month to fly

From $209 - $713 per traveler.

Alternative airports near Wilmington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Wilmington Intl. ILM. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $400
ILM
Wilmington Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $400

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM) cost?
Snag a cheap one-way flight from $126 or cheap return flight from $263 from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM)?
Flying in November is a great way to save, as it's the cheapest month for flights between FSD and ILM. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM)?
To find the cheapest airline that'll fly you from FSD to ILM, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM)?
Nonstop flights from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FSD to ILM?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier 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 Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM)?
Choose a flight from Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM) that leaves before 3 PM to reduce the risk of cancellations. 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 Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM) last-minute?
Waiting until right before your break to book a ticket from FSD to ILM generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a FSD to ILM flight and hotel package?
Booking a FSD to ILM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of hotels and then add flights, car rentals and activities 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 Sioux Falls Regional Airport (FSD) to Wilmington Intl. Airport (ILM)?
In most instances, you can cancel or reschedule your FSD to ILM flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Sioux Falls Regional
Destination airport
Wilmington Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$263
Distance
1194 mi

Book with confidence

Sioux Falls to Wilmington Flights

The cheapest times to fly from Sioux Falls to Wilmington

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 Sioux Falls to Wilmington are during the month of November. You can find some of the cheapest flights from Sioux Falls to Wilmington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sioux Falls to Wilmington

Sunday is one of the best days to book for cheap flights from Sioux Falls to Wilmington: 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 Sioux Falls to Wilmington

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 Sioux Falls to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 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 Sioux Falls to Wilmington 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 Sioux Falls to Wilmington 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.

 

Sioux Falls to Wilmington Flights

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*Available to One Key members.