$175+ Cheap flights from Green Bay (GRB) to Colorado
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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — DEN
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Green Bay to Colorado 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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Cheapest flights from Green Bay to ColoradoExplore the most affordable flight options available from Green Bay to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Green Bay to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
1 stop5h 07m
Tue 12/86:30 am -
1 stop4h 24m
Deal found 10/26![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:33 pm -
1 stop5h 26m
Tue 12/86:00 am -
1 stop5h 27m
Deal found 10/27![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/38:21 pm -
1 stop5h 09m
Tue 12/81:20 pm -
2 stops10h 00m
Deal found 10/27![American Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/42:33 pm -
2 stops10h 17m
Tue 12/83:11 pm -
2 stops8h 09m
Deal found 10/27![American Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 10/26. 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 12/55:20 am -
1 stop8h 13m
Mon 12/71:40 pm -
1 stop8h 10m
Deal found 10/26![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 10/26. 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 12/35:32 pm -
1 stop7h 17m
Mon 12/74:10 pm -
1 stop5h 01m
Deal found 10/26![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 10/26. 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 12/35:20 am -
2 stops13h 03m
Tue 12/81:40 pm -
1 stop8h 10m
Deal found 10/26![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:51 pm -
1 stop4h 15m
Sat 2/206:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:38 pm -
1 stop6h 56m
Sat 2/206:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 10/26. 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 12/35:20 am -
2 stops13h 03m
Sat 12/58:02 am -
2 stops14h 11m
Deal found 10/26![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/265:40 am -
2 stops13h 27m
Thu 12/36:21 am -
2 stops11h 39m
Deal found 10/26![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:40 am -
2 stops9h 40m
Fri 11/271:13 pm -
2 stops9h 54m
Deal found 10/28![American Airlines logo]()
$360
Best flights from Green Bay to ColoradoDiscover carefully curated flight deals from Green Bay to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Green Bay to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop7h 20m
Sat 11/286:30 am -
1 stop4h 12m
Deal found 10/26![Delta logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/26. 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 -
1 stop6h 46m
Thu 12/33:12 pm -
1 stop6h 47m
Deal found 10/26![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 10/28. 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 12/193:30 pm -
2 stops9h 15m
Tue 12/296:18 pm -
1 stop5h 02m
Deal found 10/28![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/27. 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 12/35:32 pm -
1 stop7h 17m
Tue 12/86:30 am -
1 stop4h 24m
Deal found 10/27![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:40 am -
2 stops9h 40m
Fri 11/271:13 pm -
2 stops9h 54m
Deal found 10/28![American Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop4h 58m
Mon 11/306:30 am -
1 stop4h 12m
Deal found 10/28![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/81:06 pm -
1 stop5h 57m
Sat 12/123:50 pm -
1 stop6h 09m
Deal found 10/29![United Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 10/26. 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 12/35:20 am -
2 stops13h 03m
Sun 12/61:40 pm -
1 stop8h 10m
Deal found 10/26![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:14 pm -
1 stop5h 31m
Tue 11/177:45 am -
1 stop5h 54m
Deal found 10/29![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 10/26. 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 12/35:20 am -
2 stops13h 03m
Mon 12/71:40 pm -
1 stop8h 10m
Deal found 10/26![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:38 pm -
1 stop6h 56m
Tue 2/166:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 10/27. 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 1/303:30 pm -
1 stop7h 29m
Wed 2/35:47 am -
1 stop8h 05m
Deal found 10/27![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:38 pm -
1 stop6h 56m
Thu 2/186:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:03 am -
2 stops7h 31m
Tue 12/810:25 am -
2 stops9h 38m
Deal found 10/26![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:15 am -
2 stops10h 39m
Sun 12/65:45 am -
2 stops8h 00m
Deal found 10/26![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 10/25. 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 11/256:00 am -
1 stop7h 20m
Mon 11/306:30 am -
1 stop4h 12m
Deal found 10/25![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 10/26. 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 12/35:32 pm -
1 stop7h 17m
Mon 12/78:10 am -
2 stops13h 01m
Deal found 10/26![Delta logo]()
$422
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/1410:37 am -
2 stops10h 55m
Wed 11/181:27 pm -
2 stops8h 11m
Deal found 10/30![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/27:00 am -
2 stops11h 14m
Fri 4/168:00 am -
2 stops12h 32m
Deal found 10/26![Delta logo]()
$453
This United Airlines deal was found by Cheapflights users on 10/28. 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 2/205:00 am -
1 stop6h 22m
Thu 2/254:08 pm -
1 stop5h 51m
Deal found 10/28![United Airlines logo]()
$599
Last-minute flights from Green Bay to ColoradoDiscover last-minute flight deals from Green Bay to Colorado. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Colorado. Data last updated October 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:51 pm -
1 stop4h 15m
Sat 2/206:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:51 pm -
1 stop4h 15m
Sun 2/216:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop8h 00m
Sun 2/211:40 pm -
1 stop8h 05m
Deal found 10/25![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
1 stop5h 02m
Sat 2/206:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:30 am -
1 stop8h 00m
Thu 2/188:00 am -
2 stops11h 37m
Deal found 10/25![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:38 pm -
1 stop6h 56m
Sat 2/206:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:38 pm -
1 stop6h 56m
Sun 2/216:10 am -
1 stop4h 14m
Deal found 10/25![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/198:28 pm -
