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

Delta, United Airlines, and American 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 week?

The number of flights available between Green Bay and Illinois is 101 per week as of November 2025. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.

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 48% 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.

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

As of November 2025, there are 14 flights per day flying from Green Bay to Illinois. The most common time of day flights depart is 3:00PM, with 50% of flights taking off in the afternoon.

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 November 2025.

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 2025/26

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Cheap round-trip flights

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5:25 am - 6:51 amGRB-ORD

1h 26mnonstop

8:20 am - 9:39 amORD-GRB

1h 19mnonstop

$179American Airlines

Find Deal

Tue, Dec 23 - Tue, Dec 30

7:00 am - 8:33 amGRB-ORD

1h 33mnonstop

8:20 am - 9:39 amORD-GRB

1h 19mnonstop

$180American Airlines

Find Deal

Thu, Dec 25 - Sun, Dec 28

9:43 am - 11:06 amGRB-ORD

1h 23mnonstop

1:20 pm - 2:29 pmORD-GRB

1h 09mnonstop

$194American Airlines

Find Deal

Sat, Dec 13 - Tue, Dec 16

11:11 am - 5:26 pmGRB-MDW

6h 15m1 stop

5:59 pm - 10:15 pmMDW-GRB

4h 16m1 stop

$199Delta

Find Deal

Thu, Dec 25 - Thu, Jan 1

5:28 pm - 9:05 pmGRB-ORD

3h 37m1 stop

6:15 am - 11:21 amORD-GRB

5h 06m1 stop

$199Delta

Find Deal

Wed, Jan 14 - Sun, Jan 18

12:02 pm - 9:05 pmGRB-ORD

9h 03m2 stops

6:15 am - 11:21 amORD-GRB

5h 06m1 stop

$204Delta

Find Deal

Wed, Jan 14 - Sun, Jan 18

4:52 pm - 8:35 pmGRB-ORD

3h 43m1 stop

6:00 am - 11:33 amORD-GRB

5h 33m1 stop

$214Delta

Find Deal

Sat, Dec 13 - Tue, Dec 16

5:24 pm - 10:58 pmGRB-STL

5h 34m1 stop

3:11 pm - 7:03 pmSTL-GRB

3h 52m1 stop

$229United Airlines

Find Deal

Fri, Jan 23 - Mon, Jan 26

6:31 am - 8:05 amGRB-ORD

1h 34mnonstop

8:45 am - 10:07 amORD-GRB

1h 22mnonstop

$239United Airlines

Find Deal

Wed, Jan 14 - Sun, Jan 18

5:21 pm - 10:45 pmGRB-STL

5h 24m1 stop

6:30 am - 10:07 amSTL-GRB

3h 37m1 stop

$339United Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

American Airlines flights from Green Bay to Illinois

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

American Airlines

Dec 23

GRB5:25 amGreen Bay Austin-Straubel

1h 26m

ORD6:51 amChicago O'Hare Intl

Dec 30

ORD8:20 amChicago O'Hare Intl

1h 19m

GRB9:39 amGreen Bay Austin-Straubel

$179

Find similar

American Airlines

Dec 25

GRB7:00 amGreen Bay Austin-Straubel

1h 33m

ORD8:33 amChicago O'Hare Intl

Dec 28

ORD8:20 amChicago O'Hare Intl

1h 19m

GRB9:39 amGreen Bay Austin-Straubel

$180

Find similar

American Airlines

Dec 13

GRB9:43 amGreen Bay Austin-Straubel

1h 23m

ORD11:06 amChicago O'Hare Intl

Dec 16

ORD1:20 pmChicago O'Hare Intl

1h 09m

GRB2:29 pmGreen Bay Austin-Straubel

$194

Find similar

United Airlines flights from Green Bay to Illinois

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

United Airlines

Jan 23

GRB5:24 pmGreen Bay Austin-Straubel

5h 34m

1 stop

STL10:58 pmLambert-St Louis

Jan 26

STL3:11 pmLambert-St Louis

3h 52m

1 stop

GRB7:03 pmGreen Bay Austin-Straubel

$229

Find similar

United Airlines

Jan 14

GRB8:00 amGreen Bay Austin-Straubel

1h 33m

ORD9:33 amChicago O'Hare Intl

Jan 18

ORD8:45 amChicago O'Hare Intl

1h 22m

GRB10:07 amGreen Bay Austin-Straubel

$239

Find similar

United Airlines

Dec 9

GRB5:21 pmGreen Bay Austin-Straubel

1h 19m

ORD6:40 pmChicago O'Hare Intl

Dec 13

ORD5:50 pmChicago O'Hare Intl

1h 10m

GRB7:00 pmGreen Bay Austin-Straubel

$249

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 12/23

5:25 am-6:51 am

Nonstop1h 26m

Chicago O'Hare Intl

Tue 12/30

8:20 am-9:39 am

Nonstop1h 19m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 12/25

7:00 am-8:33 am

Nonstop1h 33m

Chicago O'Hare Intl

Sun 12/28

8:20 am-9:39 am

Nonstop1h 19m

$180

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 12/13

9:43 am-11:06 am

Nonstop1h 23m

Chicago O'Hare Intl

Tue 12/16

1:20 pm-2:29 pm

Nonstop1h 09m

$194

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Thu 12/25

11:11 am-5:26 pm

1 stop6h 15m

Chicago Midway

Thu 1/1

5:59 pm-10:15 pm

1 stop4h 16m

$199

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 1/14

5:28 pm-9:05 pm

1 stop3h 37m

Chicago O'Hare Intl

Sun 1/18

6:15 am-11:21 am

1 stop5h 06m

$199

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 1/14

12:02 pm-9:05 pm

2 stops9h 03m

