How many flights depart from Green Bay to Illinois on average per week?

The number of flights available between Green Bay and Illinois is 68 per week as of March 2026. The most frequent departure day is Wed, with 34% of weekly flights leaving on this day.

What is the cheapest airline that flies from Green Bay Austin-Straubel to Illinois?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Green Bay Austin-Straubel to Illinois

How many flights depart from Green Bay to Illinois on average per day?

As of March 2026, there are 9 flights per day flying from Green Bay to Illinois. The most common time of day flights depart is 6:00AM, with 60% of flights taking off at noon.

What airlines fly to Illinois?

American Airlines, United Airlines and Contour are the top three most popular airlines that fly to Illinois from Green Bay according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Illinois?

Prices for flights from Green Bay Austin-Straubel Airport to Illinois are updated daily.

How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Illinois?

There are 2 operators available for flights from Green Bay Austin-Straubel Airport to Illinois as of March 2026.

How old do you have to be to fly from Green Bay Austin-Straubel Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$126 Cheap Flights from Green Bay to Illinois in 2026

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Find the cheapest flights from Green Bay to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 6:02 pm

GRB

ORD

6h 02m

1 stop

6:25 am - 11:18 am

ORD

GRB

4h 53m

1 stop

$177Delta

Wed, Apr 8 - Fri, Apr 17

5:24 pm - 6:58 pm

GRB

ORD

1h 34mnonstop

3:40 pm - 4:54 pm

ORD

GRB

1h 14mnonstop

$179American Airlines

Wed, Apr 8 - Fri, Apr 17

6:01 am - 7:25 am

GRB

ORD

1h 24mnonstop

8:50 am - 9:56 am

ORD

GRB

1h 06mnonstop

$180American Airlines

Sat, Mar 21 - Sun, Mar 22

5:28 pm - 6:51 pm

GRB

ORD

1h 23mnonstop

9:45 pm - 10:58 pm

ORD

GRB

1h 13mnonstop

$193United Airlines

Fri, Mar 27 - Fri, Apr 3

6:38 pm - 7:59 pm

GRB

ORD

1h 21mnonstop

6:40 pm - 7:42 pm

ORD

GRB

1h 02mnonstop

$194American Airlines

Tue, Mar 17 - Tue, Mar 24

7:00 am - 12:42 pm

GRB

MDW

5h 42m

1 stop

9:23 am - 3:39 pm

MDW

GRB

6h 16m

1 stop

$197Delta

Mon, May 25 - Sat, May 30

7:00 am - 10:27 am

GRB

ORD

3h 27m

1 stop

6:24 am - 11:13 am

ORD

GRB

4h 49m

1 stop

$197Delta

Mon, May 25 - Thu, May 28

7:30 am - 9:00 am

GRB

ORD

1h 30mnonstop

10:22 pm - 11:31 pm

ORD

GRB

1h 09mnonstop

$199American Airlines

Wed, Apr 8 - Fri, Apr 17

3:43 pm - 5:05 pm

GRB

ORD

1h 22mnonstop

5:45 pm - 6:52 pm

ORD

GRB

1h 07mnonstop

$209United Airlines

Tue, Mar 17 - Sat, Mar 21

5:28 pm - 9:58 pm

GRB

STL

4h 30m

1 stop

6:30 am - 10:00 am

STL

GRB

3h 30m

1 stop

$259United Airlines

Fri, Mar 27 - Mon, Mar 30

American Airlines flights from Green Bay to Illinois

Our best American Airlines deals on Green Bay to Illinois flight tickets

American Airlines

Apr 8

GRB5:40 amGreen Bay Austin-Straubel

1h 29m

ORD7:09 amChicago O'Hare Intl

Apr 17

ORD3:40 pmChicago O'Hare Intl

1h 14m

GRB4:54 pmGreen Bay Austin-Straubel

$179

American Airlines

Mar 21

GRB6:01 amGreen Bay Austin-Straubel

1h 24m

ORD7:25 amChicago O'Hare Intl

Mar 22

ORD8:50 amChicago O'Hare Intl

1h 06m

GRB9:56 amGreen Bay Austin-Straubel

$180

American Airlines

Mar 17

GRB6:38 pmGreen Bay Austin-Straubel

1h 21m

ORD7:59 pmChicago O'Hare Intl

Mar 24

ORD6:40 pmChicago O'Hare Intl

1h 02m

GRB7:42 pmGreen Bay Austin-Straubel

$194

United Airlines flights from Green Bay to Illinois

Our best United Airlines deals on Green Bay to Illinois flight tickets

United Airlines

Mar 27

GRB5:28 pmGreen Bay Austin-Straubel

1h 23m

ORD6:51 pmChicago O'Hare Intl

Apr 3

ORD9:45 pmChicago O'Hare Intl

1h 13m

GRB10:58 pmGreen Bay Austin-Straubel

$193

United Airlines

Mar 17

GRB3:43 pmGreen Bay Austin-Straubel

1h 22m

ORD5:05 pmChicago O'Hare Intl

Mar 21

ORD5:45 pmChicago O'Hare Intl

1h 07m

GRB6:52 pmGreen Bay Austin-Straubel

$209

United Airlines

May 5

GRB3:48 pmGreen Bay Austin-Straubel

1h 17m

ORD5:05 pmChicago O'Hare Intl

May 9

ORD5:45 pmChicago O'Hare Intl

1h 16m

GRB7:01 pmGreen Bay Austin-Straubel

$239

Fly from

Fly to

Route

Depart

Return

Price

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 4/8

12:00 pm-6:02 pm

1 stop6h 02m

Chicago O'Hare Intl

Fri 4/17

6:25 am-11:18 am

1 stop4h 53m

$177

