$238+ Cheap flights from Colorado to Green Bay (GRB)
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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRB
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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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 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 June 10, 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/196:00 am
DEN
- GRB
1 stop4h 22m
Delta
Wed 9/212:03 pm
GRB
- DEN
1 stop4h 20m
Delta
Deal found 6/8![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/215:44 pm
DEN
- GRB
1 stop5h 32m
American Airlines
Tue 8/257:00 pm
GRB
- DEN
1 stop5h 59m
American Airlines
Deal found 6/9![American Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:10 am
DEN
- GRB
1 stop3h 59m
Delta
Mon 9/286:15 am
GRB
- DEN
1 stop6h 53m
Delta
Deal found 6/8![Delta logo]()
$302
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/125:44 pm
DEN
- GRB
1 stop5h 32m
American Airlines
Wed 8/197:00 pm
GRB
- DEN
1 stop5h 59m
American Airlines
Deal found 6/8![American Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 6/10. 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 7/76:00 am
DEN
- GRB
1 stop4h 20m
Delta
Sat 7/114:16 pm
GRB
- DEN
1 stop4h 11m
Delta
Deal found 6/10![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/195:44 pm
DEN
- GRB
1 stop5h 32m
American Airlines
Wed 9/212:26 pm
GRB
- DEN
2 stops10h 16m
American Airlines
Deal found 6/8![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
DEN
- GRB
1 stop4h 20m
Delta
Sat 7/116:15 am
GRB
- DEN
1 stop6h 50m
Delta
Deal found 6/5![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 6/9. 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 9/241:19 pm
COS
- GRB
1 stop8h 10m
Delta
Mon 9/285:30 am
GRB
- COS
1 stop7h 44m
Delta
Deal found 6/9![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 6/9. 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 7/31:40 pm
COS
- GRB
1 stop8h 11m
Delta
Sat 7/116:15 am
GRB
- COS
1 stop5h 12m
Delta
Deal found 6/9![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/75:44 pm
DEN
- GRB
1 stop5h 32m
American Airlines
Mon 8/107:00 pm
GRB
- DEN
1 stop5h 59m
American Airlines
Deal found 6/9![American Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
DEN
- GRB
1 stop4h 26m
Delta
Mon 9/286:15 am
GRB
- DEN
1 stop6h 53m
Delta
Deal found 6/8![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/55:44 pm
DEN
- GRB
1 stop5h 32m
American Airlines
Mon 9/77:00 pm
GRB
- DEN
1 stop5h 59m
American Airlines
Deal found 6/9![American Airlines logo]()
$335
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 June 10, 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am
DEN
- GRB
1 stop3h 59m
Delta
Mon 9/286:15 am
GRB
- DEN
1 stop6h 53m
Delta
Deal found 6/8![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/16:00 am
DEN
- GRB
1 stop5h 05m
United Airlines
Sat 9/512:40 pm
GRB
- DEN
1 stop8h 05m
United Airlines
Deal found 6/8![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/67:00 am
ASE
- GRB
1 stop6h 41m
American Airlines
Thu 8/133:20 pm
GRB
- ASE
1 stop6h 35m
American Airlines
Deal found 6/8![American Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 6/9. 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 7/76:00 am
DEN
- GRB
1 stop4h 20m
Delta
Sat 7/114:16 pm
GRB
- DEN
1 stop4h 11m
Delta
Deal found 6/9![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/254:40 pm
DEN
- GRB
1 stop5h 39m
United Airlines
Sat 8/295:29 pm
GRB
- DEN
1 stop5h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 6/9. 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 7/31:40 pm
COS
- GRB
1 stop8h 11m
Delta
Sat 7/116:15 am
