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$120+ Cheap flights from Green Bay (GRB) to Chicago (CHI)

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — CHI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Green Bay to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$120
(American Airlines)

Popular in

September

Cheapest in

April

Average price

$277

Good round-trip deal

$352 or less

Good one-way deal

$231 or less
Provider with most accurate pricing for Green Bay Austin-Straubel-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Chicago (CHI) flights.
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From Green Bay Austin-Straubel to Chicago (CHI)
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One-way flight from Green Bay Austin-Straubel to Chicago (CHI)
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Highest demand for flights based on searches. 26% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($33 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 Green Bay Austin-Straubel to Chicago (CHI).
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Price to beat on a one-way flight from Green Bay Austin-Straubel to Chicago (CHI).
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Find flight deals from Green Bay to Chicago

Cheapest flights from Green Bay to Chicago
Explore the most affordable flight options available from Green Bay to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/126:45 amGRB - ORD
Nonstop1h 18mUnited Airlines
Tue 4/159:00 amORD - GRB
Nonstop1h 15mUnited Airlines
Deal found 3/27$189
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 4/126:00 amGRB - ORD
Nonstop1h 10mAmerican Airlines
Tue 4/158:35 pmORD - GRB
Nonstop1h 19mAmerican Airlines
Deal found 3/27$193
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 8/235:25 pmGRB - ORD
1 stop3h 39mDelta
Sat 9/610:35 amORD - GRB
1 stop5h 55mDelta
Deal found 3/27$257
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 5/312:08 pmGRB - MDW
1 stop5h 11mDelta
Sun 5/43:02 pmMDW - GRB
1 stop5h 29mDelta
Deal found 3/27$272

Cheapflights Fare Finder

Customize your flight search to find flights from Green Bay to Chicago 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 28, 2025.
Use the filters below to find and compare flights from Green Bay to Chicago that are best for you.

Fly from

Green Bay

Fly to

Chicago

Route

Depart

Return

Price

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 4/12

6:45 am-8:03 am

Nonstop1h 18m

Chicago O'Hare Intl

Tue 4/15

9:00 am-10:15 am

Nonstop1h 15m

$189

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 5/3

6:00 am-7:10 am

Nonstop1h 10m

Chicago O'Hare Intl

Sun 5/4

10:00 pm-11:08 pm

Nonstop1h 08m

$238

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 8/23

5:25 pm-9:04 pm

1 stop3h 39m

Chicago O'Hare Intl

Wed 9/3

6:00 am-11:06 am

1 stop5h 06m

$257

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Sat 5/3

12:08 pm-5:19 pm

1 stop5h 11m

Chicago Midway

Sun 5/4

3:02 pm-8:31 pm

1 stop5h 29m

$272

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 4/25

6:40 pm-7:50 pm

Nonstop1h 10m

$120

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 4/8

7:00 am-12:41 pm

1 stop5h 41m

$220

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Sun 4/6

7:00 am-12:35 pm

1 stop5h 35m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Green Bay to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Chicago in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Green Bay to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Green Bay 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 Green Bay to Chicago

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

Currently, August is the cheapest month in which you can book a flight from Green Bay to Chicago (average of $245). Flying from Green Bay to Chicago in March is currently the most expensive (average of $323). 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 GRB to CHI?

Find hourly flight availability from Green Bay to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

It’s optimal to fly from Green Bay to Chicago in the afternoon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Green Bay to Chicago

Explore weekly flight availability from Green Bay to Chicago. 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 28, 2025.

The most flights from GRB to CHI are scheduled on a Thursday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

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
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

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 Green Bay to Chicago. 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 from for flights from Green Bay to Chicago?

    For a flight from Green Bay to Chicago, you will be flying from Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city. Austin-Straubel is the only Green Bay airport and it handles 10 outbound flights to Chicago per day. 2 airlines have flights to Chicago from Green Bay Austin-Straubel on a regular basis.

  • What are the cheapest airlines flying from Green Bay to Chicago round-trip?

    According to our current data, United Airlines ($189), American Airlines ($238), and Delta ($257) offers the cheapest pricing from Green Bay to Chicago. United Airlines is currently priced 41% below the average price you’ll pay for this route.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Green Bay to Chicago on time: Republic Airways (100%), Copa Airlines (86%), Piedmont Airlines (78%).

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

    Looking for the cheapest flight from Green Bay to Chicago? While on average our users pay $1,331, our data indicates the cheapest price to be $130. The most popular route (Green Bay Austin-Straubel - Chicago O'Hare Intl), is priced around $179.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Green Bay to Chicago 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 Green Bay to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Green Bay to Chicago (average of $245). Flying from Green Bay to Chicago in March is currently the most expensive (average of $323). 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
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Top 2 airlines flying from Green Bay to Chicago

Discover the top 2 airlines that operate flights from Green Bay to Chicago. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$212Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$304FlexibilityNo cancel feeOn-time69%
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