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

View $214 flight on Thu, Nov 6, 2025Opens in a new window

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

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

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 4 - Tue, Nov 18
ILM
Wilmington
GRB
Green Bay
$249 Roundtrip, found 4 hours ago
$249
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Nov 4 from Wilmington to Green Bay, returning Tue, Nov 18, priced at $249 found 4 hours ago
Delta
Tue, Oct 14 - Sun, Oct 26
ILM
Wilmington
GRB
Green Bay
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 14 from Wilmington to Green Bay, returning Sun, Oct 26, priced at $254 found 1 day ago
Delta
Wed, Mar 25 - Mon, Apr 6
ILM
Wilmington
GRB
Green Bay
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 25 from Wilmington to Green Bay, returning Mon, Apr 6, priced at $254 found 1 day ago
Delta
Tue, Oct 14 - Thu, Oct 30
ILM
Wilmington
GRB
Green Bay
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 14 from Wilmington to Green Bay, returning Thu, Oct 30, priced at $259 found 1 day ago
Delta
Wed, Nov 19 - Sat, Dec 6
ILM
Wilmington
GRB
Green Bay
$271 Roundtrip, found 19 hours ago
$271
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Nov 19 from Wilmington to Green Bay, returning Sat, Dec 6, priced at $271 found 19 hours ago
Delta
Mon, Nov 3 - Tue, Nov 18
ILM
Wilmington
GRB
Green Bay
$274 Roundtrip, found 4 hours ago
$274
Roundtrip
found 4 hours ago
Select Delta flight, departing Mon, Nov 3 from Wilmington to Green Bay, returning Tue, Nov 18, priced at $274 found 4 hours ago
Delta
Tue, Oct 14 - Wed, Nov 5
ILM
Wilmington
GRB
Green Bay
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 14 from Wilmington to Green Bay, returning Wed, Nov 5, priced at $276 found 1 day ago
American Airlines
Wed, Nov 5 - Wed, Nov 19
ILM
Wilmington
GRB
Green Bay
$276 Roundtrip, found 4 hours ago
$276
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Wilmington to Green Bay, returning Wed, Nov 19, priced at $276 found 4 hours ago
Delta
Mon, Oct 13 - Sun, Oct 26
ILM
Wilmington
GRB
Green Bay
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Oct 13 from Wilmington to Green Bay, returning Sun, Oct 26, priced at $279 found 1 day ago
United
Wed, Nov 5 - Wed, Nov 19
ILM
Wilmington
GRB
Green Bay
$458 Roundtrip, found 4 hours ago
$458
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Nov 5 from Wilmington to Green Bay, returning Wed, Nov 19, priced at $458 found 4 hours ago

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

February is typically the cheapest month to fly

From $209 - $593 per traveler.

Alternative airports near Green Bay

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

Select flight to Appleton Intl. ATW. Average driving time to city center is 40 minutes. Flights from $279
ATW
Appleton Intl.
Average driving time to city center40 min
Flights from $279
Flights from Wilmington (ILM) to Green Bay (GRB)
Origin airport
Wilmington Intl.
Destination airport
Austin Straubel Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
891 mi

Wilmington to Green Bay Flights

The cheapest times to fly from Wilmington to Green Bay

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

 

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

Sunday is one of the best days to book for cheap flights from Wilmington to Green Bay: 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 Wilmington to Green Bay

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 Wilmington to Green Bay 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 Wilmington to Green Bay 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 Wilmington to Green Bay 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 Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB) cost?
Get a cheap one-way flight from $214 or cheap return flight from $249 from Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB)?
Traveling in November is a great way to save, as it's the cheapest month for flights between ILM and GRB. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from ILM to GRB. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB)?
There are no daily direct flights available from Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from ILM to GRB?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, such as 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 Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB)?
To avoid possible delays on the Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB) route, travel before 3 PM. Flights after this time have a 22% higher chance of being 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 Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB) last-minute?
Last-minute fares from ILM to GRB are typically more expensive. To lock in the best rates, start searching for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an ILM to GRB flight and hotel package?
You'll generally save money by booking an ILM to GRB flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Wilmington Intl. Airport (ILM) to Austin Straubel Intl. Airport (GRB)?
Typically, you're able to cancel or reschedule your ILM to GRB flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.