HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$109+ Cheap flights from Green Bay to Denver (GRB - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — DEN
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to Denver with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Green Bay Austin-Straubel to Denver Intl are usually found in May or July, booked 78 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from Green Bay to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Delta)

One-way from

$109
(Delta)

Popular in

January

Cheapest in

May

Average price

$396
Provider with most accurate pricing for Green Bay Austin-Straubel-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Denver Intl flights.
Search Deals
From Green Bay Austin-Straubel to Denver Intl
Search Deals
One-way flight from Green Bay Austin-Straubel to Denver Intl
Search Deals
High demand for flights, 22% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Green Bay to Denver

Cheapest flights from Green Bay to Denver
Explore the most affordable flight options available from Green Bay to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/412:14 pmGRB - DEN
1 stop5h 49mDelta
Wed 2/126:05 amDEN - GRB
1 stop4h 29mDelta
Deal found 1/20$217
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/45:17 pmGRB - DEN
1 stop5h 41mUnited Airlines
Sat 2/86:00 amDEN - GRB
2 stops11h 58mUnited Airlines
Deal found 1/20$264
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/106:40 pmGRB - DEN
1 stop4h 48mAmerican Airlines
Mon 4/1411:59 pmDEN - GRB
2 stops9h 51mAmerican Airlines
Deal found 1/20$279
This Cheapflightsfares deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:13 pmGRB - DEN
Nonstop2h 45mFrontier
Fri 5/303:50 pmDEN - GRB
Nonstop2h 23mFrontier
Deal found 1/19$312

Find flights from Green Bay to Denver within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 2/4

12:14 pm-5:03 pm

1 stop5h 49m

Denver Intl

Tue 2/11

4:15 pm-9:29 pm

1 stop4h 14m

$217

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 2/4

5:17 pm-9:58 pm

1 stop5h 41m

Denver Intl

Sat 2/8

6:00 am-6:58 pm

2 stops11h 58m

$264

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Thu 4/10

6:40 pm-10:28 pm

1 stop4h 48m

Denver Intl

Mon 4/14

11:59 pm-10:50 am

2 stops9h 51m

$279

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 5/23

8:13 pm-9:58 pm

Nonstop2h 45m

Denver Intl

Fri 5/30

3:50 pm-7:13 pm

Nonstop2h 23m

$312

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 2/18

12:14 pm-5:03 pm

1 stop5h 49m

$109

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 7/18

8:13 pm-9:58 pm

Nonstop2h 45m

$174

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 5/17

11:37 am-9:40 pm

2 stops11h 03m

$215

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 2/18

8:25 am-10:15 pm

2 stops14h 50m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Green Bay to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Denver in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Green Bay to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Green Bay with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Green Bay to Denver

Get recent, data-driven insights about flights from Green Bay to Denver including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Green Bay to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Green Bay to Denver. Price data was last updated on January 17, 2025.

To ensure you get the cheapest price possible for a flight from Green Bay to Denver, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Green Bay to Denver?

Currently, October is the cheapest month in which you can book a flight from Green Bay to Denver (average of $197). Flying from Green Bay to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GRB to DEN?

Find hourly flight availability from Green Bay to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

It’s optimal to fly from Green Bay to Denver in the evening. By choosing this option you can save up to 64% on the cost of your flight, compared to a flight in the morning.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated January 20, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Green Bay to Denver by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier
6.1
Okay
3,441 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Green Bay to Denver flight route?

    Flights from Green Bay Austin-Straubel to Denver Intl have been viewed 2 times in the past calendar month.

  • What are the cheapest airlines flying from Green Bay to Denver round-trip?

    Flying on Delta is currently your cheapest option to Denver, with prices starting at $217. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $264 and $279, respectively. Delta is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Green Bay to Denver one-way?

    $109 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $174 and $210, respectively.

  • Can I find deals for flights from Green Bay to Denver that include hotel bookings?

    Yes. In addition to deals on Green Bay to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Denver.

  • Can I find deals for business class flights from Green Bay to Denver?

    Yes. Cheapflights offers flight deals from Green Bay to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Green Bay to Denver?

    Currently, October is the cheapest month in which you can book a flight from Green Bay to Denver (average of $197). Flying from Green Bay to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Green Bay?

Book flights to Green Bay if you plan to visit one of these locations
Keystone
Westminster
Black Hawk
Winter Park
Dillon
Lakewood
Broomfield
Silverthorne
Golden
Brighton
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Greeley
Central City
Copper Mountain
Longmont
Thornton
Limon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Green Bay to Denver

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Denver flights
Minneapolis to Denver flights
Madison to Denver flights
Milwaukee to Denver flights
O'Hare Intl to Aspen flights
Appleton to Denver flights
O'Hare Intl to Vail flights
O'Hare Intl to Montrose flights
O'Hare Intl to Colorado Springs flights
O'Hare Intl to Hayden flights
Minneapolis to Colorado Springs flights
Minneapolis to Aspen flights
O'Hare Intl to Gunnison flights
Milwaukee to Grand Junction flights
Minneapolis to Gunnison flights
Minneapolis to Hayden flights
O'Hare Intl to Grand Junction flights
Minneapolis to Vail flights
Wausau to Denver flights
Madison to Colorado Springs flights
O'Hare Intl to Durango flights
Minneapolis to Durango flights
Milwaukee to Gunnison flights
Minneapolis to Grand Junction flights
Milwaukee to Montrose flights
Duluth to Denver flights
Dubuque to Denver flights
Madison to Grand Junction flights
Milwaukee to Vail flights
Minneapolis to Montrose flights
Milwaukee to Hayden flights
Milwaukee to Durango flights
Milwaukee to Aspen flights
Milwaukee to Colorado Springs flights
Appleton to Colorado Springs flights
Madison to Montrose flights
Rhinelander to Denver flights
O'Hare Intl to Cortez flights
Green Bay to Aspen flights
Green Bay to Colorado Springs flights
Escanaba to Denver flights
Appleton to Grand Junction flights
Appleton to Durango flights
Madison to Aspen flights
Madison to Durango flights
Eau Claire to Denver flights
La Crosse to Colorado Springs flights
La Crosse to Denver flights

Top 4 airlines flying from Green Bay to Denver

Discover the top 4 airlines that operate flights from Green Bay to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$154FlexibilityNo cancel feeOn-time62%
DeltaCheapest$218Average$365FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$237Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$273Average$394FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.