Flights to Illinois vary based on month, airline, when you book, where you are departing from and many more variables, but on average momondo users can expect to spend about $804/pp. The absolute cheapest flight to Illinois is $46/pp
Chicago is about 507% more popular to visit than any other city in Illinois, according to momondo users. When visiting Chicago, it is recommended to fly into Chicago O'Hare Intl Airport, where you can typically get the cheapest prices and the most convenient travel options into the city.
When visiting Illinois, the majority of people tend to find Wrigley Field, Magnificent Mile and University of Illinois at Urbana–Champaign to be the most notable landmarks in the area.
For the quickest drive from an arrival airport to Wrigley Field, fly into Chicago O'Hare Intl Airport or Chicago Midway Airport, which are closest to the area.
The temperatures in Illinois range from -5 °C to 23 °C depending on the time of year. The warmest month in Illinois is July, and the coldest month in Illinois is January. Those looking for a drier month during their visit should travel during the months of January, February, or December, when rain is least likely compared to the rest of the year.