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 44% 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 September 2025.

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.

$126 Cheap Flights from Green Bay to Colorado in 2025/26

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Find the cheapest flights from Green Bay to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

4:16 pm - 7:30 pmGRB-DEN

4h 14m1 stop

10:18 am - 4:16 pmDEN-GRB

4h 58m1 stop

$251Delta

Find Deal

Sat, Nov 8 - Sat, Nov 15

5:20 pm - 10:06 pmGRB-DEN

5h 46m1 stop

6:05 am - 11:22 amDEN-GRB

4h 17m1 stop

$255Delta

Find Deal

Fri, Oct 24 - Tue, Oct 28

6:00 am - 1:55 pmGRB-DEN

8h 55m2 stops

5:44 pm - 11:28 pmDEN-GRB

4h 44m1 stop

$256American Airlines

Find Deal

Sat, Nov 8 - Sat, Nov 15

9:44 am - 4:38 pmGRB-DEN

7h 54m1 stop

5:28 pm - 11:30 pmDEN-GRB

5h 02m1 stop

$259American Airlines

Find Deal

Fri, Oct 24 - Thu, Oct 30

3:09 pm - 10:22 pmGRB-DEN

8h 13m1 stop

6:23 am - 7:22 pmDEN-GRB

11h 59m2 stops

$260American Airlines

Find Deal

Thu, Nov 13 - Tue, Nov 18

10:40 am - 2:42 pmGRB-DEN

5h 02m1 stop

2:45 pm - 8:58 pmDEN-GRB

5h 13m1 stop

$279United Airlines

Find Deal

Sat, Oct 18 - Fri, Oct 24

12:04 pm - 3:44 pmGRB-DEN

4h 40m1 stop

6:05 am - 11:23 amDEN-GRB

4h 18m1 stop

$289Delta

Find Deal

Tue, Sep 30 - Sat, Oct 4

1:35 pm - 8:04 pmGRB-DEN

7h 29m1 stop

6:00 am - 1:00 pmDEN-GRB

6h 00m1 stop

$295United Airlines

Find Deal

Sat, Dec 13 - Sun, Dec 14

12:02 pm - 3:42 pmGRB-DEN

4h 40m1 stop

11:40 am - 11:22 amDEN-GRB

22h 42m1 stop

$298Delta

Find Deal

Sat, Oct 25 - Mon, Oct 27

5:25 pm - 9:41 pmGRB-COS

5h 16m1 stop

6:00 am - 12:44 pmCOS-GRB

5h 44m1 stop

$307United Airlines

Find Deal

Wed, Oct 1 - Sun, Oct 5

United Airlines flights from Green Bay to Colorado

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

United Airlines

Oct 18

GRB10:40 amGreen Bay Austin-Straubel

5h 02m

1 stop

DEN2:42 pmDenver Intl

Oct 24

DEN2:45 pmDenver Intl

5h 13m

1 stop

GRB8:58 pmGreen Bay Austin-Straubel

$279

Find similar

United Airlines

Dec 13

GRB1:35 pmGreen Bay Austin-Straubel

7h 29m

1 stop

DEN8:04 pmDenver Intl

Dec 14

DEN6:00 amDenver Intl

6h 00m

1 stop

GRB1:00 pmGreen Bay Austin-Straubel

$295

Find similar

United Airlines

Oct 1

GRB5:25 pmGreen Bay Austin-Straubel

5h 16m

1 stop

COS9:41 pmColorado Springs

Oct 5

COS6:00 amColorado Springs

5h 44m

1 stop

GRB12:44 pmGreen Bay Austin-Straubel

$307

Find similar

American Airlines flights from Green Bay to Colorado

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

American Airlines

Nov 8

GRB6:00 amGreen Bay Austin-Straubel

8h 55m

2 stops

DEN1:55 pmDenver Intl

Nov 15

DEN5:44 pmDenver Intl

4h 44m

1 stop

GRB11:28 pmGreen Bay Austin-Straubel

$256

Find similar

American Airlines

Oct 24

GRB9:44 amGreen Bay Austin-Straubel

7h 54m

1 stop

DEN4:38 pmDenver Intl

Oct 30

DEN5:28 pmDenver Intl

5h 02m

1 stop

GRB11:30 pmGreen Bay Austin-Straubel

$259

Find similar

American Airlines

Nov 13

GRB3:09 pmGreen Bay Austin-Straubel

8h 13m

1 stop

DEN10:22 pmDenver Intl

Nov 18

DEN6:23 amDenver Intl

11h 59m

2 stops

GRB7:22 pmGreen Bay Austin-Straubel

$260

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 11/8

4:16 pm-7:30 pm

1 stop4h 14m

Denver Intl

Sat 11/15

10:18 am-4:16 pm

1 stop4h 58m

$251

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 10/24

5:20 pm-10:06 pm

1 stop5h 46m

Denver Intl

Tue 10/28

6:05 am-11:22 am

1 stop4h 17m

$255

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 11/8

6:00 am-1:55 pm

2 stops8h 55m

Denver Intl

Sat 11/15

5:44 pm-11:28 pm

1 stop4h 44m

$256

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 10/24

9:44 am-4:38 pm

1 stop7h 54m

Denver Intl

Thu 10/30

5:28 pm-11:30 pm

1 stop5h 02m

$259

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Thu 11/13

3:09 pm-10:22 pm

1 stop8h 13m

Denver Intl

Tue 11/18

6:23 am-7:22 pm

2 stops11h 59m

$260

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 10/18

10:40 am-2:42 pm

1 stop5h 02m

Denver Intl

Fri 10/24

2:45 pm-8:58 pm

1 stop5h 13m

$279

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 9/30

12:04 pm-3:44 pm

1 stop4h 40m

Denver Intl

Sat 10/4

6:05 am-11:23 am

1 stop4h 18m

$289

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 12/13

1:35 pm-8:04 pm

1 stop7h 29m

Denver Intl

Sun 12/14

6:00 am-1:00 pm

1 stop6h 00m

$295

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 10/25

12:02 pm-3:42 pm

1 stop4h 40m

Denver Intl

Mon 10/27

11:40 am-11:22 am

1 stop22h 42m

$298

Green BayColorado Springs

GRB - COS

GRBCOS

