$100 Cheap Flights from Green Bay (GRB) to Denver (DEN)

View $100 flight on Sat, Sep 6, 2025Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN)

Cheap Flights from Green Bay to Denver (GRB-DEN)

Prices were available within the past 7 days and start at $100 for one-way flights and $234 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 5 - Mon, Sep 8
GRB
Green Bay
DEN
Denver
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 5 from Green Bay to Denver, returning Mon, Sep 8, priced at $234 found 1 day ago
American Airlines
Fri, Sep 5 - Fri, Sep 12
GRB
Green Bay
DEN
Denver
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 5 from Green Bay to Denver, returning Fri, Sep 12, priced at $237 found 1 day ago
United
Sat, Sep 6 - Sat, Sep 13
GRB
Green Bay
DEN
Denver
$244 Roundtrip, found 21 hours ago
$244
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Sep 6 from Green Bay to Denver, returning Sat, Sep 13, priced at $244 found 21 hours ago
United
Sat, Sep 6 - Sat, Sep 13
GRB
Green Bay
DEN
Denver
$246 Roundtrip, found 21 hours ago
$246
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Sep 6 from Green Bay to Denver, returning Sat, Sep 13, priced at $246 found 21 hours ago
Delta
Tue, Sep 30 - Wed, Oct 15
GRB
Green Bay
DEN
Denver
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 30 from Green Bay to Denver, returning Wed, Oct 15, priced at $251 found 1 day ago
United
Tue, Feb 3 - Tue, Feb 10
GRB
Green Bay
DEN
Denver
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 3 from Green Bay to Denver, returning Tue, Feb 10, priced at $253 found 1 day ago
Delta
Sat, Sep 6 - Tue, Sep 16
GRB
Green Bay
DEN
Denver
$254 Roundtrip, found 3 days ago
$254
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 6 from Green Bay to Denver, returning Tue, Sep 16, priced at $254 found 3 days ago
American Airlines
Wed, Sep 24 - Sat, Sep 27
GRB
Green Bay
DEN
Denver
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 24 from Green Bay to Denver, returning Sat, Sep 27, priced at $255 found 1 day ago
United
Sat, Dec 13 - Tue, Dec 16
GRB
Green Bay
DEN
Denver
$259 Roundtrip, just found
$259
Roundtrip
just found
Select United flight, departing Sat, Dec 13 from Green Bay to Denver, returning Tue, Dec 16, priced at $259 just found
American Airlines
Tue, Dec 16 - Wed, Dec 24
GRB
Green Bay
DEN
Denver
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 16 from Green Bay to Denver, returning Wed, Dec 24, priced at $260 found 1 day ago

Find the cheapest month to fly from Green Bay (GRB) to Denver (DEN)

July is typically the cheapest month to fly

From $159 - $503 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $513
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $513
Flights from Green Bay (GRB) to Denver (DEN)
Origin airport
Austin Straubel Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$233
Distance
903 mi

Green Bay to Denver Flights

The cheapest times to fly from Green Bay to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Green Bay to Denver are during the month of September. You can find some of the cheapest flights from Green Bay to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Green Bay to Denver

Sunday is one of the best days to book for cheap flights from Green Bay to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Green Bay to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Green Bay to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Green Bay to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Green Bay to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN) cost?
Lock in a cheap one-way flight from $100 or cheap return flight from $234 from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN)?
Traveling in September can help you save, as it's the cheapest month for flights between GRB and DEN. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN)?
You can't fly direct from Green Bay, WI (GRB-Austin Straubel Intl.) to Denver Intl. Airport (DEN). However, you can easily journey to Denver without any layovers by leaving from Appleton Intl. Airport (ATW).
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest GRB to DEN flight.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN)?
There aren't any daily nonstop flights departing from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from GRB to DEN?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN)?
To touch down at Denver Intl. Airport (DEN) on time, select a flight that takes off from Austin Straubel Intl. Airport (GRB) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN) last-minute?
Booking your flight from GRB to DEN shortly before your trip is generally more expensive. However, if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a GRB to DEN flight and hotel package?
Compared with arranging flights and hotels separately, booking a GRB to DEN flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Denver Intl. Airport (DEN)?
It's generally possible to reschedule or cancel your GRB to DEN flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.