Chicago O'Hare Intl

Sun 1/18

6:15 am-11:21 am

1 stop5h 06m

$204

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 12/13

4:52 pm-8:35 pm

1 stop3h 43m

Chicago O'Hare Intl

Tue 12/16

6:00 am-11:33 am

1 stop5h 33m

$214

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 1/23

5:24 pm-10:58 pm

1 stop5h 34m

Lambert-St Louis

Mon 1/26

3:11 pm-7:03 pm

1 stop3h 52m

$229

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 1/14

6:31 am-8:05 am

Nonstop1h 34m

Chicago O'Hare Intl

Sun 1/18

8:45 am-10:07 am

Nonstop1h 22m

$239

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Tue 12/9

5:21 pm-10:45 pm

1 stop5h 24m

Lambert-St Louis

Sat 12/13

6:30 am-10:07 am

1 stop3h 37m

$339

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 $441. Flights from Green Bay to Illinois on a Monday will generally be more expensive and average around $649. 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 $464. 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 15m
Direct flights	Every day
Airports in Illinois	1 airport

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 $318.

The fastest flight from Green Bay to Illinois takes 1h 15m

Direct flights go from Green Bay to Illinois every day.

There is 1 airport near Illinois: 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 November 2025.
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 Embraer 175, representing 13.68% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet at 13.68%, Airbus A320-100/200 at 13.68%, and Canadair (Bombardier) Regional Jet CRJ-550 at 13.21%.

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
American Airlines	PriceFrom $184	Free Cancellation	Rating 7.2 11,038 reviews		Search American Airlines flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.4 9,046 reviews		Search United 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.

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Popular cities in Illinois

Flights to New Yorkfrom $33

Flights to Los Angelesfrom $49

Flights to Miamifrom $48

Flights to Chicagofrom $58

Flights to Orlandofrom $48

Flights to Las Vegasfrom $49

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $38

Flights to Bostonfrom $59

Flights to Atlantafrom $48

Flights to Dallasfrom $54

Flights to Seattlefrom $58

Green Bay flight routes

Flights from Green Bay Austin-Straubel to Fort Myers SW Florida Intl

Flights from Green Bay Austin-Straubel to Detroit Metropolitan Wayne County

Flights from Green Bay Austin-Straubel to Minneapolis St Paul

Flights from Green Bay Austin-Straubel to Chicago O'Hare Intl

Flights from Green Bay Austin-Straubel to Atlanta Hartsfield-Jackson

Cheap flights from Green Bay to Illinois from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Illinois departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Green Bay to Illinois

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United Airlines flights from Green Bay to Illinois

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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

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

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 $464. 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.

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

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

What airlines fly to Illinois?

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

As of November 2025, there are 14 flights per day flying from Green Bay to Illinois. The most common time of day flights depart is 3:00PM, with 50% of flights taking off in the afternoon.

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

The number of flights available between Green Bay and Illinois is 101 per week as of November 2025. The most frequent departure day is Tue, with 20% of weekly flights leaving on this day.

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

Fastest flight time

Direct flights

Airports in Illinois

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

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

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

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

What is the most popular plane model from Green Bay to Illinois?

Best airlines flying from Green Bay to Illinois

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

Why use momondo?

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

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

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

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

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo