$79+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
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.Cheapflights Tip: The best prices from Green Bay Austin-Straubel to Denver Intl are usually found in July or June, booked 87 days in advance, depart on a Tuesday or Friday and return on a Tuesday
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 June 12, 2025.
Round-trip from | $156 (Cheapflightsfares) |
|---|---|
One-way from | $79 (Frontier) |
Popular in | March |
Cheapest in | July |
Average price | $220 |
Good round-trip deal | $185 or less |
Good one-way deal | $97 or less |
Find flight deals from Green Bay to Denver
Cheapest flights from Green Bay to DenverExplore 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 June 12, 2025.
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 June 12, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 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 6/27
7:53 pm-9:34 pm
Nonstop2h 41m
Denver Intl
Mon 6/30
3:31 pm-6:54 pm
Nonstop2h 23m
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Sat 9/6
4:20 pm-7:55 pm
1 stop4h 35m
Denver Intl
Sat 9/13
6:10 am-11:14 am
1 stop4h 04m
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Wed 9/3
11:11 am-4:41 pm
1 stop6h 30m
Denver Intl
Sun 9/7
9:46 am-5:56 pm
1 stop7h 10m
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Fri 7/11
5:23 pm-11:22 pm
1 stop6h 59m
Denver Intl
Sat 7/12
6:50 pm-10:11 am
2 stops14h 21m
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Fri 6/27
7:53 pm-9:34 pm
Nonstop2h 41m
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Fri 7/4
11:13 am-5:18 pm
1 stop7h 05m
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Fri 6/20
9:53 am-4:37 pm
1 stop7h 44m
Green BayDenver
GRB - DEN
GRBDEN
Green Bay Austin-Straubel
Thu 8/7
5:23 pm-11:22 pm
1 stop6h 59m
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.
Cheapflights Insights
Everything you need to know about your flight from Green Bay to Denver
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 June 9, 2025.
To ensure you get the cheapest price possible for a flight from Green Bay to Denver, you should look to book at least 87 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 June 12, 2025.
It’s optimal to fly from Green Bay to Denver at noon. By choosing this option you can save up to 33% 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 June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American 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.
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
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.
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Alternative routes for Green Bay to Denver
See prices for flight routes from nearby airports that may be better suited for you.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$195 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$349 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$393 | FlexibilityNo cancel fee | On-time69% |