Fly to Illinois (United States) with Destinia.com. We offer you flights at economical prices or in the class you choose. To select your flights Illinois, type the name of the city you wish to depart from in the Departure box and write Illinois in the Arrival field. Then select the departure and return dates. You can buy several airline tickets to Illinois at the same time by indicating the number of adults, children and babies travelling. You can filter the type of flight if you are only interested in direct flights to Illinois (United States), multiple destinations or flight stopovers.