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.

Decatur.ر.ق.‏ 539 per passenger.Departing Thu, 26 Jun, returning Mon, 30 Jun.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 26 Jun, arriving in Decatur.Inbound direct flight with United departs from Decatur on Mon, 30 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From ر.ق.‏ 539, select.

Marion.ر.ق.‏ 605 per passenger.Departing Sat, 19 Jul, returning Mon, 21 Jul.Return flight with Contour Airlines.Outbound direct flight with Contour Airlines departs from Chicago O'Hare International on Sat, 19 Jul, arriving in Marion.Inbound direct flight with Contour Airlines departs from Marion on Mon, 21 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From ر.ق.‏ 605, select.

Peoria.ر.ق.‏ 655 per passenger.Departing Mon, 1 Sep, returning Thu, 11 Sep.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Mon, 1 Sep, arriving in Greater Peoria.Inbound direct flight with United departs from Greater Peoria on Thu, 11 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From ر.ق.‏ 655, select.

Moline.ر.ق.‏ 656 per passenger.Departing Mon, 21 Jul, returning Mon, 28 Jul.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Mon, 21 Jul, arriving in Moline.Inbound direct flight with United departs from Moline on Mon, 28 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From ر.ق.‏ 656, select.

Flying from Chicago to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	ر.ق.‏ 287, Marion
Cheapest month to fly	October
Average flight time	58 mins
Cheapest airport to fly from	Chicago O'Hare International
Most popular airline	American Airlines

How to find cheap flights from Chicago to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Chicago to Illinois. Other savvy travellers recently found return flights from ر.ق.‏ 539 and one-way tickets from ر.ق.‏ 289 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Chicago O'Hare International into Marion

At the moment, the lowest priced flight tickets to Illinois are from Chicago O'Hare International Airport to Marion Airport.

Fly in October

We crunched the flight calendar and found the cheapest time to fly from Chicago to Illinois is currently October.

Fly on a Tuesday

From our data, we can see that Tuesday seems to be the cheapest time to fly from Chicago to Illinois.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Chicago to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Chicago to Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Chicago to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Chicago to Illinois flight price?

We looked at all of the upcoming return flights from Chicago to Illinois we could find over the next 12 months. It looks like ر.ق.‏ 536 is the best price. This is good, compared to the average Illinois ticket price of ر.ق.‏ 774.

What is the cheapest month to fly from Chicago to Illinois?

The cheapest month to fly from Chicago to Moline Airport is usually July. The cheapest month to fly from Chicago to Greater Peoria Airport is usually September. The cheapest month to fly from Chicago to Marion Airport is usually July. And the cheapest month to fly from Chicago to Decatur Airport is usually June.