$179+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — CHI
Oct 7 — Oct 141
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 September 7, 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 September 7, 2026.
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.
Wed 10/76:00 am -
Nonstop1h 27m
Sun 10/184:59 pm -
Nonstop1h 18m
Deal found 9/3![American 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 9/7. 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 10/312:02 pm -
1 stop4h 57m
Mon 10/56:10 am -
1 stop5h 12m
Deal found 9/7![Delta logo]()
$309
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 American 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 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
Fri 10/911:00 pm -
Nonstop1h 12m
Deal found 9/4![American Airlines logo]()
$319
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.
Thu 10/297:00 am -
1 stop5h 47m
Sat 10/3110:12 am -
1 stop5h 59m
Deal found 9/5![Delta logo]()
$324
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 9/5. 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.
Wed 9/2312:02 pm -
1 stop4h 57m
Sat 9/267:05 am -
1 stop3h 17m
Deal found 9/5![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/268:27 pm -
Nonstop1h 33m
Mon 9/286:40 pm -
Nonstop1h 16m
Deal found 9/7![American Airlines logo]()
$354
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 September 7, 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 September 7, 2026.
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 9/3. 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 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 Delta deal was found by Cheapflights users on 9/7. 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 1/64:00 pm -
1 stop5h 37m
Mon 1/1112:15 pm -
1 stop3h 39m
Deal found 9/7![Delta logo]()
$309
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.
Thu 10/297:00 am -
1 stop5h 47m
Sat 10/3110:12 am -
1 stop5h 59m
Deal found 9/5![Delta logo]()
$324
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 1/71:25 pm -
Nonstop1h 30m
Sun 1/103:35 pm -
Nonstop1h 21m
Deal found 9/3![United Airlines logo]()
$339
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.
Wed 9/2312:02 pm -
1 stop4h 57m
Sat 9/267:05 am -
1 stop3h 17m
Deal found 9/5![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/125:55 pm -
Nonstop1h 35m
Sun 11/155:50 pm -
Nonstop1h 20m
Deal found 9/6![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/6. 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 9/184:16 pm -
1 stop5h 17m
Sun 9/201:55 pm -
1 stop6h 37m
Deal found 9/6![Delta logo]()
$354
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.
Wed 9/2312:02 pm -
1 stop6h 17m
Sat 9/269:59 am -
1 stop5h 37m
Deal found 9/5![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 9/7. 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 11/46:00 am -
1 stop5h 47m
Fri 11/65:31 pm -
1 stop4h 12m
Deal found 9/7![Delta logo]()
$537
This Delta deal was found by Cheapflights users on 9/7. 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 9/2612:02 pm -
1 stop5h 57m
Sun 9/271:19 pm -
1 stop4h 01m
Deal found 9/7![Delta logo]()
$549
This Delta deal was found by Cheapflights users on 9/7. 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 9/287:00 am -
1 stop5h 39m
Tue 9/299:59 am -
1 stop5h 37m
Deal found 9/7![Delta logo]()
$577
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.
Thu 9/247:00 am -
1 stop5h 39m
Sun 9/271:19 pm -
1 stop4h 01m
Deal found 9/3![Delta logo]()
$598
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
1 stop4h 25m
Sun 12/2711:47 am -
1 stop4h 23m
Deal found 9/4![Delta logo]()
$679
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 11/67:00 am -
1 stop5h 47m
Sun 11/81:27 pm -
1 stop3h 54m
Deal found 9/5![Delta logo]()
$769
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 9/187:00 am -
1 stop5h 39m
Tue 9/221:19 pm -
1 stop4h 01m
Deal found 9/2![Delta logo]()
$836
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 9/177:00 am -
1 stop5h 39m
Mon 9/211:19 pm -
1 stop4h 01m
Deal found 9/2![Delta logo]()
$836
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.
Thu 10/17:00 am -
1 stop5h 39m
Thu 10/81:27 pm -
1 stop3h 54m
Deal found 9/3![Delta logo]()
$939
Last-minute flights from Green Bay to ChicagoDiscover last-minute flight deals from Green Bay to Chicago. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Chicago. Data last updated September 7, 2026 and is based on user searches.
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.
Tue 9/87:02 pm -
Nonstop1h 38m
Sat 9/122:18 pm -
Nonstop1h 16m
Deal found 9/5![American Airlines logo]()
$362
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 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 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 9/5. 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.
Wed 9/2312:02 pm -
1 stop4h 57m
Sat 9/267:05 am -
1 stop3h 17m
Deal found 9/5![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/268:27 pm -
Nonstop1h 33m
Mon 9/286:40 pm -
Nonstop1h 16m
Deal found 9/7![American Airlines logo]()
$354
This American 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 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
Fri 10/911:00 pm -
Nonstop1h 12m
Deal found 9/4![American Airlines logo]()
$319
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 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.
Wed 10/76:00 am -
Nonstop1h 27m
Sun 10/184:59 pm -
Nonstop1h 18m
Deal found 9/3![American Airlines logo]()
$269
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.
Thu 10/297:00 am -
1 stop5h 47m
Sat 10/3110:12 am -
1 stop5h 59m
Deal found 9/5![Delta logo]()
$324
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 September 7, 2026.
Search for one-way flight options from Green Bay to Chicago. Find affordable one-way fares based on user searches. Data last updated September 7, 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 9/3. 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 9/7. 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 10/229:58 am -
Nonstop1h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$248
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.
Thu 9/244:16 pm -
Nonstop1h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$249
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 12/45:32 pm -
2 stops17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$251
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.
Sat 10/36:15 am -
1 stop10h 44m
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.
Sat 10/177:00 am -
1 stop5h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$259
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/51:11 pm -
Nonstop1h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$259
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$269
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.
Wed 11/411:04 am -
1 stop5h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$269
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:30 am -
1 stop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$274
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (American Airlines) |
One-way from | $179 (American Airlines) |
Good round-trip deal | $381 or less |
Good one-way deal | $286 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 September 7, 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 - MDW Chicago Midway
GRBMDW
Green Bay Austin-Straubel
Sat 10/17
7:00 am-12:47 pm
1 stop5h 47m
Chicago Midway
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
Sun 2/28
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
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
Quickest round-trip
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 - MDW Chicago Midway
GRBMDW
Green Bay Austin-Straubel
Thu 11/26
6:00 am-10:25 am
1 stop4h 25m
Chicago Midway
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 12/7
12:36 pm-7:43 pm
1 stop7h 07m
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
7:00 am-12:37 pm
1 stop5h 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
Thu 10/22
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
Green BayChicago
GRB Green Bay Austin-Straubel - ORD Chicago O'Hare Intl
GRBORD
Green Bay Austin-Straubel
Fri 10/2
11:02 am-4:13 pm
1 stop5h 11m
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
Wed 3/3
12:30 pm-4:49 pm
1 stop4h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$269
Showing 1-10 of 41 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 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 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-MDW
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-MDW
GRB-ORD
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 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 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 September 7, 2026.
It’s optimal to fly from Green Bay to Chicago at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the evening.
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 September 5, 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.
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
Browse thousands of different options on Cheapflights for your next trip
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Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Complete your trip
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Green Bay and Chicago flights
Browse other Green Bay and Chicago flight options. Last updated on September 7, 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 September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 September 7, 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% |