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

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

What airlines fly to Green Bay?

United Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Green Bay from Colorado according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Green Bay. Keep in mind that there are 4 different airlines that fly to Green Bay on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Green Bay?

Flight times vary depending on what airport in Colorado you fly out of and what airport in Green Bay you fly into. For example, flying from Denver to Appleton takes 2h 16m on average. On the other hand, flying from Colorado Springs to Appleton takes 5h 06m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

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

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

The number of operators available for flights from Colorado to Green Bay Austin-Straubel Airport is 3 as of September 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Green Bay Austin-Straubel Airport.

What documentation or ID do you need to fly to Green Bay Austin-Straubel Airport?

The travel and health documents you'll need for your trip to Green Bay Austin-Straubel Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Green Bay Austin-Straubel Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$278 Cheap Flights from Colorado to Green Bay in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Green Bay

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:24 pm - 6:22 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

4h 58m1 stop Chicago O'Hare Intl

8:29 pm - 12:26 amGRB Green Bay Austin-Straubel-DEN Denver Intl

4h 57m1 stop Chicago O'Hare Intl

$278American Airlines

Wed, Nov 4 - Sat, Nov 7

12:23 pm - 12:06 amDEN Denver Intl-GRB Green Bay Austin-Straubel

10h 43m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

10:02 am - 5:20 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

8h 18m1 stop Chicago O'Hare Intl

$283American Airlines

Wed, Nov 4 - Sat, Nov 7

7:33 am - 6:22 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

9h 49m2 stops Dallas/Fort Worth Chicago O'Hare Intl

6:49 pm - 10:54 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

5h 05m1 stop Chicago O'Hare Intl

$283American Airlines

Wed, Nov 4 - Sat, Nov 7

9:07 am - 6:22 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

8h 15m2 stops Dallas/Fort Worth Chicago O'Hare Intl

2:40 pm - 10:54 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

9h 14m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$288American Airlines

Wed, Nov 4 - Sat, Nov 7

3:25 pm - 11:15 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

6h 50m1 stop Chicago O'Hare Intl

1:25 pm - 6:02 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

5h 37m1 stop Chicago O'Hare Intl

$320United Airlines

Thu, Dec 31 - Tue, Jan 12

3:50 pm - 9:28 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

4h 38m1 stop Minneapolis St Paul

12:30 pm - 3:56 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

4h 26m1 stop Minneapolis St Paul

$345Delta

Sat, Dec 26 - Mon, Jan 4

4:45 pm - 10:44 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

4h 59m1 stop Chicago O'Hare Intl

6:50 pm - 11:58 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

6h 08m1 stop Chicago O'Hare Intl

$349United Airlines

Fri, Feb 19 - Sun, Feb 21

