Cheap flights from Illinois to Chicago from $49
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Chicago departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Southern / Mokulele flights from Illinois to Chicago
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How to get the cheapest flight ticket from Illinois to Chicago
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 day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $399. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Chicago for around $553.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Illinois to Chicago during this time can be as low as $430. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $518.
What is the cheapest Illinois to Chicago flight route?
Fly from Moline Quad-City to Chicago O'Hare Intl for the best Illinois - Chicago flight prices
What cabin class options are available on Illinois to Chicago flights?
There are 4 cabin classes available to choose from on Illinois to Chicago 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 Illinois to Chicago on average per day?
As of June 2025, there are 107 flights per day flying from Illinois to Chicago. The most common time of day flights depart is 6:00AM, with 48% of flights taking off at noon.
How many flights depart from Illinois to Chicago on average per week?
As of June 2025, there are 749 flights per week flying from Illinois to Chicago. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.
Cheap Illinois to Chicago flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Chicago
When did momondo last update prices for flights from Illinois to Chicago?
Prices for flights from Illinois to Chicago are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Chicago?
As of June 2025, there are 5 operators available to choose from for flights from Illinois to Chicago.
How old do you have to be to fly from Illinois to Chicago?
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 Illinois to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago 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 Chicago. 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 Illinois to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Chicago is Canadair (Bombardier) Regional Jet, representing 12.25% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 11.73%, Airbus A319 at 11.73%, and Airbus A320-100/200 at 11.59%.
Best airlines flying from Illinois to Chicago
Compare and see reviews for airlines that fly from Illinois to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $179 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Chicago?
It is quick and easy to find Illinois to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.
Can I find flights from Illinois to Chicago with flexible booking policies on momondo?
momondo does allow users to show only those flights to Chicago from Illinois which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Illinois to Chicago?
Once all potential Illinois to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Illinois to Chicago right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chicago from Illinois. 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.