Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Green Bay to Denver 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 Denver departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Green Bay to Denver

Cheap round-trip flights

United Airlines Logo
1:20 pm - 8:04 pmGRB-DEN
7h 44m1 stop
United Airlines Logo
3:20 pm - 9:38 pmDEN-GRB
5h 18m1 stop
$225United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
American Airlines Logo
6:01 am - 11:55 amGRB-DEN
6h 54m1 stop
American Airlines Logo
7:22 am - 2:39 pmDEN-GRB
6h 17m1 stop
$229American Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 3
American Airlines Logo
7:17 am - 11:43 amGRB-DEN
5h 26m1 stop
American Airlines Logo
11:59 pm - 10:50 amDEN-GRB
9h 51m2 stops
$230American Airlines
Find Deal
Wed, Dec 17 - Tue, Jan 20
American Airlines Logo
11:06 am - 8:34 pmGRB-DEN
10h 28m2 stops
American Airlines Logo
11:59 pm - 10:50 amDEN-GRB
9h 51m2 stops
$235American Airlines
Find Deal
Wed, Dec 17 - Tue, Jan 20
American Airlines Logo
5:21 pm - 10:26 pmGRB-DEN
6h 05m1 stop
American Airlines Logo
11:59 pm - 10:50 amDEN-GRB
9h 51m2 stops
$249American Airlines
Find Deal
Thu, Dec 18 - Tue, Jan 20
Delta Logo
4:16 pm - 7:30 pmGRB-DEN
4h 14m1 stop
Delta Logo
1:57 pm - 9:33 pmDEN-GRB
6h 36m1 stop
$251Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
Delta Logo
4:16 pm - 7:30 pmGRB-DEN
4h 14m1 stop
Delta Logo
6:05 am - 11:22 amDEN-GRB
4h 17m1 stop
$254Delta
Find Deal
Fri, Oct 31 - Tue, Nov 4
Delta Logo
12:02 pm - 3:42 pmGRB-DEN
4h 40m1 stop
Delta Logo
6:05 am - 11:22 amDEN-GRB
4h 17m1 stop
$255Delta
Find Deal
Thu, Oct 30 - Wed, Nov 5
Delta Logo
4:16 pm - 7:30 pmGRB-DEN
4h 14m1 stop
Delta Logo
5:00 am - 10:22 amDEN-GRB
4h 22m1 stop
$258Delta
Find Deal
Fri, Oct 31 - Sun, Nov 2
United Airlines Logo
5:18 pm - 11:18 pmGRB-DEN
7h 00m1 stop
United Airlines Logo
8:17 am - 3:18 pmDEN-GRB
6h 01m1 stop
$299United Airlines
Find Deal
Thu, Feb 19 - Fri, Feb 27

United Airlines flights from Green Bay to Denver

Our best United Airlines deals on Green Bay to Denver flight tickets
United Airlines
Oct 31
GRB1:20 pmGreen Bay Austin-Straubel
7h 44m
1 stop
DEN8:04 pmDenver Intl
Nov 4
DEN3:20 pmDenver Intl
5h 18m
1 stop
GRB9:38 pmGreen Bay Austin-Straubel
$225
Find similar
United Airlines
Sep 24
GRB1:22 pmGreen Bay Austin-Straubel
7h 50m
1 stop
DEN8:12 pmDenver Intl
Oct 4
DEN11:15 amDenver Intl
7h 56m
1 stop
GRB8:11 pmGreen Bay Austin-Straubel
$294
Find similar
United Airlines
Feb 19
GRB5:18 pmGreen Bay Austin-Straubel
7h 00m
1 stop
DEN11:18 pmDenver Intl
Feb 27
DEN8:17 amDenver Intl
6h 01m
1 stop
GRB3:18 pmGreen Bay Austin-Straubel
$299
Find similar

Delta flights from Green Bay to Denver

Our best Delta deals on Green Bay to Denver flight tickets
Delta
Nov 8
GRB4:16 pmGreen Bay Austin-Straubel
4h 14m
1 stop
DEN7:30 pmDenver Intl
Nov 15
DEN1:57 pmDenver Intl
6h 36m
1 stop
GRB9:33 pmGreen Bay Austin-Straubel
$251
Find similar
Delta
Oct 31
GRB4:16 pmGreen Bay Austin-Straubel
4h 14m
1 stop
DEN7:30 pmDenver Intl
Nov 4
DEN6:05 amDenver Intl
4h 17m
1 stop
GRB11:22 amGreen Bay Austin-Straubel
$254
Find similar
Delta
Oct 30
GRB12:02 pmGreen Bay Austin-Straubel
4h 40m
1 stop
DEN3:42 pmDenver Intl
Nov 5
DEN6:05 amDenver Intl
4h 17m
1 stop
GRB11:22 amGreen Bay Austin-Straubel
$255
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Denver 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, momondo users made 832,500 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Green Bay to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 10/31

