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

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRB
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Green Bay (GRB). 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 21, 2025.

Round-trip from

$217
(American Airlines)

One-way from

$109
(American Airlines)

Good round-trip deal

$217 or less

Good one-way deal

$146 or less
From Illinois to Green Bay Austin-Straubel
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One-way flight from Illinois to Green Bay Austin-Straubel
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Price to beat on a round-trip flight from Illinois to Green Bay Austin-Straubel.
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Price to beat on a one-way flight from Illinois to Green Bay Austin-Straubel.
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Find flight deals from Illinois to Green Bay

Cheapest flights from Illinois to Green Bay
Explore the most affordable flight options available from Illinois to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/20. 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 3/69:40 amORD - GRB
Nonstop1h 04mAmerican Airlines
Thu 3/136:34 pmGRB - ORD
Nonstop1h 11mAmerican Airlines
Deal found 1/20$217
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/143:37 pmORD - GRB
Nonstop1h 05mUnited Airlines
Sun 3/168:22 amGRB - ORD
Nonstop1h 33mUnited Airlines
Deal found 1/20$227
This Delta deal was found by Cheapflights users on 1/20. 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 2/194:58 pmORD - GRB
1 stop3h 38mDelta
Wed 2/265:20 pmGRB - ORD
1 stop3h 33mDelta
Deal found 1/20$237
This American Airlines deal was found by Cheapflights users on 1/21. 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 3/215:55 amSTL - GRB
1 stop5h 10mAmerican Airlines
Sat 3/296:00 amGRB - STL
1 stop4h 27mAmerican Airlines
Deal found 1/21$264
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/51:02 pmSTL - GRB
1 stop5h 56mUnited Airlines
Sun 2/96:30 amGRB - STL
1 stop5h 46mUnited Airlines
Deal found 1/21$279
This Delta deal was found by Cheapflights users on 1/21. 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 1/235:36 pmSTL - GRB
1 stop3h 57mDelta
Sat 1/256:18 amGRB - STL
1 stop4h 36mDelta
Deal found 1/21$299
This Delta deal was found by Cheapflights users on 1/20. 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 2/282:08 pmMDW - GRB
1 stop6h 28mDelta
Sun 3/26:45 amGRB - MDW
1 stop6h 20mDelta
Deal found 1/20$318

Find flights from Illinois to Green Bay within your budget

Customize your flight search to find flights from Illinois to Green Bay 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 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Sat 2/15

9:55 am-10:57 am

Nonstop1h 02m

Green Bay Austin-Straubel

Sun 2/16

6:33 pm-7:50 pm

Nonstop1h 17m

$217

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Fri 3/14

3:37 pm-4:42 pm

Nonstop1h 05m

Green Bay Austin-Straubel

Sun 3/16

8:22 am-9:55 am

Nonstop1h 33m

$227

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Wed 2/19

4:58 pm-8:36 pm

1 stop3h 38m

Green Bay Austin-Straubel

Wed 2/26

5:20 pm-8:53 pm

1 stop3h 33m

$237

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Fri 3/21

5:55 am-11:05 am

1 stop5h 10m

Green Bay Austin-Straubel

Sat 3/29

6:00 am-10:27 am

1 stop4h 27m

$264

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Wed 2/5

1:02 pm-6:58 pm

1 stop5h 56m

Green Bay Austin-Straubel

Sun 2/9

6:30 am-12:16 pm

1 stop5h 46m

$279

ChicagoGreen Bay

MDW - GRB

MDWGRB

Chicago Midway

Fri 2/28

2:08 pm-8:36 pm

1 stop6h 28m

Green Bay Austin-Straubel

Sun 3/2

6:45 am-1:05 pm

1 stop6h 20m

$318

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

Sun 2/23

6:43 am-10:28 am

1 stop3h 45m

Green Bay Austin-Straubel

Thu 2/27

5:20 pm-9:49 pm

1 stop4h 29m

$407

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Thu 2/20

8:50 pm-10:02 pm

Nonstop1h 12m

$109

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Tue 2/18

6:15 am-11:34 am

1 stop5h 19m

$119

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

Tue 2/18

5:50 pm-6:56 pm

Nonstop1h 06m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Best time to book a flight from Illinois to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Illinois 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 Illinois to Green Bay

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Green Bay (average of $331). Flying from Illinois to Green Bay in June is currently the most expensive (average of $496). 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 IL to GRB?

Find hourly flight availability from Illinois to Green Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

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

Weekly flight availability from Illinois to Green Bay

Explore weekly flight availability from Illinois to Green Bay. 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 January 21, 2025.

The most flights from USIL to GRB are scheduled on a Wednesday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Green Bay by month

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

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

Temperature in Green Bay by month

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

If weather is an important factor for your trip to Green Bay, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated January 21, 2025.
Read reviews from past customers who have flown American Airlines, United Airlines and Delta from Illinois to Green Bay. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

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
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

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
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

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
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

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 Illinois to Green Bay. 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 into for flights to Green Bay from Illinois?

    For a flight from Illinois to Green Bay, you will be flying into Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city.

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

    One-way options have recently been found by users for as low as $109 on American Airlines. Other airlines that offer cheap prices include Delta from $119 and United Airlines from $139 one-way.

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

    The most popular flight routes from Illinois to Green Bay are Chicago O'Hare Intl - Green Bay Austin-Straubel, Lambert-St Louis - Green Bay Austin-Straubel and Chicago Midway - Green Bay Austin-Straubel.

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

    No one likes to see their flight delayed. When booking a flight from Illinois to Green Bay consider choosing Republic Airways (100%), American Airlines (77%) or Air Wisconsin (77%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Illinois to Green Bay is generally $254, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Chicago O'Hare Intl - Green Bay Austin-Straubel), you can expect to pay $217 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Green Bay (average of $331). Flying from Illinois to Green Bay in June is currently the most expensive (average of $496). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Marinette
Manitowoc

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Alternative routes for Illinois to Green Bay

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Green Bay

Discover the top 2 airlines that operate flights from Illinois to Green Bay. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$184Average$369FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$184Average$289FlexibilityNo cancel feeOn-time71%
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