$146+ Cheap flights from Green Bay (GRB) to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — DEN
Apr 13 — Apr 201
Round-trip
1 adult, Economy
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Find cheap flights from Green Bay to Colorado with Cheapflights
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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 March 14, 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 March 14, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 4/147:00 am
GRB
- DEN
1 stop7h 57m
Delta
Wed 4/156:30 am
DEN
- GRB
1 stop3h 48m
Delta
Deal found 3/9![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:00 am
GRB
- DRO
2 stops8h 34m
United Airlines
Sat 4/187:00 am
DRO
- GRB
2 stops8h 53m
United Airlines
Deal found 3/12![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 3/9. 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.
Fri 5/84:19 pm
GRB
- DEN
1 stop4h 56m
Delta
Tue 5/129:06 am
DEN
- GRB
1 stop5h 33m
Delta
Deal found 3/9![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:30 pm
GRB
- GJT
2 stops9h 47m
United Airlines
Sat 4/187:01 am
GJT
- GRB
2 stops8h 52m
United Airlines
Deal found 3/12![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Fri 5/85:24 pm
GRB
- DEN
1 stop7h 42m
American Airlines
Tue 5/122:41 pm
DEN
- GRB
2 stops7h 54m
American Airlines
Deal found 3/10![American Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 3/11. 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.
Sat 4/1811:06 am
GRB
- DEN
1 stop7h 15m
Delta
Sat 4/2510:43 am
DEN
- GRB
1 stop3h 59m
Delta
Deal found 3/11![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 5/97:30 am
GRB
- DEN
2 stops11h 09m
American Airlines
Sat 5/165:30 am
DEN
- GRB
2 stops10h 24m
American Airlines
Deal found 3/10![American Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 3/10. 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 8/215:00 am
GRB
- COS
1 stop6h 59m
United Airlines
Sat 8/2912:45 pm
COS
- GRB
1 stop7h 30m
United Airlines
Deal found 3/10![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 3/306:38 pm
GRB
- DEN
1 stop4h 59m
American Airlines
Wed 4/85:44 pm
DEN
- GRB
1 stop4h 47m
American Airlines
Deal found 3/9![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:00 pm
GRB
- COS
2 stops11h 05m
Delta
Wed 4/151:14 pm
COS
- GRB
1 stop8h 47m
Delta
Deal found 3/11![Delta logo]()
$300
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:40 am
GRB
- DEN
2 stops11h 38m
American Airlines
Sat 4/251:13 pm
DEN
- GRB
2 stops9h 18m
American Airlines
Deal found 3/11![American Airlines logo]()
$301
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/85:40 am
GRB
- COS
1 stop7h 12m
American Airlines
Wed 4/151:39 pm
COS
- GRB
2 stops8h 52m
American Airlines
Deal found 3/10![American Airlines logo]()
$304
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 March 14, 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 March 14, 2026.
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/141:30 pm
GRB
- DRO
2 stops8h 09m
United Airlines
Sat 4/187:00 am
DRO
- GRB
2 stops11h 13m
United Airlines
Deal found 3/10![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 3/11. 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 5/1911:53 am
GRB
- DEN
1 stop4h 43m
Delta
Wed 5/206:00 am
DEN
- GRB
1 stop4h 13m
Delta
Deal found 3/11![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2910:32 am
GRB
- ASE
1 stop5h 20m
American Airlines
Thu 4/211:51 am
ASE
- GRB
1 stop5h 10m
American Airlines
Deal found 3/14![American Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/141:30 pm
GRB
- GJT
2 stops9h 47m
United Airlines
Sat 4/187:01 am
GJT
- GRB
2 stops11h 12m
United Airlines
Deal found 3/10![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 3/315:17 pm
GRB
- DEN
1 stop5h 11m
Delta
Tue 4/76:20 am
DEN
- GRB
1 stop3h 58m
Delta
Deal found 3/9![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 3/9. 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.
