HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Green Bay

$217+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRB
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 30, 2026.

This Delta deal was found by Cheapflights users on 4/29. 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 6/136:00 am
DEN
-
GRB
1 stop4h 23m
Delta
Sat 6/204:14 pm
GRB
-
DEN
1 stop4h 17m
Delta
Deal found 4/29$261
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/2611:59 pm
DEN
-
GRB
2 stops10h 46m
American Airlines
Tue 6/26:51 pm
GRB
-
DEN
1 stop6h 24m
American Airlines
Deal found 4/26$266
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
DEN
-
GRB
1 stop4h 13m
Delta
Tue 6/24:19 pm
GRB
-
DEN
1 stop4h 56m
Delta
Deal found 4/28$273
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/285:35 pm
DEN
-
GRB
1 stop5h 18m
American Airlines
Sun 5/316:51 pm
GRB
-
DEN
1 stop6h 08m
American Airlines
Deal found 4/26$282
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:59 pm
DEN
-
GRB
2 stops10h 46m
American Airlines
Sun 5/316:51 pm
GRB
-
DEN
1 stop6h 08m
American Airlines
Deal found 4/29$287
This Delta deal was found by Cheapflights users on 4/27. 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 6/136:00 am
DEN
-
GRB
1 stop4h 23m
Delta
Mon 6/1512:05 pm
GRB
-
DEN
1 stop4h 33m
Delta
Deal found 4/27$292
This American Airlines deal was found by Cheapflights users on 4/26. 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 6/36:38 am
DEN
-
GRB
2 stops10h 41m
American Airlines
Sat 6/612:59 pm
GRB
-
DEN
2 stops11h 00m
American Airlines
Deal found 4/26$293
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/236:00 am
DEN
-
GRB
1 stop7h 00m
United Airlines
Wed 6/35:00 am
GRB
-
DEN
1 stop4h 55m
United Airlines
Deal found 4/28$300
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
DEN
-
GRB
1 stop4h 59m
United Airlines
Mon 6/18:25 pm
GRB
-
DEN
1 stop5h 28m
United Airlines
Deal found 4/25$303
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:35 pm
DEN
-
GRB
1 stop5h 18m
American Airlines
Wed 6/312:15 pm
GRB
-
DEN
2 stops11h 41m
American Airlines
Deal found 4/28$305
This American Airlines deal was found by Cheapflights users on 4/25. 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 6/1211:59 pm
DEN
-
GRB
2 stops10h 46m
American Airlines
Sat 6/209:57 am
GRB
-
DEN
1 stop7h 57m
American Airlines
Deal found 4/25$308
This Delta deal was found by Cheapflights users on 4/29. 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 8/261:40 pm
COS
-
GRB
1 stop7h 18m
Delta
Tue 9/16:45 am
GRB
-
COS
1 stop4h 17m
Delta
Deal found 4/29$317

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(Delta)

One-way from

$217
(Delta)

Popular in

November

Cheapest in

May

Average price

$308
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. 13% potential increase in price ($51 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 April 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 April 30, 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

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Mon 5/25

6:00 am-11:59 am

1 stop4h 59m

Green Bay Austin-Straubel

Mon 6/1

8:25 pm-12:53 am

1 stop5h 28m

$303

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Fri 5/22

6:00 am-11:18 am

1 stop4h 18m

Green Bay Austin-Straubel

Wed 6/3

11:53 am-3:36 pm

1 stop4h 43m

$312

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Sun 5/24

6:00 am-11:13 am

1 stop4h 13m

Green Bay Austin-Straubel

Fri 6/5

5:01 pm-10:58 pm

1 stop6h 57m

$314

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Mon 6/8

6:00 am-11:23 am

1 stop4h 23m

Green Bay Austin-Straubel

Mon 6/15

12:05 pm-3:38 pm

1 stop4h 33m

$333

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 8/5

6:00 am-11:59 am

1 stop4h 59m

Green Bay Austin-Straubel

Mon 8/10

8:45 pm-12:59 am

1 stop5h 14m

$343

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 5/13

6:00 am-12:34 pm

1 stop5h 34m

Green Bay Austin-Straubel

Sat 5/16

5:35 pm-10:19 pm

1 stop5h 44m

$347

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Fri 5/22

4:10 pm-9:58 pm

1 stop4h 48m

Green Bay Austin-Straubel

Mon 5/25

6:20 am-10:20 am

1 stop5h 00m

$353

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Tue 5/19

6:00 am-11:13 am

1 stop4h 13m

Green Bay Austin-Straubel

Sun 5/24

11:11 am-5:14 pm

1 stop7h 03m

$353

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 5/20

6:00 am-11:13 am

1 stop4h 13m

Green Bay Austin-Straubel

Mon 5/25

6:20 am-10:20 am

1 stop5h 00m

$353
Quickest round-trip

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Thu 6/18

6:00 am-11:23 am

1 stop4h 23m

Green Bay Austin-Straubel

Sat 6/20

4:14 pm-7:31 pm

1 stop4h 17m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

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

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 26 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.

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.

  • 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 4h 18m. United Airlines provides one of the quickest options available for as low as $312. 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 United Airlines from $125 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 Grand Junction Regnl - 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, 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.

See more FAQs

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.

Alternative routes for Colorado to Green Bay

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to O'Hare Intl flights
Newark to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
Los Angeles to O'Hare Intl flights
Dallas/Fort Worth to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Dulles Intl to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Seattle to O'Hare Intl flights
Philadelphia to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Denver to O'Hare Intl flights
Ontario to O'Hare Intl flights
Atlanta to O'Hare Intl flights
Boston to O'Hare Intl flights
Orlando to O'Hare Intl flights
Sky Harbor Intl to O'Hare Intl flights
Austin to O'Hare Intl flights
Hobby to O'Hare Intl flights
Raleigh to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
Dallas/Fort Worth to Minneapolis flights
Tampa to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
Dulles Intl to Minneapolis flights
LaGuardia to Minneapolis flights
Charlotte to O'Hare Intl flights
Newark to Minneapolis flights
San Diego to O'Hare Intl flights
Minneapolis to O'Hare Intl flights
Seattle to Minneapolis flights
Miami to O'Hare Intl flights
Fort Lauderdale to O'Hare Intl flights
San Jose to O'Hare Intl flights
Baltimore to Minneapolis flights
Los Angeles to Minneapolis flights
Sky Harbor Intl to Minneapolis flights
Boston to Minneapolis flights
John F Kennedy Intl to Minneapolis flights
Newark to Milwaukee flights
San Francisco to Minneapolis flights
Atlanta to Minneapolis flights
Sacramento to O'Hare Intl flights
Love Field to O'Hare Intl flights
Hartford to O'Hare Intl flights
Burbank to O'Hare Intl flights
Reagan-National to Minneapolis flights
Portland to O'Hare Intl flights
Las Vegas to O'Hare Intl flights
Jacksonville to O'Hare Intl flights

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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$87Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$125Average$377FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$250Average$347FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$264Average$393FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.