$126 Find Cheap Flights from Green Bay to Colorado

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Green Bay to Colorado departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Colorado

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Green Bay to Colorado, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Green Bay to Colorado, as well as popular online travel agencies
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Cheap Flights from Green Bay to Colorado

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Denver
Denver1 stop$251
Aspen
Aspen2 stops$354
Grand Junction
Grand Junction2 stops$219
Denver
Denver1 stop$251
Aspen
Aspen2 stops$354
Grand Junction
Grand Junction2 stops$219

Book Cheap Green Bay to Colorado Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Green Bay to Colorado that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Green Bay to Colorado

Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
2:39 pm - 10:27 pmGRB-GJT
8h 48m2 stops
United Airlines Logo
11:00 am - 7:03 pmGJT-GRB
7h 03m2 stops
$219United Airlines
Find Deal
Tue, Feb 10 - Tue, Feb 24
Delta Logo
12:02 pm - 4:41 pmGRB-DEN
5h 39m1 stop
Delta Logo
6:10 am - 11:19 amDEN-GRB
4h 09m1 stop
$251Delta
Find Deal
Fri, Feb 20 - Tue, Feb 24
American Airlines Logo
6:38 pm - 10:39 pmGRB-DEN
5h 01m1 stop
American Airlines Logo
12:18 pm - 8:30 pmDEN-GRB
7h 12m1 stop
$255American Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
American Airlines Logo
3:06 pm - 11:19 pmGRB-DEN
9h 13m2 stops
American Airlines Logo
7:26 am - 2:29 pmDEN-GRB
6h 03m1 stop
$256American Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
Delta Logo
11:10 am - 5:25 pmGRB-DEN
7h 15m1 stop
Delta Logo
5:45 am - 11:33 amDEN-GRB
4h 48m1 stop
$259Delta
Find Deal
Fri, Feb 20 - Tue, Feb 24
American Airlines Logo
6:38 pm - 10:39 pmGRB-DEN
5h 01m1 stop
American Airlines Logo
6:20 am - 8:30 pmDEN-GRB
13h 10m2 stops
$260American Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 3
American Airlines Logo
5:02 pm - 11:16 pmGRB-DEN
7h 14m1 stop
American Airlines Logo
6:00 am - 4:32 pmDEN-GRB
9h 32m2 stops
$264American Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 3
American Airlines Logo
11:20 am - 9:16 pmGRB-DEN
10h 56m2 stops
American Airlines Logo
6:00 am - 4:32 pmDEN-GRB
9h 32m2 stops
$269American Airlines
Find Deal
Tue, Feb 10 - Fri, Feb 20
Delta Logo
12:02 pm - 4:41 pmGRB-DEN
5h 39m1 stop
Delta Logo
6:10 am - 11:19 amDEN-GRB
4h 09m1 stop
$275Delta
Find Deal
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
2:39 pm - 10:27 pmGRB-GJT
8h 48m2 stops
United Airlines Logo
7:00 am - 4:47 pmGJT-GRB
8h 47m2 stops
$299United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Green Bay to Colorado flights

Get data-powered insights and trends into flights from Green Bay to Colorado to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Green Bay to Colorado flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Colorado from Green Bay found in the last 72 hours was to Denver, at $89 round-trip. The most popular route is from Green Bay (GRB) to Denver (DEN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $89.

Can I save money by flying with a layover from Green Bay to Colorado?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $378, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Green Bay to Colorado, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Green Bay to Colorado is July, when tickets cost $179 (return) on average. On the other hand, the most expensive months are March and January, when the average cost of round-trip tickets is $510 and $393 respectively.

What’s the cheapest day of the week to fly from Green Bay to Colorado?

The average price of all round-trip flights from Green Bay to Colorado clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Green Bay to Colorado, look for departures on Saturdays and avoid leaving on a Wednesday, as it's usually the priciest day. When flying back from Colorado, Wednesday is the cheapest day to fly and Monday is the most expensive.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Green Bay to Colorado, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Green Bay to Colorado, you should book around 2 weeks before departure, which saves you about 33% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$126
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from Green Bay to Denver

FAQs - booking Colorado flights

  • How does KAYAK find such low prices on flights from Green Bay to Colorado?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Green Bay to Colorado.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Green Bay to Colorado?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Green Bay to Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Green Bay to Colorado?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Green Bay to Colorado with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Green Bay to Colorado?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Green Bay to Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Colorado?

    The cheapest time of day to fly to Colorado is generally at night, when round-trip flights cost $199 on average. The most expensive time of day to fly to Colorado is generally at night, which is peak travel time and where the average cost of a ticket is $199.