Fri 4/105:17 pm
GRB
- DEN
1 stop5h 11m
Delta
Mon 4/136:30 am
DEN
- GRB
1 stop3h 48m
Delta
Deal found 3/9![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 3/10. 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 8/215:31 pm
GRB
- COS
2 stops7h 18m
United Airlines
Sat 8/2912:45 pm
COS
- GRB
1 stop7h 30m
United Airlines
Deal found 3/10![United Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 3/11. 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 4/185:00 am
GRB
- DEN
1 stop4h 55m
United Airlines
Sun 4/196:00 am
DEN
- GRB
1 stop4h 59m
United Airlines
Deal found 3/11![United Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/11. 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 6/133:44 pm
GRB
- DEN
1 stop5h 38m
United Airlines
Tue 6/166:00 am
DEN
- GRB
1 stop4h 59m
United Airlines
Deal found 3/11![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
GRB
- DEN
1 stop7h 51m
United Airlines
Sat 4/186:00 am
DEN
- GRB
1 stop7h 13m
United Airlines
Deal found 3/12![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/143:47 pm
GRB
- DEN
1 stop4h 53m
United Airlines
Sat 4/181:25 pm
DEN
- GRB
1 stop4h 48m
United Airlines
Deal found 3/9![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/143:47 pm
GRB
- COS
1 stop7h 07m
United Airlines
Sat 4/187:00 am
COS
- GRB
2 stops11h 13m
United Airlines
Deal found 3/9![United Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/115:00 am
GRB
- COS
2 stops7h 05m
United Airlines
Tue 4/146:00 am
COS
- GRB
1 stop7h 13m
United Airlines
Deal found 3/10![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 3/11. 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 8/12:35 pm
GRB
- DEN
1 stop6h 47m
United Airlines
Sat 8/84:20 pm
DEN
- GRB
1 stop5h 25m
United Airlines
Deal found 3/11![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 5/75:00 am
GRB
- COS
1 stop6h 47m
United Airlines
Mon 5/1111:43 am
COS
- GRB
1 stop6h 18m
United Airlines
Deal found 3/13![United Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:12 pm
GRB
- DRO
2 stops8h 47m
American Airlines
Fri 8/712:35 pm
DRO
- GRB
3 stops9h 53m
American Airlines
Deal found 3/11![American Airlines logo]()
$1,047
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:24 am
GRB
- ASE
1 stop6h 55m
Delta
Tue 6/168:05 am
ASE
- GRB
2 stops11h 30m
Delta
Deal found 3/11![Delta logo]()
$1,104
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:30 am
GRB
- ASE
1 stop6h 03m
United Airlines
Thu 4/22:27 pm
ASE
- GRB
2 stops8h 30m
United Airlines
Deal found 3/14![United Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:30 pm
GRB
- GJT
2 stops8h 29m
United Airlines
Sat 5/91:48 pm
GJT
- GRB
2 stops8h 10m
United Airlines
Deal found 3/14![United Airlines logo]()
$641
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:11 am
GRB
- GJT
2 stops11h 49m
Delta
Tue 6/167:41 am
GJT
- GRB
2 stops13h 17m
Delta
Deal found 3/11![Delta logo]()
$1,470
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 6/42:35 pm
GRB
- ASE
1 stop8h 25m
United Airlines
Mon 6/152:22 pm
ASE
- GRB
2 stops8h 52m
United Airlines
Deal found 3/11![United Airlines logo]()
$805
Last-minute flights from Green Bay to ColoradoDiscover last-minute flight deals from Green Bay to Colorado. Data last updated March 14, 2026 and is based on user searches.
Discover last-minute flight deals from Green Bay to Colorado. Data last updated March 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 3/306:38 pm
GRB
- DEN
1 stop4h 59m
American Airlines
Wed 4/85:44 pm
DEN
- GRB
1 stop4h 47m
American Airlines
Deal found 3/9![American Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 3/315:00 am
GRB
- DEN
2 stops9h 10m
American Airlines
Tue 4/75:44 pm
DEN
- GRB
1 stop4h 48m
American Airlines
Deal found 3/9![American Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:00 pm
GRB
- COS
2 stops11h 05m
Delta
Wed 4/151:14 pm
COS
- GRB
1 stop8h 47m
Delta
Deal found 3/11![Delta logo]()
$300
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 4/85:40 am
GRB
- COS
1 stop7h 12m
American Airlines
Wed 4/151:39 pm
COS
- GRB
2 stops8h 52m
American Airlines
Deal found 3/10![American Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 3/10. 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.
Fri 4/105:17 pm
GRB
- DEN
1 stop5h 11m
Delta
Tue 4/144:34 pm
DEN
- GRB
1 stop4h 25m
Delta
Deal found 3/10![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/112:48 pm
GRB
- DEN
1 stop5h 52m
United Airlines
Tue 4/146:00 am
DEN
- GRB
1 stop4h 59m
United Airlines
Deal found 3/10![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 4/147:00 am
GRB
- DEN
1 stop7h 57m
Delta
Wed 4/156:30 am
DEN
- GRB
1 stop3h 48m
Delta
Deal found 3/9![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:00 am
GRB
- DRO
2 stops8h 34m
United Airlines
Sat 4/187:00 am
DRO
- GRB
2 stops8h 53m
United Airlines
Deal found 3/12![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:30 pm
GRB
- GJT
2 stops9h 47m
United Airlines
Sat 4/187:01 am
GJT
- GRB
2 stops8h 52m
United Airlines
Deal found 3/12![United Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/165:24 pm
GRB
- DEN
1 stop7h 35m
American Airlines
Tue 4/2111:46 am
DEN
- GRB
2 stops9h 12m
American Airlines
Deal found 3/10![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 3/11. 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.
Sat 4/1811:06 am
GRB
- DEN
1 stop7h 15m
Delta
Sat 4/2510:43 am
DEN
- GRB
1 stop3h 59m
Delta
Deal found 3/11![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:42 am
GRB
- DEN
1 stop8h 20m
American Airlines
Sat 4/2510:28 am
DEN
- GRB
2 stops10h 30m
American Airlines
Deal found 3/11![American Airlines logo]()
$296
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 March 14, 2026.
Search for one-way flight options from Green Bay to Colorado. Find affordable one-way fares based on user searches. Data last updated March 14, 2026.
