$199+ Cheap flights from Green Bay (GRB) to Chicago (CHI)
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — CHI
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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Find cheap flights from Green Bay to Chicago 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 Chicago
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Cheapest flights from Green Bay to ChicagoExplore the most affordable flight options available from Green Bay to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
Explore the most affordable flight options available from Green Bay to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sun 11/156:15 am -
Nonstop1h 34m
Sun 11/229:25 pm -
Nonstop1h 13m
Deal found 10/18![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/168:29 pm -
Nonstop1h 31m
Mon 11/238:15 am -
Nonstop1h 17m
Deal found 10/19![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/308:04 pm -
Nonstop1h 25m
Thu 11/511:00 pm -
Nonstop1h 06m
Deal found 10/15![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 11/157:00 am -
1 stop3h 39m
Sun 11/227:05 am -
1 stop3h 23m
Deal found 10/18![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/308:04 pm -
Nonstop1h 25m
Tue 11/35:09 pm -
Nonstop1h 13m
Deal found 10/15![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 10/314:51 pm -
1 stop4h 36m
Wed 11/46:20 am -
1 stop5h 17m
Deal found 10/16![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/229:05 am -
Nonstop1h 23m
Mon 10/2611:29 am -
Nonstop1h 17m
Deal found 10/15![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/235:00 am -
Nonstop1h 26m
Fri 10/306:45 pm -
Nonstop1h 29m
Deal found 10/18![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:00 am -
Nonstop1h 37m
Sat 11/77:52 pm -
Nonstop1h 11m
Deal found 10/19![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 10/18. 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 10/237:00 am -
1 stop5h 59m
Fri 10/305:29 pm -
1 stop3h 32m
Deal found 10/18![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 10/15. 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 10/1612:29 pm -
1 stop4h 11m
Sun 10/185:29 pm -
1 stop3h 32m
Deal found 10/15![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/201:32 pm -
Nonstop1h 23m
Fri 11/205:50 pm -
Nonstop1h 20m
Deal found 10/18![United Airlines logo]()
$535
Best flights from Green Bay to ChicagoDiscover carefully curated flight deals from Green Bay to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
Discover carefully curated flight deals from Green Bay to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 20, 2026.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 12/287:16 pm -
Nonstop1h 44m
Thu 12/311:45 pm -
Nonstop1h 15m
Deal found 10/19![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 1/316:15 am -
Nonstop1h 42m
Sun 2/149:25 pm -
Nonstop1h 16m
Deal found 10/16![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 10/18. 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 1/184:00 pm -
1 stop5h 37m
Thu 1/289:50 am -
1 stop6h 38m
Deal found 10/18![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/168:29 pm -
Nonstop1h 31m
Mon 11/235:06 pm -
Nonstop1h 16m
Deal found 10/19![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 10/15. 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 4/1612:30 pm -
1 stop4h 19m
Mon 5/310:35 am -
1 stop5h 53m
Deal found 10/15![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/15. 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 4/157:00 am -
1 stop5h 37m
Sun 5/96:00 am -
1 stop5h 24m
Deal found 10/15![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/15. 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.
Sat 4/177:00 am -
1 stop5h 37m
Sat 5/87:00 am -
1 stop3h 23m
Deal found 10/15![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/15. 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 4/1612:30 pm -
1 stop4h 19m
Tue 5/410:35 am -
1 stop5h 53m
Deal found 10/15![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/17. 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 12/115:32 pm -
1 stop4h 03m
Mon 12/146:20 am -
1 stop5h 34m
Deal found 10/17![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/15. 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.
Sat 4/177:00 am -
1 stop5h 37m
Wed 5/510:35 am -
1 stop5h 53m
Deal found 10/15![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/15. 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 4/1612:30 pm -
1 stop4h 19m
Sat 5/87:00 am -
1 stop3h 23m
Deal found 10/15![Delta logo]()
$329
Last-minute flights from Green Bay to ChicagoDiscover last-minute flight deals from Green Bay to Chicago. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Chicago. Data last updated October 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/229:05 am -
Nonstop1h 23m
Mon 10/2611:29 am -
Nonstop1h 17m
Deal found 10/15![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/235:00 am -
Nonstop1h 26m
Fri 10/306:45 pm -
Nonstop1h 29m
Deal found 10/18![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 10/18. 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 10/237:00 am -
1 stop5h 59m
Fri 10/305:29 pm -
1 stop3h 32m
Deal found 10/18![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/308:04 pm -
Nonstop1h 25m
Thu 11/511:00 pm -
Nonstop1h 06m
Deal found 10/15![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 10/15. 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 10/308:04 pm -
Nonstop1h 25m
Tue 11/35:09 pm -
Nonstop1h 13m
Deal found 10/15![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/16. 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.
