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

Frontier, at $98, was found to be the cheapest airline from Denver to Green Bay.Alternate airlines to your destination round-trip include American Airlines and Delta. Users have found that Frontier is 71% cheaper than the other options available to this destination.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $99. Users have also found prices from $130 and $169 on American Airlines and Delta, respectively.

What is the cheapest day to fly from Denver to Green Bay?

Travelers seeking maximum savings on their Denver to Green Bay flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Green Bay ranges from 1.1 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Green Bay when rainfall is around 1.1 in.

If weather is an important factor for your trip to Green Bay, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

What are the cheapest flights from Denver to Green Bay?

While on average a flight from Denver to Green Bay is generally $178, 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 $259 for that flight.

What are the most popular airlines that fly from Denver to Green Bay?

Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from Denver to Green Bay.

What is the cheapest day to fly round-trip from Denver to Green Bay?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 33% on your flight compared to booking on days when demand is much higher.

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

To save up to 157% on this flight, we recommend booking at least 38 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Denver to Green Bay from $199 1-2 weeks out and tickets from $322 for flights departing within the next 72 hours.

What is the cheapest month to fly from Denver to Green Bay?

Flights from Denver to Green Bay lean towards being more expensive in March. Prices are generally better when you fly from Denver to Green Bay in May, with the cheapest ticket starting at $87.

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.

$80+ Flights from Denver to Green Bay

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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.

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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 65 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Denver to Green Bay

Round-trip from	$98 (Frontier)
Popular in	March
Cheapest in	May
Average price	$248
Good round-trip deal	$188 or less
Good one-way deal	$129 or less

From Denver Intl to Green Bay Austin-Straubel

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($39 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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.

Search Deals

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 julio 3, 2025.

lun. 7/73:31 pmDEN - GRB

Nonstop2h 24mFrontier

lun. 7/147:53 pmGRB - DEN

Nonstop2h 47mFrontier

Deal found 7/3

$130

sáb. 9/1312:25 pmDEN - GRB

1 stop4h 31mAmerican Airlines

mar. 9/164:35 pmGRB - DEN

1 stop6h 41mAmerican Airlines

Deal found 6/30

$251

vie. 7/44:10 pmDEN - GRB

1 stop4h 54mDelta

vie. 7/115:03 pmGRB - DEN

1 stop7h 03mDelta

Deal found 7/1

$259

vie. 8/87:50 amDEN - GRB

1 stop6h 21mUnited Airlines

lun. 8/113:49 pmGRB - DEN

1 stop5h 47mUnited Airlines

Deal found 7/1

$385

Best flights from Denver to Green Bay
Discover carefully curated flight deals from Denver to Green Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

lun. 7/143:31 pmDEN - GRB

Nonstop2h 24mFrontier

vie. 7/187:52 pmGRB - DEN

Nonstop2h 47mFrontier

Deal found 7/3

$98

sáb. 9/1312:25 pmDEN - GRB

1 stop4h 31mAmerican Airlines

mar. 9/164:35 pmGRB - DEN

1 stop6h 41mAmerican Airlines

Deal found 6/30

$251

sáb. 8/236:15 amDEN - GRB

1 stop4h 11mDelta

sáb. 8/307:02 amGRB - DEN

1 stop8h 01mDelta

Deal found 7/2

$259

vie. 8/87:50 amDEN - GRB

1 stop6h 21mUnited Airlines

lun. 8/113:49 pmGRB - DEN

1 stop5h 47mUnited Airlines

Deal found 7/1

$385

Last-minute flights from Denver to Green Bay
Discover last-minute flight deals from Denver to Green Bay. Data last updated julio 3, 2025 and is based on user searches.

