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Green Bay

$126+ Cheap flights from Illinois to Green Bay (GRB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRB
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Illinois to Green Bay

Cheapest flights from Illinois to Green Bay
Explore the most affordable flight options available from Illinois to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:20 pmORD - GRB
Nonstop1h 08mAmerican Airlines
Mon 11/247:52 pmGRB - ORD
Nonstop1h 23mAmerican Airlines
Deal found 10/27$179
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:29 amORD - GRB
Nonstop1h 06mAmerican Airlines
Sat 11/158:07 pmGRB - ORD
Nonstop1h 23mAmerican Airlines
Deal found 10/27$189
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:19 pmORD - GRB
Nonstop1h 10mAmerican Airlines
Mon 11/177:52 pmGRB - ORD
Nonstop1h 23mAmerican Airlines
Deal found 10/28$204
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:06 amORD - GRB
Nonstop1h 09mAmerican Airlines
Mon 11/173:09 pmGRB - ORD
Nonstop1h 20mAmerican Airlines
Deal found 10/28$209
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:55 pmORD - GRB
Nonstop1h 22mUnited Airlines
Mon 11/171:20 pmGRB - ORD
Nonstop1h 20mUnited Airlines
Deal found 10/28$224
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:45 amORD - GRB
1 stop3h 45mDelta
Sat 11/156:20 amGRB - ORD
1 stop4h 04mDelta
Deal found 10/28$229
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amSTL - GRB
1 stop5h 33mDelta
Mon 12/14:56 pmGRB - STL
1 stop3h 50mDelta
Deal found 10/29$229
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:54 amORD - GRB
Nonstop1h 17mUnited Airlines
Sun 11/236:15 amGRB - ORD
Nonstop1h 27mUnited Airlines
Deal found 10/28$240
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:35 pmORD - GRB
1 stop6h 01mDelta
Sat 11/156:20 amGRB - ORD
1 stop5h 17mDelta
Deal found 10/28$244
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:46 amORD - GRB
1 stop5h 24mDelta
Tue 12/26:20 amGRB - ORD
1 stop5h 20mDelta
Deal found 10/27$248
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:45 amORD - GRB
Nonstop1h 18mUnited Airlines
Sat 11/158:00 amGRB - ORD
Nonstop1h 28mUnited Airlines
Deal found 10/28$249
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:20 amORD - GRB
Nonstop1h 19mAmerican Airlines
Mon 12/295:25 amGRB - ORD
Nonstop1h 26mAmerican Airlines
Deal found 10/28$256

Cheap flight deals from Illinois to Green Bay

Keep the following information in mind while searching for Illinois to Green Bay flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$126
(Delta)

Popular in

May

Cheapest in

April

Average price

$527

Good one-way deal

$218 or less
Provider with most accurate pricing for Chicago (CHI)-Green Bay Austin-Straubel flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Green Bay Austin-Straubel flights.
Search Deals
From Illinois to Green Bay Austin-Straubel
Search Deals
One-way flight from Illinois to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way flight from Illinois to Green Bay Austin-Straubel.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Green Bay that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Illinois to Green Bay that are best for you.

Fly from

Illinois

Fly to

Green Bay

Route

Depart

Return

Price

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Mon 11/17

10:20 pm-11:28 pm

Nonstop1h 08m

Green Bay Austin-Straubel

Mon 11/24

7:52 pm-9:15 pm

Nonstop1h 23m

$179

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Thu 11/20

8:54 am-10:11 am

Nonstop1h 17m

Green Bay Austin-Straubel

Sun 11/23

10:46 am-12:05 pm

Nonstop1h 19m

$179

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Tue 11/25

6:11 pm-7:22 pm

Nonstop1h 11m

Green Bay Austin-Straubel

Tue 12/2

7:52 pm-9:15 pm

Nonstop1h 23m

$179

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Sun 1/11

8:50 am-3:38 pm

1 stop6h 48m

Green Bay Austin-Straubel

Sun 1/18

7:00 am-1:07 pm

1 stop6h 07m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Thu 1/15

6:50 am-10:35 am

1 stop3h 45m

Green Bay Austin-Straubel

Sat 1/17

5:33 pm-9:04 pm

1 stop3h 31m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Wed 1/14

8:50 am-3:38 pm

1 stop6h 48m

Green Bay Austin-Straubel

Sun 1/18

7:00 am-1:07 pm

1 stop6h 07m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Sat 1/17

6:50 am-10:35 am

1 stop3h 45m

Green Bay Austin-Straubel

Sun 1/18

7:00 am-1:07 pm

1 stop6h 07m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Tue 1/13

8:50 am-3:38 pm

1 stop6h 48m

Green Bay Austin-Straubel

Sun 1/18

7:00 am-1:07 pm

1 stop6h 07m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Mon 1/12

3:59 pm-10:03 pm

1 stop6h 04m

Green Bay Austin-Straubel

Sun 1/18

7:00 am-1:07 pm

1 stop6h 07m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Sun 1/11

6:50 am-10:35 am

1 stop3h 45m

Green Bay Austin-Straubel

Sat 1/17

5:33 pm-9:04 pm

1 stop3h 31m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 42 results
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Best time to book a flight from Illinois to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Green Bay

What is the cheapest month to book a flight from Illinois to Green Bay?

Currently, January is the cheapest month in which you can book a flight from Illinois to Green Bay (average of $57). Flying from Illinois to Green Bay in April is currently the most expensive (average of $304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to GRB?

Find hourly flight availability from Illinois to Green Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s optimal to fly from Illinois to Green Bay in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Green Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Green Bay from Illinois?

    For a flight from Illinois to Green Bay, you will be flying into Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city.

  • How long is the flight from Illinois to Green Bay?

    Departing from Illinois to Green Bay will take you 1h 08m. Illinois and Green Bay are separated by a distance of 173 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Green Bay?

    The most popular flight routes from Illinois to Green Bay are Chicago O'Hare Intl - Green Bay Austin-Straubel, Lambert-St Louis - Green Bay Austin-Straubel and Chicago Midway - Green Bay Austin-Straubel.

  • What are the most reliable airlines from Illinois to Green Bay?

    No one likes to see their flight delayed. When booking a flight from Illinois to Green Bay consider choosing Republic Airways (100%), Copa Airlines (92%) or Emirates (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Green Bay?

    While on average a flight from Illinois to Green Bay is generally $279, our data shows the cheapest flight currently is $203. When looking at the most popular route, (Chicago O'Hare Intl - Green Bay Austin-Straubel), you can expect to pay $209 for that flight.

  • Can I find deals for flights from Illinois to Green Bay that include hotel bookings?

    Yes. In addition to deals on Illinois to Green Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Green Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Green Bay.

  • Can I find deals for business class flights from Illinois to Green Bay?

    Yes. Cheapflights offers flight deals from Illinois to Green Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Green Bay?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Green Bay (average of $57). Flying from Illinois to Green Bay in April is currently the most expensive (average of $304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Manitowoc

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Alternative routes for Illinois to Green Bay

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Green Bay

Discover the top 2 airlines that operate flights from Illinois to Green Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$305FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$319FlexibilityNo cancel feeOn-time69%

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