Cheap Flights from Chicago to Green Bay

Compare Chicago to Green Bay flight deals

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

Book the best Green Bay fare with no extra fees

Flight deals from Chicago to Green Bay

Looking for a cheap last-minute deal or the best return flight from Chicago to Green Bay? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Green Bay

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

Direct flights from Chicago to Green Bay

Chicago to Green Bay: Alternative routes

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

Chicago to Green Bay: Flight information

The things to know before you go.
Cheapest flight foundR 3,563
Cheapest month to flyMarch
Average flight time1 hr, 11 mins
Most popular airlineAmerican Airlines
Average flights per week218

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

The best price we found for a return flight from Chicago to Green Bay is R 3,154. 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.
1 hour and 11 minutes is the average flight time from Chicago to Green Bay.
American Airlines, Envoy Air and United fly direct from Chicago to Green Bay.
As of August 2025, there are 218 flights per week flying from Chicago to Green Bay.
The cheapest month to fly from Chicago to Green Bay is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Green Bay Airport on Friday, 12 September 2025.
Yes – the average flight time is 1 hour and 11 minutes.
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 .

Travelling from Chicago to Austin Straubel International Airport (GRB): What you need to know

  • Your adventure gets underway at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Austin Straubel International Airport (GRB) departing from either of these bases.

  • 1 hour 10 minutes is the average travel time for a direct Chicago to Austin Straubel International Airport flight.

  • Green Bay (where Austin Straubel International Airport is located) and Chicago share the UTC-5 timezone. Same timezone means no confusion when scheduling your trip.

  • O'Hare International Airport (ORD) to Austin Straubel International Airport (GRB) is the most popular route. There are 60 direct weekly flights to pick from. If you prefer starting your day later, hop on the last flight with American Airlines at 10:15pm. Opt for the first ORD to GRB departure with American Airlines at 8:22am if you'd rather get going earlier.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your flight from Chicago to GRB.

  • Delays at check-in and security are more likely if you're flying during high season, so allow a bit more breathing room. The recommendation for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

Airports in Chicago

O'Hare International Airport (ORD)

  • You can book a direct flight from Chicago to Austin Straubel International Airport (GRB) out of O'Hare International Airport (ORD).

  • When departing from ORD, you can catch a direct flight from Chicago to Austin Straubel International Airport with United Airlines.

  • Most travellers choose to fly with United Airlines from ORD to GRB.

  • With 78.92% of its services arriving as scheduled, American Airlines is the top on-time carrier on this route.

  • The journey from central Chicago to ORD takes around 55 minutes on 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.

  • Planning to catch an early flight from Chicago to Austin Straubel International Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by picking one of these stays close to O'Hare International Airport:

  • 74.85% of flights that depart O'Hare International Airport reach their destination on schedule.

  • The address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • MDW is about 19 kilometres from central Chicago. It'll take 20 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 45 minutes.

  • Taking off bright and early? Think about staying at one of these accommodation options near Chicago Midway International Airport the day before your Chicago to GRB flight:

  • When it comes to keeping flights on track, Chicago Midway International Airport has an on-time arrival performance of 77.88%.

  • MDW is located at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • The journey time to RFD from the centre of Chicago is around 4 hours 15 minutes by public transport. If you're in a car, it'll take you roughly 1 hour 25 minutes to cover the 137 kilometres or so.

  • Make catching an early Chicago to Austin Straubel International Airport flight the easiest part of your trip. Book a room at one of these accommodation options close to Chicago Rockford International Airport and get to your gate with time to spare:

  • The on-time performance rate of RFD is 76.19%. In other words, that's how frequently flights departing this airport arrive within the expected time frame.

  • The address of Chicago Rockford International Airport is 2 Airport Cir.

About Austin Straubel International Airport (GRB)

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

  • At the moment, R 3,563 is the best price we've found for a one-way ticket from Chicago to Austin Straubel International Airport. The cheapest price for a return flight is R 3,154. Remember fares can change due to availability at the time of booking.

  • To pick up cheap flights from Chicago to GRB, book ahead. Airlines usually offer lower fares when flights are first released.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the cheapest price in every month when searching for your Chicago to Austin Straubel International Airport ticket.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a better deal comes up on plane tickets from Chicago to GRB.

  • Hunt down a great price on a flight from Chicago to Austin Straubel International Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest.'

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

  • It's time to figure out when to book your flight from Chicago to Austin Straubel International Airport (GRB). October is the most popular month to visit Green Bay. If you like your getaways a little more chill, go in February.

  • The warmest month in Green Bay is July, with temperatures ranging between 13ºC (55ºF) and 28ºC (82ºF). Lock in your Chicago to GRB plane ticket then if this is the type of weather you enjoy.

  • Look for cheap tickets from Chicago to Austin Straubel International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -17ºC (1ºF) and 0ºC (32ºF).

More about Green Bay

Explore more of the United States

  • You've seen Green Bay, now it's time to discover other corners of the United States. Journey around 290 kilometres south to Chicago to tick off its leading sights. From Millennium Park to Lollapalooza and Art Institute of Chicago, you'll have a packed itinerary ahead.

  • If there's time to check out another side of the United States, consider Milwaukee, roughly 161 kilometres south of Green Bay. Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo are key reasons to visit.

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