$235 Cheap Flights from Knoxville (TYS) to Wilmington (ILG)

Popular airlines from McGhee Tyson Airport (TYS) to Wilmington, DE (ILG-New Castle)

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Find available prices by choosing your travel dates.

Cheap Flights from Knoxville to Wilmington (TYS-ILG)

Prices were available within the past 7 days and start at $235 for one-way flights and $374 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Flights from Knoxville (TYS) to Wilmington (ILG)
Origin airport
McGhee Tyson
Destination airport
New Castle
Airlines serving
American Airlines
Roundtrip price
$374
Distance
530 mi

Knoxville to Wilmington Flights

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

The best time to book a flight from Knoxville to Wilmington

Sunday is one of the best days to book for cheap flights from Knoxville 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 Knoxville 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 Knoxville to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $235 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 Knoxville 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 Knoxville 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

Is it cheaper to buy a plane ticket from TYS to ILG last minute?
When it comes to booking your flights, being organized pays off. While you could pick up a deal on a Knoxville Airport to ILG flight at the last minute, prices usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international flights it’s three to four months.
What airports do you fly into for New Castle from Knoxville?
With Wilmington, DE (ILG-New Castle), Philadelphia Intl. Airport (PHL) and Lancaster Airport (LNS) to choose from, getting from Knoxville to New Castle is easy. The city’s main terminal, Wilmington, DE (ILG-New Castle), is around 2 mi northwest of the downtown area. As well as the price of fares, consider things like bus or train options from the airport and the distance to your hotel before making your choice. Get your New Castle adventure off to an exciting start by checking out Fort Delaware State Park and Wilmington Riverwalk.
Can I change the date of my flight from TYS to ILG?
It’s a breeze to make changes to your Knoxville Airport to ILG journey yourself. Simply log in to the Expedia Trips portal and tap “change flight.” Look for new flights and secure the one that fits your new plans. You’ll see an estimate of flight change fees that may apply. You can also use our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

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