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Cheap flights from Green Bay to Denver from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Denver departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Green Bay to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:20 am - 10:20 am
GRB
-
DEN
5h 00m
1 stop
Delta Logo
6:00 am - 11:13 am
DEN
-
GRB
4h 13m
1 stop
$251Delta
Sat, May 9 - Sat, May 16
United Airlines Logo
5:30 pm - 10:14 pm
GRB
-
DEN
5h 44m
1 stop
United Airlines Logo
7:32 am - 1:58 pm
DEN
-
GRB
5h 26m
1 stop
$265United Airlines
Fri, May 1 - Tue, May 5
Delta Logo
11:53 am - 3:36 pm
GRB
-
DEN
4h 43m
1 stop
Delta Logo
6:00 am - 11:13 am
DEN
-
GRB
4h 13m
1 stop
$279Delta
Sat, May 23 - Tue, May 26
Delta Logo
5:17 pm - 9:28 pm
GRB
-
DEN
5h 11m
1 stop
Delta Logo
6:20 am - 11:18 am
DEN
-
GRB
3h 58m
1 stop
$280Delta
Mon, Mar 16 - Tue, Mar 24
American Airlines Logo
5:00 am - 1:57 pm
GRB
-
DEN
9h 57m
2 stops
American Airlines Logo
5:44 pm - 11:32 pm
DEN
-
GRB
4h 48m
1 stop
$284American Airlines
Thu, Apr 2 - Tue, Apr 7
Delta Logo
4:19 pm - 7:51 pm
GRB
-
DEN
4h 32m
1 stop
Delta Logo
10:50 am - 3:38 pm
DEN
-
GRB
3h 48m
1 stop
$285Delta
Fri, Mar 20 - Wed, Mar 25
American Airlines Logo
7:30 am - 4:18 pm
GRB
-
DEN
9h 48m
2 stops
American Airlines Logo
1:13 pm - 11:35 pm
DEN
-
GRB
9h 22m
2 stops
$290American Airlines
Sat, May 9 - Sat, May 16
Delta Logo
5:17 pm - 9:28 pm
GRB
-
DEN
5h 11m
1 stop
Delta Logo
6:20 am - 11:18 am
DEN
-
GRB
3h 58m
1 stop
$294Delta
Mon, Mar 16 - Thu, Mar 26
United Airlines Logo
5:28 pm - 9:55 pm
GRB
-
DEN
5h 27m
1 stop
United Airlines Logo
6:00 am - 2:06 pm
DEN
-
GRB
7h 06m
1 stop
$295United Airlines
Tue, Mar 17 - Sun, Mar 22
Delta Logo
4:19 pm - 7:51 pm
GRB
-
DEN
4h 32m
1 stop
Delta Logo
6:20 am - 11:18 am
DEN
-
GRB
3h 58m
1 stop
$299Delta
Fri, Mar 20 - Fri, Mar 27

United Airlines flights from Green Bay to Denver

Our best United Airlines deals on Green Bay to Denver flight tickets
United Airlines
May 1
GRB5:30 pmGreen Bay Austin-Straubel
5h 44m
1 stop
DEN10:14 pmDenver Intl
May 5
DEN7:32 amDenver Intl
5h 26m
1 stop
GRB1:58 pmGreen Bay Austin-Straubel
$265
United Airlines
Mar 17
GRB5:28 pmGreen Bay Austin-Straubel
5h 27m
1 stop
DEN9:55 pmDenver Intl
Mar 22
DEN6:00 amDenver Intl
7h 06m
1 stop
GRB2:06 pmGreen Bay Austin-Straubel
$295
United Airlines
May 21
GRB8:25 pmGreen Bay Austin-Straubel
5h 28m
1 stop
DEN12:53 amDenver Intl
Jun 4
DEN6:00 amDenver Intl
4h 59m
1 stop
GRB11:59 amGreen Bay Austin-Straubel
$328

Delta flights from Green Bay to Denver

Our best Delta deals on Green Bay to Denver flight tickets
Delta
May 9
GRB6:20 amGreen Bay Austin-Straubel
5h 00m
1 stop
DEN10:20 amDenver Intl
May 16
DEN6:00 amDenver Intl
4h 13m
1 stop
GRB11:13 amGreen Bay Austin-Straubel
$251
Delta
May 23
GRB11:53 amGreen Bay Austin-Straubel
4h 43m
1 stop
DEN3:36 pmDenver Intl
May 30
DEN6:00 amDenver Intl
4h 13m
1 stop
GRB11:13 amGreen Bay Austin-Straubel
$279
Delta
Mar 16
GRB5:17 pmGreen Bay Austin-Straubel
5h 11m
1 stop
DEN9:28 pmDenver Intl
Mar 24
DEN6:20 amDenver Intl
3h 58m
1 stop
GRB11:18 amGreen Bay Austin-Straubel
$280

momondo 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, momondo users made 832,500 searches. Data last updated March 1, 2026.
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