1:40 pm - 10:50 pmCOS Colorado Springs-GRB Green Bay Austin-Straubel

8h 10m1 stop Atlanta Hartsfield-Jackson

5:20 am - 12:33 pmGRB Green Bay Austin-Straubel-COS Colorado Springs

8h 13m1 stop Atlanta Hartsfield-Jackson

$349Delta

Wed, Dec 2 - Tue, Dec 8

1:35 pm - 10:17 pmCOS Colorado Springs-GRB Green Bay Austin-Straubel

7h 42m1 stop Atlanta Hartsfield-Jackson

5:30 am - 12:26 pmGRB Green Bay Austin-Straubel-COS Colorado Springs

7h 56m1 stop Atlanta Hartsfield-Jackson

$349Delta

Fri, Nov 6 - Thu, Nov 12

1:29 pm - 11:19 pmCOS Colorado Springs-GRB Green Bay Austin-Straubel

8h 50m2 stops Denver Intl Chicago O'Hare Intl

6:20 am - 10:55 amGRB Green Bay Austin-Straubel-COS Colorado Springs

5h 35m1 stop Chicago O'Hare Intl

$354United Airlines

Tue, Oct 20 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

6:15 am - 11:22 amDEN Denver Intl-GRB Green Bay Austin-Straubel

4h 07m1 stop Minneapolis St Paul

6:15 am - 10:05 amGRB Green Bay Austin-Straubel-DEN Denver Intl

4h 50m1 stop Minneapolis St Paul

$377Delta

Wed, Sep 30 - Sat, Oct 3

6:15 am - 11:22 amDEN Denver Intl-GRB Green Bay Austin-Straubel

4h 07m1 stop Minneapolis St Paul

6:15 am - 10:05 amGRB Green Bay Austin-Straubel-DEN Denver Intl

4h 50m1 stop Minneapolis St Paul

$377Delta

Tue, Sep 29 - Sat, Oct 3

6:01 pm - 12:13 amDEN Denver Intl-GRB Green Bay Austin-Straubel

5h 12m1 stop Chicago O'Hare Intl

8:05 pm - 12:36 amGRB Green Bay Austin-Straubel-DEN Denver Intl

5h 31m1 stop Chicago O'Hare Intl

$422American Airlines

Thu, Oct 1 - Mon, Oct 5

6:01 pm - 12:13 amDEN Denver Intl-GRB Green Bay Austin-Straubel

5h 12m1 stop Chicago O'Hare Intl

8:05 pm - 12:36 amGRB Green Bay Austin-Straubel-DEN Denver Intl

5h 31m1 stop Chicago O'Hare Intl

$422American Airlines

Thu, Oct 1 - Mon, Oct 5

1:25 pm - 10:24 pmCOS Colorado Springs-GRB Green Bay Austin-Straubel

7h 59m1 stop Atlanta Hartsfield-Jackson

5:30 am - 12:21 pmGRB Green Bay Austin-Straubel-COS Colorado Springs

7h 51m1 stop Atlanta Hartsfield-Jackson

$444Delta

Tue, Sep 29 - Sat, Oct 10

6:01 pm - 12:13 amDEN Denver Intl-GRB Green Bay Austin-Straubel

5h 12m1 stop Chicago O'Hare Intl

8:05 pm - 12:36 amGRB Green Bay Austin-Straubel-DEN Denver Intl

5h 31m1 stop Chicago O'Hare Intl

$446American Airlines

Thu, Oct 1 - Mon, Oct 5

6:15 am - 11:22 amDEN Denver Intl-GRB Green Bay Austin-Straubel

4h 07m1 stop Minneapolis St Paul

4:51 pm - 8:06 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

4h 15m1 stop Minneapolis St Paul

$448Delta

Wed, Sep 30 - Tue, Oct 6

1:29 pm - 11:19 pmCOS Colorado Springs-GRB Green Bay Austin-Straubel

8h 50m2 stops Denver Intl Chicago O'Hare Intl

6:20 am - 10:55 amGRB Green Bay Austin-Straubel-COS Colorado Springs

5h 35m1 stop Chicago O'Hare Intl

$449United Airlines

Tue, Sep 29 - Sat, Oct 10

1:25 pm - 9:03 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

6h 38m1 stop Chicago O'Hare Intl

9:05 am - 2:32 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

6h 27m1 stop Chicago O'Hare Intl

$477United Airlines

Tue, Sep 29 - Wed, Oct 7

2:49 pm - 11:19 pmDEN Denver Intl-GRB Green Bay Austin-Straubel

7h 30m1 stop Chicago O'Hare Intl

9:05 am - 3:17 pmGRB Green Bay Austin-Straubel-DEN Denver Intl

7h 12m1 stop Chicago O'Hare Intl

$477United Airlines

Wed, Sep 30 - Wed, Oct 7

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United Airlines flights from Colorado to Green Bay