1:20 pm-8:04 pm

1 stop7h 44m

Denver Intl

Tue 11/4

3:20 pm-9:38 pm

1 stop5h 18m

$225

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 10/31

6:01 am-11:55 am

1 stop6h 54m

Denver Intl

Mon 11/3

7:22 am-2:39 pm

1 stop6h 17m

$229

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Wed 12/17

7:17 am-11:43 am

1 stop5h 26m

Denver Intl

Tue 1/20

11:59 pm-10:50 am

2 stops9h 51m

$230

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Wed 12/17

11:06 am-8:34 pm

2 stops10h 28m

Denver Intl

Tue 1/20

11:59 pm-10:50 am

2 stops9h 51m

$235

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Thu 12/18

5:21 pm-10:26 pm

1 stop6h 05m

Denver Intl

Tue 1/20

11:59 pm-10:50 am

2 stops9h 51m

$249

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

1:57 pm-9:33 pm

1 stop6h 36m

$251

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 10/31

4:16 pm-7:30 pm

1 stop4h 14m

Denver Intl

Tue 11/4

6:05 am-11:22 am

1 stop4h 17m

$254

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Thu 10/30

12:02 pm-3:42 pm

1 stop4h 40m

Denver Intl

Wed 11/5

6:05 am-11:22 am

1 stop4h 17m

$255

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 10/31

4:16 pm-7:30 pm

1 stop4h 14m

Denver Intl

Sun 11/2

5:00 am-10:22 am

1 stop4h 22m

$258

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Thu 2/19

5:18 pm-11:18 pm

1 stop7h 00m

Denver Intl

Fri 2/27

8:17 am-3:18 pm

1 stop6h 01m

$299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Denver from

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

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 Denver?

The cheapest month to fly to Denver from Green Bay is in July. Flight prices, which tend to average around $179, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in July, then you should wait until June to fly from Green Bay, when ticket prices are also cheap, with an average price of $210.

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

The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $149. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Wednesday, with ticket prices averaging around $210.

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

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

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Green Bay when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $329 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Green Bay for as low as $192 on momondo.

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

There is only 1 cabin class available to choose from on Green Bay Austin-Straubel to Denver Intl 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 Denver flights?

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

How have Green Bay to Denver flight prices changed over time?

As of September 2025, prices for Green Bay to Denver flights are approximately 185% more expensive when compared to flights at the same time last year.

When to book flights from Green Bay to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Denver (GRB to DEN) flight deals and tips

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

Best Price Found

$158

Direct flights

None
The best one-way flight to Denver from Green Bay in the past 72 hours is $158. The best round-trip flight deal from Green Bay to Denver found on momondo in the last 72 hours is $188.
There are no direct flights from Green Bay to Denver. Popular non-direct route for this connection is Green Bay Austin-Straubel Airport - Denver Intl Airport.
Search flight deals

  • How far is Green Bay Austin-Straubel to Denver Intl by plane?

    The straight-line distance from Green Bay Austin-Straubel to Denver Intl is 927.1 mi. 4h 14m is a normal flight duration for this route.

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

    Prices for flights from Green Bay Austin-Straubel Airport to Denver Intl Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Green Bay Austin-Straubel Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents you'll need for your trip to Denver Intl 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 Denver Intl 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 Green Bay to Denver?

  • What is the most popular airline from Green Bay to Denver?

Best airlines flying from Green Bay to Denver

Compare and see reviews for airlines that fly from Green Bay to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $94Free CancellationRating
5.8
3,177 reviews
Search Frontier flights
DeltaPriceFrom $218Free CancellationRating
7.9
7,960 reviews
Search Delta flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Boulder
Manitou Springs
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Grand Lake
Silverthorne
Golden

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Green Bay to Denver for you.

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

Yes. momondo enables you to select and highlight flights to Denver from Green Bay with this policy.

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

Once all potential Green Bay to Denver 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 Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver 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 Denver 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/11
Sat 10/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States