GRB
- COS
1 stop5h 12m
Delta
Deal found 6/9![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:51 pm
ASE
- GRB
2 stops10h 21m
American Airlines
Wed 7/86:08 am
GRB
- ASE
2 stops8h 43m
American Airlines
Deal found 6/6![American Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/34:29 pm
DEN
- GRB
1 stop5h 50m
United Airlines
Wed 7/86:52 pm
GRB
- DEN
1 stop5h 56m
United Airlines
Deal found 6/8![United Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 11/1412:16 pm
COS
- GRB
1 stop5h 49m
United Airlines
Wed 11/182:30 pm
GRB
- COS
1 stop8h 10m
United Airlines
Deal found 6/8![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:15 am
DEN
- GRB
2 stops12h 20m
Delta
Mon 9/286:15 am
GRB
- DEN
1 stop6h 53m
Delta
Deal found 6/8![Delta logo]()
$417
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/77:00 am
ASE
- GRB
1 stop6h 41m
American Airlines
Fri 8/143:20 pm
GRB
- ASE
1 stop6h 35m
American Airlines
Deal found 6/8![American Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:59 pm
DEN
- GRB
1 stop5h 20m
United Airlines
Fri 7/246:52 pm
GRB
- DEN
1 stop5h 56m
United Airlines
Deal found 6/6![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:10 am
DEN
- GRB
1 stop3h 59m
Delta
Thu 9/2412:00 pm
GRB
- DEN
2 stops11h 31m
Delta
Deal found 6/8![Delta logo]()
$462
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:25 am
ASE
- GRB
1 stop6h 24m
American Airlines
Thu 7/93:24 pm
GRB
- ASE
1 stop7h 32m
American Airlines
Deal found 6/6![American Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:25 am
ASE
- GRB
1 stop6h 24m
American Airlines
Wed 7/83:24 pm
GRB
- ASE
1 stop7h 33m
American Airlines
Deal found 6/6![American Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 6/9. 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 6/266:00 am
DEN
- GRB
1 stop4h 23m
Delta
Wed 7/16:15 am
GRB
- DEN
1 stop6h 55m
Delta
Deal found 6/9![Delta logo]()
$481
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am
DEN
- GRB
1 stop4h 20m
Delta
Thu 9/2412:00 pm
GRB
- DEN
2 stops11h 31m
Delta
Deal found 6/8![Delta logo]()
$493
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:30 pm
MTJ
- GRB
2 stops8h 49m
United Airlines
Sat 7/46:30 am
GRB
- MTJ
1 stop6h 13m
United Airlines
Deal found 6/7![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:31 pm
MTJ
- GRB
1 stop20h 30m
United Airlines
Mon 7/69:00 am
GRB
- MTJ
2 stops28h 34m
United Airlines
Deal found 6/6![United Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:25 pm
MTJ
- GRB
2 stops17h 36m
United Airlines
Sun 7/56:52 pm
GRB
- MTJ
1 stop17h 51m
United Airlines
Deal found 6/7![United Airlines logo]()
$787
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:15 am
MTJ
- GRB
3 stops12h 57m
American Airlines
Mon 7/66:08 am
GRB
- MTJ
2 stops8h 22m
American Airlines
Deal found 6/6![American Airlines logo]()
$1,002
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/246:05 pm
DRO
- GRB
2 stops14h 56m
United Airlines
Sun 6/286:52 pm
GRB
- DRO
2 stops15h 41m
United Airlines
Deal found 6/9![United Airlines logo]()
$927
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:30 pm
MTJ
- GRB
2 stops8h 49m
United Airlines
Sun 7/56:30 am
GRB
- MTJ
1 stop6h 13m
United Airlines
Deal found 6/7![United Airlines logo]()
$969
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:30 pm
MTJ
- GRB
2 stops8h 49m
United Airlines
Sun 7/56:30 am
GRB
- MTJ
1 stop6h 13m
United Airlines
Deal found 6/7![United Airlines logo]()
$1,116
Last-minute flights from Colorado to Green BayDiscover last-minute flight deals from Colorado to Green Bay. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Green Bay. Data last updated June 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/135:45 pm
