$169+ Cheap flights from Green Bay (GRB) to Chicago (CHI)
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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — CHI
Sep 14 — Sep 211
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
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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 August 15, 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 August 15, 2026.
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/118:27 pm -
Nonstop1h 33m
Sun 9/136:40 pm -
Nonstop1h 16m
Deal found 8/11![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/244:16 pm -
Nonstop1h 28m
Thu 10/111:00 pm -
Nonstop1h 13m
Deal found 8/10![American Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/312:30 pm -
Nonstop1h 26m
Tue 9/87:45 pm -
Nonstop1h 19m
Deal found 8/15![United Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 8/12. 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 9/511:17 am -
1 stop5h 42m
Tue 9/89:59 am -
1 stop5h 37m
Deal found 8/12![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/12. 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 9/511:17 am -
1 stop5h 00m
Tue 9/83:55 pm -
1 stop5h 40m
Deal found 8/12![Delta logo]()
$269
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/297:02 pm -
Nonstop1h 38m
Wed 9/210:45 am -
Nonstop1h 11m
Deal found 8/14![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 8/15. 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 9/311:07 am -
1 stop5h 10m
Tue 9/81:55 pm -
1 stop6h 37m
Deal found 8/15![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/215:29 pm -
Nonstop1h 25m
Fri 8/2810:00 pm -
Nonstop1h 19m
Deal found 8/13![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 8/11. 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 11/47:00 am -
1 stop5h 59m
Wed 11/1111:29 am -
1 stop5h 57m
Deal found 8/11![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 8/10. 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 8/256:57 am -
1 stop5h 42m
Sat 8/291:25 pm -
1 stop3h 30m
Deal found 8/10![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/14. 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 8/296:57 am -
1 stop6h 53m
Wed 9/26:00 am -
1 stop5h 22m
Deal found 8/14![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/213:20 pm -
Nonstop1h 24m
Mon 8/2410:45 am -
Nonstop1h 11m
Deal found 8/13![American Airlines logo]()
$309
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 August 15, 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 August 15, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/241:17 pm -
Nonstop1h 26m
Sun 10/258:45 am -
Nonstop1h 17m
Deal found 8/13![United Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/812:26 pm -
Nonstop1h 23m
Tue 9/158:15 am -
Nonstop1h 20m
Deal found 8/11![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 8/12. 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 9/511:17 am -
1 stop5h 00m
Tue 9/83:55 pm -
1 stop5h 40m
Deal found 8/12![Delta logo]()
$269
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 10/78:04 pm -
Nonstop1h 25m
Sun 10/185:04 pm -
Nonstop1h 18m
Deal found 8/15![American Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/95:05 pm -
Nonstop1h 25m
Wed 9/1610:00 pm -
Nonstop1h 19m
Deal found 8/12![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 8/15. 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 9/311:07 am -
1 stop5h 10m
Tue 9/81:55 pm -
1 stop6h 37m
Deal found 8/15![Delta logo]()
$284
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/77:02 pm -
Nonstop1h 38m
Mon 9/146:40 pm -
Nonstop1h 16m
Deal found 8/10![American Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/312:30 pm -
Nonstop1h 26m
Tue 9/87:45 pm -
Nonstop1h 19m
Deal found 8/15![United Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 8/14. 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 8/296:57 am -
1 stop5h 42m
Wed 9/29:59 am -
1 stop5h 33m
Deal found 8/14![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/297:02 pm -
