R15 141 Cheap flights to Illinois

For prices as low as R3 190/pp, you can find flights to Illinois depending on where you are departing from. On average, flights to Illinois cost R20 685/pp.

Chicago is about 99% 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.

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.

The most often visited landmarks in Illinois are McCormick Place, United Center, and Chicago Riverwalk, among many others that can be found in the area.

The temperatures in Illinois range from 23 °F to 73,4 °F 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.

There are a total of 11 airlines that operate flight routes to Illinois, with British Airways being the most popular option. An estimated 31% of those flying into Illinois choose to fly with British Airways. If you’re unable to find tickets with British Airways, then United Airlines and KLM are also popular airlines to fly with.

Consider booking a flight to Illinois on a Thursday, which is the cheapest day of the week. You will also find that flying out on a Monday is another low-cost option. Try to avoid booking your flight to Illinois on Saturday, which tends to be the most expensive day of the week.

Prices for flights to Illinois are updated daily.

As of December 2025, there are 12 operators available to choose from for flights to Illinois.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Illinois.

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.