$122 Cheap Flights from Green Bay (GRB) to Rockford (RFD)

View $122 flight on Tue, Dec 23, 2025Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford)

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Cheap Flights from Green Bay to Rockford (GRB-RFD)

Prices were available within the past 7 days and start at $122 for one-way flights and $176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jan 7 - Sat, Jan 10
GRB
Green Bay
RFD
Rockford
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jan 7 from Green Bay to Rockford, returning Sat, Jan 10, priced at $176 found 1 day ago
American Airlines
Fri, Dec 12 - Tue, Jan 6
GRB
Green Bay
RFD
Rockford
$191 Roundtrip, found 5 days ago
$191
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 12 from Green Bay to Rockford, returning Tue, Jan 6, priced at $191 found 5 days ago
American Airlines
Sat, Dec 27 - Sun, Dec 28
GRB
Green Bay
RFD
Rockford
$201 Roundtrip, found 6 days ago
$201
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 27 from Green Bay to Rockford, returning Sun, Dec 28, priced at $201 found 6 days ago
American Airlines
Fri, Dec 12 - Tue, Dec 16
GRB
Green Bay
RFD
Rockford
$221 Roundtrip, found 3 days ago
$221
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec 12 from Green Bay to Rockford, returning Tue, Dec 16, priced at $221 found 3 days ago
American Airlines
Sat, Dec 27 - Sun, Dec 28
GRB
Green Bay
RFD
Rockford
$225 Roundtrip, found 6 days ago
$225
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 27 from Green Bay to Rockford, returning Sun, Dec 28, priced at $225 found 6 days ago
American Airlines
Fri, Dec 12 - Tue, Dec 16
GRB
Green Bay
RFD
Rockford
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec 12 from Green Bay to Rockford, returning Tue, Dec 16, priced at $230 found 3 days ago
American Airlines
Thu, Dec 11 - Mon, Dec 15
GRB
Green Bay
RFD
Rockford
$235 Roundtrip, found 14 hours ago
$235
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Dec 11 from Green Bay to Rockford, returning Mon, Dec 15, priced at $235 found 14 hours ago
American Airlines
Sat, Dec 27 - Sun, Dec 28
GRB
Green Bay
RFD
Rockford
$238 Roundtrip, found 6 days ago
$238
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 27 from Green Bay to Rockford, returning Sun, Dec 28, priced at $238 found 6 days ago
American Airlines
Mon, Feb 9 - Thu, Feb 12
GRB
Green Bay
RFD
Rockford
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Feb 9 from Green Bay to Rockford, returning Thu, Feb 12, priced at $243 found 1 day ago
American Airlines
Fri, Dec 12 - Tue, Jan 6
GRB
Green Bay
RFD
Rockford
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Dec 12 from Green Bay to Rockford, returning Tue, Jan 6, priced at $250 found 5 days ago
Flights from Green Bay (GRB) to Rockford (RFD)
Origin airport
Austin Straubel Intl.
Destination airport
Greater Rockford
Airlines serving
American Airlines
Roundtrip price
$176
Distance
165 mi

Green Bay to Rockford Flights

The cheapest times to fly from Green Bay to Rockford

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

 

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

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

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 Rockford in 2026. You can also book with separate airlines for your outbound and return journeys, from $122 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 Rockford 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 Rockford 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 Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford) cost?
Secure a cheap one-way flight from $122 or cheap return flight from $176 from Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford) 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 Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford)?
The cheapest month to fly from GRB to RFD is January, when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford)?
To find the cheapest airline that'll fly you from GRB to RFD, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford)?
Direct flights from Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GRB to RFD?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Rockford, IL (RFD-Greater Rockford)?
To avoid possible delays on the Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford) route, aim to travel before 3 PM. Later flights 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 Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford) last-minute?
Booking your ticket from GRB to RFD shortly before your trip is usually more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Rockford, IL (RFD-Greater Rockford)?
Typically, you can cancel or modify your GRB to RFD flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, visit our Customer Service portal.

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*Available to One Key members.