$119 Cheap Flights from Chicago (ORD) to Wilmington (ILG)

View $119 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle)

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Cheap Flights from Chicago to Wilmington (ORD-ILG)

Prices were available within the past 7 days and start at $119 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 13 - Wed, Dec 17
ORD
Chicago
ILG
Wilmington
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Wilmington, returning Wed, Dec 17, priced at $139 found 4 days ago
American Airlines
Sat, Dec 13 - Wed, Dec 17
ORD
Chicago
ILG
Wilmington
$149 Roundtrip, found 4 days ago
$149
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Wilmington, returning Wed, Dec 17, priced at $149 found 4 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
ORD
Chicago
ILG
Wilmington
$169 Roundtrip, found 4 days ago
$169
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Wilmington, returning Mon, Dec 15, priced at $169 found 4 days ago
American Airlines
Tue, Dec 9 - Fri, Dec 12
ORD
Chicago
ILG
Wilmington
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 9 from Chicago to Wilmington, returning Fri, Dec 12, priced at $179 found 4 days ago
American Airlines
Mon, Dec 8 - Fri, Dec 12
ORD
Chicago
ILG
Wilmington
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Dec 8 from Chicago to Wilmington, returning Fri, Dec 12, priced at $199 found 4 days ago
American Airlines
Sat, Dec 13 - Wed, Dec 17
ORD
Chicago
ILG
Wilmington
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Wilmington, returning Wed, Dec 17, priced at $209 found 4 days ago
American Airlines
Sat, Dec 13 - Wed, Dec 17
ORD
Chicago
ILG
Wilmington
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Wilmington, returning Wed, Dec 17, priced at $209 found 4 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
ORD
Chicago
ILG
Wilmington
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Wilmington, returning Mon, Dec 15, priced at $214 found 4 days ago
American Airlines
Mon, Nov 24 - Tue, Dec 2
ORD
Chicago
ILG
Wilmington
$228 Roundtrip, found 4 hours ago
$228
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Chicago to Wilmington, returning Tue, Dec 2, priced at $228 found 4 hours ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
ORD
Chicago
ILG
Wilmington
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 13 from Chicago to Wilmington, returning Mon, Dec 15, priced at $239 found 4 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 $118
PHL
Philadelphia Intl.
Cheapest
Average driving time to city center28 min
Flights from $118

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle) cost?
Secure a cheap one-way flight from $119 or cheap return flight from $139 from O'Hare Intl. Airport (ORD) 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 O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle)?
December is the least expensive month to fly from ORD to ILG. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ORD to ILG flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle)?
You'll need to hop on a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ORD to ILG?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year 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 O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle)?
To avoid potential delays on the O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle) route, travel before 3 PM. Departures after this hour are 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 O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle) last-minute?
Last-minute fares from ORD to ILG are generally more expensive. To secure the cheapest rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Wilmington, DE (ILG-New Castle)?
Typically, it's possible to cancel or reschedule your ORD to ILG flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
New Castle
Airlines serving
American Airlines
Roundtrip price
$139
Distance
662 mi

Book with confidence

Chicago to Wilmington Flights

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

 

The best time to book a flight from Chicago to Wilmington

Sunday is one of the best days to book for cheap flights from Chicago 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 Chicago 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 Chicago to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 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 Chicago 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 Chicago 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.

 

Chicago to Wilmington Flights

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*Available to One Key members.