Sat 5/9

6:20 am-10:20 am

1 stop5h 00m

Denver Intl

Sat 5/16

6:00 am-11:13 am

1 stop4h 13m

$251

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 5/1

5:30 pm-10:14 pm

1 stop5h 44m

Denver Intl

Tue 5/5

7:32 am-1:58 pm

1 stop5h 26m

$265

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 5/23

11:53 am-3:36 pm

1 stop4h 43m

Denver Intl

Tue 5/26

6:00 am-11:13 am

1 stop4h 13m

$279

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Mon 3/16

5:17 pm-9:28 pm

1 stop5h 11m

Denver Intl

Tue 3/24

6:20 am-11:18 am

1 stop3h 58m

$280

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Thu 4/2

5:00 am-1:57 pm

2 stops9h 57m

Denver Intl

Tue 4/7

5:44 pm-11:32 pm

1 stop4h 48m

$284

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 3/20

4:19 pm-7:51 pm

1 stop4h 32m

Denver Intl

Wed 3/25

10:50 am-3:38 pm

1 stop3h 48m

$285

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 5/9

7:30 am-4:18 pm

2 stops9h 48m

Denver Intl

Sat 5/16

1:13 pm-11:35 pm

2 stops9h 22m

$290

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Mon 3/16

5:17 pm-9:28 pm

1 stop5h 11m

Denver Intl

Thu 3/26

6:20 am-11:18 am

1 stop3h 58m

$294

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 3/17

5:28 pm-9:55 pm

1 stop5h 27m

Denver Intl

Sun 3/22

6:00 am-2:06 pm

1 stop7h 06m

$295

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 3/20

4:19 pm-7:51 pm

1 stop4h 32m

Denver Intl

Fri 3/27

6:20 am-11:18 am

1 stop3h 58m

$299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Green Bay to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Green Bay is in July. Flight prices, which tend to average around $196, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in July, then you should wait until June to fly from Green Bay, when ticket prices are also cheap, with an average price of $208.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Saturday when prices can be found for as low as $149. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Wednesday, with ticket prices averaging around $210.

What is the cheapest Green Bay Austin-Straubel to Denver Intl flight route?

Fly from Green Bay Austin-Straubel to Denver Intl for the best Green Bay Austin-Straubel - Denver Intl flight prices

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

You are more likely to see cheaper flights to Denver from Green Bay when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $297 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Green Bay for as low as $192 on momondo.

What cabin class options are available on Green Bay Austin-Straubel to Denver Intl flights?

There is only 1 cabin class available to choose from on Green Bay Austin-Straubel to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Green Bay to Denver flights?

No. A direct flight is the cheapest option for a flight between Green Bay to Denver.

How have Green Bay to Denver flight prices changed over time?

When to book flights from Green Bay to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Denver (GRB to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Denver

Fastest flight time

5h 00m

Direct flights

None
The fastest flight from Green Bay to Denver takes 5h 00m
There are no direct flights from Green Bay to Denver. There are no popular flight routes from Green Bay to Denver.
Search flight deals

  • How far is Green Bay Austin-Straubel to Denver Intl by plane?

    The straight-line distance from Green Bay Austin-Straubel to Denver Intl is 927.1 mi. 5h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Denver Intl Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Denver Intl Airport were last updated today.

  • How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Denver Intl Airport?

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Denver Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Green Bay Austin-Straubel Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Green Bay to Denver?

  • What is the most popular airline from Green Bay to Denver?

Best airlines flying from Green Bay to Denver

Compare and see reviews for airlines that fly from Green Bay to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $87Free CancellationRating
5.7
3,040 reviews
Search Frontier flights
DeltaPriceFrom $179Free CancellationRating
7.9
8,244 reviews
Search Delta flights
American AirlinesPriceFrom $204Free CancellationRating
7.1
11,370 reviews
Search American Airlines flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,370 reviews
Search United Airlines flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Boulder
Longmont
Cripple Creek
Greeley
Keystone
Lakewood
Westminster
Thornton
Frisco
Winter Park
Centennial
Copper Mountain
Grand Lake
Englewood

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Denver?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Green Bay to Denver for you.

Can I find flights from Green Bay to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from Green Bay with this policy.

How can momondo help me find flights from Green Bay to Denver?

Once all potential Green Bay to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Green Bay to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Green Bay. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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