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$78+ Cheap flights from Green Bay (GRB) to Aurora, CO

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — DEN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Green Bay Austin-Straubel to Aurora are usually found in June or July, booked 87 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Green Bay to Aurora

Keep the following information in mind while searching for Green Bay to Aurora flight deals. Data was last updated July 29, 2025.

Round-trip from

$142
(Cheapflightsfares)

One-way from

$78
(Cheapflightsfares)

Popular in

March

Cheapest in

June

Average price

$218
From Green Bay Austin-Straubel to Aurora
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One-way flight from Green Bay Austin-Straubel to Aurora
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Highest demand for flights based on searches. 16% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Green Bay to Aurora

Cheapest flights from Green Bay to Aurora
Explore the most affordable flight options available from Green Bay to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:52 pmGRB - DEN
Nonstop2h 47mFrontier
Mon 8/183:31 pmDEN - GRB
Nonstop2h 24mFrontier
Deal found 7/27$142
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/303:02 pmGRB - DEN
1 stop6h 20mAmerican Airlines
Wed 9/39:47 amDEN - GRB
1 stop7h 09mAmerican Airlines
Deal found 7/29$234
This Delta deal was found by Cheapflights users on 7/28. 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 11/84:16 pmGRB - DEN
1 stop4h 14mDelta
Sat 11/152:20 pmDEN - GRB
1 stop6h 13mDelta
Deal found 7/28$251
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:51 pmGRB - DEN
1 stop5h 13mUnited Airlines
Tue 11/184:06 pmDEN - GRB
1 stop4h 32mUnited Airlines
Deal found 7/29$325

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Aurora 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 July 29, 2025.
Use the filters below to find and compare flights from Green Bay to Aurora that are best for you.

Fly from

Green Bay

Fly to

Aurora

Route

Depart

Return

Price

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 8/15

7:52 pm-9:39 pm

Nonstop2h 47m

Denver Intl

Mon 8/18

3:31 pm-6:55 pm

Nonstop2h 24m

$142

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 8/30

3:02 pm-8:22 pm

1 stop6h 20m

Denver Intl

Wed 9/3

9:47 am-5:56 pm

1 stop7h 09m

$234

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 11/8

4:16 pm-7:30 pm

1 stop4h 14m

Denver Intl

Sat 11/15

2:20 pm-9:33 pm

1 stop6h 13m

$251

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 11/14

3:51 pm-8:04 pm

1 stop5h 13m

Denver Intl

Tue 11/18

4:06 pm-9:38 pm

1 stop4h 32m

$325

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Fri 8/15

7:52 pm-9:39 pm

Nonstop2h 47m

$78

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sun 8/31

6:20 am-9:55 am

1 stop4h 35m

$109

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Sat 8/30

3:02 pm-8:22 pm

1 stop6h 20m

$135

Green BayDenver

GRB - DEN

GRBDEN

Green Bay Austin-Straubel

Tue 8/26

5:30 pm-10:52 pm

1 stop6h 22m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Green Bay to Aurora

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

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

Use this chart to determine the optimal time to book a round-trip flight from Green Bay to Aurora. Price data was last updated on July 25, 2025.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Green Bay to Aurora. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Green Bay to Aurora (average of $197). Flying from Green Bay to Aurora in March is currently the most expensive (average of $278). 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 GRB to 9UR?

Find hourly flight availability from Green Bay to Aurora. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Green Bay to Aurora as you normally would.

Reviews of airlines servicing Aurora

Get insights into the airlines that provide service to Aurora. 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 Aurora. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Green Bay to Aurora. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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
3,238 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

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 Green Bay to Aurora. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Green Bay to Aurora?

    Most people fly from Green Bay Austin-Straubel (GRB) if they book a flight from Green Bay to Aurora. On average, Austin-Straubel has 0 outbound flights to Aurora per day from 4 airlines. Green Bay Austin-Straubel is conveniently located just 5.9 mi from Green Bay’s city center.

  • How popular is this Green Bay to Aurora flight route?

    Within the past month, 1 users have taken a look at flights from Green Bay Austin-Straubel to Aurora.

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

    $78 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $109 and $135, respectively.

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

    While on average a flight from Green Bay to Aurora is generally $152, our data shows the cheapest flight currently is $80. When looking at the most popular route, (Green Bay Austin-Straubel - Denver Intl), you can expect to pay $152 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Green Bay to Aurora (average of $197). Flying from Green Bay to Aurora in March is currently the most expensive (average of $278). 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

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Top 4 airlines flying from Green Bay to Aurora

Discover the top 4 airlines that operate flights from Green Bay to Aurora. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$217Average$367FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$440FlexibilityNo cancel feeOn-time69%

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