$271+ Cheap flights from Colorado to Green Bay (GRB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRB
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Green Bay 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 Colorado to Green Bay
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Cheapest flights from Colorado to Green BayExplore the most affordable flight options available from Colorado to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Colorado to Green Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/146:09 pm -
1 stop5h 03m
Sat 10/178:04 pm -
1 stop5h 32m
Deal found 9/9![American Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/206:09 pm -
1 stop5h 03m
Tue 10/278:04 pm -
1 stop5h 32m
Deal found 9/13![American Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/243:14 pm -
2 stops7h 58m
Wed 10/286:00 am -
2 stops11h 04m
Deal found 9/12![American Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 10/136:05 am -
1 stop4h 32m
Sat 10/174:51 pm -
1 stop4h 15m
Deal found 9/12![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 9/12. 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 12/21:12 pm -
2 stops9h 54m
Wed 12/96:54 pm -
1 stop6h 32m
Deal found 9/12![American Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 9/9. 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 11/146:11 pm -
1 stop4h 55m
Mon 11/168:29 pm -
1 stop4h 57m
Deal found 9/9![American Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:19 am -
2 stops11h 00m
Sat 10/103:45 pm -
2 stops7h 30m
Deal found 9/10![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/103:58 pm -
2 stops7h 14m
Sat 10/176:00 am -
2 stops10h 00m
Deal found 9/9![American Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:27 am -
2 stops11h 52m
Mon 10/55:00 am -
1 stop6h 55m
Deal found 9/10![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:27 am -
2 stops11h 52m
Mon 9/285:00 am -
1 stop6h 55m
Deal found 9/10![United Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/310:24 am -
2 stops12h 49m
Sat 10/109:58 am -
2 stops12h 23m
Deal found 9/13![American Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/2310:27 am -
2 stops12h 45m
Mon 10/266:00 am -
1 stop7h 56m
Deal found 9/13![American Airlines logo]()
$545
Best flights from Colorado to Green BayDiscover carefully curated flight deals from Colorado to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Colorado to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:29 pm -
1 stop5h 09m
Sat 11/71:58 pm -
1 stop6h 47m
Deal found 9/11![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/276:05 am -
1 stop4h 32m
Mon 11/24:51 pm -
1 stop4h 15m
Deal found 9/11![Delta logo]()
$320
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/231:07 pm -
2 stops10h 05m
Mon 10/268:04 pm -
1 stop5h 32m
Deal found 9/13![American Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/283:14 pm -
2 stops7h 58m
Sat 10/318:04 pm -
1 stop5h 32m
Deal found 9/13![American Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:49 pm -
1 stop5h 14m
Wed 9/305:00 am -
1 stop6h 32m
Deal found 9/11![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 10/146:05 am -
1 stop4h 32m
Sat 10/174:51 pm -
1 stop4h 15m
Deal found 9/12![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/712:51 pm -
1 stop5h 25m
Sat 1/95:00 am -
1 stop7h 49m
Deal found 9/9![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/271:15 pm -
2 stops8h 35m
Sat 1/301:25 pm -
2 stops8h 15m
Deal found 9/9![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/276:05 am -
1 stop4h 32m
Fri 10/304:51 pm -
1 stop18h 11m
Deal found 9/11![Delta logo]()
$468
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 1/610:34 am -
2 stops11h 16m
Sat 1/93:26 pm -
1 stop7h 29m
Deal found 9/13![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/13. 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 12/116:11 pm -
1 stop4h 55m
Mon 12/148:29 pm -
1 stop4h 57m
Deal found 9/13![American Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 9/10. 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 10/76:05 am -
1 stop4h 32m
Sun 10/116:00 am -
1 stop5h 02m
Deal found 9/10![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/64:18 pm -
1 stop5h 32m
Sat 1/95:00 am -
2 stops14h 09m
Deal found 9/10![United Airlines logo]()
$478
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/1312:58 pm -
2 stops10h 08m
Mon 11/166:54 pm -
2 stops18h 34m
Deal found 9/13![American Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/261:20 pm -
2 stops8h 30m
Sat 1/3010:10 am -
2 stops11h 17m
Deal found 9/9![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/812:53 pm -
1 stop5h 23m
Tue 1/1210:10 am -
1 stop6h 20m
Deal found 9/9![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/81:20 pm -
2 stops6h 53m
Mon 1/1110:10 am -
3 stops11h 17m
Deal found 9/10![United Airlines logo]()
$701
Last-minute flights from Colorado to Green BayDiscover last-minute flight deals from Colorado to Green Bay. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Green Bay. Data last updated September 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:27 am -
2 stops11h 52m
Mon 9/285:00 am -
1 stop6h 55m
Deal found 9/10![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:27 am -
2 stops11h 52m
Mon 10/55:00 am -
1 stop6h 55m
Deal found 9/10![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:19 am -
2 stops11h 00m
Sat 10/103:45 pm -
2 stops7h 30m
Deal found 9/10![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/310:24 am -
2 stops12h 49m
Sat 10/109:58 am -
2 stops12h 23m
Deal found 9/13![American Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/106:09 pm -
1 stop5h 03m
Wed 10/148:04 pm -
1 stop5h 32m
Deal found 9/9![American Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/103:58 pm -
2 stops7h 14m
Sat 10/176:00 am -
2 stops10h 00m
Deal found 9/9![American Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 10/136:05 am -
1 stop4h 32m
Sat 10/174:51 pm -
1 stop4h 15m
Deal found 9/12![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/146:09 pm -
1 stop5h 03m
Sat 10/178:04 pm -
1 stop5h 32m
Deal found 9/9![American Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/206:09 pm -