Green Bay Austin-Straubel

Wed 10/1

5:25 pm-9:41 pm

1 stop5h 16m

Colorado Springs

Sun 10/5

6:00 am-12:44 pm

1 stop5h 44m

$307

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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 July is, on average, the cheapest month to fly to Colorado from Green Bay, with most prices found around $179. The month of June is another great option to travel to Colorado, with average flight prices from Green Bay averaging around $210.

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 $210.

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 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 $320 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 $192 on momondo.

What cabin class options are available on Green Bay Austin-Straubel to Colorado flights?

There is only 1 cabin class available to choose from on Green Bay Austin-Straubel to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Direct flights	None

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

Search flight deals

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 September 2025.
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 A321neo (30.00% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (20.00%), Airbus A321-100/200 (16.67%), and Airbus A320-100/200 (11.67%).

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 $94	Free Cancellation	Rating 5.8 3,174 reviews	Search Frontier flights
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
American Airlines	PriceFrom $238	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 8,924 reviews	Search United 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.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Colorado

Popular cities in Colorado

Flights to New Yorkfrom $49

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Flights to Orlandofrom $60

Flights to Las Vegasfrom $48

Flights to San Franciscofrom $53

Flights to Washington, D.C.from $49

Flights to Bostonfrom $62

Flights to Atlantafrom $51

Flights to Dallasfrom $68

Flights to Seattlefrom $69

Green Bay flight routes

Flights from Green Bay Austin-Straubel to Fort Myers SW Florida Intl

Flights from Green Bay Austin-Straubel to Denver Intl

Flights from Green Bay Austin-Straubel to Detroit Metropolitan Wayne County

Flights from Green Bay Austin-Straubel to Minneapolis St Paul

Flights from Green Bay Austin-Straubel to Atlanta Hartsfield-Jackson

Flights from Green Bay Austin-Straubel to Chicago O'Hare Intl

Cheap flights from Green Bay to Colorado from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Colorado departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

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Find the cheapest flights from Green Bay to Colorado

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United Airlines flights from Green Bay to Colorado

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

American Airlines flights from Green Bay to Colorado

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

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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

What is the cheapest month to fly to Colorado?

The month of July is, on average, the cheapest month to fly to Colorado from Green Bay, with most prices found around $179. The month of June is another great option to travel to Colorado, with average flight prices from Green Bay averaging around $210.

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

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 to Colorado?

What cabin class options are available on Green Bay Austin-Straubel to Colorado flights?

There is only 1 cabin class available to choose from on Green Bay Austin-Straubel to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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.

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?

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

Direct flights

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

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

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

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

What is the most popular plane model from Green Bay to Colorado?

Best airlines flying from Green Bay to Colorado

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

Why use momondo?

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

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

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

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

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo