Flights from Chicago O'Hare International Airport to Illinois

Flight deals from Chicago O'Hare International Airport to Illinois

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

Decatur.RM625 per passenger.Departing Mon, 18 Aug, returning Mon, 25 Aug.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Mon, 18 Aug, arriving in Decatur.Inbound direct flight with United departs from Decatur on Mon, 25 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From RM625, select.

Moline.RM755 per passenger.Departing Thu, 7 Aug, returning Thu, 14 Aug.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 7 Aug, arriving in Moline.Inbound direct flight with United departs from Moline on Thu, 14 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From RM755, select.

Peoria.RM755 per passenger.Departing Tue, 19 Aug, returning Tue, 26 Aug.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Chicago O'Hare International on Tue, 19 Aug, arriving in Greater Peoria.Inbound direct flight with American Airlines departs from Greater Peoria on Tue, 26 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From RM755, select.

Champaign.RM1,243 per passenger.Departing Wed, 20 Aug, returning Wed, 27 Aug.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Chicago O'Hare International on Wed, 20 Aug, arriving in Champaign.Inbound direct flight with American Airlines departs from Champaign on Wed, 27 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From RM1,243, select.

Springfield.RM1,388 per passenger.Departing Wed, 20 Aug, returning Wed, 27 Aug.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Chicago O'Hare International on Wed, 20 Aug, arriving in Springfield.Inbound direct flight with American Airlines departs from Springfield on Wed, 27 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From RM1,388, select.

Bloomington.RM1,586 per passenger.Departing Mon, 18 Aug, returning Mon, 25 Aug.Return flight with American Airlines.Outbound direct flight with American Airlines departs from Chicago O'Hare International on Mon, 18 Aug, arriving in Central Illinois Regional.Inbound direct flight with American Airlines departs from Central Illinois Regional on Mon, 25 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From RM1,586, select.

Flying from Chicago O'Hare International Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	RM625, Decatur
Cheapest month to fly	August
Average flight time	1 hr, 11 mins
Average flights per week	542
Most popular airline	American Airlines

How to find cheap flights from Chicago O'Hare International Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Chicago O'Hare International Airport to Illinois. Other savvy travellers recently found return flights from RM625 and one-way tickets from RM390. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in August

The cheapest time to fly from Chicago O'Hare International Airport to Illinois is currently August.

Fly on a Sunday

From our data, we can see that Sunday seems to be the cheapest time to fly from Chicago O'Hare International Airport 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 O'Hare International Airport 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 O'Hare International Airport to your chosen airport in 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 O'Hare International Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Chicago O'Hare International Airport to Illinois?

Yes - direct flights currently operate from Chicago O'Hare International Airport to Decatur Airport, Moline Airport and Greater Peoria Airport in Illinois.

What is the average price of a flight from Chicago O'Hare International Airport to Illinois?

We looked at all of the upcoming return flights from Chicago O'Hare International Airport to Illinois we could find over the next 12 months. It looks like RM625 is the best price. This is good, compared to the average Illinois ticket price of RM970.

What is the cheapest month to fly from Chicago O'Hare International Airport to Illinois?

The cheapest month to fly from Chicago O'Hare International Airport to Decatur Airport is currently August.
The cheapest month to fly from Chicago O'Hare International Airport to Greater Peoria Airport is currently August.
The cheapest month to fly from Chicago O'Hare International Airport to Springfield Airport is currently August.
And the cheapest month to fly from Chicago O'Hare International Airport to Champaign Airport is usually August.

Which upcoming date is cheapest to fly from Chicago O'Hare International Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago O'Hare International Airport to Illinois on Monday, 18 August 2025.

If I'm flying from Chicago O'Hare International Airport, where in Illinois is cheapest to fly into?

If you're flying from Chicago O'Hare International, the cheapest city in Illinois to fly into is Decatur. The cheapest airport serving Decatur at the moment is Decatur.