$218+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRB
Sep 11 — Sep 181
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Green Bay with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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 August 12, 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 August 12, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 9/166:15 am -
1 stop4h 07m
Sat 9/196:15 am -
1 stop6h 53m
Deal found 8/11![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/161:17 pm -
2 stops9h 56m
Sat 9/194:04 pm -
1 stop5h 31m
Deal found 8/11![American Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 8/11. 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 11/146:11 pm -
1 stop4h 54m
Mon 11/166:50 pm -
1 stop5h 08m
Deal found 8/11![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/65:06 am -
2 stops12h 19m
Sat 9/125:43 am -
2 stops11h 16m
Deal found 8/7![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:09 pm -
1 stop5h 03m
Sun 10/118:04 pm -
1 stop5h 32m
Deal found 8/10![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/9. 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 10/131:29 pm -
2 stops8h 50m
Wed 10/216:20 am -
1 stop5h 35m
Deal found 8/9![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/8. 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 8/2912:19 pm -
2 stops10h 57m
Sat 9/57:02 pm -
1 stop5h 57m
Deal found 8/8![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/306:01 pm -
1 stop5h 12m
Tue 10/69:58 am -
1 stop8h 21m
Deal found 8/11![American Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 8/9. 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 9/171:25 pm -
1 stop7h 59m
Wed 9/231:10 pm -
1 stop7h 46m
Deal found 8/9![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:18 pm -
2 stops9h 55m
Tue 9/155:43 am -
2 stops9h 56m
Deal found 8/11![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/1011:55 am -
1 stop7h 09m
Tue 9/155:05 pm -
1 stop5h 49m
Deal found 8/11![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 8/1710:12 am -
2 stops13h 04m
Mon 8/315:55 am -
1 stop7h 52m
Deal found 8/7![American Airlines logo]()
$404
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 August 12, 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 August 12, 2026.
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/67:45 am -
1 stop5h 16m
Sat 9/129:04 am -
1 stop6h 27m
Deal found 8/7![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 8/7. 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 9/111:17 pm -
2 stops9h 56m
Sun 9/135:43 am -
1 stop5h 19m
Deal found 8/7![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 8/9. 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 9/171:25 pm -
1 stop7h 59m
Wed 9/231:10 pm -
1 stop7h 46m
Deal found 8/9![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/114:40 pm -
1 stop5h 39m
Mon 9/145:05 pm -
1 stop6h 08m
Deal found 8/10![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 8/195:44 pm -
1 stop5h 32m
Sat 8/227:02 pm -
1 stop5h 57m
Deal found 8/7![American Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/9. 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 10/131:29 pm -
2 stops8h 50m
Wed 10/216:20 am -
1 stop5h 35m
Deal found 8/9![United Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 10/86:09 pm -
1 stop5h 03m
Sun 10/118:04 pm -
1 stop5h 32m
Deal found 8/11![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 8/11. 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 10/11:25 pm -
1 stop7h 59m
Sun 10/45:30 am -
1 stop7h 44m
Deal found 8/11![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/101:52 pm -
2 stops8h 27m
Tue 9/155:05 pm -
1 stop5h 49m
Deal found 8/11![United Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/111:17 pm -
2 stops9h 56m
Mon 9/144:04 pm -
1 stop5h 31m
Deal found 8/10![American Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/213:50 pm -
1 stop6h 29m
Mon 8/245:29 pm -
1 stop5h 15m
Deal found 8/7![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/8. 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 10/106:09 pm -
1 stop5h 03m
Wed 10/146:00 am -
2 stops9h 21m
Deal found 8/8![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 10/235:36 pm -
1 stop4h 43m
Sun 10/255:30 pm -
1 stop7h 01m
Deal found 8/11![United Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/53:50 pm -
1 stop6h 29m
Sun 9/66:25 am -
1 stop7h 20m
Deal found 8/7![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/7. 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 10/224:40 pm -
1 stop5h 39m
Sun 10/255:30 pm -
1 stop6h 14m
Deal found 8/7![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/110:25 am -
2 stops11h 54m
Sat 9/511:45 am -
2 stops11h 15m
Deal found 8/10![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/221:34 pm -
2 stops8h 45m
Wed 8/2612:30 pm -
2 stops10h 30m
Deal found 8/10![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/221:34 pm -
2 stops8h 45m
Fri 8/2812:30 pm -
2 stops9h 24m
Deal found 8/10![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/221:34 pm -
2 stops8h 45m
Thu 8/2712:30 pm -
2 stops9h 24m
Deal found 8/11![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/511:58 am -
