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$109+ Cheap flights from Green Bay (GRB) to Illinois

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — ORD
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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Cheap flight deals from Green Bay to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Illinois (USIL). 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 December 19, 2024.

Round-trip from

$217
(American Airlines)

One-way from

$109
(American Airlines)
From Green Bay Austin-Straubel to Illinois
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One-way flight from Green Bay Austin-Straubel to Illinois
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Find flight deals from Green Bay to Illinois

Cheapest flights from Green Bay to Illinois
Explore the most affordable flight options available from Green Bay to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This American Airlines deal was found by Cheapflights users on 12/19. 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 12/266:13 pmGRB - ORD
Nonstop1h 22mAmerican Airlines
Thu 1/24:43 pmORD - GRB
Nonstop1h 03mAmerican Airlines
Deal found 12/19$448
This Delta deal was found by Cheapflights users on 12/19. 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 12/264:29 pmGRB - ORD
1 stop6h 23mDelta
Thu 1/210:05 amORD - GRB
1 stop5h 44mDelta
Deal found 12/19$482

Find flights from Green Bay to Illinois within your budget

Customize your flight search to find flights from Green Bay to Illinois 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Fri 1/24

12:45 pm-2:12 pm

Nonstop1h 27m

Chicago O'Hare Intl

Fri 1/31

8:35 pm-9:51 pm

Nonstop1h 16m

$217

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 1/30

4:17 pm-11:14 pm

1 stop6h 57m

Lambert-St Louis

Mon 2/3

6:00 am-11:34 am

1 stop5h 34m

$228

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 1/30

12:45 pm-11:46 pm

2 stops11h 01m

Lambert-St Louis

Mon 2/3

5:40 am-11:05 am

1 stop5h 25m

$233

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Wed 1/8

5:12 pm-8:53 pm

1 stop3h 41m

Chicago O'Hare Intl

Mon 1/27

10:10 am-3:37 pm

1 stop5h 27m

$236

Green BayChicago

GRB - MDW

GRBMDW

Green Bay Austin-Straubel

Fri 1/24

12:08 pm-5:47 pm

1 stop5h 39m

Chicago Midway

Sun 1/26

2:08 pm-8:39 pm

1 stop6h 31m

$307

Green BaySt. Louis

GRB - STL

GRBSTL

Green Bay Austin-Straubel

Thu 1/2

3:47 pm-9:45 pm

1 stop5h 58m

Lambert-St Louis

Mon 1/6

6:25 am-10:08 am

1 stop3h 43m

$555

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 1/2

3:47 pm-5:09 pm

Nonstop1h 22m

Chicago O'Hare Intl

Mon 1/6

8:45 am-10:08 am

Nonstop1h 23m

$617

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 1/16

12:45 pm-2:12 pm

Nonstop1h 27m

$109

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 1/16

6:45 am-12:55 pm

1 stop6h 10m

$118

Green BayChicago

GRB - ORD

GRBORD

Green Bay Austin-Straubel

Thu 1/16

5:17 pm-6:40 pm

Nonstop1h 23m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 11 results
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Best time to book a flight from Green Bay to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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.

Travel insights for flights from Green Bay to Illinois

Get recent, data-driven insights about flights from Green Bay to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Green Bay to Illinois (average of $232). Flying from Green Bay to Illinois in June is currently the most expensive (average of $308). 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 IL?

Find hourly flight availability from Green Bay to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Green Bay to Illinois as you normally would.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 19, 2024.
Read through reviews of airlines operating flights from Green Bay to Illinois, such as American Airlines, Delta and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,600 reviews
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,048 reviews
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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
8,600 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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 Illinois. 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 Illinois?

    Green Bay Austin-Straubel (GRB) is the airport you will fly out of if you book a flight from Green Bay to Illinois. It is only a 5.9 mi journey to Austin-Straubel (GRB) from Green Bay’s city center.

  • What are the cheapest airlines to fly from Green Bay to Illinois one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $109. Users have also found prices from $118 and $139 on Delta and United Airlines, respectively.

  • What are the most popular routes from Green Bay to Illinois?

    The most popular route from Green Bay to Illinois is Green Bay Austin-Straubel - Chicago O'Hare Intl. You may also consider Green Bay Austin-Straubel - Lambert-St Louis or Green Bay Austin-Straubel - Chicago Midway.

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

    Before booking your flight to Illinois from Green Bay, check out the most reliable airlines to get you to your destination on time: Envoy Air (93%), Copa Airlines (92%), SkyWest Airlines( 83%).

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

    Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Green Bay Austin-Straubel - Chicago O'Hare Intl) can be booked for $217 on average our data indicates $1,013 when flying from Green Bay to Illinois.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Green Bay to Illinois (average of $232). Flying from Green Bay to Illinois in June is currently the most expensive (average of $308). 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

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Alternative routes for Green Bay to Illinois

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Top 2 airlines flying from Green Bay to Illinois

Discover the top 2 airlines that operate flights from Green Bay to Illinois. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$180Average$305FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$283FlexibilityNo cancel feeOn-time71%
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