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

American Airlines, Delta, 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 September 2025, there are 16 flights per day flying from Green Bay to Illinois. The most common time of day flights depart is 6:00AM, with 51% 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 118 per week as of September 2025. The most frequent departure day is Mon, with 17% 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 51% 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 3 operators available for flights from Green Bay Austin-Straubel Airport to Illinois as of September 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.

$179 Cheap Flights from Green Bay to Illinois in 2025/26

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Find the cheapest flights from Green Bay to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:08 pm - 9:28 pmGRB-ORD

1h 20mnonstop

8:10 am - 9:14 amORD-GRB

1h 04mnonstop

$179American Airlines

Find Deal

Thu, Oct 16 - Sun, Oct 19

1:20 pm - 2:40 pmGRB-ORD

1h 20mnonstop

3:35 pm - 4:50 pmORD-GRB

1h 15mnonstop

$184United Airlines

Find Deal

Thu, Oct 9 - Sun, Oct 12

6:05 am - 1:03 pmGRB-MDW

6h 58m1 stop

9:20 am - 3:36 pmMDW-GRB

6h 16m1 stop

$209Delta

Find Deal

Sat, Oct 4 - Wed, Oct 8

5:01 pm - 9:34 pmGRB-ORD

4h 33m1 stop

7:10 am - 10:26 amORD-GRB

3h 16m1 stop

$209Delta

Find Deal

Sat, Oct 4 - Wed, Oct 8

5:22 pm - 6:48 pmGRB-ORD

1h 26mnonstop

5:50 pm - 7:03 pmORD-GRB

1h 13mnonstop

$210United Airlines

Find Deal

Sat, Dec 20 - Fri, Jan 23

7:02 am - 5:35 pmGRB-MDW

10h 33m2 stops

9:20 am - 3:36 pmMDW-GRB

6h 16m1 stop

$214Delta

Find Deal

Sat, Oct 4 - Wed, Oct 8

6:05 am - 1:43 pmGRB-ORD

7h 38m2 stops

7:10 am - 10:26 amORD-GRB

3h 16m1 stop

$214Delta

Find Deal

Sat, Oct 4 - Wed, Oct 8

7:02 am - 12:28 pmGRB-MDW

5h 26m1 stop

9:20 am - 3:36 pmMDW-GRB

6h 16m1 stop

$219Delta

Find Deal

Thu, Oct 2 - Wed, Oct 8

11:06 am - 12:29 pmGRB-ORD

1h 23mnonstop

7:19 pm - 8:29 pmORD-GRB

1h 10mnonstop

$224American Airlines

Find Deal

Wed, Dec 3 - Sat, Dec 6

6:15 am - 10:49 amGRB-STL

4h 34m1 stop

12:25 pm - 4:50 pmSTL-GRB

4h 25m1 stop

$279United Airlines

Find Deal

Fri, Oct 10 - Sun, Oct 12

United Airlines flights from Green Bay to Illinois

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

United Airlines

Oct 9

GRB1:20 pmGreen Bay Austin-Straubel

1h 20m

ORD2:40 pmChicago O'Hare Intl

Oct 12

ORD3:35 pmChicago O'Hare Intl

1h 15m

GRB4:50 pmGreen Bay Austin-Straubel

$184

Find similar

United Airlines

Dec 20

GRB5:22 pmGreen Bay Austin-Straubel

1h 26m

ORD6:48 pmChicago O'Hare Intl

Jan 23

ORD5:50 pmChicago O'Hare Intl

1h 13m

GRB7:03 pmGreen Bay Austin-Straubel

$210

Find similar

United Airlines

Sep 24

GRB1:22 pmGreen Bay Austin-Straubel

1h 20m

ORD2:42 pmChicago O'Hare Intl

Oct 8

ORD11:30 amChicago O'Hare Intl

1h 14m

GRB12:44 pmGreen Bay Austin-Straubel

$232

Find similar

Delta flights from Green Bay to Illinois

Our best Delta deals on Green Bay to Illinois flight tickets

Delta

Oct 4

GRB5:01 pmGreen Bay Austin-Straubel

4h 33m

1 stop

ORD9:34 pmChicago O'Hare Intl

Oct 8

ORD7:10 amChicago O'Hare Intl

3h 16m

1 stop

GRB10:26 amGreen Bay Austin-Straubel

$209

Find similar

Delta

Oct 4

GRB6:05 amGreen Bay Austin-Straubel

7h 38m

2 stops

ORD1:43 pmChicago O'Hare Intl

Oct 8

ORD7:10 amChicago O'Hare Intl

3h 16m

1 stop

GRB10:26 amGreen Bay Austin-Straubel

$214

Find similar

Delta

Oct 2

GRB5:01 pmGreen Bay Austin-Straubel

3h 19m

1 stop

ORD8:20 pmChicago O'Hare Intl

Oct 8

ORD11:02 amChicago O'Hare Intl

4h 34m

1 stop

GRB3:36 pmGreen Bay Austin-Straubel

$219

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 10/16

8:08 pm-9:28 pm

Nonstop1h 20m

Chicago O'Hare Intl

Sun 10/19

8:10 am-9:14 am

Nonstop1h 04m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 10/9

1:20 pm-2:40 pm

Nonstop1h 20m

Chicago O'Hare Intl

Sun 10/12

3:35 pm-4:50 pm

Nonstop1h 15m

$184

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Sat 10/4

6:05 am-1:03 pm

1 stop6h 58m

Chicago Midway

Wed 10/8

9:20 am-3:36 pm

1 stop6h 16m

$209

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 10/4

5:01 pm-9:34 pm

1 stop4h 33m

Chicago O'Hare Intl

Wed 10/8

7:10 am-10:26 am

1 stop3h 16m

$209

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 12/20