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

United Airlines

Oct 20

COS1:29 pmColorado Springs

8h 50m

2 stops

GRB11:19 pmGreen Bay Austin-Straubel

Oct 24

GRB6:20 amGreen Bay Austin-Straubel

5h 35m

1 stop

COS10:55 amColorado Springs

$354

United Airlines

Oct 20

COS11:57 amColorado Springs

6h 51m

1 stop

GRB7:48 pmGreen Bay Austin-Straubel

Oct 24

GRB6:20 amGreen Bay Austin-Straubel

5h 35m

1 stop

COS10:55 amColorado Springs

$374

United Airlines

Jan 6

DEN6:00 amDenver Intl

5h 47m

1 stop

GRB12:47 pmGreen Bay Austin-Straubel

Jan 9

GRB3:26 pmGreen Bay Austin-Straubel

7h 50m

1 stop

DEN10:16 pmDenver Intl

$391

American Airlines flights from Colorado to Green Bay

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

American Airlines

Nov 4

DEN12:24 pmDenver Intl

4h 58m

1 stop

GRB6:22 pmGreen Bay Austin-Straubel

Nov 7

GRB8:29 pmGreen Bay Austin-Straubel

4h 57m

1 stop

DEN12:26 amDenver Intl

$278

American Airlines

Nov 4

DEN12:23 pmDenver Intl

10h 43m

2 stops

GRB12:06 amGreen Bay Austin-Straubel

Nov 7

GRB10:02 amGreen Bay Austin-Straubel

8h 18m

1 stop

DEN5:20 pmDenver Intl

$283

American Airlines

Nov 4

DEN12:23 pmDenver Intl

10h 43m

2 stops

GRB12:06 amGreen Bay Austin-Straubel

Nov 7

GRB2:40 pmGreen Bay Austin-Straubel

9h 14m

2 stops

DEN10:54 pmDenver Intl

$288

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverGreen Bay

DEN Denver Intl - GRB Green Bay Austin-Straubel

DENGRB

Denver Intl

Wed 11/4

12:24 pm-6:22 pm

1 stop4h 58m

Green Bay Austin-Straubel

Sat 11/7

8:29 pm-12:26 am

1 stop4h 57m

$278

DenverGreen Bay

DEN Denver Intl - GRB Green Bay Austin-Straubel

DENGRB

Denver Intl

Wed 11/4

12:23 pm-12:06 am

2 stops10h 43m

Green Bay Austin-Straubel

Sat 11/7

10:02 am-5:20 pm

1 stop8h 18m

$283

DenverGreen Bay

DEN Denver Intl - GRB Green Bay Austin-Straubel

DENGRB

Denver Intl

Wed 11/4

7:33 am-6:22 pm

2 stops9h 49m

Green Bay Austin-Straubel

Sat 11/7

6:49 pm-10:54 pm

1 stop5h 05m

$283

DenverGreen Bay

DEN Denver Intl - GRB Green Bay Austin-Straubel

DENGRB

Denver Intl

Wed 11/4

9:07 am-6:22 pm

2 stops8h 15m

Green Bay Austin-Straubel

Sat 11/7

2:40 pm-10:54 pm

2 stops9h 14m

$288

DenverGreen Bay

DEN Denver Intl - GRB Green Bay Austin-Straubel

DENGRB

Denver Intl

Thu 12/31

3:25 pm-11:15 pm

1 stop6h 50m

Green Bay Austin-Straubel

Tue 1/12

1:25 pm-6:02 pm

1 stop5h 37m

$320

Quickest round-trip

DenverGreen Bay

DEN Denver Intl - GRB Green Bay Austin-Straubel

DENGRB

Denver Intl

Sat 12/26

3:50 pm-9:28 pm

1 stop4h 38m

Green Bay Austin-Straubel

Mon 1/4

12:30 pm-3:56 pm

1 stop4h 26m

$345

DenverGreen Bay

DEN Denver Intl - GRB Green Bay Austin-Straubel

DENGRB

Denver Intl

Fri 2/19

4:45 pm-10:44 pm

1 stop4h 59m

Green Bay Austin-Straubel

Sun 2/21

6:50 pm-11:58 pm

1 stop6h 08m

$349

Colorado SpringsGreen Bay

COS Colorado Springs - GRB Green Bay Austin-Straubel

COSGRB

Colorado Springs

Wed 12/2

1:40 pm-10:50 pm

1 stop8h 10m

Green Bay Austin-Straubel

Tue 12/8

5:20 am-12:33 pm

1 stop8h 13m

$349

Colorado SpringsGreen Bay

COS Colorado Springs - GRB Green Bay Austin-Straubel

COSGRB

Colorado Springs

Fri 11/6

1:35 pm-10:17 pm

1 stop7h 42m

Green Bay Austin-Straubel

Thu 11/12

5:30 am-12:26 pm

1 stop7h 56m

$349

Colorado SpringsGreen Bay

COS Colorado Springs - GRB Green Bay Austin-Straubel

COSGRB

Colorado Springs

Tue 10/20

1:29 pm-11:19 pm

2 stops8h 50m

Green Bay Austin-Straubel

Sat 10/24

6:20 am-10:55 am

1 stop5h 35m

$354

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 Colorado to Green Bay

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

Other information

What is the cheapest month to fly to Green Bay?

The month of April is, on average, the cheapest month to fly to Green Bay from Colorado, with most prices found around $318. If you aren’t able to travel during the month of April, then book flights to Green Bay from Colorado during August instead. Flights to Green Bay in August, while not as cheap as those in April, still average around $328.

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

