₹ 71,596 Cheap flights to Illinois

The majority of momondo users who fly to Illinois tend to spend time in Chicago, which is visited 99% more often than other cities. When flying to Chicago, the most popular airport to fly into is Chicago O'Hare Intl Airport.

The closest airport to Millennium Park 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 Millennium Park, Renaissance Schaumburg Convention Center Hotel, and Magnificent Mile, among many others that can be found in the area.

Illinois typically has a temperature range from -5 °C(January) to 23 °C(July). Those looking to avoid rain and/or snow while visiting Illinois should plan their trip in January, February, or December, as these months are relatively less likely to have precipitation.

Etihad Airways, Air India and British Airways are the top three most popular airlines that fly to Illinois according to our data. Etihad Airways is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 17 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

The cost to fly to Illinois varies based on a variety of factors, but you can expect to find prices as low as ₹ 36,344 or as high as ₹ 486,604. Based on recent airfare data, we’ve found that a ticket to Illinois for ₹ 199,777 or less is a good deal, whereas ₹ 209,605 is the average cost.

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

Prices for flights to Illinois refresh daily.

As of March 2026, there are 19 operators available to choose from for flights to Illinois.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Illinois.

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.