vie. 7/44:10 pmDEN - GRB

1 stop4h 54mDelta

vie. 7/115:03 pmGRB - DEN

1 stop7h 03mDelta

Deal found 7/1

$259

lun. 7/73:31 pmDEN - GRB

Nonstop2h 24mFrontier

lun. 7/147:53 pmGRB - DEN

Nonstop2h 47mFrontier

Deal found 7/3

$130

mar. 7/81:49 pmDEN - GRB

2 stops8h 40mAmerican Airlines

sáb. 7/126:15 amGRB - DEN

2 stops12h 29mAmerican Airlines

Deal found 7/3

$334

mié. 7/96:35 amDEN - GRB

1 stop3h 55mDelta

mar. 7/155:03 pmGRB - DEN

1 stop7h 03mDelta

Deal found 7/3

$384

vie. 7/113:31 pmDEN - GRB

Nonstop2h 24mFrontier

lun. 7/217:53 pmGRB - DEN

Nonstop2h 47mFrontier

Deal found 7/3

$224

sáb. 7/126:00 amDEN - GRB

1 stop5h 23mUnited Airlines

mar. 7/156:15 amGRB - DEN

1 stop5h 20mUnited Airlines

Deal found 7/3

$449

vie. 8/87:50 amDEN - GRB

1 stop6h 21mUnited Airlines

lun. 8/113:49 pmGRB - DEN

1 stop5h 47mUnited Airlines

Deal found 7/1

$385

mar. 8/1911:59 pmDEN - GRB

2 stops13h 30mAmerican Airlines

mar. 8/266:02 amGRB - DEN

1 stop6h 22mAmerican Airlines

Deal found 7/3

$256

One-way flights from Denver to Green Bay
Search for one-way flight options from Denver to Green Bay. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

lun. 7/143:31 pmDEN - GRB

Nonstop2h 24mFrontier

Deal found 7/1

$99

dom. 9/147:16 amDEN - GRB

1 stop6h 15mAmerican Airlines

Deal found 7/3

$130

jue. 8/211:51 pmDEN - GRB

1 stop7h 02mDelta

Deal found 7/1

$169

jue. 7/318:47 pmDEN - GRB

2 stops14h 36mUnited Airlines

Deal found 6/30

$397

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Green Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

lun. 7/14

3:31 pm-6:55 pm

Nonstop2h 24m

Green Bay Austin-Straubel

vie. 7/18

7:52 pm-9:39 pm

Nonstop2h 47m

$130

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

sáb. 9/13

12:25 pm-5:56 pm

1 stop4h 31m

Green Bay Austin-Straubel

mar. 9/16

4:35 pm-10:16 pm

1 stop6h 41m

$251

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

sáb. 8/23

6:15 am-11:26 am

1 stop4h 11m

Green Bay Austin-Straubel

sáb. 8/30

7:02 am-2:03 pm

1 stop8h 01m

$259

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

vie. 8/8

7:50 am-3:11 pm

1 stop6h 21m

Green Bay Austin-Straubel

lun. 8/11

3:49 pm-8:36 pm

1 stop5h 47m

$385

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

lun. 7/14

3:31 pm-6:55 pm

Nonstop2h 24m

$80

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

dom. 9/14

7:16 am-2:31 pm

1 stop6h 15m

$130

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

jue. 8/21

1:51 pm-9:53 pm

1 stop7h 02m

$169

DenverGreen Bay

DEN - GRB

DENGRB

Denver Intl

jue. 7/31

8:47 pm-12:23 pm

2 stops14h 36m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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?

To ensure you get the cheapest price possible for a flight from Denver to Green Bay, you should look to book at least 65 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 $468). 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?

One of the essential ways to save on airfare from Denver to Green Bay is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 59% on airfare.

Reviews of airlines servicing Green Bay

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

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

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

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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

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

5.9

Fair

3,286 reviews

Delta

8.0

Very good

7,982 reviews

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

What are the cheapest airlines flying from Denver to Green Bay round-trip?
Frontier, at $98, was found to be the cheapest airline from Denver to Green Bay.Alternate airlines to your destination round-trip include American Airlines and Delta. Users have found that Frontier is 71% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Denver to Green Bay one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $99. Users have also found prices from $130 and $169 on American Airlines and Delta, respectively.
What are the cheapest flights from Denver to Green Bay?
While on average a flight from Denver to Green Bay is generally $178, 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 $259 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 $468). 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

Marinette

Manitowoc

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Denver to Green Bay

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$87	Average$198	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$218	Average$364	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$258	Average$376	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$310	Average$424	FlexibilityNo cancel fee	On-time69%

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$80+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Green Bay with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Denver Intl to Green Bay Austin-Straubel are usually found in May or July, booked 65 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Denver to Green Bay

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Denver to Green Bay

Cheapest flights from Denver to Green BayExplore 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 julio 3, 2025.

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 julio 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Green Bay that are best for you.

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.

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 June 27, 2025.

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

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 julio 3, 2025.

Reviews of airlines servicing Green Bay

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.

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.

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

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

What are the cheapest flights from Denver to Green Bay?

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

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

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

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

Traveling to a place near Denver?

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Alternative routes for Denver to Green Bay

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Top 4 airlines flying from Denver to Green Bay

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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 julio 3, 2025.