You could potentially save up to 22% on your flight if you consider stops on a Colorado to Green Bay flight.

Cheap Colorado to Green Bay flight deals and tips

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

Best Price Found	$310
Fastest flight time	4h 25m
Direct flights	None

The best one-way flight to Green Bay from Colorado in the past 72 hours is $310. The best round-trip flight deal from Colorado to Green Bay found on momondo in the last 72 hours is $278.

The fastest flight from Colorado to Green Bay takes 4h 25m

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

Search flight deals

Frequently asked questions about flying from Colorado to Green Bay

When did momondo last update prices for flights from Colorado to Green Bay Austin-Straubel Airport?
Prices for flights from Colorado to Green Bay Austin-Straubel Airport are updated daily.
How many operators does momondo search for flights from Colorado to Green Bay Austin-Straubel Airport?
The number of operators available for flights from Colorado to Green Bay Austin-Straubel Airport is 3 as of September 2026.
How old do you have to be to fly from Colorado to Green Bay Austin-Straubel Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Green Bay Austin-Straubel Airport.
What documentation or ID do you need to fly to Green Bay Austin-Straubel Airport?
The travel and health documents you'll need for your trip to Green Bay Austin-Straubel Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Green Bay Austin-Straubel Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Colorado to Green Bay?
Based on momondo bookings for flights between Colorado and Green Bay, the leading plane model is Airbus A321-100/200, making up 22.22% of the total bookings. Other popular models include Airbus A321neo with 22.22%, Airbus A320-100/200 with 22.22%, and Airbus A320neo with 11.11%.

Best airlines flying from Colorado to Green Bay

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $251	Free Cancellation	Rating 7.0 12,089 reviews	Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.8 8,603 reviews	Search Delta flights
United Airlines	PriceFrom $260	Free Cancellation	Rating 7.4 10,238 reviews	Search United Airlines flights

Sturgeon Bay

Manitowoc

Marinette

Shawano

De Pere

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Colorado to Green Bay. momondo saves you time and could save you money on your trip.

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

Flights from Colorado to Green Bay 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 Colorado to Green Bay?

momondo helps you find the best flight between Colorado and Green Bay by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Green Bay from Colorado. 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.

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Appleton Intl Airport

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Rhinelander Oneida County Airport

Cheap flights from Colorado to Green Bay from $278

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Green Bay departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Colorado to Green Bay

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American Airlines flights from Colorado to Green Bay

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

What is the cheapest month to fly to Green Bay?

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

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

What airlines fly to Green Bay?

How long does it take to fly to Green Bay?

Cheap Colorado to Green Bay flight deals and tips

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Frequently asked questions about flying from Colorado to Green Bay

Best airlines flying from Colorado to Green Bay

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

Traveling to a place near Green Bay?

Why use momondo?

An easier way to manage your Green Bay 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 the United States

Airports servicing Wisconsin

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Green Bay. Availability may vary depending on flight origin and airline.

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