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Green Bay

$173+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRB
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$181
(American Airlines)

One-way from

$173
(Delta)

Popular in

December

Cheapest in

January

Average price

$302

Good round-trip deal

$297 or less

Good one-way deal

$191 or less
Provider with most accurate pricing for Chicago (CHI)-Green Bay Austin-Straubel flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Green Bay Austin-Straubel flights.
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From Illinois to Green Bay Austin-Straubel
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One-way flight from Illinois to Green Bay Austin-Straubel
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Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Illinois to Green Bay Austin-Straubel.
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Price to beat on a one-way flight from Illinois to Green Bay Austin-Straubel.
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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 March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/30. 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 4/245:11 pmORD - GRB
Nonstop0h 59mAmerican Airlines
Mon 4/286:40 pmGRB - ORD
Nonstop1h 10mAmerican Airlines
Deal found 3/30$181
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/137:35 pmORD - GRB
Nonstop1h 17mUnited Airlines
Tue 5/205:30 pmGRB - ORD
Nonstop1h 19mUnited Airlines
Deal found 3/30$194
This Delta deal was found by Cheapflights users on 3/29. 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.
Tue 5/137:10 amORD - GRB
1 stop3h 17mDelta
Tue 5/205:00 pmGRB - ORD
1 stop3h 21mDelta
Deal found 3/29$199
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/286:00 pmSTL - GRB
1 stop5h 08mAmerican Airlines
Mon 5/56:22 pmGRB - STL
1 stop5h 29mAmerican Airlines
Deal found 3/31$229
This Delta deal was found by Cheapflights users on 3/30. 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 4/2410:20 amMDW - GRB
1 stop6h 49mDelta
Mon 4/2812:13 pmGRB - MDW
1 stop5h 06mDelta
Deal found 3/30$409
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/146:30 amSTL - GRB
1 stop3h 45mUnited Airlines
Fri 4/183:45 pmGRB - STL
1 stop20h 35mUnited Airlines
Deal found 3/30$479

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 March 31, 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 4/24

5:11 pm-6:10 pm

Nonstop0h 59m

Green Bay Austin-Straubel

Mon 4/28

6:40 pm-7:50 pm

Nonstop1h 10m

$181

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Tue 5/13

7:35 pm-8:52 pm

Nonstop1h 17m

Green Bay Austin-Straubel

Tue 5/20

5:30 pm-6:49 pm

Nonstop1h 19m

$194

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Tue 5/13

7:10 am-10:27 am

1 stop3h 17m

Green Bay Austin-Straubel

Tue 5/20

5:00 pm-8:21 pm

1 stop3h 21m

$199

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 4/28

6:00 pm-11:08 pm

1 stop5h 08m

Green Bay Austin-Straubel

Mon 5/5

6:22 pm-11:51 pm

1 stop5h 29m

$229

ChicagoGreen Bay

MDW - GRB

MDWGRB

Chicago Midway

Thu 4/24

10:20 am-5:09 pm

1 stop6h 49m

Green Bay Austin-Straubel

Mon 4/28

12:13 pm-5:19 pm

1 stop5h 06m

$409

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 4/14

6:30 am-10:15 am

1 stop3h 45m

Green Bay Austin-Straubel

Fri 4/18

3:45 pm-12:20 pm

1 stop20h 35m

$479

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Wed 5/28

7:00 am-9:25 pm

2 stops14h 25m

$173

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Mon 6/23

6:00 am-9:23 am

1 stop3h 23m

$192

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Sat 4/26

9:41 am-10:48 am

Nonstop1h 07m

$204

ChicagoGreen Bay

MDW - GRB

MDWGRB

Chicago Midway

Wed 7/30

9:20 am-3:29 pm

1 stop6h 09m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 $331). Flying from Illinois to Green Bay in June is currently the most expensive (average of $495). 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 March 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Green Bay as you normally would.

Weekly flight availability from Illinois to Green Bay

Explore weekly flight availability from Illinois to Green Bay. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 31, 2025.

The most flights from USIL to GRB are scheduled on a Monday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Green Bay by month

Plan your trip to Green Bay by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

Temperature in Green Bay by month

Plan your trip to Green Bay by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Green Bay, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Green Bay. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Illinois to Green Bay. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 Qatar Airways (84%), Piedmont Airlines (83%) or British Airways (82%) 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 $260, our data shows the cheapest flight currently is $174. 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 $331). Flying from Illinois to Green Bay in June is currently the most expensive (average of $495). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Marinette
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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$184Average$369FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$184Average$297FlexibilityNo cancel feeOn-time71%
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