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 4/8

5:24 pm-6:58 pm

Nonstop1h 34m

Chicago O'Hare Intl

Fri 4/17

3:40 pm-4:54 pm

Nonstop1h 14m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 3/21

6:01 am-7:25 am

Nonstop1h 24m

Chicago O'Hare Intl

Sun 3/22

8:50 am-9:56 am

Nonstop1h 06m

$180

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 3/27

5:28 pm-6:51 pm

Nonstop1h 23m

Chicago O'Hare Intl

Fri 4/3

9:45 pm-10:58 pm

Nonstop1h 13m

$193

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 3/17

6:38 pm-7:59 pm

Nonstop1h 21m

Chicago O'Hare Intl

Tue 3/24

6:40 pm-7:42 pm

Nonstop1h 02m

$194

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Mon 5/25

7:00 am-12:42 pm

1 stop5h 42m

Chicago Midway

Sat 5/30

9:23 am-3:39 pm

1 stop6h 16m

$197

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Mon 5/25

7:00 am-10:27 am

1 stop3h 27m

Chicago O'Hare Intl

Thu 5/28

6:24 am-11:13 am

1 stop4h 49m

$197

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 4/8

7:30 am-9:00 am

Nonstop1h 30m

Chicago O'Hare Intl

Fri 4/17

10:22 pm-11:31 pm

Nonstop1h 09m

$199

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 3/17

3:43 pm-5:05 pm

Nonstop1h 22m

Chicago O'Hare Intl

Sat 3/21

5:45 pm-6:52 pm

Nonstop1h 07m

$209

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 3/27

5:28 pm-9:58 pm

1 stop4h 30m

Lambert-St Louis

Mon 3/30

6:30 am-10:00 am

1 stop3h 30m

$259

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Green Bay to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Green Bay to Illinois is on a Saturday when prices can be found for as low as $429. Flights from Green Bay to Illinois on a Monday will generally be more expensive and average around $660. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Green Bay to Illinois during this time can be as low as $461. Flights in the evening are often more expensive with an average ticket price of $679.

What is the cheapest Green Bay Austin-Straubel to Illinois flight route?

Fly from Green Bay Austin-Straubel to Chicago O'Hare Intl for the best Green Bay Austin-Straubel - Illinois flight prices

What cabin class options are available on Green Bay Austin-Straubel to Illinois flights?

There are 4 cabin classes available to choose from on Green Bay Austin-Straubel to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Green Bay to Illinois flights?

No. A direct flight is the cheapest option for a flight between Green Bay to Illinois.

Cheap Green Bay to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Illinois

Best Price Found	$263
Fastest flight time	1h 17m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Green Bay in the past 72 hours is $263. The best round-trip flight deal from Green Bay to Illinois found on momondo in the last 72 hours is $339.

The fastest flight from Green Bay to Illinois takes 1h 17m

Direct flights go from Green Bay to Illinois every day.

There are 98 airports in Illinois. From Green Bay there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Illinois?
Prices for flights from Green Bay Austin-Straubel Airport to Illinois are updated daily.
How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Illinois?
There are 2 operators available for flights from Green Bay Austin-Straubel Airport to Illinois as of March 2026.
How old do you have to be to fly from Green Bay Austin-Straubel Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Green Bay to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Green Bay to Illinois is Canadair (Bombardier) Regional Jet CRJ-550, representing 14.76% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 13.33%, Embraer 170 at 12.86%, and Canadair (Bombardier) Regional Jet at 12.86%.

Best airlines flying from Green Bay to Illinois

Compare and see reviews for airlines that fly from Green Bay to Illinois with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 9,382 reviews		Search United Airlines flights
American Airlines	PriceFrom $184	Free Cancellation	Rating 7.1 11,378 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Green Bay to Illinois for you.

Can I find flights from Green Bay to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Green Bay on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Green Bay to Illinois?

Once all potential Green Bay to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Green Bay to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Green Bay to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.