Cheap flights from Illinois to Green Bay from $169

The month of March is, on average, the cheapest month to fly to Green Bay from Illinois, with most prices found around $0. If you aren’t able to travel during the month of March, then book flights to Green Bay from Illinois during January instead. Flights to Green Bay in January, while not as cheap as those in March, still average around $179.

The cheapest day to depart from Illinois to Green Bay is on a Wednesday when prices can be found for as low as $209. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Green Bay for around $309.

Our most recent data shows that the best time of day to fly to Green Bay is in the morning. Flights from Illinois to Green Bay during this time can be as low as $259. At noon is when there is more demand to fly to Green Bay, so prices are often more expensive at around $409 per ticket.

Fly from Chicago O'Hare Intl to Green Bay Austin-Straubel for the best Illinois - Green Bay Austin-Straubel flight prices

There are 2 cabin classes available to choose from on Illinois to Green Bay flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Delta, United Airlines, and American Airlines are the most popular carriers operating from Illinois to Green Bay Austin-Straubel

Contour, American Airlines and United Airlines are the top three most popular airlines that fly to Green Bay from Illinois according to our data. Contour is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Green Bay. Keep in mind that there are 3 different airlines that fly to Green Bay on a routine basis, so you have a few additional options to choose from.

As of August 2026, 20 flights take off from Illinois and land in Green Bay each day. The most common flight departure time for this route is 5:00PM, with 56% of daily flights taking off in the afternoon.

As of August 2026, there are 141 flights per week flying from Illinois to Green Bay. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.