Cheap flights from Chicago O'Hare Intl Airport to Illinois from $44
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Illinois departing on 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Southwest flights from Chicago O'Hare Intl Airport to Illinois
Our best Southwest deals on Chicago O'Hare Intl Airport to Illinois flight tickets
Spirit Airlines flights from Chicago O'Hare Intl Airport to Illinois
Our best Spirit Airlines deals on Chicago O'Hare Intl Airport to Illinois flight tickets
See travel insights to Illinois from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest Chicago O'Hare Intl to Illinois flight route?
Fly from Chicago O'Hare Intl to Greater Peoria for the best Chicago O'Hare Intl - Illinois flight prices
What cabin class options are available on Chicago O'Hare Intl to Illinois flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Chicago O'Hare Intl Airport to Illinois on average per day?
82 flights are operational daily from Chicago O'Hare Intl Airport to Illinois as of April 2025. The most popular departure time for this route is 8:00PM, with 43% of flights per day taking off in the afternoon.
How many flights depart from Chicago O'Hare Intl Airport to Illinois on average per week?
As of April 2025, 578 flights take off from Chicago O'Hare Intl Airport and land in Illinois each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.
Cheap Chicago O'Hare Intl Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Illinois
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Illinois?
Prices for flights from Chicago O'Hare Intl Airport to Illinois are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Illinois?
There are 4 operators available for flights from Chicago O'Hare Intl Airport to Illinois as of April 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 from Chicago O'Hare Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Illinois is Canadair (Bombardier) Regional Jet (25.19% of total bookings). The next most popular plane models are Embraer 170 (11.85%), Canadair (Bombardier) Regional Jet 700 (9.63%), and Canadair (Bombardier) Regional Jet CRJ-550 (9.26%).
Best airlines flying from Chicago O'Hare Intl Airport to Illinois
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $179 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Illinois?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Illinois for you.
Can I find flights from Chicago to Illinois with flexible booking policies on momondo?
Flights from Chicago to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Illinois?
momondo provides multiple filters to help you find the best flight to Illinois from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.