5:22 pm-6:48 pm

Nonstop1h 26m

Chicago O'Hare Intl

Fri 1/23

5:50 pm-7:03 pm

Nonstop1h 13m

$210

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Sat 10/4

7:02 am-5:35 pm

2 stops10h 33m

Chicago Midway

Wed 10/8

9:20 am-3:36 pm

1 stop6h 16m

$214

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 10/4

6:05 am-1:43 pm

2 stops7h 38m

Chicago O'Hare Intl

Wed 10/8

7:10 am-10:26 am

1 stop3h 16m

$214

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Thu 10/2

7:02 am-12:28 pm

1 stop5h 26m

Chicago Midway

Wed 10/8

9:20 am-3:36 pm

1 stop6h 16m

$219

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 12/3

11:06 am-12:29 pm

Nonstop1h 23m

Chicago O'Hare Intl

Sat 12/6

7:19 pm-8:29 pm

Nonstop1h 10m

$224

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Fri 10/10

6:15 am-10:49 am

1 stop4h 34m

Lambert-St Louis

Sun 10/12

12:25 pm-4:50 pm

1 stop4h 25m

$279

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 month to fly to Illinois?

The cheapest month to fly to Illinois from Green Bay is in April. Flight prices, which tend to average around $209, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $257.

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 $445. Flights from Green Bay to Illinois on a Monday will generally be more expensive and average around $640. 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 $475. 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?

You could potentially save up to 30% on your flight if you consider stops on a Green Bay to Illinois flight.

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	$207
Fastest flight time	1h 11m
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 $207. The best round-trip flight deal from Green Bay to Illinois found on momondo in the last 72 hours is $341.

The fastest flight from Green Bay to Illinois takes 1h 11m

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 3 operators available for flights from Green Bay Austin-Straubel Airport to Illinois as of September 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 Canadair (Bombardier) Regional Jet, representing 15.82% of all bookings. The subsequent popular models are Embraer 175 at 15.19%, Canadair (Bombardier) Regional Jet CRJ-550 at 15.19%, and Embraer 170 at 12.03%.

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 $189	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $194	Free Cancellation	Rating 7.4 8,922 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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Find better results for your trip to Illinois

Popular cities in Illinois

Flights to New Yorkfrom $50

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Flights to Las Vegasfrom $44

Flights to San Franciscofrom $60

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Flights to Bostonfrom $67

Flights to Atlantafrom $51

Flights to Dallasfrom $59

Flights to Seattlefrom $102

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 $179

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Illinois departing on 10/16. 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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Big names and deals

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Filter for what you want

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United Airlines flights from Green Bay to Illinois

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

Delta flights from Green Bay to Illinois

Our best Delta deals on Green Bay to Illinois flight tickets

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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 month to fly to Illinois?

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 $475. 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?

You could potentially save up to 30% on your flight if you consider stops on a Green Bay to Illinois flight.

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

American Airlines, Delta, and United 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 September 2025, there are 16 flights per day flying from Green Bay to Illinois. The most common time of day flights depart is 6:00AM, with 51% 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 118 per week as of September 2025. The most frequent departure day is Mon, with 17% 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