Sat 10/314:51 pm -
1 stop4h 36m
Wed 11/46:20 am -
1 stop5h 17m
Deal found 10/16![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:00 am -
Nonstop1h 37m
Sat 11/77:52 pm -
Nonstop1h 11m
Deal found 10/19![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 10/16. 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 11/512:29 pm -
1 stop4h 11m
Sun 11/86:20 am -
1 stop5h 17m
Deal found 10/16![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sun 11/156:15 am -
Nonstop1h 34m
Sun 11/229:25 pm -
Nonstop1h 13m
Deal found 10/18![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 11/157:00 am -
1 stop3h 39m
Sun 11/227:05 am -
1 stop3h 23m
Deal found 10/18![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/168:29 pm -
Nonstop1h 31m
Mon 11/238:15 am -
Nonstop1h 17m
Deal found 10/19![American Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/201:32 pm -
Nonstop1h 23m
Fri 11/205:50 pm -
Nonstop1h 20m
Deal found 10/18![United Airlines logo]()
$535
One-way flights from Green Bay to ChicagoSearch for one-way flight options from Green Bay to Chicago. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
Search for one-way flight options from Green Bay to Chicago. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/49:45 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$199
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Sat 12/56:15 am -
Nonstop1h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 10/16. 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 11/302:37 pm -
Nonstop1h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![American Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 10/17. 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 12/25:32 pm -
1 stop4h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 11/226:00 am -
2 stops7h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 10/18. 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 11/255:38 pm -
1 stop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 10/18. 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.
Tue 11/245:38 pm -
1 stop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/2010:37 am -
Nonstop1h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 10/18. 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 11/206:00 am -
1 stop5h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/16:15 am -
Nonstop1h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 10/16. 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.
Sun 11/17:00 am -
1 stop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Delta logo]()
$339
Find flight deals from Green Bay to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Chicago (CHI). 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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (United Airlines) |
One-way from | $199 (United Airlines) |
Good round-trip deal | $382 or less |
Good one-way deal | $327 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Green Bay to Chicago 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 7,457,451 searches. Data last updated October 20, 2026.
Use the filters below to find and compare flights from Green Bay to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Fri 12/4
9:45 am-11:17 am
Nonstop1h 32m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Mon 11/16
8:29 pm-10:00 pm
Nonstop1h 31m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Thu 11/12
8:00 am-9:37 am
Nonstop1h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
Quickest round-trip
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Sat 12/5
2:33 pm-4:03 pm
Nonstop1h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Fri 11/13
8:00 am-9:37 am
Nonstop1h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Sat 12/5
6:15 am-7:49 am
Nonstop1h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Mon 4/12
7:30 am-9:00 am
Nonstop1h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$270
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Wed 12/2
5:32 pm-9:35 pm
1 stop4h 03m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Wed 4/7
5:00 pm-9:37 pm
1 stop4h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Fri 12/4
5:32 pm-9:35 pm
1 stop4h 03m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Green Bay to Chicago
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 Chicago in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Green Bay-Chicago 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Green Bay-Chicago 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 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 Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Green Bay with our price prediction graph.
GRB-CHI
GRB-ORD
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
GRB-CHI
GRB-ORD
What is the cheapest month to book a flight from Green Bay to Chicago?
Currently, December is the cheapest month in which you can book a flight from Green Bay to Chicago (average of $179). Flying from Green Bay to Chicago in February is currently the most expensive (average of $399). 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 CHI?
Find hourly flight availability from Green Bay to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2026.
It’s optimal to fly from Green Bay to Chicago at noon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.
Weekly flight availability from Green Bay to Chicago
Explore weekly flight availability from Green Bay to Chicago. 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 October 20, 2026.
The most flights from GRB to CHI are scheduled on a Monday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 on average).
What is the cheapest day to fly from Green Bay to Chicago?
Use this chart to determine the cheapest time to fly round-trip from Green Bay to Chicago. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their Green Bay to Chicago flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Green Bay to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Merrillville
Lansing
Valparaiso
Hammond
Saint Joseph
Porter
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Top 2 airlines flying from Green Bay to Chicago
Discover the top 2 airlines that operate flights from Green Bay to Chicago. 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 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$279 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$249 | FlexibilityNo cancel fee | On-time71% |