HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$164+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — ORD
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 14, 2026.

This American Airlines deal was found by Cheapflights users on 7/9. 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 9/118:27 pm
GRB
-
ORD
Nonstop1h 33m
American Airlines
Sun 9/136:40 pm
ORD
-
GRB
Nonstop1h 16m
American Airlines
Deal found 7/9$239
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/245:55 am
GRB
-
ORD
Nonstop1h 25m
American Airlines
Mon 8/315:08 pm
ORD
-
GRB
Nonstop1h 17m
American Airlines
Deal found 7/10$240
This Delta deal was found by Cheapflights users on 7/10. 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 8/246:57 am
GRB
-
ORD
1 stop6h 11m
Delta
Mon 8/311:59 pm
ORD
-
GRB
1 stop6h 41m
Delta
Deal found 7/10$259
This American Airlines deal was found by Cheapflights users on 7/13. 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 10/79:58 am
GRB
-
ORD
Nonstop1h 22m
American Airlines
Sat 10/108:15 am
ORD
-
GRB
Nonstop1h 12m
American Airlines
Deal found 7/13$268
This United Airlines deal was found by Cheapflights users on 7/13. 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 7/309:00 am
GRB
-
ORD
Nonstop1h 27m
United Airlines
Sun 8/23:35 pm
ORD
-
GRB
Nonstop1h 16m
United Airlines
Deal found 7/13$269
This Delta deal was found by Cheapflights users on 7/10. 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 8/276:57 am
GRB
-
ORD
1 stop6h 11m
Delta
Tue 9/81:55 pm
ORD
-
GRB
1 stop6h 37m
Delta
Deal found 7/10$289
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Thu 11/56:25 am
GRB
-
ORD
Nonstop1h 32m
United Airlines
Mon 11/99:25 am
ORD
-
GRB
Nonstop1h 05m
United Airlines
Deal found 7/12$309
This American Airlines deal was found by Cheapflights users on 7/11. 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 7/116:08 am
GRB
-
ORD
Nonstop1h 27m
American Airlines
Fri 7/2411:00 pm
ORD
-
GRB
Nonstop1h 12m
American Airlines
Deal found 7/11$332
This Delta deal was found by Cheapflights users on 7/9. 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 10/77:00 am
GRB
-
ORD
1 stop3h 39m
Delta
Sun 10/185:24 pm
ORD
-
GRB
1 stop3h 38m
Delta
Deal found 7/9$339
This American Airlines deal was found by Cheapflights users on 7/12. 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 7/161:01 pm
GRB
-
ORD
Nonstop1h 20m
American Airlines
Fri 7/241:39 pm
ORD
-
GRB
Nonstop1h 15m
American Airlines
Deal found 7/12$349

Find 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 July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(American Airlines)

One-way from

$164
(American Airlines)

Popular in

February

Cheapest in

May

Average price

$266

Good round-trip deal

$384 or less

Good one-way deal

$289 or less
Provider with most accurate pricing for Green Bay Austin-Straubel-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Chicago O'Hare Intl flights.
Search Deals
From Green Bay Austin-Straubel to Chicago O'Hare Intl
Search Deals
One-way flight from Green Bay Austin-Straubel to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Green Bay Austin-Straubel to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Green Bay Austin-Straubel to Chicago O'Hare Intl.
Search Deals

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 July 14, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sun 8/16

12:30 pm-1:56 pm

Nonstop1h 26m

Chicago O'Hare Intl

Sun 8/30

12:45 pm-2:01 pm

Nonstop1h 16m

$239

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Tue 8/4

6:08 am-7:35 am

Nonstop1h 27m

Chicago O'Hare Intl

Tue 8/18

1:29 pm-2:41 pm

Nonstop1h 12m

$239

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sun 8/2

9:00 am-10:27 am

Nonstop1h 27m

Chicago O'Hare Intl

Sat 8/8

1:55 pm-3:09 pm

Nonstop1h 14m

$239

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 8/27

6:57 am-1:08 pm

1 stop6h 11m

Chicago O'Hare Intl

Tue 9/8

7:05 am-10:22 am

1 stop3h 17m

$259

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 7/30

9:00 am-10:27 am

Nonstop1h 27m

Chicago O'Hare Intl

Sun 8/2

3:35 pm-4:51 pm

Nonstop1h 16m

$269

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 12/18

7:00 am-12:37 pm

1 stop5h 37m

Chicago O'Hare Intl

Fri 1/1

7:05 am-10:23 am

1 stop3h 18m

$289
Quickest round-trip

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 11/5

6:25 am-7:57 am

Nonstop1h 32m

Chicago O'Hare Intl

Mon 11/9

9:25 am-10:30 am

Nonstop1h 05m

$309

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 8/21

11:07 am-4:17 pm

1 stop5h 10m

Chicago O'Hare Intl

Sun 8/23

6:59 am-10:27 am

1 stop3h 28m

$339

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 7/24

6:52 pm-8:15 pm

Nonstop1h 23m

Chicago O'Hare Intl

Tue 7/28

10:35 am-11:59 am

Nonstop1h 24m

$339

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 10/7

7:00 am-10:39 am

1 stop3h 39m

Chicago O'Hare Intl

Sun 10/18

5:24 pm-9:02 pm

1 stop3h 38m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 20 resultsSorted by cheapest first
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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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, May is the cheapest month in which you can book a flight from Green Bay to Chicago O'Hare Intl Airport (average of $208). Flying from Green Bay to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $517). 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 July 14, 2026.

A simple way to save on the total cost of your ticket is to fly from Green Bay to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 29% 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 July 4, 2026.

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 July 14, 2026.
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
9,983 reviews

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
9,983 reviews
United Airlines
7.4
Good
9,983 reviews

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.1
Good
11,810 reviews
United Airlines
7.4
Good
9,983 reviews

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 23 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?

    United Airlines, American Airlines, and Delta can get you from Green Bay to Chicago O'Hare Intl Airport in just under 1h 26m. Your travel time can differ by up to 4h 45m. 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?

    United Airlines, at $179, 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 American Airlines. United Airlines is currently priced 36% 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 (100%), Qatar Airways (87%), British Airways (86%).

  • 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 $219. While the most popular route (Green Bay Austin-Straubel - Chicago O'Hare Intl) can be booked for $239 on average, our data indicates $1,547 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, May is the cheapest month in which you can book a flight from Green Bay to Chicago O'Hare Intl Airport (average of $208). Flying from Green Bay to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $517). 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
Benton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Gurnee
Delavan
Oakbrook Terrace
South Holland
Libertyville
Orland Park
Hoffman Estates
Downers Grove
Rockford
Racine
Great Lakes
Joliet
Waukegan
Elk Grove Village

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$269FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$184Average$244FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights