What is the cheapest airline that flies from Green Bay Austin-Straubel to Colorado?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Green Bay Austin-Straubel to Colorado

What airlines fly to Colorado?

United Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Colorado from Green Bay according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 5 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Colorado?

Prices for flights from Green Bay Austin-Straubel Airport to Colorado are updated daily.

How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Colorado?

There are 4 operators available for flights from Green Bay Austin-Straubel Airport to Colorado as of May 2026.

How old do you have to be to fly from Green Bay Austin-Straubel Airport to Colorado?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$217 Cheap Flights from Green Bay to Colorado in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Green Bay to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 12:03 pm

GRB

DEN

6h 18m

1 stop

6:10 am - 11:24 am

DEN

GRB

4h 14m

1 stop

$261Delta

Sat, Oct 24 - Wed, Oct 28

9:52 am - 5:38 pm

GRB

DEN

8h 46m

2 stops

5:46 pm - 11:10 pm

DEN

GRB

4h 24m

1 stop

$266American Airlines

Sat, Oct 24 - Wed, Oct 28

5:25 pm - 9:38 pm

GRB

DEN

5h 13m

1 stop

6:10 am - 11:09 am

DEN

GRB

3h 59m

1 stop

$282Delta

Fri, Sep 25 - Wed, Sep 30

12:15 pm - 10:56 pm

GRB

DEN

11h 41m

2 stops

6:55 am - 2:25 pm

DEN

GRB

6h 30m

1 stop

$287American Airlines

Sun, May 24 - Sun, May 31

5:25 pm - 9:38 pm

GRB

DEN

5h 13m

1 stop

6:10 am - 11:09 am

DEN

GRB

3h 59m

1 stop

$292Delta

Fri, Sep 25 - Wed, Sep 30

4:19 pm - 8:15 pm

GRB

DEN

4h 56m

1 stop

10:48 am - 3:39 pm

DEN

GRB

3h 51m

1 stop

$300Delta

Sat, May 30 - Sat, Jun 6

4:00 pm - 10:29 pm

GRB

DEN

7h 29m

1 stop

6:10 am - 11:09 am

DEN

GRB

3h 59m

1 stop

$303Delta

Fri, Sep 11 - Sun, Sep 20

9:52 am - 7:38 pm

GRB

DEN

10h 46m

2 stops

7:12 am - 7:48 pm

DEN

GRB

11h 36m

2 stops

$314American Airlines

Sat, Oct 24 - Wed, Oct 28

5:25 pm - 9:38 pm

GRB

DEN

5h 13m

1 stop

6:10 am - 11:09 am

DEN

GRB

3h 59m

1 stop

$317Delta

Fri, Sep 25 - Wed, Sep 30

12:34 pm - 8:34 pm

GRB

GJT

9h 00m

2 stops

5:30 am - 2:00 pm

GJT

GRB

7h 30m

2 stops

$531United Airlines

Sat, May 23 - Wed, May 27

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Green Bay to Colorado

Our best Delta deals on Green Bay to Colorado flight tickets

Delta

Oct 24

GRB6:45 amGreen Bay Austin-Straubel

6h 18m

1 stop

DEN12:03 pmDenver Intl

Oct 28

DEN6:10 amDenver Intl

4h 14m

1 stop

GRB11:24 amGreen Bay Austin-Straubel

$261

Delta

Sep 25

GRB5:25 pmGreen Bay Austin-Straubel

5h 13m

1 stop

DEN9:38 pmDenver Intl

Sep 30

DEN6:10 amDenver Intl

3h 59m

1 stop

GRB11:09 amGreen Bay Austin-Straubel

$282

Delta

Sep 25

GRB5:25 pmGreen Bay Austin-Straubel

5h 13m

1 stop

DEN9:38 pmDenver Intl

Sep 30

DEN6:10 amDenver Intl

3h 59m

1 stop

GRB11:09 amGreen Bay Austin-Straubel

$292

American Airlines flights from Green Bay to Colorado

Our best American Airlines deals on Green Bay to Colorado flight tickets

American Airlines

Oct 24

GRB9:52 amGreen Bay Austin-Straubel

8h 46m

2 stops

DEN5:38 pmDenver Intl

Oct 28

DEN5:46 pmDenver Intl

4h 24m

1 stop

GRB11:10 pmGreen Bay Austin-Straubel

$266

American Airlines

May 24

GRB12:15 pmGreen Bay Austin-Straubel

11h 41m

2 stops

DEN10:56 pmDenver Intl

May 31

DEN6:55 amDenver Intl

6h 30m

1 stop

GRB2:25 pmGreen Bay Austin-Straubel

$287

American Airlines

Oct 24

GRB9:52 amGreen Bay Austin-Straubel

10h 46m

2 stops

DEN7:38 pmDenver Intl

Oct 28

DEN7:12 amDenver Intl

11h 36m

2 stops

GRB7:48 pmGreen Bay Austin-Straubel

$314

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 10/24

6:45 am-12:03 pm

1 stop6h 18m

Denver Intl

Wed 10/28

6:10 am-11:24 am

1 stop4h 14m

$261

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 10/24

9:52 am-5:38 pm

2 stops8h 46m

Denver Intl

Wed 10/28

5:46 pm-11:10 pm

1 stop4h 24m

$266

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 9/25

5:25 pm-9:38 pm

1 stop5h 13m

Denver Intl

Wed 9/30

6:10 am-11:09 am

1 stop3h 59m

$282

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sun 5/24

12:15 pm-10:56 pm

2 stops11h 41m

Denver Intl

Sun 5/31

6:55 am-2:25 pm

1 stop6h 30m

$287

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 9/25

