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Green Bay

$179+ Cheap flights from Illinois to Green Bay (GRB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRB
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap 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 enero 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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.
mar. 4/78:40 am
ORD
-
GRB
Nonstop1h 20m
United Airlines
mar. 4/143:00 pm
GRB
-
ORD
Nonstop1h 22m
United Airlines
Deal found 1/28$179
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/109:40 am
ORD
-
GRB
Nonstop1h 10m
American Airlines
dom. 2/155:00 am
GRB
-
ORD
Nonstop1h 24m
American Airlines
Deal found 1/26$209
This Delta deal was found by Cheapflights users on 1/28. 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.
mar. 4/77:10 am
ORD
-
GRB
1 stop3h 17m
Delta
mar. 4/1412:00 pm
GRB
-
ORD
1 stop6h 13m
Delta
Deal found 1/28$214
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.
mar. 2/106:15 am
ORD
-
GRB
1 stop5h 06m
Delta
dom. 2/1512:08 pm
GRB
-
ORD
1 stop5h 53m
Delta
Deal found 1/26$229
This Delta deal was found by Cheapflights users on 1/27. 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.
mié. 2/119:53 am
MDW
-
GRB
1 stop5h 44m
Delta
dom. 2/157:00 am
GRB
-
MDW
1 stop5h 46m
Delta
Deal found 1/27$229
This American Airlines deal was found by Cheapflights users on 1/27. 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.
jue. 7/95:07 pm
ORD
-
GRB
Nonstop1h 12m
American Airlines
mar. 7/146:49 pm
GRB
-
ORD
Nonstop1h 26m
American Airlines
Deal found 1/27$234
This United Airlines deal was found by Cheapflights users on 1/28. 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.
mié. 6/311:00 am
ORD
-
GRB
Nonstop1h 24m
United Airlines
sáb. 6/61:11 pm
GRB
-
ORD
Nonstop1h 25m
United Airlines
Deal found 1/28$239
This Delta deal was found by Cheapflights users on 1/28. 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.
mié. 6/36:00 am
ORD
-
GRB
1 stop5h 09m
Delta
sáb. 6/611:53 am
GRB
-
ORD
1 stop4h 55m
Delta
Deal found 1/28$249
This Delta deal was found by Cheapflights users on 1/28. 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.
sáb. 2/78:50 am
ORD
-
GRB
1 stop6h 45m
Delta
lun. 2/95:28 pm
GRB
-
ORD
1 stop3h 37m
Delta
Deal found 1/28$259
This Delta deal was found by Cheapflights users on 1/27. 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.
mié. 2/1111:23 am
STL
-
GRB
1 stop4h 14m
Delta
dom. 2/156:15 am
GRB
-
STL
1 stop4h 28m
Delta
Deal found 1/27$259
This Delta deal was found by Cheapflights users on 1/28. 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.
sáb. 2/711:45 am
MDW
-
GRB
1 stop3h 50m
Delta
lun. 2/912:06 pm
GRB
-
MDW
1 stop6h 30m
Delta
Deal found 1/28$259
This American Airlines deal was found by Cheapflights users on 1/27. 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.
mié. 2/116:52 am
STL
-
GRB
2 stops9h 31m
American Airlines
dom. 2/155:00 am
GRB
-
STL
1 stop3h 35m
American Airlines
Deal found 1/27$264

Find flight deals from Illinois to Green Bay

Keep the following information in mind while searching for Illinois to Green Bay flight deals. Data was last updated enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(United Airlines)

Popular in

May

Cheapest in

April

Average price

$367

Good one-way deal

$214 or less
Provider with most accurate pricing for Chicago (CHI)-Green Bay Austin-Straubel flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Green Bay Austin-Straubel flights.
Search Deals
From Illinois to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Illinois to Green Bay Austin-Straubel.
Search Deals

Cheapflights Fare Finder

 
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 enero 29, 2026.
Use the filters below to find and compare flights from Illinois to Green Bay that are best for you.

Fly from

Illinois

Fly to

Green Bay

Route

Depart

Return

Price

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

mar. 4/7

8:40 am-10:00 am

Nonstop1h 20m

Green Bay Austin-Straubel

mar. 4/14

3:00 pm-4:22 pm

Nonstop1h 22m

$179

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

mar. 4/7

7:10 am-10:27 am

1 stop3h 17m

Green Bay Austin-Straubel

mar. 4/14

12:00 pm-6:13 pm

1 stop6h 13m

$214

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

mar. 2/10

6:15 am-11:21 am

1 stop5h 06m

Green Bay Austin-Straubel

dom. 2/15

12:08 pm-6:01 pm

1 stop5h 53m

$229

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

mié. 2/11

6:15 am-11:21 am

1 stop5h 06m

Green Bay Austin-Straubel

dom. 2/15

12:08 pm-6:01 pm

1 stop5h 53m

$229

ChicagoGreen Bay

MDW - GRB

MDWGRB

Chicago Midway

mié. 2/11

9:53 am-3:37 pm

1 stop5h 44m

Green Bay Austin-Straubel

dom. 2/15

7:00 am-12:46 pm

1 stop5h 46m

$229

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

jue. 7/9

5:07 pm-6:19 pm

Nonstop1h 12m

Green Bay Austin-Straubel

mar. 7/14

6:49 pm-8:15 pm

Nonstop1h 26m

$234

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

mié. 6/3

8:40 am-10:02 am

Nonstop1h 22m

Green Bay Austin-Straubel

sáb. 6/6

5:26 pm-6:49 pm

Nonstop1h 23m

$239

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

mié. 6/3

6:00 am-11:09 am

1 stop5h 09m

Green Bay Austin-Straubel

sáb. 6/6

11:53 am-4:48 pm

1 stop4h 55m

$249

St. LouisGreen Bay

STL - GRB

STLGRB

Lambert-St Louis

mié. 2/11

11:23 am-3:37 pm

1 stop4h 14m

Green Bay Austin-Straubel

dom. 2/15

6:15 am-10:43 am

1 stop4h 28m

$259

ChicagoGreen Bay

ORD - GRB

ORDGRB

Chicago O'Hare Intl

jue. 2/12

3:46 pm-4:53 pm

Nonstop1h 07m

Green Bay Austin-Straubel

lun. 2/16

5:28 pm-6:50 pm

Nonstop1h 22m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 35 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Green Bay

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Green Bay (average of $84). Flying from Illinois to Green Bay in April is currently the most expensive (average of $304). 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 enero 29, 2026.

It’s optimal to fly from Illinois to Green Bay in the evening. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight at noon.

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 enero 29, 2026.

The most flights from USIL to GRB are scheduled on a Wednesday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 on average).

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.

  • How long is the flight from Illinois to Green Bay?

    Departing from Illinois to Green Bay will take you 1h 12m. Illinois and Green Bay are separated by a distance of 173 mi. This flight may include one or multiple stops.

  • 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 (92%), Iberia (66%) or Qatar Airways (61%) 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 $234, our data shows the cheapest flight currently is $203. When looking at the most popular route, (Chicago O'Hare Intl - Green Bay Austin-Straubel), you can expect to pay $179 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, February is the cheapest month in which you can book a flight from Illinois to Green Bay (average of $84). Flying from Illinois to Green Bay in April is currently the most expensive (average of $304). 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 Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$253FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$207Average$337FlexibilityNo cancel feeOn-time69%

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