The average flight to Illinois costs £551/per person and the cheapest flight to Illinois is £33/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.
The majority of momondo users who fly to Illinois tend to spend time in Chicago, which is visited 797% more often than other cities. When flying to Chicago, the most popular airport to fly into is Chicago O'Hare Intl Airport.
When visiting Illinois, the majority of people tend to find McCormick Place, Magnificent Mile and Chicago Riverwalk to be the most notable landmarks in the area.
The closest airport to McCormick Place is Chicago O'Hare Intl Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Chicago Midway Airport.
Temperatures in Illinois can vary between -5 °C and 23 °C based on the time of year. Typically, the coldest month in Illinois will be January, and the warmest month will be July. It is also worth noting that those looking to avoid rain and/or snow should consider travelling to Illinois in January, February, and December, as that is when precipitation is least likely.