5:25 pm-9:38 pm

1 stop5h 13m

Denver Intl

Wed 9/30

6:10 am-11:09 am

1 stop3h 59m

$292

Quickest round-trip

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 5/30

4:19 pm-8:15 pm

1 stop4h 56m

Denver Intl

Sat 6/6

10:48 am-3:39 pm

1 stop3h 51m

$300

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 9/11

4:00 pm-10:29 pm

1 stop7h 29m

Denver Intl

Sun 9/20

6:10 am-11:09 am

1 stop3h 59m

$303

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 10/24

9:52 am-7:38 pm

2 stops10h 46m

Denver Intl

Wed 10/28

7:12 am-7:48 pm

2 stops11h 36m

$314

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 9/25

5:25 pm-9:38 pm

1 stop5h 13m

Denver Intl

Wed 9/30

6:10 am-11:09 am

1 stop3h 59m

$317

Green BayGrand Junction

GRB - GJT

GRBGJT

Green Bay Austin-Straubel

Sat 5/23

12:34 pm-8:34 pm

2 stops9h 00m

Grand Junction Regnl

Wed 5/27

5:30 am-2:00 pm

2 stops7h 30m

$531

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Green Bay to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Colorado?

The month of June is, on average, the cheapest month to fly to Colorado from Green Bay, with most prices found around $79. The month of July is another great option to travel to Colorado, with average flight prices from Green Bay averaging around $80.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Green Bay to Colorado is on a Saturday when prices can be found for as low as $149. On the other hand, Wednesday is the most expensive day to depart from Green Bay because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $235.

What is the cheapest Green Bay Austin-Straubel to Colorado flight route?

Fly from Green Bay Austin-Straubel to Denver Intl for the best Green Bay Austin-Straubel - Colorado flight prices

How far in advance should I book a flight from Green Bay to Colorado?

You are more likely to see cheaper flights to Colorado from Green Bay when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Green Bay for as low as $250 on momondo.

Can stopping save me money on Green Bay to Colorado flights?

No. A direct flight is the cheapest option for a flight between Green Bay to Colorado.

Cheap Green Bay to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Colorado

Fastest flight time	4h 33m
Direct flights	None

The fastest flight from Green Bay to Colorado takes 4h 33m

There are no direct flights from Green Bay to Colorado. There are no popular flight routes from Green Bay to Colorado.

Search flight deals

Frequently asked questions about flying from Green Bay to Colorado

When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Colorado?
Prices for flights from Green Bay Austin-Straubel Airport to Colorado are updated daily.
How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Colorado?
There are 4 operators available for flights from Green Bay Austin-Straubel Airport to Colorado as of May 2026.
How old do you have to be to fly from Green Bay Austin-Straubel Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The necessary travel and health documents for your Colorado trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Green Bay to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Green Bay to Colorado is Airbus A320-100/200 (21.05% of total bookings). The next most popular plane models are Airbus A321neo (15.79%), Boeing 737-800 (15.79%), and Boeing 737 MAX 8 (5.26%).

Best airlines flying from Green Bay to Colorado

Compare and see reviews for airlines that fly from Green Bay to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $80	Free Cancellation	Rating 5.6 2,968 reviews	Search Frontier flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
United Airlines	PriceFrom $229	Free Cancellation	Rating 7.4 9,681 reviews	Search United Airlines flights
American Airlines	PriceFrom $254	Free Cancellation	Rating 7.1 11,674 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Colorado?

It is quick and easy to find Green Bay to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

Can I find flights from Green Bay to Colorado with flexible booking policies on momondo?

Flights from Green Bay to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Green Bay to Colorado?

Once all potential Green Bay to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Green Bay to Colorado right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado from Green Bay. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.