Cheap Flights from Denver to Green Bay

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Find the cheapest month or even day of the year to fly to Green Bay

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Flight deals from Denver to Green Bay Airport

Looking for a cheap last-minute deal or the best return flight from Denver to Green Bay Airport? If you want to travel next month, return fares start from ر.ق.‏ 1,341. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Green Bay

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Green Bay flights are currently cheapest in April.

Denver to Green Bay: Alternative routes

Compare routes from Denver to Green Bay below. You may find an airport to fly into that's cheaper, faster, or easier than Green Bay.

Denver to Green Bay: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 567
Cheapest month to flyApril

Finding cheap flights from Denver to Green Bay: Frequently asked questions

The best price we found for a return flight from Denver to Green Bay is ر.ق.‏ 1,185. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver to Green Bay. But we found flights with one stop from ر.ق.‏ 1,185.
As of March 2026, there are no flights flying from Denver to Green Bay.
The cheapest month to fly from Denver to Green Bay is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Green Bay Airport on Tuesday, 28 April 2026.
No airlines currently offer direct flights between Denver and Green Bay Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Green Bay but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Green Bay is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Green Bay is United .

Flying from Denver to Austin Straubel International Airport (GRB): What you need to know

  • Start your adventure at Denver International Airport (DEN), the main airport in Denver. Search for flights from Denver to Austin Straubel International Airport (GRB) that leave from this base.

  • The average time for a direct Denver to Austin Straubel International Airport flight is 2 hours 25 minutes.

  • The timezone in Green Bay is UTC-5, which is one hour ahead of Denver. Austin Straubel International Airport is located in Green Bay.

  • Leave plenty of time to get on your flight from Denver to GRB. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • In high season, allow for extended wait times and get there earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Denver

Denver International Airport (DEN)

  • Denver International Airport (DEN) will have you travelling directly to your destination. Nonstop flights from Denver to Austin Straubel International Airport (GRB) take off from this terminal.

  • When departing from DEN, you can take a direct flight from Denver to Austin Straubel International Airport with Frontier Airlines.

  • Frontier Airlines is the airline most travellers choose for flights from DEN to GRB.

  • The journey from central Denver to DEN takes around 1 hour 30 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Booking a hotel room for the night can take the stress out of reaching the airport on time. If you're searching for a place to stay before your flight from Denver to Austin Straubel International Airport, check out Baymont by Wyndham Denver International Airport. It's a quick drive from Denver International Airport.

  • Denver International Airport has a strong on-time record, so you're unlikely to face delays. Departures from DEN make it to their destination as scheduled 80.23% of the time.

  • You'll find DEN at 8500 Pena Boulevard.

About Austin Straubel International Airport (GRB)

How to find the cheapest flights from Denver to Austin Straubel International Airport (GRB)

  • At the moment, ر.ق.‏ 567 is the best price we've found for a one-way ticket from Denver to Austin Straubel International Airport. The cheapest price for a return flight is ر.ق.‏ 1,185. Remember fares can change due to demand at the time of booking.

  • Booking early is often the key to scoring a cheap flight from Denver to GRB. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.

  • The 'Whole month' tool will show you the cheapest Denver to Austin Straubel International Airport tickets across every month. It's an easy way to find a bargain if your plans are flexible.

  • Stay on top of deals for flight tickets from Denver to GRB by setting up a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Filters make it easier to find a bargain for your flight from Denver to Austin Straubel International Airport. Choose the departure times, carriers and stops that match your plans. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from Denver to Austin Straubel International Airport (GRB)

  • February is the quietest month for flights from Denver to Austin Straubel International Airport (GRB), while October is the most popular. Figure out the best time to go to Green Bay based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book a Denver to GRB flight ticket departing in July if you want to visit the city during its warmest month. Expect temperatures in Green Bay to range from 13ºC to 28ºC.

  • January sees temperatures of between -17ºC and 0ºC. Search for cheap tickets from Denver to Austin Straubel International Airport around that time if you like travelling in cooler conditions.

More about Green Bay

Explore more of the United States

  • You've visited Green Bay, now it's time to explore other parts of the United States. Journey about 290 kilometres south to Chicago to check off its leading attractions. From Millennium Park to Lollapalooza and Art Institute of Chicago, your itinerary will be busy.

  • Milwaukee is another must-experience destination in the United States and is around 161 kilometres south of Green Bay. No journey is complete without a visit to Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.