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$109+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — DEN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Green Bay to Colorado

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Colorado (USCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$217
(Delta)

One-way from

$109
(Delta)
From Green Bay Austin-Straubel to Colorado
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One-way flight from Green Bay Austin-Straubel to Colorado
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Find flight deals from Green Bay to Colorado

Cheapest flights from Green Bay to Colorado
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 January 21, 2025.

This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 2/412:14 pmGRB - DEN
1 stop5h 49mDelta
Tue 2/114:15 pmDEN - GRB
1 stop4h 14mDelta
Deal found 1/20$217
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 4/26:34 pmGRB - DEN
1 stop4h 59mAmerican Airlines
Mon 4/711:59 pmDEN - GRB
2 stops9h 51mAmerican Airlines
Deal found 1/20$249
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 2/45:17 pmGRB - DEN
1 stop5h 41mUnited Airlines
Sat 2/86:00 amDEN - GRB
2 stops11h 58mUnited Airlines
Deal found 1/20$264
This Cheapflightsfares deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:13 pmGRB - DEN
Nonstop2h 45mFrontier
Fri 5/303:50 pmDEN - GRB
Nonstop2h 23mFrontier
Deal found 1/19$312
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 4/235:25 pmGRB - COS
2 stops7h 34mUnited Airlines
Sat 4/2610:40 amCOS - GRB
2 stops9h 12mUnited Airlines
Deal found 1/20$440
This United deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/153:40 pmGRB - GJT
2 stops7h 38mUnited Airlines
Tue 2/255:30 amGJT - GRB
2 stops8h 29mUnited Airlines
Deal found 1/20$454
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2210:43 amGRB - ASE
1 stop8h 38mUnited Airlines
Sat 1/2510:03 amASE - GRB
2 stops9h 45mUnited Airlines
Deal found 1/20$654
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 3/211:22 amGRB - ASE
1 stop5h 20mAmerican Airlines
Fri 3/71:45 pmASE - GRB
1 stop27h 17mAmerican Airlines
Deal found 1/20$682
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 2/156:01 amGRB - GJT
3 stops16h 01mAmerican Airlines
Tue 2/2512:01 pmGJT - GRB
2 stops8h 59mAmerican Airlines
Deal found 1/20$709
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/208:25 amGRB - DRO
2 stops9h 47mUnited Airlines
Mon 2/245:56 pmDRO - GRB
2 stops20h 03mUnited Airlines
Deal found 1/20$756
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 3/176:00 amGRB - COS
3 stops10h 46mAmerican Airlines
Fri 3/214:40 pmCOS - GRB
2 stops17h 25mAmerican Airlines
Deal found 1/20$963
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” 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 1/225:20 amGRB - ASE
1 stop7h 37mDelta
Sun 1/263:04 pmASE - GRB
1 stop7h 05mDelta
Deal found 1/20$1,485

Find flights from Green Bay to Colorado within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 2/4

12:14 pm-5:03 pm

1 stop5h 49m

Denver Intl

Tue 2/11

4:15 pm-9:29 pm

1 stop4h 14m

$217

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Wed 4/2

6:34 pm-10:33 pm

1 stop4h 59m

Denver Intl

Mon 4/7

11:59 pm-10:50 am

2 stops9h 51m

$249

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 2/4

5:17 pm-9:58 pm

1 stop5h 41m

Denver Intl

Sat 2/8

6:00 am-6:58 pm

2 stops11h 58m

$264

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 5/23

8:13 pm-9:58 pm

Nonstop2h 45m

Denver Intl

Fri 5/30

3:50 pm-7:13 pm

Nonstop2h 23m

$312

Green BayColorado Springs

GRB - COS

GRBCOS

Green Bay Austin-Straubel

Wed 4/23

5:25 pm-11:59 pm

2 stops7h 34m

Colorado Springs

Sat 4/26

10:40 am-8:52 pm

2 stops9h 12m

$440

Green BayGrand Junction

GRB - GJT

GRBGJT

Green Bay Austin-Straubel

Sat 2/15

3:40 pm-10:18 pm

2 stops7h 38m

Grand Junction Regnl

Tue 2/25

5:30 am-2:59 pm

2 stops8h 29m

$454

Green BayAspen

GRB - ASE

GRBASE

Green Bay Austin-Straubel

Sun 3/2

11:22 am-3:42 pm

1 stop5h 20m

Aspen Pitkin County

Fri 3/7

1:45 pm-6:02 pm

1 stop27h 17m

$682

Green BayGrand Junction

GRB - GJT

GRBGJT

Green Bay Austin-Straubel

Sat 2/15

6:01 am-9:02 pm

3 stops16h 01m

Grand Junction Regnl

Tue 2/25

12:01 pm-10:00 pm

2 stops8h 59m

$709

Green BayAspen

GRB - ASE

GRBASE

Green Bay Austin-Straubel

Sun 3/2

5:42 pm-11:24 am

2 stops18h 42m

Aspen Pitkin County

Fri 3/7

4:56 pm-6:56 pm

2 stops25h 00m

$741

Green BayDurango

GRB - DRO

GRBDRO

Green Bay Austin-Straubel

Thu 2/20

8:25 am-5:12 pm

2 stops9h 47m

Durango La Plata County

Mon 2/24

5:56 pm-2:59 pm

2 stops20h 03m

$756

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 18 results
1
2

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.
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.

Travel insights for flights from Green Bay to Colorado

Get recent, data-driven insights about flights from Green Bay to Colorado including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Green Bay to Colorado?

Currently, October is the cheapest month in which you can book a flight from Green Bay to Colorado (average of $197). Flying from Green Bay to Colorado in March is currently the most expensive (average of $278). 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Green Bay to Colorado as you normally would.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 January 21, 2025.
To help decide which airline to fly from Green Bay to Colorado, see what other customers have to say about Delta, American Airlines and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier
6.1
Okay
3,443 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What airport do you fly from for flights from Green Bay to Colorado?

    Most people fly from Green Bay Austin-Straubel (GRB) if they book a flight from Green Bay to Colorado. Green Bay Austin-Straubel is conveniently located just 5.9 mi from Green Bay’s city center.

  • How popular is this Green Bay to Colorado flight route?

    Within the past month, 2 users have taken a look at flights from Green Bay Austin-Straubel to Colorado.

  • What are the cheapest airlines to fly from Green Bay to Colorado one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Green Bay to Colorado for a low price.

  • What are the most popular routes from Green Bay to Colorado?

    While some choose either Green Bay Austin-Straubel - Colorado Springs or Green Bay Austin-Straubel - Aspen Pitkin County, Green Bay Austin-Straubel - Denver Intl is the most popular route from Green Bay to Colorado.

  • Can I find deals for flights from Green Bay to Colorado that include hotel bookings?

    Yes. In addition to deals on Green Bay to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Colorado.

  • Can I find deals for business class flights from Green Bay to Colorado?

    Yes. Cheapflights offers flight deals from Green Bay to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Green Bay to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Green Bay to Colorado (average of $197). Flying from Green Bay to Colorado in March is currently the most expensive (average of $278). 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.

See more FAQs

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Alternative routes for Green Bay to Colorado

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$153FlexibilityNo cancel feeOn-time62%
DeltaCheapest$218Average$400FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$237Average$360FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$455FlexibilityNo cancel feeOn-time69%
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