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
GRB
- DEN
1 stop5h 45m
United Airlines
Deal found 3/12![United Airlines logo]()
$146
This American Airlines deal was found by Cheapflights users on 3/12. 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 5/55:40 am
GRB
- DEN
2 stops9h 07m
American Airlines
Deal found 3/12![American Airlines logo]()
$151
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 5/127:30 am
GRB
- DEN
2 stops11h 05m
American Airlines
Deal found 3/10![American Airlines logo]()
$186
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/315:17 pm
GRB
- DEN
1 stop5h 11m
Delta
Deal found 3/10![Delta logo]()
$217
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 3/315:00 am
GRB
- DEN
2 stops9h 57m
American Airlines
Deal found 3/10![American Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:19 pm
GRB
- DEN
1 stop4h 56m
Delta
Deal found 3/10![Delta logo]()
$236
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 4/195:24 pm
GRB
- DEN
1 stop6h 21m
American Airlines
Deal found 3/9![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 3/10. 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.
Sun 5/105:01 pm
GRB
- DEN
1 stop6h 57m
Delta
Deal found 3/10![Delta logo]()
$259
This American Airlines deal was found by Cheapflights users on 3/13. 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 6/612:15 pm
GRB
- DEN
2 stops9h 56m
American Airlines
Deal found 3/13![American Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 3/10. 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.
Fri 5/157:00 am
GRB
- DEN
1 stop7h 59m
Delta
Deal found 3/10![Delta logo]()
$279
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Sun 5/105:40 am
GRB
- DEN
2 stops9h 07m
American Airlines
Deal found 3/10![American Airlines logo]()
$284
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 March 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $146 (United Airlines) |
Popular in | March |
Cheapest in | July |
Average price | $381 |
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 2,558,603 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Green Bay to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Green BayDurango
GRB - DRO
GRBDRO
Green Bay Austin-Straubel
Tue 4/14
1:30 pm-8:39 pm
2 stops8h 09m
Durango La Plata County
Sat 4/18
7:00 am-7:13 pm
2 stops11h 13m
$279
Green BayGrand Junction
GRB - GJT
GRBGJT
Green Bay Austin-Straubel
Tue 4/14
1:30 pm-10:17 pm
2 stops9h 47m
Grand Junction Regnl
Sat 4/18
7:01 am-7:13 pm
2 stops11h 12m
$289
Quickest round-trip
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Tue 5/19
11:53 am-3:36 pm
1 stop4h 43m
Denver Intl
Wed 5/20
6:00 am-11:13 am
1 stop4h 13m
$291
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Tue 3/31
5:17 pm-9:28 pm
1 stop5h 11m
Denver Intl
Tue 4/7
6:20 am-11:18 am
1 stop3h 58m
$299
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Fri 4/10
5:17 pm-9:28 pm
1 stop5h 11m
Denver Intl
Mon 4/13
6:30 am-11:18 am
1 stop3h 48m
$299
Green BayColorado Springs
GRB - COS
GRBCOS
Green Bay Austin-Straubel
Fri 8/21
5:31 pm-11:49 pm
2 stops7h 18m
Colorado Springs
Sat 8/29
12:45 pm-9:15 pm
1 stop7h 30m
$304
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Sat 4/18
5:00 am-8:55 am
1 stop4h 55m
Denver Intl
Sun 4/19
6:00 am-11:59 am
1 stop4h 59m
$305
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Sat 6/13
3:44 pm-8:22 pm
1 stop5h 38m
Denver Intl
Tue 6/16
6:00 am-11:59 am
1 stop4h 59m
$325
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Wed 4/15
8:00 am-2:51 pm
1 stop7h 51m
Denver Intl
Sat 4/18
6:00 am-2:13 pm
1 stop7h 13m
$361
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Tue 4/14
3:47 pm-7:40 pm
1 stop4h 53m
Denver Intl
Sat 4/18
1:25 pm-7:13 pm
1 stop4h 48m
$361
Showing 1-10 of 32 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-DRO
GRB-GJT
GRB-COS
GRB-ASE
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-DRO
GRB-GJT
GRB-COS
What is the cheapest month to book a flight from Green Bay to Colorado?
Currently, July is the cheapest month in which you can book a flight from Green Bay to Colorado (average of $84). Flying from Green Bay to Colorado in March is currently the most expensive (average of $258). 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 CO?
Find hourly flight availability from Green Bay to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 14, 2026.
A simple way to save on the total cost of your ticket is to fly from Green Bay to Colorado at noon. If you’re flexible enough to do this you can expect to save up to 62% on your trip compared to booking a flight in the morning.
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 March 14, 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.
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - 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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Complete your trip
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Green Bay and Colorado flights
Browse other Green Bay and Colorado flight options. Last updated on March 14, 2026.
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Green Bay to Colorado flights
Consider these flights traveling from Green Bay to Colorado.
Top 4 airlines flying from Green Bay to Colorado
Discover the top 4 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 2,558,603 searches. Data last updated March 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$197 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$309 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$204 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$229 | Average$344 | FlexibilityNo cancel fee | On-time69% |