DEN
- GRB
1 stop5h 25m
American Airlines
Sat 6/206:04 am
GRB
- DEN
1 stop6h 44m
American Airlines
Deal found 6/8![American Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 6/206:00 am
DEN
- GRB
1 stop4h 23m
Delta
Wed 6/242:56 pm
GRB
- DEN
1 stop6h 06m
Delta
Deal found 6/8![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:10 am
COS
- GRB
2 stops10h 41m
Delta
Sat 7/116:15 am
GRB
- COS
1 stop5h 12m
Delta
Deal found 6/6![Delta logo]()
$450
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:45 pm
DEN
- GRB
1 stop5h 25m
American Airlines
Wed 7/16:54 pm
GRB
- DEN
1 stop6h 23m
American Airlines
Deal found 6/7![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 6/9. 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 7/31:40 pm
COS
- GRB
1 stop8h 11m
Delta
Sat 7/116:15 am
GRB
- COS
1 stop5h 12m
Delta
Deal found 6/9![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:25 am
ASE
- GRB
1 stop6h 24m
American Airlines
Wed 7/83:24 pm
GRB
- ASE
1 stop7h 33m
American Airlines
Deal found 6/6![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:22 pm
MTJ
- GRB
2 stops8h 50m
American Airlines
Sat 7/46:08 am
GRB
- MTJ
2 stops8h 22m
American Airlines
Deal found 6/7![American Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 6/9. 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 7/76:00 am
DEN
- GRB
1 stop4h 20m
Delta
Sat 7/114:16 pm
GRB
- DEN
1 stop4h 11m
Delta
Deal found 6/9![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
DEN
- GRB
1 stop4h 20m
Delta
Sat 7/116:15 am
GRB
- DEN
1 stop6h 50m
Delta
Deal found 6/5![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:57 pm
DEN
- GRB
1 stop5h 15m
American Airlines
Sat 7/113:17 pm
GRB
- DEN
2 stops8h 44m
American Airlines
Deal found 6/5![American Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:59 pm
DEN
- GRB
1 stop5h 20m
United Airlines
Fri 7/316:52 pm
GRB
- DEN
1 stop5h 56m
United Airlines
Deal found 6/7![United Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:57 pm
DEN
- GRB
1 stop5h 15m
American Airlines
Sat 7/1811:16 am
GRB
- DEN
1 stop7h 13m
American Airlines
Deal found 6/5![American Airlines logo]()
$346
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 June 10, 2026.
Search for one-way flight options from Colorado to Green Bay. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This KAYAK deal was found by Cheapflights users on 6/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
DEN
- GRB
1 stop4h 20m
Delta
Deal found 6/9![Delta logo]()
$238
This American Airlines deal was found by Cheapflights users on 6/9. 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 11/142:00 pm
DEN
- GRB
1 stop8h 28m
American Airlines
Deal found 6/9![American Airlines logo]()
$264
This KAYAK deal was found by Cheapflights users on 6/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
DEN
- GRB
1 stop4h 20m
Delta
Deal found 6/9![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 6/9. 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 7/106:00 am
DEN
- GRB
1 stop4h 20m
Delta
Deal found 6/9![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/1012:15 pm
DEN
- GRB
2 stops10h 57m
American Airlines
Deal found 6/9![American Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:10 am
DEN
- GRB
1 stop4h 14m
Delta
Deal found 6/7![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:15 am
DEN
- GRB
1 stop6h 56m
United Airlines
Deal found 6/5![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 am
DEN
- GRB
1 stop4h 23m
Delta
Deal found 6/5![Delta logo]()
$340
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/225:57 pm
DEN
- GRB
1 stop19h 57m
American Airlines
Deal found 6/9![American Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1711:59 pm
