$179+ Cheap flights from Green Bay (GRB) to O'Hare Intl (ORD)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — ORD
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from Green Bay to O'Hare Intl 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 O'Hare Intl
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Cheapest flights from Green Bay to O'Hare IntlExplore the most affordable flight options available from Green Bay to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
Explore the most affordable flight options available from Green Bay to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/76:20 am -
Nonstop1h 26m
Tue 10/207:45 pm -
Nonstop1h 18m
Deal found 9/2![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/238:27 pm -
Nonstop1h 33m
Sat 9/268:15 am -
Nonstop1h 20m
Deal found 9/5![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 9/3. 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 10/37:00 am -
1 stop5h 58m
Sun 10/47:05 am -
1 stop3h 17m
Deal found 9/3![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/38:27 pm -
Nonstop1h 33m
Sat 10/1011:00 pm -
Nonstop1h 12m
Deal found 9/5![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/174:04 pm -
Nonstop1h 28m
Mon 9/218:15 am -
Nonstop1h 20m
Deal found 9/2![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/5. 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 10/37:00 am -
1 stop3h 37m
Mon 10/56:10 am -
1 stop5h 12m
Deal found 9/5![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/173:42 pm -
Nonstop1h 23m
Mon 9/2110:00 pm -
Nonstop1h 19m
Deal found 9/4![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 9/1. 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 9/177:00 am -
1 stop5h 59m
Sun 9/206:10 am -
1 stop5h 12m
Deal found 9/1![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/115:05 pm -
Nonstop1h 25m
Sun 9/136:00 pm -
Nonstop1h 22m
Deal found 9/1![United Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/3![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/1. 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 9/154:16 pm -
1 stop5h 17m
Mon 9/215:10 pm -
1 stop3h 22m
Deal found 9/1![Delta logo]()
$334
Best flights from Green Bay to O'Hare IntlDiscover carefully curated flight deals from Green Bay to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Green Bay to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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
Sat 10/2411:10 am -
Nonstop1h 20m
Deal found 9/1![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/62:40 pm -
Nonstop1h 20m
Sun 11/86:46 pm -
Nonstop1h 13m
Deal found 9/5![American Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 9/1. 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 9/307:00 am -
1 stop3h 37m
Wed 10/76:20 am -
1 stop5h 17m
Deal found 9/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/15:00 am -
Nonstop1h 26m
Thu 10/86:30 pm -
Nonstop1h 19m
Deal found 9/3![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 9/1. 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 10/234:51 pm -
1 stop4h 36m
Sat 10/246:20 am -
1 stop5h 17m
Deal found 9/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/4. 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 11/2610:37 am -
Nonstop1h 22m
Sun 12/279:53 pm -
Nonstop1h 22m
Deal found 9/4![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/2. 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 1/71:25 pm -
Nonstop1h 30m
Sun 1/103:35 pm -
Nonstop1h 21m
Deal found 9/2![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/3. 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 10/77:00 am -
1 stop3h 29m
Sun 10/185:29 pm -
1 stop3h 32m
Deal found 9/3![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 9/5. 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 11/64:51 pm -
1 stop4h 36m
Sun 11/87:00 am -
1 stop3h 24m
Deal found 9/5![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1710:31 am -
Nonstop1h 28m
Mon 9/2110:00 pm -
Nonstop1h 19m
Deal found 9/1![United Airlines logo]()
$369
Last-minute flights from Green Bay to O'Hare IntlDiscover last-minute flight deals from Green Bay to O'Hare Intl. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to O'Hare Intl. Data last updated September 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/1![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/115:05 pm -
Nonstop1h 25m
Sun 9/136:00 pm -
Nonstop1h 22m
Deal found 9/1![United Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/3![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/1. 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 9/154:16 pm -
1 stop5h 17m
Mon 9/215:10 pm -
1 stop3h 22m
Deal found 9/1![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/174:04 pm -
Nonstop1h 28m
Mon 9/218:15 am -
Nonstop1h 20m
Deal found 9/2![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/173:42 pm -
Nonstop1h 23m
Mon 9/2110:00 pm -
Nonstop1h 19m
Deal found 9/4![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 9/1. 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 9/177:00 am -
1 stop5h 59m
Sun 9/206:10 am -
1 stop5h 12m
Deal found 9/1![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/238:27 pm -
Nonstop1h 33m
Sat 9/268:15 am -
Nonstop1h 20m
Deal found 9/5![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 9/3. 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 10/34:16 pm -
1 stop5h 22m
Mon 10/56:10 am -
1 stop5h 12m
Deal found 9/3![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/38:27 pm -
Nonstop1h 33m
Sat 10/1011:00 pm -
Nonstop1h 12m
Deal found 9/5![American Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/76:20 am -