Nonstop1h 38m
Wed 9/210:45 am -
Nonstop1h 11m
Deal found 8/14![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 8/10. 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 8/256:57 am -
1 stop5h 42m
Sat 8/291:25 pm -
1 stop3h 30m
Deal found 8/10![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/12. 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 2/91:11 pm -
Nonstop1h 14m
Sat 2/136:00 pm -
Nonstop1h 05m
Deal found 8/12![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/14. 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 8/296:57 am -
1 stop6h 53m
Wed 9/26:00 am -
1 stop5h 22m
Deal found 8/14![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/13. 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 9/912:02 pm -
1 stop6h 17m
Wed 9/161:19 pm -
1 stop4h 01m
Deal found 8/13![Delta logo]()
$549
This Delta deal was found by Cheapflights users on 8/12. 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 9/1012:02 pm -
1 stop6h 17m
Wed 9/161:19 pm -
1 stop4h 01m
Deal found 8/12![Delta logo]()
$549
This Delta deal was found by Cheapflights users on 8/11. 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 9/1111:02 am -
1 stop5h 15m
Sun 9/131:19 pm -
1 stop4h 01m
Deal found 8/11![Delta logo]()
$814
This Delta deal was found by Cheapflights users on 8/10. 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 9/76:15 am -
1 stop6h 55m
Mon 9/141:19 pm -
1 stop4h 01m
Deal found 8/10![Delta logo]()
$1,140
This Delta deal was found by Cheapflights users on 8/13. 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 9/267:00 am -
1 stop5h 39m
Sun 9/279:59 am -
1 stop5h 37m
Deal found 8/13![Delta logo]()
$1,180
Last-minute flights from Green Bay to ChicagoDiscover last-minute flight deals from Green Bay to Chicago. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Chicago. Data last updated August 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/215:29 pm -
Nonstop1h 25m
Fri 8/2810:00 pm -
Nonstop1h 19m
Deal found 8/13![United Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 8/13. 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 8/213:20 pm -
Nonstop1h 24m
Mon 8/2410:45 am -
Nonstop1h 11m
Deal found 8/13![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 8/10. 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 8/256:57 am -
1 stop5h 42m
Sat 8/291:25 pm -
1 stop3h 30m
Deal found 8/10![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/297:02 pm -
Nonstop1h 38m
Wed 9/210:45 am -
Nonstop1h 11m
Deal found 8/14![American Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 8/14. 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 8/296:57 am -
1 stop6h 53m
Wed 9/26:00 am -
1 stop5h 22m
Deal found 8/14![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/312:30 pm -
Nonstop1h 26m
Tue 9/87:45 pm -
Nonstop1h 19m
Deal found 8/15![United Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 8/15. 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 9/311:07 am -
1 stop5h 10m
Tue 9/81:55 pm -
1 stop6h 37m
Deal found 8/15![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 8/12. 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 9/511:17 am -
1 stop5h 42m
Tue 9/89:59 am -
1 stop5h 37m
Deal found 8/12![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/12. 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 9/511:17 am -
1 stop5h 00m
Tue 9/83:55 pm -
1 stop5h 40m
Deal found 8/12![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/10. 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 9/912:02 pm -
1 stop5h 31m
Wed 9/165:10 pm -
1 stop3h 22m
Deal found 8/10![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/118:27 pm -
Nonstop1h 33m
Sun 9/136:40 pm -
Nonstop1h 16m
Deal found 8/11![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/244:16 pm -
Nonstop1h 28m
Thu 10/111:00 pm -
Nonstop1h 13m
Deal found 8/10![American Airlines logo]()
$250
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 August 15, 2026.
