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Green Bay

$169+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRB
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/14. 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 12/298:48 pmORD - GRB
Nonstop1h 13mAmerican Airlines
Fri 1/25:21 pmGRB - ORD
Nonstop1h 35mAmerican Airlines
Deal found 12/14$281
This American Airlines deal was found by Cheapflights users on 12/12. 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 12/251:30 pmORD - GRB
Nonstop1h 03mAmerican Airlines
Sat 12/2710:09 amGRB - ORD
Nonstop1h 20mAmerican Airlines
Deal found 12/12$285
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/181:55 pmORD - GRB
Nonstop1h 12mUnited Airlines
Thu 12/253:42 pmGRB - ORD
Nonstop1h 27mUnited Airlines
Deal found 12/14$289
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/178:00 amSTL - GRB
1 stop5h 00mUnited Airlines
Sat 12/2010:44 amGRB - STL
1 stop3h 42mUnited Airlines
Deal found 12/15$319
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/181:55 pmORD - GRB
Nonstop1h 12mUnited Airlines
Sat 12/2010:44 amGRB - ORD
Nonstop1h 21mUnited Airlines
Deal found 12/14$322
This Delta deal was found by Cheapflights users on 12/15. 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 12/166:39 amSTL - GRB
1 stop3h 52mDelta
Tue 12/2311:11 amGRB - STL
1 stop5h 50mDelta
Deal found 12/15$359
This Delta deal was found by Cheapflights users on 12/12. 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.
Thu 12/257:00 amORD - GRB
1 stop3h 31mDelta
Sat 12/274:29 pmGRB - ORD
1 stop4h 07mDelta
Deal found 12/12$366
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sat 12/275:50 pmORD - GRB
Nonstop1h 13mUnited Airlines
Mon 12/293:42 pmGRB - ORD
Nonstop1h 27mUnited Airlines
Deal found 12/12$399
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/294:53 pmSTL - GRB
1 stop6h 43mAmerican Airlines
Fri 1/25:21 pmGRB - STL
1 stop6h 34mAmerican Airlines
Deal found 12/14$399
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/1610:13 amSTL - GRB
2 stops9h 17mAmerican Airlines
Tue 12/2310:09 amGRB - STL
1 stop6h 37mAmerican Airlines
Deal found 12/15$434
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/1810:45 amORD - GRB
1 stop5h 22mDelta
Thu 12/2511:11 amGRB - ORD
1 stop6h 11mDelta
Deal found 12/14$439
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/308:01 pmSTL - GRB
1 stop3h 35mAmerican Airlines
Sat 1/37:00 amGRB - STL
1 stop6h 38mAmerican Airlines
Deal found 12/15$449

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$180
(American Airlines)

One-way from

$169
(Delta)

Popular in

May

Cheapest in

April

Average price

$308

Good round-trip deal

$239 or less

Good one-way deal

$203 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 ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Green Bay Austin-Straubel.
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 December 15, 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

Thu 1/8

9:08 pm-10:12 pm

Nonstop1h 04m

Green Bay Austin-Straubel

Sun 1/11

4:53 pm-6:20 pm

Nonstop1h 27m

$180

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Sat 1/10

3:15 pm-4:23 pm

Nonstop1h 08m

Green Bay Austin-Straubel

Mon 1/12

4:53 pm-6:20 pm

Nonstop1h 27m

$180

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Thu 1/8

6:15 am-11:21 am

1 stop5h 06m

Green Bay Austin-Straubel

Sun 1/11

5:28 pm-9:05 pm

1 stop3h 37m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Sat 1/10

6:15 am-11:21 am

1 stop5h 06m

Green Bay Austin-Straubel

Mon 1/12

5:28 pm-9:05 pm

1 stop3h 37m

$199

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Tue 1/6

8:45 am-10:07 am

Nonstop1h 22m

Green Bay Austin-Straubel

Sat 1/10

10:42 am-12:03 pm

Nonstop1h 21m

$239

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Thu 5/28

8:05 pm-9:14 pm

Nonstop1h 09m

Green Bay Austin-Straubel

Sat 5/30

5:18 pm-6:36 pm

Nonstop1h 18m

$239

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Thu 1/8

12:50 pm-2:02 pm

Nonstop1h 12m

Green Bay Austin-Straubel

Sun 1/11

3:42 pm-5:04 pm

Nonstop1h 22m

$241

ChicagoGreen Bay

MDW - GRB

MDWGRB

Chicago Midway

Thu 1/8

9:50 am-3:38 pm

1 stop5h 48m

Green Bay Austin-Straubel

Sun 1/11

12:02 pm-6:32 pm

1 stop6h 30m

$286

ChicagoGreen Bay

MDW - GRB

MDWGRB

Chicago Midway

Sat 1/10

5:00 pm-9:35 pm

1 stop4h 35m

Green Bay Austin-Straubel

Mon 1/12

6:15 am-1:09 pm

1 stop6h 54m

$286

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 1/9

6:30 am-10:07 am

1 stop3h 37m

Green Bay Austin-Straubel

Sat 1/10

3:42 pm-7:27 pm

1 stop3h 45m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 32 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 December 15, 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 04m. 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, Chicago Midway - Green Bay Austin-Straubel and Lambert-St Louis - 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 (88%), SkyWest Airlines (79%) or Copa Airlines (78%) 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 $259, our data shows the cheapest flight currently is $102. When looking at the most popular route, (Chicago O'Hare Intl - Green Bay Austin-Straubel), you can expect to pay $194 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
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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$305FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$309FlexibilityNo cancel feeOn-time69%

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