1 stop5h 03m
Sun 11/226:11 pm -
1 stop4h 56m
Deal found 10/25![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop7h 20m
Sat 11/286:30 am -
1 stop4h 12m
Deal found 10/26![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:40 am -
2 stops9h 40m
Fri 11/271:13 pm -
2 stops9h 54m
Deal found 10/28![American Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 10/25. 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 11/256:00 am -
1 stop7h 20m
Mon 11/306:30 am -
1 stop4h 12m
Deal found 10/25![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/265:40 am -
2 stops13h 27m
Thu 12/36:21 am -
2 stops11h 39m
Deal found 10/26![American Airlines logo]()
$359
One-way flights from Green Bay to ColoradoSearch for one-way flight options from Green Bay to Colorado. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Green Bay to Colorado. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/246:53 pm -
1 stop6h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![American Airlines logo]()
$175
This Delta deal was found by Cheapflights users on 10/27. 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 1/55:30 am -
1 stop8h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$228
This Delta deal was found by Cheapflights users on 10/27. 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 11/265:30 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/266:15 am -
2 stops7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 10/28. 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 2/255:00 am -
1 stop6h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/52:33 pm -
2 stops9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 10/25. 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 1/15:30 am -
2 stops11h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 10/25. 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 1/23:30 pm -
1 stop6h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/25. 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 1/35:30 am -
2 stops11h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 10/28. 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 2/2510:08 am -
2 stops8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 10/25. 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 11/95:38 pm -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$385
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:40 pm -
2 stops10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$390
Find flight deals from Green Bay to Colorado
Keep the following information in mind while searching for Green Bay to Colorado flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Delta) |
One-way from | $175 (American Airlines) |
Popular in | October |
Cheapest in | March |
Average price | $444 |
Cheapflights Fare Finder
Customize your flight search to find flights from Green Bay to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Green Bay to Colorado that are best for you.
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Cheapest round-trip
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Tue 11/24
6:53 pm-12:31 am
1 stop6h 38m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
Green BayColorado Springs
GRB Green Bay Austin-Straubel - COS Colorado Springs
GRBCOS
Green Bay Austin-Straubel
Tue 1/5
5:30 am-12:34 pm
1 stop8h 04m
Colorado Springs
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$228
Green BayAspen
GRB Green Bay Austin-Straubel - ASE Aspen Pitkin County
GRBASE
Green Bay Austin-Straubel
Thu 11/26
6:15 am-12:48 pm
2 stops7h 33m
Aspen Pitkin County
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$311
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Thu 2/25
5:00 am-10:34 am
1 stop6h 34m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$319
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Fri 1/1
7:16 pm-12:40 am
1 stop6h 24m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$319
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Sat 12/5
1:15 pm-7:45 pm
1 stop7h 30m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$319
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Sat 12/5
2:33 pm-10:56 pm
2 stops9h 23m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$324
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Sun 11/22
6:00 am-12:20 pm
1 stop7h 20m
Denver Intl
Sat 11/28
6:30 am-11:42 am
1 stop4h 12m
$330
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Thu 12/3
5:32 pm-11:49 pm
1 stop7h 17m
Denver Intl
Tue 12/8
6:30 am-11:54 am
1 stop4h 24m
$330
Green BayDenver
GRB Green Bay Austin-Straubel - DEN Denver Intl
GRBDEN
Green Bay Austin-Straubel
Thu 11/26
10:37 am-4:23 pm
1 stop6h 46m
Denver Intl
Thu 12/3
3:12 pm-10:59 pm
1 stop6h 47m
$349
Showing 1-10 of 38 resultsSorted by cheapest first
Best time to book a flight from Green Bay to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Green Bay with our price prediction graph.
GRB-DEN
GRB-COS
GRB-ASE
GRB-HDN
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 Colorado
GRB-USCO
GRB-DEN
GRB-COS
GRB-ASE
GRB-HDN
What is the cheapest month to book a flight from Green Bay to Colorado?
Currently, March is the cheapest month in which you can book a flight from Green Bay to Colorado (average of $309). Flying from Green Bay to Colorado in October is currently the most expensive (average of $444). 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 Green Bay to Colorado?
Airfare is typical for this route at the moment.
Green Bay to Colorado flights typically cost between $278 and $379 in December.The cheapest round-trip price found within the last 5 days was $311 on Delta (Dec 2-Dec 8).
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Green Bay to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Green Bay to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Green Bay to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Green Bay to Colorado by cabin class
Find flights from Green Bay to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Green Bay and Colorado flights
Browse other Green Bay and Colorado flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Green Bay to Colorado flights
Consider these flights traveling from Green Bay to Colorado.
Top 3 airlines flying from Green Bay to Colorado
Discover the top 3 airlines that operate flights from Green Bay to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$374 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$368 | FlexibilityNo cancel fee | On-time71% |