Search for one-way flight options from Green Bay to Chicago. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This American Airlines deal was found by Cheapflights users on 8/12. 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 12/410:02 am -
Nonstop1h 23m
Deal found 8/12![American Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 8/14. 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 11/135:35 pm -
1 stop18h 13m
Deal found 8/14![Delta logo]()
$188
This American Airlines deal was found by Cheapflights users on 8/12. 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 12/25:50 am -
Nonstop1h 33m
Deal found 8/12![American Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 8/12. 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 9/116:00 pm -
2 stops22h 30m
Deal found 8/12![Delta logo]()
$235
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/1110:05 am -
Nonstop1h 21m
Deal found 8/12![American Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 8/11. 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 9/912:02 pm -
1 stop6h 17m
Deal found 8/11![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 8/12. 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 9/127:00 am -
1 stop5h 58m
Deal found 8/12![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 8/11. 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 9/1012:02 pm -
1 stop20h 28m
Deal found 8/11![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 8/12. 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 11/1912:25 pm -
1 stop4h 14m
Deal found 8/12![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/14. 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 2/117:00 am -
1 stop5h 37m
Deal found 8/14![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 8/12. 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 11/207:00 am -
1 stop5h 35m
Deal found 8/12![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 8/11. 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 10/112:02 pm -
1 stop6h 17m
Deal found 8/11![Delta logo]()
$324
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 August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (American Airlines) |
One-way from | $169 (American Airlines) |
Good round-trip deal | $378 or less |
Good one-way deal | $298 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 2,558,603 searches. Data last updated August 15, 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
Sat 10/24
1:17 pm-2:43 pm
Nonstop1h 26m
Chicago O'Hare Intl
Sun 10/25
8:45 am-10:02 am
Nonstop1h 17m
$249
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Tue 9/8
12:26 pm-1:49 pm
Nonstop1h 23m
Chicago O'Hare Intl
Tue 9/15
8:15 am-9:35 am
Nonstop1h 20m
$249
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Wed 10/7
8:04 pm-9:29 pm
Nonstop1h 25m
Chicago O'Hare Intl
Sun 10/18
5:04 pm-6:22 pm
Nonstop1h 18m
$249
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Wed 9/9
5:05 pm-6:30 pm
Nonstop1h 25m
Chicago O'Hare Intl
Wed 9/16
10:00 pm-11:19 pm
Nonstop1h 19m
$249
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Mon 9/7
7:02 pm-8:40 pm
Nonstop1h 38m
Chicago O'Hare Intl
Mon 9/14
6:40 pm-7:56 pm
Nonstop1h 16m
$264
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Thu 9/3
12:30 pm-1:56 pm
Nonstop1h 26m
Chicago O'Hare Intl
Tue 9/8
7:45 pm-9:04 pm
Nonstop1h 19m
$264
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Sat 9/5
11:17 am-4:17 pm
1 stop5h 00m
Chicago O'Hare Intl
Tue 9/8
3:55 pm-9:35 pm
1 stop5h 40m
$269
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Sat 8/29
7:02 pm-8:40 pm
Nonstop1h 38m
Chicago O'Hare Intl
Wed 9/2
10:45 am-11:56 am
Nonstop1h 11m
$279
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Thu 9/3
11:07 am-4:17 pm
1 stop5h 10m
Chicago O'Hare Intl
Tue 9/8
1:55 pm-8:32 pm
1 stop6h 37m
$284
Green BayChicago
GRB Green Bay Austin-Straubel - MDW Chicago Midway
GRBMDW
Green Bay Austin-Straubel
Sat 8/29
6:57 am-12:39 pm
1 stop5h 42m
Chicago Midway
Wed 9/2
9:59 am-3:32 pm
1 stop5h 33m
$299
Showing 1-10 of 37 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 August.
| 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
GRB-MDW
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
GRB-MDW
What is the cheapest month to book a flight from Green Bay to Chicago?
Currently, May is the cheapest month in which you can book a flight from Green Bay to Chicago (average of $208). Flying from Green Bay to Chicago in August is currently the most expensive (average of $607). 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 August 15, 2026.
It’s optimal to fly from Green Bay to Chicago at noon. By choosing this option you can save up to 19% 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 August 15, 2026.
The most flights from GRB to CHI are scheduled on a Friday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 August 15, 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. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated August 15, 2026.
Peruse reviews from past customers who have flown with United Airlines from Green Bay to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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Other flights to Chicago
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Green Bay and Chicago flights
Browse other Green Bay and Chicago flight options. Last updated on August 15, 2026.
Other flights from Green Bay
Browse through other flights departing from Green Bay. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
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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 2,558,603 searches. Data last updated August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$269 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$242 | FlexibilityNo cancel fee | On-time71% |