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Book Flights to Illinois

Need to get away? CheapOair can save you money on airline tickets. Let us do all the work when it comes to finding you cheap fares. We're always searching for the best deals to help you save money on Illinois airfares.

Whether you need a family getaway, time to yourself, or a romantic trip, you can find cheap Illinois flights with CheapOair. Finding discount airline tickets isn’t all we do. We’ll send you fare promotions and give you tips on finding the best flight deals.

A state in the Midwestern region of the United States, Illinois is the 5th most populous state and is often noted as a microcosm of the entire country. With great agricultural productivity and small industrial cities, the state has a varied economic base. The climate of the state varies widely all through the year. Illinois averages around 51 days of thunderstorm in a year. Top attractions here include Willis Tower Skydeck, Abraham Lincoln Presidential Library and Museum, Navy Pier, Lincoln Park, Cahokia Mounds State Historic Site, Ulysses S. Grant Home State Historic Site, and Magnificent Mile.

Popular Destinations in Illinois


Located along Lake Michigan, Chicago is a popular tourist destination in the United States. Chicago is an international center of finance, industry, education, technology, transportation, and more. It is a cultural hub with a buzzing nightlife, extensive shopping venues, and booming culinary scene. The city is also home to many museums, theater companies, live performance institutions such as Chicago Symphony Orchestra and Lyric Opera of Chicago.


Capital of Illinois, Springfield was settled in the late 1810s. The city lies in a valley near the Sangamon River. Springfield’s most famous landmarks are related to its most famous resident, Abraham Lincoln. Visitors will find Lincoln Home National Historic Site, Abraham Lincoln Presidential Library and Museum, and the Lincoln Tomb. Springfield is also home to several museums, parks, performing art venues, and cultural institutions such as Illinois State Museum, Dana Thomas House, Edwards Place Historic Home, Illinois Symphony Orchestra, Sangamon Auditorium, Washington Park Botanical Garden, Carpenter Park, and more.


Located in the northwest Illinois, Galena is the largest city in Jo Daviess County. Ulysses S. Grant and eight other Civil War generals hailed from the city. Galena is a popular tourist destination renowned for its architecture, history, and resorts. Galena Historic District is lined with landmarks such as the Old Market House State Historic Site, Ulysses S. Grant Home, DeSoto House Hotel and more. Visitors will find here structures in a range of styles from Greek Revival, Gothic Revival, Italianate to later Victorian styles.For those interested in hiking are recommended to visit Horseshoe Mound Preserve, which is ideal for hiking and offers panoramic views of three states - Iowa, Illinois, and Wisconsin.

Popular Festivals and Events

Illinois hosts several great festivals and events all around the year. Some of the popular ones for which tourists can book airline tickets to Illinois are Lincoln Park Wine Festival (May), Lollapalooza (August), Chicago Jazz Festival (September), Chicago Gourmet (September), and Magnificent Mile Lights Festival (November).

Best Time to Visit Illinois

The best time to visit Illinois is during early summer from April to May and late fall from September to October when the temperatures are mild. Airfares during the peak time tend to rise and thus it is advisable to book in advance to get cheap tickets to Illinois.

Illinois Travel Tools  

  • Visiting Illinois? Check out our extensive list of  Illinois hotels We offer all sorts of hotels for every need and budget at the best available rates!
  • Right from being whisked away from the airport and dropping you at your hotel to sightseeing, arranging and booking Illinois car rental is so easy with CheapOair.
  • Take a romantic getaway with your beloved or treat your family with a fun filled vacation, we have all sorts of  Illinois vacation packages at the best rates.