1 stop5h 03m
Tue 10/278:04 pm -
1 stop5h 32m
Deal found 9/13![American Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/226:46 am -
1 stop6h 16m
Sun 10/258:04 pm -
1 stop5h 32m
Deal found 9/10![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 10/243:14 pm -
2 stops7h 58m
Wed 10/286:00 am -
2 stops11h 04m
Deal found 9/12![American Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/276:05 am -
1 stop4h 32m
Sun 11/14:51 pm -
1 stop4h 15m
Deal found 9/11![Delta logo]()
$320
One-way flights from Colorado to Green BaySearch for one-way flight options from Colorado to Green Bay. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Colorado to Green Bay. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 10/18:45 am -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/9. 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 2/191:12 pm -
2 stops10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/48:51 am -
1 stop5h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 11/111:58 am -
2 stops11h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/191:07 pm -
2 stops10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 10/116:05 am -
1 stop4h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/243:47 pm -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/251:17 pm -
2 stops9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 12/2210:41 am -
2 stops12h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/188:00 am -
1 stop15h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/110:05 am -
2 stops12h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$418
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:01 pm -
1 stop5h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$425
Find flight deals from Colorado to Green Bay
Keep the following information in mind while searching for Colorado to Green Bay flight deals. Data was last updated September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (American Airlines) |
Popular in | July |
Cheapest in | April |
Average price | $388 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Green Bay that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 14, 2026.
Use the filters below to find and compare flights from Colorado to Green Bay that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Wed 11/4
4:29 pm-10:38 pm
1 stop5h 09m
Green Bay Austin-Straubel
Sat 11/7
1:58 pm-7:45 pm
1 stop6h 47m
$271
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Fri 2/19
6:46 am-2:02 pm
1 stop6h 16m
Green Bay Austin-Straubel
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Thu 10/1
8:45 am-3:36 pm
1 stop5h 51m
Green Bay Austin-Straubel
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$309
Quickest round-trip
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Sun 10/4
8:51 am-3:07 pm
1 stop5h 16m
Green Bay Austin-Straubel
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$319
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Wed 12/23
10:21 am-6:43 pm
1 stop7h 22m
Green Bay Austin-Straubel
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$319
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Tue 10/27
6:05 am-11:37 am
1 stop4h 32m
Green Bay Austin-Straubel
Mon 11/2
4:51 pm-8:06 pm
1 stop4h 15m
$320
Grand JunctionGreen Bay
GJT Grand Junction Regnl - GRB Green Bay Austin-Straubel
GJTGRB
Grand Junction Regnl
Sun 11/1
11:58 am-12:06 am
2 stops11h 08m
Green Bay Austin-Straubel
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$324
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Fri 10/23
1:07 pm-12:12 am
2 stops10h 05m
Green Bay Austin-Straubel
Mon 10/26
8:04 pm-12:36 am
1 stop5h 32m
$345
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Wed 10/28
3:14 pm-12:12 am
2 stops7h 58m
Green Bay Austin-Straubel
Sat 10/31
8:04 pm-12:36 am
1 stop5h 32m
$352
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Sat 9/26
2:49 pm-9:03 pm
1 stop5h 14m
Green Bay Austin-Straubel
Wed 9/30
5:00 am-10:32 am
1 stop6h 32m
$357
Showing 1-10 of 29 resultsSorted by cheapest first
Best time to book a flight from Colorado to Green Bay
Have a flexible travel schedule? Discover the best time to fly to Green Bay from Colorado with our price prediction graph.
DEN-GRB
GJT-GRB
DRO-GRB
COS-GRB
MTJ-GRB
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 Colorado to Green Bay
USCO-GRB
DEN-GRB
GJT-GRB
DRO-GRB
COS-GRB
What is the cheapest month to book a flight from Colorado to Green Bay?
Currently, April is the cheapest month in which you can book a flight from Colorado to Green Bay (average of $318). Flying from Colorado to Green Bay in July is currently the most expensive (average of $548). 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.
How much does it cost to fly round-trip from Colorado to Green Bay?
Airfare is below average for this route at the moment.
Colorado to Green Bay flights typically cost between $328 and $408 in October.The cheapest round-trip price found within the last 5 days was $271 on American Airlines (Oct 14-Oct 17).
Related info for your journey
Find useful and relevant information for your journey from Colorado to Green Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Colorado to Green Bay
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Complete your trip
Complete your trip to Green Bay by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Green Bay by cabin class
Find flights from Colorado to Green Bay, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Green Bay
Explore flights to Green Bay departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 14, 2026.
Colorado and Green Bay flights
Browse other Colorado and Green Bay flight options. Last updated on September 14, 2026.
Popular flight searches
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Colorado to Green Bay flights
Consider these flights traveling from Colorado to Green Bay.
Top 3 airlines flying from Colorado to Green Bay
Discover the top 3 airlines that operate flights from Colorado to Green Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$343 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$438 | FlexibilityNo cancel fee | On-time69% |