Cheap flights from Cincinnati to Illinois from $81
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cincinnati to Illinois departing on 5/24. 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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How to get the cheapest flight ticket from Cincinnati 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 month to fly to Illinois?
The cheapest month to fly to Illinois from Cincinnati is in April. Flight prices, which tend to average around $204, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $218.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Cincinnati to Illinois is on a Friday when prices can be found for as low as $538. Flights from Cincinnati to Illinois on a Monday will generally be more expensive and average around $711. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Cincinnati to Illinois during this time can be as low as $497. Flights at noon are often more expensive with an average ticket price of $1,032.
What is the cheapest Cincinnati Cinci./N. Kentucky to Illinois flight route?
Fly from Cincinnati Cinci./N. Kentucky to Chicago O'Hare Intl for the best Cincinnati Cinci./N. Kentucky - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Cincinnati when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $290 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Cincinnati for as low as $187 on momondo.
What cabin class options are available on Cincinnati Cinci./N. Kentucky to Illinois flights?
There are 4 cabin classes available to choose from on Cincinnati Cinci./N. Kentucky to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Illinois?
Frontier, Southwest, and United Airlines are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Cincinnati according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Cincinnati to Illinois on average per day?
35 flights are operational daily from Cincinnati to Illinois as of April 2025. The most popular departure time for this route is 2:00PM, with 40% of flights per day taking off at noon.
How many flights depart from Cincinnati to Illinois on average per week?
As of April 2025, there are 251 flights per week flying from Cincinnati to Illinois. The most common day of the week flights depart is Wed, with 25% of flights taking off on this day.
Cheap Cincinnati to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cincinnati to Illinois
When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Illinois?
Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Illinois are updated daily.
How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Illinois?
There are 5 operators available for flights from Cincinnati Cinci./N. Kentucky Airport to Illinois as of April 2025.
How old do you have to be to fly from Cincinnati Cinci./N. Kentucky 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 Cincinnati Cinci./N. Kentucky Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Cincinnati to Illinois?
Based on momondo bookings for flights between Cincinnati and Illinois, the leading plane model is Embraer 170, making up 14.65% of the total bookings. Other popular models include Airbus A320-100/200 with 10.75%, Embraer 175 (Enhanced Winglets) with 10.07%, and Canadair (Bombardier) Regional Jet 700 with 5.48%.
Best airlines flying from Cincinnati to Illinois
Compare and see reviews for airlines that fly from Cincinnati to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $108 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 8.0 4,294 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Cincinnati 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 Cincinnati to Illinois for you.
Can I find flights from Cincinnati to Illinois with flexible booking policies on momondo?
Yes. All flights to Illinois from Cincinnati on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Cincinnati to Illinois?
momondo provides multiple filters to help you find the best flight to Illinois from Cincinnati. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Cincinnati to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Cincinnati. 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.