2 stops10h 21m
Sun 9/66:25 am -
1 stop6h 23m
Deal found 8/7![United Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 8/11. 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 8/2212:40 pm -
3 stops10h 36m
Fri 8/2812:26 pm -
2 stops9h 48m
Deal found 8/11![American Airlines logo]()
$837
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/2212:40 pm -
3 stops10h 36m
Thu 8/2712:26 pm -
2 stops9h 48m
Deal found 8/10![American Airlines logo]()
$837
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/265:30 am -
2 stops7h 25m
Sat 8/295:29 pm -
1 stop5h 25m
Deal found 8/7![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/7. 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 8/2611:30 am -
2 stops10h 49m
Wed 9/95:05 pm -
2 stops7h 50m
Deal found 8/7![United Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/310:35 am -
2 stops12h 41m
Mon 9/77:02 pm -
2 stops17h 35m
Deal found 8/12![American Airlines logo]()
$887
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 8/251:34 pm -
2 stops8h 45m
Sat 8/2912:30 pm -
2 stops9h 24m
Deal found 8/7![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 8/11. 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 1/2312:16 pm -
1 stop5h 49m
Wed 1/276:30 am -
1 stop5h 48m
Deal found 8/11![United Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/211:25 am -
2 stops10h 54m
Sun 9/66:25 am -
1 stop5h 41m
Deal found 8/7![United Airlines logo]()
$535
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sun 8/235:15 am -
2 stops10h 39m
Fri 8/285:29 pm -
2 stops17h 07m
Deal found 8/11![United Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Sun 8/235:15 am -
2 stops7h 46m
Thu 8/2712:30 pm -
2 stops10h 30m
Deal found 8/11![United Airlines logo]()
$790
Last-minute flights from Colorado to Green BayDiscover last-minute flight deals from Colorado to Green Bay. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Green Bay. Data last updated August 12, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 8/1710:12 am -
2 stops13h 04m
Mon 8/315:55 am -
1 stop7h 52m
Deal found 8/7![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 8/8. 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 8/2912:19 pm -
2 stops10h 57m
Sat 9/57:02 pm -
1 stop5h 57m
Deal found 8/8![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 9/110:25 am -
2 stops11h 54m
Sat 9/511:45 am -
2 stops11h 15m
Deal found 8/11![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/67:45 am -
1 stop5h 16m
Sat 9/129:04 am -
1 stop6h 27m
Deal found 8/7![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/65:44 pm -
1 stop5h 32m
Sat 9/125:43 am -
2 stops11h 16m
Deal found 8/7![American Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/101:18 pm -
2 stops9h 55m
Tue 9/155:43 am -
2 stops9h 56m
Deal found 8/11![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/1011:55 am -
1 stop7h 09m
Tue 9/155:05 pm -
1 stop5h 49m
Deal found 8/11![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/114:40 pm -
1 stop5h 39m
Mon 9/145:05 pm -
1 stop6h 08m
Deal found 8/10![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/11. 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 9/166:15 am -
1 stop4h 07m
Sat 9/196:15 am -
1 stop6h 53m
Deal found 8/11![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/161:17 pm -
2 stops9h 56m
Sat 9/194:04 pm -
1 stop5h 31m
Deal found 8/11![American Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 8/9. 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 9/171:25 pm -
1 stop7h 59m
Wed 9/231:10 pm -
1 stop7h 46m
Deal found 8/9![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 9/306:01 pm -
1 stop5h 12m
Tue 10/69:58 am -
1 stop8h 21m
Deal found 8/11![American Airlines logo]()
$351
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 August 12, 2026.
Search for one-way flight options from Colorado to Green Bay. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 10/11:25 pm -
1 stop7h 59m
Deal found 8/11![Delta logo]()
$218
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am -
1 stop14h 43m
Deal found 8/11![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 8/11. 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 10/221:25 pm -
1 stop7h 18m
Deal found 8/11![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 8/11. 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.
Fri 10/236:00 am -
1 stop14h 43m
Deal found 8/11![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 8/7. 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.
Thu 10/156:00 am -
1 stop14h 43m
Deal found 8/7![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 8/11. 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.
Mon 10/196:00 am -
1 stop14h 43m
Deal found 8/11![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:36 pm -
1 stop4h 43m
Deal found 8/11![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 10/146:57 pm -
2 stops13h 25m
Deal found 8/11![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:01 pm -
1 stop14h 34m
Deal found 8/12![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 10/13:54 pm -
2 stops16h 41m
Deal found 8/11![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 8/8. 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.
