$214 Cheap Flights from Green Bay (GRB) to Wilmington (ILM)

View $214 flight on Mon, Nov 17, 2025Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM)

Cheap Flights from Green Bay to Wilmington (GRB-ILM)

Prices were available within the past 7 days and start at $214 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 18 - Sun, Nov 23
GRB
Green Bay
ILM
Wilmington
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Green Bay to Wilmington, returning Sun, Nov 23, priced at $249 found 1 day ago
Delta
Wed, Nov 5 - Wed, Nov 19
GRB
Green Bay
ILM
Wilmington
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 5 from Green Bay to Wilmington, returning Wed, Nov 19, priced at $254 found 1 day ago
Delta
Fri, Dec 5 - Sun, Dec 7
GRB
Green Bay
ILM
Wilmington
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Dec 5 from Green Bay to Wilmington, returning Sun, Dec 7, priced at $254 found 4 days ago
Delta
Sat, Nov 1 - Thu, Nov 13
GRB
Green Bay
ILM
Wilmington
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov 1 from Green Bay to Wilmington, returning Thu, Nov 13, priced at $259 found 4 days ago
American Airlines
Wed, Nov 5 - Wed, Nov 19
GRB
Green Bay
ILM
Wilmington
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 5 from Green Bay to Wilmington, returning Wed, Nov 19, priced at $264 found 1 day ago
Delta
Fri, Nov 7 - Wed, Nov 19
GRB
Green Bay
ILM
Wilmington
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 7 from Green Bay to Wilmington, returning Wed, Nov 19, priced at $266 found 4 days ago
Delta
Tue, Feb 10 - Wed, Feb 25
GRB
Green Bay
ILM
Wilmington
$271 Roundtrip, found 3 days ago
$271
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Feb 10 from Green Bay to Wilmington, returning Wed, Feb 25, priced at $271 found 3 days ago
Delta
Fri, Nov 21 - Tue, Dec 2
GRB
Green Bay
ILM
Wilmington
$274 Roundtrip, found 4 days ago
$274
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 21 from Green Bay to Wilmington, returning Tue, Dec 2, priced at $274 found 4 days ago
Delta
Tue, Feb 10 - Wed, Feb 18
GRB
Green Bay
ILM
Wilmington
$276 Roundtrip, found 3 days ago
$276
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Feb 10 from Green Bay to Wilmington, returning Wed, Feb 18, priced at $276 found 3 days ago
United
Fri, Oct 31 - Wed, Nov 12
GRB
Green Bay
ILM
Wilmington
$334 Roundtrip, found 4 days ago
$334
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Green Bay to Wilmington, returning Wed, Nov 12, priced at $334 found 4 days ago

Find the cheapest month to fly from Green Bay (GRB) to Wilmington (ILM)

April is typically the cheapest month to fly

From $228 - $628 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 $343
ILM
Wilmington Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $343

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM) cost?
Secure a cheap one-way flight from $214 or cheap return flight from $249 from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM) 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 Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM)?
The cheapest month to fly from GRB to ILM is November, when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from GRB to ILM. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM)?
You'll have to catch a flight with a layover if you're traveling from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from GRB to ILM?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM)?
Opt for a flight from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM) that leaves before 3 PM to reduce the likelihood of delays and 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 Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM) last-minute?
Waiting until just before your departure to book your flight from GRB to ILM often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a GRB to ILM flight and hotel package?
You'll generally save money by booking a GRB to ILM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Wilmington Intl. Airport (ILM)?
In most instances, you can modify or cancel your GRB to ILM flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
Austin Straubel Intl.
Destination airport
Wilmington Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
891 mi

Book with confidence

Green Bay to Wilmington Flights

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

 

The best time to book a flight from Green Bay to Wilmington

Sunday is one of the best days to book for cheap flights from Green Bay 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 Green Bay 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 Green Bay to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $214 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 Green Bay 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 Green Bay 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.

 

Green Bay to Wilmington Flights

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*Available to One Key members.