Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Green Bay to Denver from $78

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 8/15. 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

Frontier Logo
7:52 pm - 9:39 pmGRB-DEN
2h 47mnonstop
Frontier Logo
3:31 pm - 6:55 pmDEN-GRB
2h 24mnonstop
$142Frontier
Find Deal
Fri, Aug 15 - Mon, Aug 18
Frontier Logo
7:52 pm - 9:39 pmGRB-DEN
2h 47mnonstop
Frontier Logo
3:31 pm - 6:55 pmDEN-GRB
2h 24mnonstop
$152Frontier
Find Deal
Fri, Aug 8 - Fri, Aug 15
Frontier Logo
7:53 pm - 9:40 pmGRB-DEN
2h 47mnonstop
Frontier Logo
3:31 pm - 6:55 pmDEN-GRB
2h 24mnonstop
$165Frontier
Find Deal
Mon, Aug 11 - Fri, Aug 15
American Airlines Logo
3:02 pm - 8:22 pmGRB-DEN
6h 20m1 stop
American Airlines Logo
9:47 am - 5:56 pmDEN-GRB
7h 09m1 stop
$234American Airlines
Find Deal
Sat, Aug 30 - Wed, Sep 3
American Airlines Logo
9:42 am - 5:47 pmGRB-DEN
9h 05m2 stops
American Airlines Logo
9:47 am - 5:56 pmDEN-GRB
7h 09m1 stop
$239American Airlines
Find Deal
Sat, Aug 30 - Wed, Sep 3
Delta Logo
6:30 am - 10:00 amGRB-DEN
4h 30m1 stop
Delta Logo
2:20 pm - 9:33 pmDEN-GRB
6h 13m1 stop
$251Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
Delta Logo
7:00 am - 2:11 pmGRB-DEN
8h 11m1 stop
Delta Logo
6:10 am - 11:19 amDEN-GRB
4h 09m1 stop
$255Delta
Find Deal
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
3:31 pm - 10:22 pmGRB-DEN
7h 51m1 stop
American Airlines Logo
8:13 am - 7:37 pmDEN-GRB
10h 24m2 stops
$256American Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
United Airlines Logo
5:22 pm - 11:15 pmGRB-DEN
6h 53m1 stop
United Airlines Logo
4:06 pm - 9:38 pmDEN-GRB
4h 32m1 stop
$329United Airlines
Find Deal
Thu, Nov 20 - Fri, Nov 28
United Airlines Logo
3:51 pm - 8:04 pmGRB-DEN
5h 13m1 stop
United Airlines Logo
3:20 pm - 9:38 pmDEN-GRB
5h 18m1 stop
$365United Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10

American Airlines flights from Green Bay to Denver

Our best American Airlines deals on Green Bay to Denver flight tickets
American Airlines
Aug 30
GRB3:02 pmGreen Bay Austin-Straubel
6h 20m
1 stop
DEN8:22 pmDenver Intl
Sep 3
DEN9:47 amDenver Intl
7h 09m
1 stop
GRB5:56 pmGreen Bay Austin-Straubel
$234
Find similar
American Airlines
Aug 30
GRB9:42 amGreen Bay Austin-Straubel
9h 05m
2 stops
DEN5:47 pmDenver Intl
Sep 3
DEN9:47 amDenver Intl
7h 09m
1 stop
GRB5:56 pmGreen Bay Austin-Straubel
$239
Find similar
American Airlines
Nov 8
GRB3:31 pmGreen Bay Austin-Straubel
7h 51m
1 stop
DEN10:22 pmDenver Intl
Nov 15
DEN8:13 amDenver Intl
10h 24m
2 stops
GRB7:37 pmGreen Bay Austin-Straubel
$256
Find similar

