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$126+ Cheap flights from Denver to Green Bay (DEN - GRB)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRB
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Green Bay Austin-Straubel are usually found in May or July, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Denver to Green Bay

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Green Bay (GRB). 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 August 20, 2025.

Round-trip from

$234
(American Airlines)

One-way from

$126
(Delta)

Popular in

March

Cheapest in

May

Average price

$348

Good round-trip deal

$160 or less

Good one-way deal

$139 or less
From Denver Intl to Green Bay Austin-Straubel
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One-way flight from Denver Intl to Green Bay Austin-Straubel
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Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Denver Intl to Green Bay Austin-Straubel.
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Price to beat on a one-way flight from Denver Intl to Green Bay Austin-Straubel.
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Find flight deals from Denver to Green Bay

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

This American Airlines deal was found by Cheapflights users on 8/18. 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.
Tue 8/267:22 amDEN - GRB
1 stop6h 13mAmerican Airlines
Sat 8/303:02 pmGRB - DEN
1 stop6h 20mAmerican Airlines
Deal found 8/18$234
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 10/16:05 amDEN - GRB
1 stop4h 18mDelta
Sat 10/412:04 pmGRB - DEN
1 stop4h 40mDelta
Deal found 8/18$251
This Delta deal was found by Cheapflights users on 8/18. 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 9/2310:50 amDEN - GRB
1 stop3h 43mDelta
Mon 9/295:01 pmGRB - DEN
1 stop5h 24mDelta
Deal found 8/18$255
This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 8/304:00 pmDEN - GRB
1 stop4h 53mDelta
Sun 8/3111:07 amGRB - DEN
1 stop7h 13mDelta
Deal found 8/18$257
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:15 amDEN - GRB
1 stop4h 11mDelta
Thu 9/44:20 pmGRB - DEN
1 stop4h 35mDelta
Deal found 8/19$269
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:33 pmDEN - GRB
1 stop5h 49mAmerican Airlines
Sun 11/163:12 pmGRB - DEN
1 stop8h 10mAmerican Airlines
Deal found 8/19$270
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:28 pmDEN - GRB
1 stop5h 02mAmerican Airlines
Sun 10/269:44 amGRB - DEN
1 stop4h 39mAmerican Airlines
Deal found 8/19$274
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:23 amDEN - GRB
2 stops11h 59mAmerican Airlines
Sun 11/96:00 amGRB - DEN
1 stop4h 53mAmerican Airlines
Deal found 8/19$275
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 8/2312:04 pmDEN - GRB
1 stop5h 07mAmerican Airlines
Sat 8/303:02 pmGRB - DEN
1 stop6h 20mAmerican Airlines
Deal found 8/20$299
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 8/295:32 pmDEN - GRB
1 stop4h 58mAmerican Airlines
Sat 8/303:02 pmGRB - DEN
1 stop6h 20mAmerican Airlines
Deal found 8/18$304

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Green Bay 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 August 20, 2025.
Use the filters below to find and compare flights from Denver to Green Bay that are best for you.

Fly from

Denver

Fly to

Green Bay

Route

Depart

Return

Price

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Tue 8/26

7:22 am-2:35 pm

1 stop6h 13m

Green Bay Austin-Straubel

Sat 8/30

3:02 pm-8:22 pm

1 stop6h 20m

$234

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 10/1

6:05 am-11:23 am

1 stop4h 18m

Green Bay Austin-Straubel

Sat 10/4

12:04 pm-3:44 pm

1 stop4h 40m

$251

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Wed 11/5

6:05 am-11:22 am

1 stop4h 17m

Green Bay Austin-Straubel

Sun 11/9

6:45 am-10:10 am

1 stop4h 25m

$255

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Tue 9/23

10:50 am-3:33 pm

1 stop3h 43m

Green Bay Austin-Straubel

Mon 9/29

5:01 pm-9:25 pm

1 stop5h 24m

$255

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Sat 8/30

4:00 pm-9:53 pm

1 stop4h 53m

Green Bay Austin-Straubel

Sun 8/31

11:07 am-5:20 pm

1 stop7h 13m

$257

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Mon 9/1

6:15 am-11:26 am

1 stop4h 11m

Green Bay Austin-Straubel

Thu 9/4

4:20 pm-7:55 pm

1 stop4h 35m

$269

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Sat 11/15

3:45 pm-9:53 pm

1 stop5h 08m

$126

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Tue 10/14

5:28 pm-11:30 pm

1 stop5h 02m

$126

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Tue 10/14

6:05 am-11:22 am

1 stop4h 17m

$126

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

Sat 10/18

5:31 pm-11:30 pm

1 stop4h 59m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 14 results
1
2

Best time to book a flight from Denver to Green Bay

Have a flexible travel schedule? Discover the best time to fly to Green Bay from Denver 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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Green Bay

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Green Bay. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Denver to Green Bay, you should look to book at least 29 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 Denver to Green Bay?

Currently, January is the cheapest month in which you can book a flight from Denver to Green Bay (average of $331). Flying from Denver to Green Bay in July is currently the most expensive (average of $462). 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 DEN to GRB?

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

One of the essential ways to save on airfare from Denver to Green Bay is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 45% on airfare.

Reviews of airlines servicing Green Bay

Get insights into the airlines that provide service to Green Bay. 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 Green Bay. Reviews last updated August 20, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Denver to Green Bay to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,207 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • How long is the flight from Denver to Green Bay?

    American Airlines can get you from Denver to Green Bay in just under 6h 13m. Your travel time can differ by up to . There are 903 mi between Denver and Green Bay.

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

    Frontier, at $87, was found to be the cheapest airline from Denver to Green Bay.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that Frontier is 74% cheaper than the other options available to this destination.

  • What are the cheapest flights from Denver to Green Bay?

    While on average a flight from Denver to Green Bay is generally $173, our data shows the cheapest flight currently is $79. When looking at the most popular route, (Denver Intl - Green Bay Austin-Straubel), you can expect to pay $251 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver to Green Bay 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 Denver to Green Bay?

    Currently, January is the cheapest month in which you can book a flight from Denver to Green Bay (average of $331). Flying from Denver to Green Bay in July is currently the most expensive (average of $462). 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
Marinette
Manitowoc

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Alternative routes for Denver to Green Bay

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Top 4 airlines flying from Denver to Green Bay

Discover the top 4 airlines that operate flights from Denver to Green Bay. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$87Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$218Average$362FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$323Average$424FlexibilityNo cancel feeOn-time69%

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