Nonstop1h 26m
Tue 10/207:45 pm -
Nonstop1h 18m
Deal found 9/2![United Airlines logo]()
$269
One-way flights from Green Bay to O'Hare IntlSearch for one-way flight options from Green Bay to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Green Bay to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/1710:33 am -
Nonstop1h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 9/2. 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 10/212:02 pm -
1 stop20h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$188
This Delta deal was found by Cheapflights users on 9/2. 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 12/45:32 pm -
1 stop15h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$198
This Delta deal was found by Cheapflights users on 9/3. 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 10/304:51 pm -
1 stop18h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$228
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/28:27 pm -
Nonstop1h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 9/2. 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 11/24:51 pm -
1 stop16h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:36 pm -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$259
This Delta deal was found by Cheapflights users on 9/1. 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 11/277:00 am -
1 stop9h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$264
This Delta deal was found by Cheapflights users on 9/2. 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 12/112:36 pm -
1 stop20h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 9/2. 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 11/45:55 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$269
Find flight deals from Green Bay to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to O'Hare Intl (ORD). 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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (American Airlines) |
One-way from | $179 (United Airlines) |
Popular in | February |
Cheapest in | May |
Average price | $249 |
Good round-trip deal | $377 or less |
Good one-way deal | $295 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Green Bay to O'Hare Intl 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 September 6, 2026.
Use the filters below to find and compare flights from Green Bay to Chicago O'Hare Intl Airport 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
Mon 3/1
7:00 am-12:37 pm
1 stop5h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Thu 3/4
7:00 am-12:37 pm
1 stop5h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Wed 10/21
7:00 am-10:29 am
1 stop3h 29m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Wed 12/2
7:00 am-10:59 am
1 stop3h 59m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Fri 12/4
5:32 pm-10:49 am
2 stops17h 17m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$264
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Sun 11/29
9:25 pm-11:00 pm
Nonstop1h 35m
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
Mon 3/1
1:11 pm-2:25 pm
Nonstop1h 14m
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
Sun 2/28
10:46 am-12:00 pm
Nonstop1h 14m
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 3/4
10:45 am-11:59 am
Nonstop1h 14m
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
Tue 10/6
4:51 pm-9:27 pm
1 stop4h 36m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Green Bay to O'Hare Intl
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 O'Hare Intl in September.
| 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 O'Hare Intl Airport 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 O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Green Bay-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Green Bay with our price prediction graph.
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 O'Hare Intl Airport
What is the cheapest month to book a flight from Green Bay to Chicago O'Hare Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Green Bay to Chicago O'Hare Intl Airport (average of $208). Flying from Green Bay to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $517). 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 ORD?
Find hourly flight availability from Green Bay to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 6, 2026.
A simple way to save on the total cost of your ticket is to fly from Green Bay to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from Green Bay to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Green Bay to O'Hare Intl. Price data was last updated on August 29, 2026.
Travelers seeking maximum savings on their Green Bay to Chicago O'Hare Intl Airport 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 O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 6, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Green Bay to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Food
6.6
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 O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Glenview
Lake Geneva
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Des Plaines
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Skokie
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Top 2 airlines flying from Green Bay to O'Hare Intl
Discover the top 2 airlines that operate flights from Green Bay to O'Hare Intl. 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 September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$252 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$249 | FlexibilityNo cancel fee | On-time71% |