Cheap Flights from Louisville (SDF) to Wilmington (ILG)

Popular airlines from Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle)

  • 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 Louisville to Wilmington (SDF-ILG)

Prices were available within the past 7 days and start at for one-way flights and $461 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 13 - Mon, Dec 15
SDF
Louisville
ILG
Wilmington
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Louisville to Wilmington, returning Mon, Dec 15, priced at $461 found 2 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
SDF
Louisville
ILG
Wilmington
$464 Roundtrip, found 2 days ago
$464
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Louisville to Wilmington, returning Mon, Dec 15, priced at $464 found 2 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
SDF
Louisville
ILG
Wilmington
$474 Roundtrip, found 2 days ago
$474
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Louisville to Wilmington, returning Mon, Dec 15, priced at $474 found 2 days ago
American Airlines
Tue, Oct 7 - Tue, Oct 14
SDF
Louisville
ILG
Wilmington
$476 Roundtrip, found 1 day ago
$476
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 7 from Louisville to Wilmington, returning Tue, Oct 14, priced at $476 found 1 day ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$478 Roundtrip, found 4 days ago
$478
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $478 found 4 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
SDF
Louisville
ILG
Wilmington
$484 Roundtrip, found 2 days ago
$484
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Louisville to Wilmington, returning Mon, Dec 15, priced at $484 found 2 days ago
American Airlines
Tue, Sep 9 - Tue, Sep 16
SDF
Louisville
ILG
Wilmington
$486 Roundtrip, found 3 days ago
$486
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 9 from Louisville to Wilmington, returning Tue, Sep 16, priced at $486 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$488 Roundtrip, found 4 days ago
$488
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $488 found 4 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
SDF
Louisville
ILG
Wilmington
$494 Roundtrip, found 2 days ago
$494
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Louisville to Wilmington, returning Mon, Dec 15, priced at $494 found 2 days ago
American Airlines
Sat, Sep 20 - Sat, Sep 27
SDF
Louisville
ILG
Wilmington
$495 Roundtrip, found 5 days ago
$495
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Sep 20 from Louisville to Wilmington, returning Sat, Sep 27, priced at $495 found 5 days ago
American Airlines
Tue, Sep 9 - Sat, Sep 13
SDF
Louisville
ILG
Wilmington
$496 Roundtrip, found 3 days ago
$496
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 9 from Louisville to Wilmington, returning Sat, Sep 13, priced at $496 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$498 Roundtrip, found 14 hours ago
$498
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $498 found 14 hours ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$498 Roundtrip, found 14 hours ago
$498
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $498 found 14 hours ago
American Airlines
Tue, Oct 7 - Wed, Oct 15
SDF
Louisville
ILG
Wilmington
$504 Roundtrip, found 1 day ago
$504
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 7 from Louisville to Wilmington, returning Wed, Oct 15, priced at $504 found 1 day ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$504 Roundtrip, found 2 days ago
$504
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $504 found 2 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$508 Roundtrip, found 14 hours ago
$508
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $508 found 14 hours ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$508 Roundtrip, found 4 days ago
$508
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $508 found 4 days ago
American Airlines
Mon, Sep 8 - Tue, Sep 16
SDF
Louisville
ILG
Wilmington
$516 Roundtrip, found 3 days ago
$516
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 8 from Louisville to Wilmington, returning Tue, Sep 16, priced at $516 found 3 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $518 found 2 days ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
SDF
Louisville
ILG
Wilmington
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 4 from Louisville to Wilmington, returning Sat, Oct 11, priced at $518 found 2 days ago

Alternative airports near Wilmington

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

Select flight to Philadelphia Intl. PHL. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $436
PHL
Philadelphia Intl.
Cheapest
Average driving time to city center28 min
Flights from $436
Flights from Louisville (SDF) to Wilmington (ILG)
Origin airport
Louisville Intl.
Destination airport
New Castle
Roundtrip price
$460
Distance
554 mi

Louisville to Wilmington Flights

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

 

The best time to book a flight from Louisville to Wilmington

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Wilmington 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 Louisville 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 Louisville 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.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle) cost?
Secure a cheap one-way flight or cheap return flight from $461 from Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle) 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 Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle)?
The cheapest month to fly from SDF to ILG is December, when demand is low. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle)?
To find the cheapest airline that'll fly you from SDF to ILG, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin 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 Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle)?
There are no daily nonstop flights available from Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SDF to ILG?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based 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 Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle)?
Book a flight from Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time 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 Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle) last-minute?
Booking your plane ticket from SDF to ILG shortly before your journey is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Wilmington, DE (ILG-New Castle)?
Typically, you can modify or cancel your SDF to ILG flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need more details, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.