$84 Cheap Flights from Denver (DEN) to Green Bay (GRB)

View $84 flight on Mon, Aug 18, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $84 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Aug 8 - Fri, Aug 15
DEN
Denver
GRB
Green Bay
$170 Roundtrip, found 2 hours ago
$170
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Denver to Green Bay, returning Fri, Aug 15, priced at $170 found 2 hours ago
Frontier Airlines
Mon, Jul 21 - Fri, Jul 25
DEN
Denver
GRB
Green Bay
$170 Roundtrip, found 1 hour ago
$170
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Denver to Green Bay, returning Fri, Jul 25, priced at $170 found 1 hour ago
Frontier Airlines
Mon, Aug 11 - Fri, Aug 15
DEN
Denver
GRB
Green Bay
$187 Roundtrip, found 8 hours ago
$187
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Mon, Aug 11 from Denver to Green Bay, returning Fri, Aug 15, priced at $187 found 8 hours ago
Frontier Airlines
Fri, Aug 15 - Mon, Aug 18
DEN
Denver
GRB
Green Bay
$187 Roundtrip, found 3 hours ago
$187
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Denver to Green Bay, returning Mon, Aug 18, priced at $187 found 3 hours ago
Frontier Airlines
Fri, Aug 15 - Mon, Aug 18
DEN
Denver
GRB
Green Bay
$188 Roundtrip, found 1 hour ago
$188
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Denver to Green Bay, returning Mon, Aug 18, priced at $188 found 1 hour ago
Frontier Airlines
Fri, Jul 18 - Mon, Jul 21
DEN
Denver
GRB
Green Bay
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Jul 18 from Denver to Green Bay, returning Mon, Jul 21, priced at $189 found 1 hour ago
Frontier Airlines
Mon, Jul 21 - Mon, Jul 28
DEN
Denver
GRB
Green Bay
$192 Roundtrip, found 7 hours ago
$192
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Denver to Green Bay, returning Mon, Jul 28, priced at $192 found 7 hours ago
American Airlines
Sun, Jul 27 - Fri, Aug 1
DEN
Denver
GRB
Green Bay
$225 Roundtrip, found 3 days ago
$225
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Jul 27 from Denver to Green Bay, returning Fri, Aug 1, priced at $225 found 3 days ago
Delta
Sat, Jul 19 - Mon, Jul 28
DEN
Denver
GRB
Green Bay
$230 Roundtrip, found 7 hours ago
$230
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Jul 19 from Denver to Green Bay, returning Mon, Jul 28, priced at $230 found 7 hours ago
United
Sat, Aug 30 - Sat, Sep 6
DEN
Denver
GRB
Green Bay
$295 Roundtrip, found 7 hours ago
$295
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Aug 30 from Denver to Green Bay, returning Sat, Sep 6, priced at $295 found 7 hours ago

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

July is typically the cheapest month to fly

From $154 - $598 per traveler.

Graph displaying average flight prices per month

Flights from Denver (DEN) to Green Bay (GRB)
Origin airport
Denver Intl.
Destination airport
Austin Straubel Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$164
Distance
903 mi
Average flight time
2 hours 24 mins

Denver to Green Bay Flights

The cheapest times to fly from Denver to Green Bay

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 Denver to Green Bay are during the month of August. You can find some of the cheapest flights from Denver to Green Bay with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Denver to Green Bay: 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 Denver to Green Bay

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 Denver to Green Bay in 2025. You can also book with separate airlines for your outbound and return journeys, from $84 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 Denver to Green Bay 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 Denver to Green Bay 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 Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB) cost?
Cheap return fares from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB) start at $168. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving DEN on July 14 2025 and touching down at GRB. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from DEN to GRB?
The cheapest flights from DEN to GRB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DEN to GRB?
Currently, the cheapest carrier offering one-way flights from DEN to GRB is Frontier Airlines. You can book a seat on this route from $84. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on August 18 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB)?
You'll have to book a flight with a layover if you're traveling from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from DEN to GRB?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from DEN to GRB?
Frontier Airlines has the strongest track record for on-time direct flights from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB), with an on-time rating of 93%. Use the Expedia App to view your flight schedule before you go and get real-time alerts about any trip changes.
What is the best time to fly from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB)?
Choose a flight from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Green Bay from Denver Intl. Airport (DEN)?
Appleton Intl. Airport (ATW) is the only airport in Green Bay with direct flights from Denver Intl. Airport (DEN). Check out the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB) last-minute?
Booking your plane ticket from DEN to GRB shortly before your trip is generally more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a DEN to GRB flight and hotel package?
You'll typically save money by booking a DEN to GRB flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Austin Straubel Intl. Airport (GRB)?
Typically, it's possible to cancel or reschedule your DEN to GRB 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 whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.