DEN
- GRB
2 stops11h 17m
American Airlines
Deal found 6/7![American Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 6/9. 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 7/236:00 am
DEN
- GRB
1 stop4h 20m
Delta
Deal found 6/9![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/711:59 pm
DEN
- GRB
2 stops10h 57m
American Airlines
Deal found 6/9![American Airlines logo]()
$353
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $238 (KAYAK) |
Popular in | November |
Cheapest in | July |
Average price | $345 |
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 2,558,603 searches. Data last updated June 10, 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 - GRB
DENGRB
Denver Intl
Sat 9/12
6:10 am-11:09 am
1 stop3h 59m
Green Bay Austin-Straubel
Mon 9/28
6:15 am-12:08 pm
1 stop6h 53m
$302
Quickest round-trip
DenverGreen Bay
DEN - GRB
DENGRB
Denver Intl
Tue 7/7
6:00 am-11:20 am
1 stop4h 20m
Green Bay Austin-Straubel
Sat 7/11
4:16 pm-7:27 pm
1 stop4h 11m
$307
Colorado SpringsGreen Bay
COS - GRB
COSGRB
Colorado Springs
Fri 7/3
1:40 pm-10:51 pm
1 stop8h 11m
Green Bay Austin-Straubel
Sat 7/11
6:15 am-10:27 am
1 stop5h 12m
$322
DenverGreen Bay
DEN - GRB
DENGRB
Denver Intl
Tue 9/1
6:00 am-12:05 pm
1 stop5h 05m
Green Bay Austin-Straubel
Sat 9/5
12:40 pm-7:45 pm
1 stop8h 05m
$341
DenverGreen Bay
DEN - GRB
DENGRB
Denver Intl
Tue 8/25
4:40 pm-11:19 pm
1 stop5h 39m
Green Bay Austin-Straubel
Sat 8/29
5:29 pm-9:44 pm
1 stop5h 15m
$341
DenverGreen Bay
DEN - GRB
DENGRB
Denver Intl
Fri 7/3
4:29 pm-11:19 pm
1 stop5h 50m
Green Bay Austin-Straubel
Wed 7/8
6:52 pm-11:48 pm
1 stop5h 56m
$395
Colorado SpringsGreen Bay
COS - GRB
COSGRB
Colorado Springs
Sat 11/14
12:16 pm-7:05 pm
1 stop5h 49m
Green Bay Austin-Straubel
Wed 11/18
2:30 pm-9:40 pm
1 stop8h 10m
$399
AspenGreen Bay
ASE - GRB
ASEGRB
Aspen Pitkin County
Thu 8/6
7:00 am-2:41 pm
1 stop6h 41m
Green Bay Austin-Straubel
Thu 8/13
3:20 pm-8:55 pm
1 stop6h 35m
$415
DenverGreen Bay
DEN - GRB
DENGRB
Denver Intl
Wed 9/16
8:15 am-9:35 pm
2 stops12h 20m
Green Bay Austin-Straubel
Mon 9/28
6:15 am-12:08 pm
1 stop6h 53m
$417
AspenGreen Bay
ASE - GRB
ASEGRB
Aspen Pitkin County
Fri 7/3
12:51 pm-12:12 am
2 stops10h 21m
Green Bay Austin-Straubel
Wed 7/8
6:08 am-1:51 pm
2 stops8h 43m
$430
Showing 1-10 of 34 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
COS-GRB
ASE-GRB
MTJ-GRB
DRO-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
COS-GRB
ASE-GRB
MTJ-GRB
What is the cheapest month to book a flight from Colorado to Green Bay?
Currently, June is the cheapest month in which you can book a flight from Colorado to Green Bay (average of $71). Flying from Colorado to Green Bay in February is currently the most expensive (average of $265). 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?
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Green Bay flight routes
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Alternative routes for Colorado to Green Bay
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Complete your trip
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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 June 10, 2026.
Colorado and Green Bay flights
Browse other Colorado and Green Bay flight options. Last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Colorado to Green Bay flights
Consider these flights traveling from Colorado to Green Bay.
Top 4 airlines flying from Colorado to Green Bay
Discover the top 4 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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$364 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$445 | FlexibilityNo cancel fee | On-time69% |