Fri 11/206:00 am -
1 stop4h 37m
Deal found 8/8![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/275:30 am -
2 stops9h 04m
Deal found 8/10![American Airlines logo]()
$355
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 August 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $218 (Delta) |
Popular in | July |
Cheapest in | April |
Average price | $328 |
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 August 12, 2026.
Use the filters below to find and compare flights from Colorado to Green Bay that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Sun 9/6
7:45 am-2:01 pm
1 stop5h 16m
Green Bay Austin-Straubel
Sat 9/12
9:04 am-2:31 pm
1 stop6h 27m
$300
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Fri 9/11
4:40 pm-11:19 pm
1 stop5h 39m
Green Bay Austin-Straubel
Mon 9/14
5:05 pm-10:13 pm
1 stop6h 08m
$329
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Fri 9/11
1:17 pm-12:13 am
2 stops9h 56m
Green Bay Austin-Straubel
Sun 9/13
5:43 am-10:02 am
1 stop5h 19m
$334
Colorado SpringsGreen Bay
COS Colorado Springs - GRB Green Bay Austin-Straubel
COSGRB
Colorado Springs
Tue 10/13
1:29 pm-11:19 pm
2 stops8h 50m
Green Bay Austin-Straubel
Wed 10/21
6:20 am-10:55 am
1 stop5h 35m
$334
Colorado SpringsGreen Bay
COS Colorado Springs - GRB Green Bay Austin-Straubel
COSGRB
Colorado Springs
Thu 9/17
1:25 pm-10:24 pm
1 stop7h 59m
Green Bay Austin-Straubel
Wed 9/23
1:10 pm-7:56 pm
1 stop7h 46m
$354
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Wed 8/19
5:44 pm-12:16 am
1 stop5h 32m
Green Bay Austin-Straubel
Sat 8/22
7:02 pm-11:59 pm
1 stop5h 57m
$357
Colorado SpringsGreen Bay
COS Colorado Springs - GRB Green Bay Austin-Straubel
COSGRB
Colorado Springs
Thu 9/10
1:52 pm-11:19 pm
2 stops8h 27m
Green Bay Austin-Straubel
Tue 9/15
5:05 pm-9:54 pm
1 stop5h 49m
$376
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Fri 8/21
3:50 pm-11:19 pm
1 stop6h 29m
Green Bay Austin-Straubel
Mon 8/24
5:29 pm-9:44 pm
1 stop5h 15m
$379
Quickest round-trip
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Thu 10/8
6:09 pm-12:12 am
1 stop5h 03m
Green Bay Austin-Straubel
Sun 10/11
8:04 pm-12:36 am
1 stop5h 32m
$384
DenverGreen Bay
DEN Denver Intl - GRB Green Bay Austin-Straubel
DENGRB
Denver Intl
Fri 9/11
1:17 pm-12:13 am
2 stops9h 56m
Green Bay Austin-Straubel
Mon 9/14
4:04 pm-8:35 pm
1 stop5h 31m
$389
Showing 1-10 of 43 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.
COS-GRB
DEN-GRB
DRO-GRB
MTJ-GRB
GJT-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
COS-GRB
DEN-GRB
DRO-GRB
MTJ-GRB
What is the cheapest month to book a flight from Colorado to Green Bay?
Currently, April is the cheapest month in which you can book a flight from Colorado to Green Bay (average of $318). Flying from Colorado to Green Bay in July is currently the most expensive (average of $548). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Colorado to Green Bay?
Airfare is below average for this route at the moment.
Colorado to Green Bay flights typically cost between $328 and $354 in September.The cheapest round-trip price found within the last 5 days was $271 on Delta (Sep 16-Sep 19).
How far ahead should I book a flight from Colorado to Green Bay?
To ensure you get the cheapest price possible for a flight from Colorado to Green Bay, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Green Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Colorado to Green Bay
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Complete your trip
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Search flights from Colorado to Green Bay by cabin class
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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 August 12, 2026.
Colorado and Green Bay flights
Browse other Colorado and Green Bay flight options. Last updated on August 12, 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 3 airlines flying from Colorado to Green Bay
Discover the top 3 airlines that operate flights from Colorado to Green Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$340 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$439 | FlexibilityNo cancel fee | On-time69% |