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Green Bay

$136+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRB
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Colorado to Green Bay

Cheapest flights from Colorado to Green Bay
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 March 12, 2026.

This United Airlines deal was found by Cheapflights users on 3/8. 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 5/21:35 pm
DRO
-
GRB
2 stops8h 23m
United Airlines
Sat 5/95:00 am
GRB
-
DRO
2 stops8h 33m
United Airlines
Deal found 3/8$259
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/187:01 am
GJT
-
GRB
2 stops11h 12m
United Airlines
Tue 4/2110:40 am
GRB
-
GJT
2 stops11h 19m
United Airlines
Deal found 3/8$269
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:44 pm
DEN
-
GRB
1 stop4h 48m
American Airlines
Tue 4/219:42 am
GRB
-
DEN
1 stop8h 20m
American Airlines
Deal found 3/9$271
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:30 am
DEN
-
GRB
1 stop3h 48m
Delta
Sun 5/105:01 pm
GRB
-
DEN
1 stop6h 57m
Delta
Deal found 3/9$285
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:01 am
GJT
-
GRB
2 stops8h 52m
United Airlines
Sat 4/2510:40 am
GRB
-
GJT
2 stops11h 19m
United Airlines
Deal found 3/12$290
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:13 pm
DEN
-
GRB
2 stops9h 19m
American Airlines
Sun 5/105:24 pm
GRB
-
DEN
1 stop6h 21m
American Airlines
Deal found 3/9$290
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:34 pm
DEN
-
GRB
1 stop4h 25m
Delta
Wed 4/1511:09 am
GRB
-
DEN
1 stop7h 12m
Delta
Deal found 3/11$291
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:44 pm
DEN
-
GRB
1 stop4h 47m
American Airlines
Sat 4/189:42 am
GRB
-
DEN
2 stops8h 57m
American Airlines
Deal found 3/10$296
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:44 pm
DEN
-
GRB
1 stop4h 47m
American Airlines
Sun 4/195:40 am
GRB
-
DEN
1 stop5h 17m
American Airlines
Deal found 3/9$299
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:30 am
DEN
-
GRB
2 stops9h 12m
American Airlines
Sun 4/55:00 am
GRB
-
DEN
2 stops9h 24m
American Airlines
Deal found 3/9$309
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 3/1712:29 pm
COS
-
GRB
1 stop6h 13m
American Airlines
Tue 4/77:26 am
GRB
-
COS
1 stop5h 26m
American Airlines
Deal found 3/8$334
This United Airlines deal was found by Cheapflights users on 3/8. 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 3/3112:45 pm
MTJ
-
GRB
1 stop7h 47m
United Airlines
Sat 4/45:00 am
GRB
-
MTJ
1 stop7h 50m
United Airlines
Deal found 3/8$339

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(United Airlines)

One-way from

$136
(Delta)

Popular in

November

Cheapest in

May

Average price

$336
Provider with most accurate pricing for Denver Intl-Green Bay Austin-Straubel flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Green Bay Austin-Straubel flights.
Search Deals
From Colorado to Green Bay Austin-Straubel
Search Deals
One-way flight from Colorado to Green Bay Austin-Straubel
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 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

Price

Cheapest round-trip

DurangoGreen Bay

DRO - GRB

DROGRB

Durango La Plata County

Sat 5/2

1:35 pm-10:58 pm

2 stops8h 23m

Green Bay Austin-Straubel

Sat 5/9

5:00 am-12:33 pm

2 stops8h 33m

$259

Grand JunctionGreen Bay

GJT - GRB

GJTGRB

Grand Junction Regnl

Sat 4/18

7:01 am-7:13 pm

2 stops11h 12m

Green Bay Austin-Straubel

Tue 4/21

10:40 am-8:59 pm

2 stops11h 19m

$269

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 4/15

6:00 am-11:59 am

1 stop4h 59m

Green Bay Austin-Straubel

Sun 4/19

8:25 pm-12:58 am

1 stop5h 33m

$285

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Tue 5/5

6:30 am-11:18 am

1 stop3h 48m

Green Bay Austin-Straubel

Sun 5/10

6:20 am-10:20 am

1 stop5h 00m

$305
Quickest round-trip

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Fri 3/27

6:20 am-11:18 am

1 stop3h 58m

Green Bay Austin-Straubel

Sat 4/4

4:19 pm-7:51 pm

1 stop4h 32m

$314

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Fri 3/27

7:45 am-2:06 pm

1 stop5h 21m

Green Bay Austin-Straubel

Mon 3/30

5:35 pm-11:44 pm

1 stop7h 09m

$314

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 4/8

6:20 am-11:18 am

1 stop3h 58m

Green Bay Austin-Straubel

Mon 4/13

4:22 pm-8:04 pm

1 stop4h 42m

$319

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 6/17

6:10 am-11:09 am

1 stop3h 59m

Green Bay Austin-Straubel

Sat 6/20

4:00 pm-7:58 pm

1 stop4h 58m

$319

AspenGreen Bay

ASE - GRB

ASEGRB

Aspen Pitkin County

Fri 3/27

3:46 pm-11:32 pm

1 stop6h 46m

Green Bay Austin-Straubel

Tue 3/31

5:00 am-12:49 pm

1 stop8h 49m

$339

MontroseGreen Bay

MTJ - GRB

MTJGRB

Montrose County

Tue 3/31

12:45 pm-9:32 pm

1 stop7h 47m

Green Bay Austin-Straubel

Sat 4/4

5:00 am-11:50 am

1 stop7h 50m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 48 resultsSorted by cheapest first
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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.
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

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

Currently, July is the cheapest month in which you can book a flight from Colorado to Green Bay (average of $64). Flying from Colorado to Green Bay in February is currently the most expensive (average of $249). 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.

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.

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

    Green Bay Austin-Straubel (GRB), located 5.9 mi from the city center, is the airport you fly into when you book flights from Colorado to Green Bay.

  • How long is the flight from Colorado to Green Bay?

    A quick flight from Colorado to Green Bay can take about 3h 48m. United Airlines provides one of the quickest options available for as low as $305. Airlines will cover a distance of 903 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $79 on Frontier. Other airlines that offer cheap prices include American Airlines from $82 and Delta from $108 one-way.

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

    When deciding which route to take from Colorado to Green Bay consider Denver Intl - Green Bay Austin-Straubel, Colorado Springs - Green Bay Austin-Straubel or Aspen Pitkin County - Green Bay Austin-Straubel as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Green Bay 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 Colorado to Green Bay?

    Currently, July is the cheapest month in which you can book a flight from Colorado to Green Bay (average of $64). Flying from Colorado to Green Bay in February is currently the most expensive (average of $249). 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 Colorado to Green Bay

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$87Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$125Average$365FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$264Average$398FlexibilityNo cancel feeOn-time69%

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