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O'Hare Intl

$134+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — ORD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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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 January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/24. 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 4/85:18 pm
GRB
-
ORD
Nonstop1h 31m
American Airlines
Fri 4/178:00 am
ORD
-
GRB
Nonstop1h 10m
American Airlines
Deal found 1/24$179
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Sun 2/225:00 am
GRB
-
ORD
Nonstop1h 24m
American Airlines
Sun 3/18:50 am
ORD
-
GRB
Nonstop1h 06m
American Airlines
Deal found 1/25$181
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/275:28 pm
GRB
-
ORD
Nonstop1h 22m
United Airlines
Sun 3/223:45 pm
ORD
-
GRB
Nonstop1h 08m
United Airlines
Deal found 1/25$186
This United Airlines deal was found by Cheapflights users on 1/24. 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 3/262:54 pm
GRB
-
ORD
Nonstop1h 23m
United Airlines
Sat 3/2812:51 pm
ORD
-
GRB
Nonstop1h 15m
United Airlines
Deal found 1/24$189
This United Airlines deal was found by Cheapflights users on 1/24. 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 2/133:44 pm
GRB
-
ORD
Nonstop1h 21m
United Airlines
Mon 2/161:55 pm
ORD
-
GRB
Nonstop1h 14m
United Airlines
Deal found 1/24$194
This Delta deal was found by Cheapflights users on 1/26. 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 2/206:15 am
GRB
-
ORD
1 stop5h 30m
Delta
Mon 3/91:57 pm
ORD
-
GRB
1 stop6h 39m
Delta
Deal found 1/26$199
This American Airlines deal was found by Cheapflights users on 1/24. 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 2/206:32 pm
GRB
-
ORD
Nonstop1h 21m
American Airlines
Mon 3/96:40 pm
ORD
-
GRB
Nonstop1h 02m
American Airlines
Deal found 1/24$209
This Delta deal was found by Cheapflights users on 1/26. 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 2/137:00 am
GRB
-
ORD
1 stop6h 20m
Delta
Mon 2/1610:35 am
ORD
-
GRB
1 stop6h 09m
Delta
Deal found 1/26$214
This American Airlines deal was found by Cheapflights users on 1/23. 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 1/314:53 pm
GRB
-
ORD
Nonstop1h 27m
American Airlines
Fri 2/63:15 pm
ORD
-
GRB
Nonstop1h 08m
American Airlines
Deal found 1/23$224
This American Airlines deal was found by Cheapflights users on 1/24. 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 7/146:49 pm
GRB
-
ORD
Nonstop1h 26m
American Airlines
Mon 7/208:02 am
ORD
-
GRB
Nonstop1h 10m
American Airlines
Deal found 1/24$234
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/122:54 pm
GRB
-
ORD
Nonstop1h 23m
United Airlines
Sun 3/153:45 pm
ORD
-
GRB
Nonstop1h 08m
United Airlines
Deal found 1/26$239
This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 4/812:00 pm
GRB
-
ORD
1 stop6h 02m
Delta
Fri 4/176:25 am
ORD
-
GRB
1 stop4h 53m
Delta
Deal found 1/25$249

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$134
(United Airlines)

Popular in

August

Cheapest in

April

Average price

$264

Good round-trip deal

$345 or less

Good one-way deal

$259 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. 19% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 26, 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

Green Bay

Fly to

O'Hare Intl

Route

Depart

Return

Price

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Mon 4/20

3:47 pm-5:05 pm

Nonstop1h 18m

Chicago O'Hare Intl

Mon 5/4

8:05 pm-9:27 pm

Nonstop1h 22m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 4/8

5:18 pm-6:49 pm

Nonstop1h 31m

Chicago O'Hare Intl

Fri 4/17

8:00 am-9:10 am

Nonstop1h 10m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Mon 2/23

6:32 pm-7:53 pm

Nonstop1h 21m

Chicago O'Hare Intl

Mon 3/2

4:59 pm-6:01 pm

Nonstop1h 02m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sat 3/14

6:38 pm-7:59 pm

Nonstop1h 21m

Chicago O'Hare Intl

Sat 3/21

8:11 am-9:17 am

Nonstop1h 06m

$179

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 2/27

5:28 pm-6:50 pm

Nonstop1h 22m

Chicago O'Hare Intl

Sun 3/22

3:45 pm-4:53 pm

Nonstop1h 08m

$186

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 2/13

3:44 pm-5:05 pm

Nonstop1h 21m

Chicago O'Hare Intl

Mon 2/16

1:55 pm-3:09 pm

Nonstop1h 14m

$194

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 2/13

5:00 am-6:24 am

Nonstop1h 24m

Chicago O'Hare Intl

Mon 2/16

10:29 pm-11:32 pm

Nonstop1h 03m

$194

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 2/20

6:15 am-11:45 am

1 stop5h 30m

Chicago O'Hare Intl

Mon 3/9

8:55 am-3:38 pm

1 stop6h 43m

$199

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Sun 4/26

8:00 am-9:23 am

Nonstop1h 23m

$134

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 2/27

12:08 pm-10:25 am

1 stop22h 17m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 17 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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, February is the cheapest month in which you can book a flight from Green Bay to Chicago O'Hare Intl Airport (average of $88). 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 January 26, 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 in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% 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 January 24, 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 January 26, 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
9,199 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,189 reviews
United Airlines
7.4
Good
9,199 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 19 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 and American Airlines can get you from Green Bay to Chicago O'Hare Intl Airport in just under 1h 18m. Your travel time will be generally consistent. Green Bay and Chicago O'Hare Intl Airport are separated by a distance of 173 mi. Generally, flights for this route are nonstop.

  • 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 31% 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 (91%), Iberia (75%), Copa Airlines (71%).

  • 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 $184. While the most popular route (Green Bay Austin-Straubel - Chicago O'Hare Intl) can be booked for $179 on average, our data indicates $972 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, February is the cheapest month in which you can book a flight from Green Bay to Chicago O'Hare Intl Airport (average of $88). 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
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora

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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$269FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$184Average$242FlexibilityNo cancel feeOn-time71%

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