Cheap Flights to Illinois

Located in the heart of the U.S., Illinois is a quintessentially American state. It is home not only to vast expanses of rolling fields, which have earned the state the nickname "The Corn Belt," but also boasts quaint towns, historical sites, and several large industrial cities. Skyscanner's flight search can help you find and compare cheap flights to Illinois. To compare flight prices across a range of dates, select the Whole Month search filter.

Best Time to Fly to Illinois

The most popular time to visit Illinois is during the summer months (June to August), when most of the tourist attractions are open and the state's festivals are in full swing, but this is also the time of year when flight and hotel prices are at their highest. Those visiting Illinois during the spring or late fall will enjoy mild weather, fewer crowds, and lower flight and accommodation costs.

Airlines That Fly to Illinois

Air Canada, American Airlines, Delta Air Lines, and WestJet are just a few of the major airlines that fly to Illinois. Skyscanner's Price Alert tool can help you monitor airfares for these and other carriers. Simply enter your departure date, and we'll let you know of any price drops.

Airports in Illinois

There are 11 publicly owned airports in Illinois that service regular scheduled passenger flights. The busiest airports, in terms of passenger traffic, are Chicago O'Hare International Airport, Chicago Midway International Airport, General Wayne A. Downing Peoria International Airport, Quad City International Airport, and Chicago Rockford International Airport.

Chicago O'Hare International Airport (ORD) is the main airport serving the Chicago metropolitan area. The facility is located approximately 27 kilometres northwest of the Loop and is well connected by public buses, trains, and taxis. Car rentals at Chicago O'Hare International Airport are provided by several well-known agencies, including Ace, Budget, and Dollar.

Chicago Midway International Airport (MDW) is located approximately 13 kilometres from the Loop. The airport is a hub for low-cost carrier Southwest Airlines. Ground transportation options for getting from Chicago Midway International Airport to the city centre include limousines, taxis, hotel shuttles,ride-shares, and car rentals.

General Wayne A. Downing Peoria International Airport (PIA) is the primary airport serving the Peoria metropolitan area. It is situated approximately 8 kilometres to the west of downtown Peoria and is connected to the city centre by public transit lines, scheduled bus services, limos, taxis, and shuttles.

Located approximately 5 kilometres south of Moline, Quad City International Airport (MLI) is the state's third busiest airport. Ground transportation options available at this airport include rental cars, coach lines, public buses, and yellow cabs.

Chicago Rockford International Airport (RFD) lies approximately 6 kilometres to the south of central Rockford. The airport is served by city buses, coach lines, taxis, and limousines. AVIS, Hertz, and National are among the car rental agencies that operate desks at this facility.

What to See and Do in Illinois

While Chicago remains the state's most popular tourist destination, Illinois is home to other major tourist cities -- namely Galena, where golf enthusiasts will find no fewer than 10 stunning courses, and Springfield, the capital city and home to the Lincoln Tomb. Other points of interest are the city of Quincy, which boasts a vibrant music and theatre scene, and Champaign, the home of the University of Illinois.

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