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$150+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — CHI
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(United Airlines)

One-way from

$150
(Delta)

Popular in

August

Cheapest in

September

Average price

$229

Good round-trip deal

$329 or less

Good one-way deal

$239 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. 24% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/5. 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 12/313:42 pmGRB - ORD
Nonstop1h 27mUnited Airlines
Wed 1/141:55 pmORD - GRB
Nonstop1h 12mUnited Airlines
Deal found 11/5$179
This American Airlines deal was found by Cheapflights users on 11/6. 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 11/257:17 amGRB - ORD
Nonstop1h 29mAmerican Airlines
Tue 12/26:11 pmORD - GRB
Nonstop1h 11mAmerican Airlines
Deal found 11/6$194
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Fri 11/2110:46 amGRB - ORD
Nonstop1h 19mUnited Airlines
Tue 11/258:20 pmORD - GRB
Nonstop1h 18mUnited Airlines
Deal found 11/6$209
This Delta deal was found by Cheapflights users on 11/4. 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 12/34:52 pmGRB - ORD
1 stop3h 43mDelta
Wed 12/1010:45 amORD - GRB
1 stop5h 22mDelta
Deal found 11/4$214
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 11/214:56 pmGRB - ORD
1 stop3h 33mDelta
Tue 11/256:00 amORD - GRB
1 stop5h 33mDelta
Deal found 11/6$229
This American Airlines deal was found by Cheapflights users on 11/4. 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 11/137:52 pmGRB - ORD
Nonstop1h 23mAmerican Airlines
Sun 11/167:19 pmORD - GRB
Nonstop1h 10mAmerican Airlines
Deal found 11/4$239
This Delta deal was found by Cheapflights users on 11/4. 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 12/37:00 amGRB - MDW
1 stop5h 34mDelta
Wed 12/109:59 amMDW - GRB
1 stop5h 38mDelta
Deal found 11/4$259
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/195:27 pmGRB - ORD
Nonstop1h 15mUnited Airlines
Sun 11/231:55 pmORD - GRB
Nonstop1h 15mUnited Airlines
Deal found 11/4$269
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/88:07 pmGRB - ORD
Nonstop1h 23mAmerican Airlines
Wed 11/126:11 pmORD - GRB
Nonstop1h 11mAmerican Airlines
Deal found 11/5$272
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/96:15 amGRB - ORD
Nonstop1h 28mUnited Airlines
Wed 11/1911:20 amORD - GRB
Nonstop1h 13mUnited Airlines
Deal found 11/4$274
This Delta deal was found by Cheapflights users on 11/5. 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 12/314:29 pmGRB - ORD
1 stop5h 05mDelta
Sat 1/39:41 amORD - GRB
1 stop6h 08mDelta
Deal found 11/5$286
This Delta deal was found by Cheapflights users on 11/5. 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 11/87:00 amGRB - ORD
1 stop5h 40mDelta
Wed 11/1210:46 amORD - GRB
1 stop5h 25mDelta
Deal found 11/5$292

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 November 6, 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 1/31

5:24 pm-6:50 pm

Nonstop1h 26m

Chicago O'Hare Intl

Sat 2/7

8:45 am-10:07 am

Nonstop1h 22m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 12/31

5:21 pm-6:56 pm

Nonstop1h 35m

Chicago O'Hare Intl

Sat 1/3

8:48 pm-10:01 pm

Nonstop1h 13m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 12/31

3:42 pm-5:09 pm

Nonstop1h 27m

Chicago O'Hare Intl

Wed 1/14

1:55 pm-3:07 pm

Nonstop1h 12m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 1/6

11:20 am-12:40 pm

Nonstop1h 20m

Chicago O'Hare Intl

Wed 1/14

3:24 pm-4:32 pm

Nonstop1h 08m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 12/30

6:15 am-7:49 am

Nonstop1h 34m

Chicago O'Hare Intl

Wed 1/14

5:50 pm-7:03 pm

Nonstop1h 13m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 12/3

6:00 am-7:30 am

Nonstop1h 30m

Chicago O'Hare Intl

Wed 12/10

8:05 am-9:13 am

Nonstop1h 08m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 12/30

6:15 am-7:49 am

Nonstop1h 34m

Chicago O'Hare Intl

Sat 1/3

8:47 am-10:09 am

Nonstop1h 22m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 1/6

5:24 pm-6:50 pm

Nonstop1h 26m

Chicago O'Hare Intl

Wed 1/14

12:50 pm-2:02 pm

Nonstop1h 12m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 11/25

7:17 am-8:46 am

Nonstop1h 29m

Chicago O'Hare Intl

Tue 12/2

6:11 pm-7:22 pm

Nonstop1h 11m

$194

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Sat 1/31

12:02 pm-4:16 pm

1 stop4h 14m

Chicago Midway

Sat 2/7

5:00 pm-10:03 pm

1 stop5h 03m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 28 results
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2
3

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Green Bay-Chicago flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Green Bay to Chicago (average of $75). Flying from Green Bay to Chicago in July is currently the most expensive (average of $179). 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 November 6, 2025.

It’s optimal to fly from Green Bay to Chicago in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Green Bay to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Green Bay to Chicago. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Green Bay to Chicago flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 6, 2025.

The most flights from GRB to CHI are scheduled on a Thursday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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 November 6, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Green Bay to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,007 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,007 reviews
United Airlines
7.4
Good
9,007 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,040 reviews
United Airlines
7.4
Good
9,007 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 15 outbound flights to Chicago per day. 2 airlines have flights to Chicago from Green Bay Austin-Straubel on a regular basis.

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

    For as low as $179, United Airlines can have you in Chicago from Green Bay in 1h 26m. The distance between Green Bay and Chicago is about 173 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, American Airlines ($184), and United Airlines ($209) offers the cheapest pricing from Green Bay to Chicago. American 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: Qatar Airways (95%), American Airlines (90%), Envoy Air (89%).

  • 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 $802, our data indicates the cheapest price to be $203. 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, January is the cheapest month in which you can book a flight from Green Bay to Chicago (average of $75). Flying from Green Bay to Chicago in July is currently the most expensive (average of $179). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Hammond
Porter
Benton Harbor
Merrillville

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See prices for flight routes from nearby airports that may be better suited for you.
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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$184Average$252FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$309FlexibilityNo cancel feeOn-time69%

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