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O'Hare Intl

$153+ Cheap flights from Green Bay (GRB) to O'Hare Intl (ORD)

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — ORD
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap flight deals from Green Bay to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to O'Hare Intl (ORD). 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$153
(Delta)

Popular in

January

Cheapest in

June

Average price

$314

Good round-trip deal

$320 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for Green Bay Austin-Straubel-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Chicago O'Hare Intl flights.
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From Green Bay Austin-Straubel to Chicago O'Hare Intl
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One-way flight from Green Bay Austin-Straubel to Chicago O'Hare Intl
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Highest demand for flights based on searches. 7% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Green Bay Austin-Straubel to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Green Bay Austin-Straubel to Chicago O'Hare Intl.
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Find flight deals from Green Bay to O'Hare Intl

Cheapest flights from Green Bay to O'Hare Intl
Explore the most affordable flight options available from Green Bay to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This American Airlines deal was found by Cheapflights users on 10/25. 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.
Fri 11/219:49 amGRB - ORD
Nonstop1h 18mAmerican Airlines
Fri 11/288:40 pmORD - GRB
Nonstop1h 11mAmerican Airlines
Deal found 10/25$179
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/146:15 amGRB - ORD
Nonstop1h 27mUnited Airlines
Sat 11/158:54 amORD - GRB
Nonstop1h 17mUnited Airlines
Deal found 10/25$184
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/83:31 pmGRB - ORD
Nonstop1h 20mAmerican Airlines
Wed 11/128:47 pmORD - GRB
Nonstop1h 11mAmerican Airlines
Deal found 10/25$189
This Delta deal was found by Cheapflights users on 10/25. 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
Fri 11/281:29 pmORD - GRB
1 stop5h 08mDelta
Deal found 10/25$199
This Delta deal was found by Cheapflights users on 10/25. 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 11/811:06 amGRB - ORD
1 stop5h 05mDelta
Wed 11/128:50 amORD - GRB
1 stop6h 47mDelta
Deal found 10/25$209
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/94:32 pmGRB - ORD
Nonstop1h 27mAmerican Airlines
Tue 12/168:05 amORD - GRB
Nonstop1h 08mAmerican Airlines
Deal found 10/25$249
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 10/278:08 pmGRB - ORD
Nonstop1h 20mAmerican Airlines
Wed 11/59:15 amORD - GRB
Nonstop1h 15mAmerican Airlines
Deal found 10/27$269
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.
Mon 10/274:16 pmGRB - ORD
1 stop3h 27mDelta
Wed 11/510:30 amORD - GRB
1 stop6h 04mDelta
Deal found 10/27$289
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.
Wed 11/124:32 pmGRB - ORD
Nonstop1h 20mAmerican Airlines
Sat 11/2210:20 pmORD - GRB
Nonstop1h 08mAmerican Airlines
Deal found 10/27$407

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to O'Hare Intl 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 27, 2025.
Use the filters below to find and compare flights from Green Bay to Chicago O'Hare Intl Airport that are best for you.

Fly from

Green Bay

Fly to

O'Hare Intl

Route

Depart

Return

Price

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 11/21

9:49 am-11:07 am

Nonstop1h 18m

Chicago O'Hare Intl

Fri 11/28

8:40 pm-9:51 pm

Nonstop1h 11m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 1/3

5:22 pm-6:49 pm

Nonstop1h 27m

Chicago O'Hare Intl

Wed 1/7

12:50 pm-2:02 pm

Nonstop1h 12m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 11/21

4:56 pm-8:29 pm

1 stop3h 33m

Chicago O'Hare Intl

Fri 11/28

1:29 pm-6:37 pm

1 stop5h 08m

$199

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 11/14

12:13 pm-4:52 pm

1 stop4h 39m

Chicago O'Hare Intl

Sat 11/15

10:46 am-4:08 pm

1 stop5h 22m

$204

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 11/8

9:53 am-11:11 am

Nonstop1h 18m

Chicago O'Hare Intl

Wed 11/12

8:47 pm-9:58 pm

Nonstop1h 11m

$204

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 11/8

11:06 am-4:11 pm

1 stop5h 05m

Chicago O'Hare Intl

Wed 11/12

8:50 am-3:37 pm

1 stop6h 47m

$209

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 3/4

6:33 pm-8:00 pm

Nonstop1h 27m

Chicago O'Hare Intl

Sat 3/7

8:20 am-9:28 am

Nonstop1h 08m

$239

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 12/9

4:32 pm-5:59 pm

Nonstop1h 27m

Chicago O'Hare Intl

Tue 12/16

8:05 am-9:13 am

Nonstop1h 08m

$249

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 3/6

3:44 pm-5:06 pm

Nonstop1h 22m

Chicago O'Hare Intl

Sun 3/15

2:10 pm-3:24 pm

Nonstop1h 14m

$262

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 3/6

4:00 pm-9:56 pm

1 stop5h 56m

Chicago O'Hare Intl

Sun 3/15

6:00 am-11:19 am

1 stop5h 19m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 18 results
1
2

Compare providers for flights from Green Bay to O'Hare Intl

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 O'Hare Intl in October.
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 O'Hare Intl Airport 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 O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Green Bay-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

What is the cheapest month to book a flight from Green Bay to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Green Bay to Chicago O'Hare Intl Airport (average of $75). Flying from Green Bay to Chicago O'Hare Intl Airport 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 ORD?

Find hourly flight availability from Green Bay to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Green Bay to Chicago O'Hare Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Green Bay to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Green Bay to O'Hare Intl. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Green Bay to Chicago O'Hare Intl Airport 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.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 27, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Green Bay to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

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
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

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
11,033 reviews
United Airlines
7.4
Good
8,997 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

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 O'Hare Intl. 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 O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Green Bay, you will be flying from Austin-Straubel, which is the city’s only airport. Green Bay Austin-Straubel (GRB) is located 5.9 mi from the center of Green Bay. There are 15 flights from Austin-Straubel to Chicago O'Hare Intl per day from 2 different airlines.

  • How long is the flight from Green Bay to Chicago O'Hare Intl Airport?

    American Airlines, United Airlines, and Delta can get you from Green Bay to Chicago O'Hare Intl Airport in just under 1h 18m. Your travel time can differ by up to 2h 15m. Green Bay and Chicago O'Hare Intl Airport are separated by a distance of 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 O'Hare Intl Airport round-trip?

    American Airlines, at $184, was found to be the cheapest airline from Green Bay to Chicago O'Hare Intl Airport. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 33% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Green Bay to Chicago O'Hare Intl Airport?

    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 O'Hare Intl Airport on time: Republic Airways (93%), Qatar Airways (86%), Air New Zealand (84%).

  • What are the cheapest flights from Green Bay to Chicago O'Hare Intl Airport?

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Green Bay Austin-Straubel - Chicago O'Hare Intl) can be booked for $179 on average, our data indicates $936 when flying from Green Bay to Chicago O'Hare Intl Airport.

  • Can I find deals for flights from Green Bay to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from Green Bay to O'Hare Intl?

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

  • Can I find deals for business class flights from Green Bay to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Green Bay to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Green Bay to Chicago O'Hare Intl Airport (average of $75). Flying from Green Bay to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Racine
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan

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Top 2 airlines flying from Green Bay to O'Hare Intl

Discover the top 2 airlines that operate flights from Green Bay to O'Hare Intl. 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 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$184Average$252FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$309FlexibilityNo cancel feeOn-time69%

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