Reviews of the top 4 airlines serving from Green Bay to Colorado

 
See real verified KAYAK customer reviews for airlines flying from Green Bay to Colorado. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Green Bay to Colorado? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 7996 reviews
7.9Entertainment
8.2Boarding
7.9Comfort
7.3Food
8.5Crew
Airline reviews

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

8.0 ExcellentPAULINA, Oct 2025LAS - ATL
Read more Delta reviews

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Flight was too crowded and seats are too small, especially since passengrs are getting larger. Having a middle seat is ALWAYS tough! Woman on my left was large & kept creeping in to my space. Flight personnel were great! Have more savory rather than sweet snacks please.

Flight was crowded and the woman sitting on my left was large & kept crouching in to my space. You need bigger seats or smaller passengers to fit into the seats you DO have! Snack were OK. Would appreciate if airlines had more savory rather than sweet snacks, thank you!

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

The entertainment available didn’t work for anyone on the flight. Long 6 hr flight with no entertainment option and the staff didn’t know until an hour into the flight when we made sure they knew about it. They had no way to fix it.

Late FA meant slow boarding. WiFi did not work. I’m a medium plus sized passenger. The seatbelt was for the first time ever barely fitting. And we delayed on the tarmac 40 min

My husband and I had boarded the flight from Denver to Chicago, and one of the last passengers to get on the plane opened the overhead bin above my husband's seat and threw his bag out of the bin to make space for his own. He said, "Mine is bigger!" The flight attendant supported the new passenger. They didn't care that my husband has two artificial knees and must have the foot room in front of his seat to be able to fit his legs in -- and to be able to stand, much less walk, at the end of the flight. I have never seen this happen before, and it was a disaster.

Terrible. They wouldn't allow me on my flight on the 14th..

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

Our flight was understandably diverted to a small regional airport in Laramie, Wyoming due to weather conditions, which I fully recognize and appreciate. However, the low rating stems from the experience that followed: passengers remained on board for over an hour without the option to deplane and stretch, despite the aircraft being stationary. Although the pilot opened the cabin door, only he was permitted to exit. Meanwhile, passengers grew increasingly uncomfortable as warm summer air entered the cabin through the open door, and being in the second row meant we were impacted immediately. While the flight attendants made efforts to keep everyone at ease, I believe allowing passengers to deplane briefly, given the extended delay, would have significantly improved the overall experience.

I never flew. Flight was canceled. DIA worst airport in the country. Avoid at all costs.

Very rough getting into denver. my kid threw up it was so rough.

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

It was good..clean, comfy seat. Friendly warm welcoming crew. Was able to check my cabin luggage at the gate which I was able to pickup in a decent time from baggage claim. The app gave all updates from delays to baggage claim info. Overall smooth flight.

Flight was delayed leaving Dallas. Arrived about 2 hours later than scheduled.

Flight delayed and missed connection. Rescheduled flight cancelled after 6 hrs wait. Rerouted thru ORD, flight cancelled, overnight stay in ORD. Still in the air on new flight!

We are too tired and frustrated to comment politely at this point

Terrible. Our luggage was delayed and couldn’t be delivered for several days. We got bad information from the airline agents at baggage claim. We had to pick up our car so we wouldn’t be charged for an extra day. We got lost in the maze of airport parking. The baggage claim agents didn’t offer us any compensation for our extra time and expense. We are tired, hungry and very frustrated.

The flight was flawless and we even arrived between 20 and 25 minutes early!

The only thing to like was that we eventually got to our destination

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

The experience was good. No frills but I got there safe and sound and on time.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

Frontier Airlines was AWFUL. I was an hour early for my flight and the lady refused to check me in. I had to purchase a whole new ticket with a different airline.

Late, terrible communication, horrible planning of passenger seating until the literal last minute. One of the worst flying experiences of my life. Y'all suck

First of all, we never got on the connecting flight to Denver. They delayed our flight for two hours. If we would have gotten on that flight, we would have been stuck in Denver for 13 hours. So we re- routed our flight for a straight through flight to Oklahoma two days later. THEN, they delayed that flight for two hours. After that we were able to finally get on our flight and come home. Frontier Airlines - one of the worst airlines I have ever been on.

Terrible communication with weather delay, lost baggage, near impossible to reach customer service

My tickets got canceled on me by your site and I didn't have a flight. Then you kept sending me emails on the status of q flight I didn't have tickets for.

Flight was late. Missed connecting in Denver. My new flight is more than 24 hours later and I have no room, vouchers, or compensation, and might also be bumped from the one tomorrow.

Everything you need to know for your flight from Green Bay to Colorado

Information on your arrival and departure airports

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