$49 Find Cheap Flights from Wisconsin to Illinois - Compare and Save

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 Wisconsin to Illinois.

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

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 Wisconsin to Illinois with an airline and back with another airline.

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 Wisconsin to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Wisconsin and Illinois are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (249 flights per week), American Airlines (167 flights per week), and Air New Zealand (140 flights per week).

There are 12 airports in Illinois. The busiest airport is Chicago O'Hare Airport (ORD), with 92% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Illinois is Chicago Midway Airport (MDW), with an average flight price of $259.

Based on KAYAK data, the cheapest day to fly to Illinois is Friday where round-trip tickets can be as cheap as $427. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $553 on average.

The cheapest time of day to fly to Illinois is generally in the morning, when round-trip flights cost $439 on average. Morning departures are around 15% cheaper than evening flights, on average. The most expensive time of day to fly to Illinois is generally at night, which is peak travel time and where the average cost of a ticket is $738.

The cheapest ticket to Illinois from Wisconsin found in the last 5 days was to Chicago O'Hare Intl Airport, at $226 round-trip. The most popular route is Appleton (ATW) to Chicago O'Hare Intl Airport (ORD) and the cheapest round-trip airline ticket found on this route in the last 5 days was $226.

The cheapest month for flights from Wisconsin to Illinois is December, when tickets cost $203 (return) on average. On the other hand, the most expensive months are January and September, when the average cost of round-trip tickets is $305 and $299 respectively.

From Wisconsin, there are direct flights to Illinois from 8 cities. The city with the most direct flights is Milwaukee, with 406 direct flights each week.

There are around 161 direct flights from within Wisconsin to Illinois every day. Most flights (45%) depart in the morning.

Each week there are around 1,127 direct flights from within Wisconsin to Illinois. The most common day for departures is Sunday, with 15% of flights taking off on this day.

An average nonstop flight from Wisconsin to Illinois takes 3h 58m, covering a distance of 267 miles. The shortest route is Milwaukee (MKE) to Chicago Midway Airport (MDW) with an average flight time of 0h 45m.

There are not any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to Illinois. Instead, there are 1,127 short-haul flights (up to 3 hour flight duration), with the most arriving from Milwaukee.

Based on KAYAK flight searches, the most popular destination is Chicago (83% of total searches to Illinois). The next most popular destinations are St. Louis (14%) and Peoria (1%). Searches for flights to Bloomington (1%), to Evansville (0%) and to Springfield (0%) are also popular.