Frontier flights from Green Bay to Denver

Our best Frontier deals on Green Bay to Denver flight tickets
Frontier
Aug 15
GRB7:52 pmGreen Bay Austin-Straubel
2h 47m
DEN9:39 pmDenver Intl
Aug 18
DEN3:31 pmDenver Intl
2h 24m
GRB6:55 pmGreen Bay Austin-Straubel
$142
Find similar
Frontier
Aug 8
GRB7:52 pmGreen Bay Austin-Straubel
2h 47m
DEN9:39 pmDenver Intl
Aug 15
DEN3:31 pmDenver Intl
2h 24m
GRB6:55 pmGreen Bay Austin-Straubel
$152
Find similar
Frontier
Aug 1
GRB7:52 pmGreen Bay Austin-Straubel
2h 47m
DEN9:39 pmDenver Intl
Aug 8
DEN3:31 pmDenver Intl
2h 24m
GRB6:55 pmGreen Bay Austin-Straubel
$153
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 July 29, 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 8/15

7:52 pm-9:39 pm

Nonstop2h 47m

Denver Intl

Mon 8/18

3:31 pm-6:55 pm

Nonstop2h 24m

$142

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 8/8

7:52 pm-9:39 pm

Nonstop2h 47m

Denver Intl

Fri 8/15

3:31 pm-6:55 pm

Nonstop2h 24m

$152

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Mon 8/11

7:53 pm-9:40 pm

Nonstop2h 47m

Denver Intl

Fri 8/15

3:31 pm-6:55 pm

Nonstop2h 24m

$165

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 8/30

3:02 pm-8:22 pm

1 stop6h 20m

Denver Intl

Wed 9/3

9:47 am-5:56 pm

1 stop7h 09m

$234

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 8/30

9:42 am-5:47 pm

2 stops9h 05m

Denver Intl

Wed 9/3

9:47 am-5:56 pm

1 stop7h 09m

$239

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 11/8

6:30 am-10:00 am

1 stop4h 30m

Denver Intl

Sat 11/15

2:20 pm-9:33 pm

1 stop6h 13m

$251

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 1/13

7:00 am-2:11 pm

1 stop8h 11m

Denver Intl

Tue 1/20

6:10 am-11:19 am

1 stop4h 09m

$255

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 11/8

3:31 pm-10:22 pm

1 stop7h 51m

Denver Intl

Sat 11/15

8:13 am-7:37 pm

2 stops10h 24m

$256

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Thu 11/20

5:22 pm-11:15 pm

1 stop6h 53m

Denver Intl

Fri 11/28

4:06 pm-9:38 pm

1 stop4h 32m

$329

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 11/8

3:51 pm-8:04 pm

1 stop5h 13m

Denver Intl

Mon 11/10

3:20 pm-9:38 pm

1 stop5h 18m

$365

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 June. Flight prices, which tend to average around $214, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in June, then you should wait until July to fly from Green Bay, when ticket prices are also cheap, with an average price of $218.

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 Tuesday when prices can be found for as low as $100. 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 time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $198. Flights in the afternoon are often more expensive with an average ticket price of $248.

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 $190 on momondo.

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

There are 1 cabin classes 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.

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

As of July 2025, prices for Green Bay to Denver flights are approximately 15% cheaper 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

$78

Fastest flight time

2h 47m

Direct flights

Tue and Sat

Airports in Denver

1 airport
The best one-way flight to Denver from Green Bay in the past 72 hours is $78. The best round-trip flight deal from Green Bay to Denver found on momondo in the last 72 hours is $142.
The fastest flight from Green Bay to Denver takes 2h 47m
Direct flights go from Green Bay to Denver on Tuesday and Saturday. The only airline offering direct flights is Frontier.
There is 1 airport near Denver: Denver Intl (DEN)
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. 2h 47m 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 $100Free CancellationRating
5.9
3,238 reviews
Search Frontier flights
DeltaPriceFrom $217Free CancellationRating
8.0
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights

  • Frontier Flights From Green Bay to Denver

    Across 1 Frontier flight from Green Bay to Denver this week, the average price was $198, with the best Frontier deals starting from $100 round-trip. 3,238 users have rated Frontier on momondo, with an average score of 5.9/10.

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
Longmont
Boulder
Lakewood
Manitou Springs
Greeley
Westminster
Thornton
Winter Park
Copper Mountain
Grand Lake
Silverthorne
Golden
Frisco

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
Sun 8/3
Sun 8/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States