Cheap flights from Ohio to Illinois from $39
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ohio to Illinois departing on 8/21. 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 Ohio 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 Ohio is in April. Flight prices, which tend to average around $242, 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 September is also cheap. Prices for this month can be found on momondo for an average of $242.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Ohio to Illinois is on a Friday when prices can be found for as low as $526. Flights from Ohio to Illinois on a Sunday will generally be more expensive and average around $674. 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 Ohio to Illinois during this time can be as low as $490. Flights in the afternoon are often more expensive with an average ticket price of $949.
What is the cheapest Ohio to Illinois flight route?
Fly from Cleveland Hopkins Intl to Chicago O'Hare Intl for the best Ohio - 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 Ohio when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $298 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Ohio for as low as $189 on momondo.
What cabin class options are available on Ohio to Illinois flights?
There are 4 cabin classes available to choose from on Ohio 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 Ohio to Illinois?
Southwest, United Airlines, and American Airlines are the most popular carriers operating from Ohio to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Ohio according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 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 Ohio to Illinois on average per day?
369 flights are operational daily from Ohio to Illinois as of June 2025. The most popular departure time for this route is 2:00PM, with 43% of flights per day taking off in the afternoon.
How many flights depart from Ohio to Illinois on average per week?
2,587 flights are operational weekly from Ohio to Illinois as of June 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.
Cheap Ohio to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ohio to Illinois
When did momondo last update prices for flights from Ohio to Illinois?
Prices for flights from Ohio to Illinois are updated daily.
How many operators does momondo search for flights from Ohio to Illinois?
There are 6 operators available for flights from Ohio to Illinois as of June 2025.
How old do you have to be to fly from Ohio 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 Ohio 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 Ohio to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ohio to Illinois is Embraer 170 (10.13% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (9.22%), Boeing 737-800 (9.06%), and Boeing 737-700 (7.24%).
Best airlines flying from Ohio to Illinois
Compare and see reviews for airlines that fly from Ohio to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $100 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $119 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 6.3 8,060 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 8.0 7,963 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ohio to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ohio to Illinois. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ohio to Illinois with flexible booking policies on momondo?
Flights from Ohio 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 Ohio to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Ohio.
I’m not ready to book a flight from Ohio to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from Ohio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.