Flights from Chicago to Illinois

Flight deals from Chicago to Illinois

Looking for cheap tickets from Chicago to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Flying from Chicago to Illinois

Arm yourself with these facts on the fly.
Cheapest flight foundRs17,410
Cheapest month to flyNovember
Average flight time1 hr, 13 mins
Cheapest airport to fly fromChicago O'Hare International
Most popular airlineAmerican Airlines

Frequently asked questions

We looked at all of the upcoming return flights from Chicago to Illinois we could find over the next 12 months. It looks like Rs40,410 is the best price. This is good, compared to the average Illinois ticket price of Rs61,033.
The cheapest month to fly from Chicago to Quincy Airport is usually October. The cheapest month to fly from Chicago to Springfield Airport is usually October. The cheapest month to fly from Chicago to Decatur Airport is usually December. And the cheapest month to fly from Chicago to Central Illinois Regional Airport is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Illinois on Friday, 31 October 2025.
Chicago O'Hare International Airport offers direct flights to Illinois.
If you're flying from Chicago, the cheapest city in Illinois to fly into is Marion. The cheapest airport serving Marion at the moment is Marion.
The average flight time between Chicago and Illinois is 1 hour and 13 minutes.