How many flights depart from Ohio to Illinois on average per day?

339 flights are operational daily from Ohio to Illinois as of September 2026. The most popular departure time for this route is 2:00PM, with 39% of flights per day taking off in the afternoon.

How long is the flight from Ohio to Illinois?

The flight from Ohio to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Dayton (a popular airport in Ohio) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 1h 28m on average. If you fly from Columbus (another popular airport in Ohio) to Chicago O'Hare Intl Airport, then the average flight time is 1h 31m.

What is the cheapest airline that flies from Ohio to Illinois?

Southwest, United Airlines, and Delta are the most popular carriers operating from Ohio to Illinois

How many flights depart from Ohio to Illinois on average per week?

2,377 flights are operational weekly from Ohio to Illinois as of September 2026. The most popular departure day for this route is Sun, with 18% of flights per week taking off on this day.

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 63% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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 5 operators available for flights from Ohio to Illinois as of September 2026.

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.

$59 Cheap Flights from Ohio to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ohio to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 pm - 9:45 pmCLE Cleveland Hopkins Intl-MDW Chicago Midway

4h 05m1 stop Nashville Intl

6:45 pm - 9:00 pmMDW Chicago Midway-CLE Cleveland Hopkins Intl

1h 15mnonstop

$127Southwest

Sat, Oct 17 - Mon, Oct 19

7:55 pm - 8:30 pmCLE Cleveland Hopkins Intl-MDW Chicago Midway

1h 35mnonstop

3:50 pm - 8:50 pmMDW Chicago Midway-CLE Cleveland Hopkins Intl

4h 00m1 stop Lambert-St Louis

$127Southwest

Thu, Nov 5 - Tue, Nov 10

9:59 pm - 7:31 amCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

10h 32m1 stop Orlando

8:46 am - 12:19 amORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

14h 33m1 stop Orlando

$128Frontier

Sat, Oct 17 - Tue, Oct 20

9:59 pm - 7:31 amCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

10h 32m1 stop Orlando

9:51 am - 12:36 pmORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

25h 45m1 stop Orlando

$130Frontier

Wed, Oct 21 - Wed, Oct 28

12:18 pm - 1:00 pmCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 42mnonstop

8:55 am - 11:40 amORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 45mnonstop

$144United Airlines

Tue, Dec 15 - Fri, Jan 8

2:15 pm - 2:54 pmCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 39mnonstop

9:00 am - 11:38 amORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 38mnonstop

$144United Airlines

Fri, Oct 30 - Sat, Oct 31

10:23 am - 11:10 amCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 47mnonstop

7:20 pm - 9:55 pmORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 35mnonstop

$144American Airlines

Thu, Oct 22 - Fri, Oct 23

5:12 am - 5:49 amCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 37mnonstop

7:20 pm - 9:55 pmORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 35mnonstop

$144American Airlines

Thu, Oct 15 - Fri, Oct 16

4:18 pm - 9:33 pmCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

6h 15m1 stop Minneapolis St Paul

5:42 pm - 11:05 pmORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

4h 23m1 stop Minneapolis St Paul

$157Delta

Sat, Nov 14 - Mon, Nov 16

4:10 pm - 8:15 pmCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

5h 05m1 stop Detroit Metropolitan Wayne County

12:34 pm - 7:14 pmORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

5h 40m1 stop Minneapolis St Paul

$157Delta

Sat, Dec 12 - Mon, Dec 14

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 11:51 amDTW Detroit Metropolitan Wayne County-ORD Chicago O'Hare Intl

5h 51m1 stop Atlanta Hartsfield-Jackson

6:30 am - 3:34 pmORD Chicago O'Hare Intl-DTW Detroit Metropolitan Wayne County

8h 04m1 stop Denver Intl

$268Frontier

Wed, Sep 23 - Tue, Oct 27

7:00 am - 6:23 pmDTW Detroit Metropolitan Wayne County-ORD Chicago O'Hare Intl

12h 23m1 stop Atlanta Hartsfield-Jackson

8:30 am - 6:41 pmORD Chicago O'Hare Intl-DTW Detroit Metropolitan Wayne County

9h 11m1 stop Dallas/Fort Worth

$269Frontier

Tue, Sep 22 - Tue, Oct 20

8:47 pm - 9:30 pmDTW Detroit Metropolitan Wayne County-ORD Chicago O'Hare Intl

1h 43mnonstop

6:59 am - 9:30 amORD Chicago O'Hare Intl-DTW Detroit Metropolitan Wayne County

1h 31mnonstop

$337American Airlines

Wed, Sep 23 - Tue, Oct 27

7:05 pm - 7:15 pmDTW Detroit Metropolitan Wayne County-MDW Chicago Midway

1h 10mnonstop

1:05 pm - 3:10 pmMDW Chicago Midway-DTW Detroit Metropolitan Wayne County

1h 05mnonstop

$337Southwest

Tue, Sep 22 - Tue, Oct 20

12:30 pm - 12:59 pmDTW Detroit Metropolitan Wayne County-ORD Chicago O'Hare Intl

1h 29mnonstop

5:29 pm - 8:00 pmORD Chicago O'Hare Intl-DTW Detroit Metropolitan Wayne County

1h 31mnonstop

$337Delta

Tue, Sep 22 - Tue, Oct 20

1:55 pm - 2:47 pmCAK Akron/Canton-ORD Chicago O'Hare Intl

1h 52mnonstop

10:29 am - 1:11 pmORD Chicago O'Hare Intl-CAK Akron/Canton

1h 42mnonstop

$338United Airlines

Wed, Sep 23 - Mon, Nov 23

7:30 am - 12:14 pmDTW Detroit Metropolitan Wayne County-ORD Chicago O'Hare Intl

5h 44m1 stop Charlotte Douglas

6:59 am - 9:30 amORD Chicago O'Hare Intl-DTW Detroit Metropolitan Wayne County

1h 31mnonstop

$347American Airlines

Wed, Sep 23 - Tue, Oct 27

8:45 am - 9:00 amDTW Detroit Metropolitan Wayne County-MDW Chicago Midway

1h 15mnonstop

4:45 pm - 10:35 pmMDW Chicago Midway-DTW Detroit Metropolitan Wayne County

4h 50m1 stop Baltimore/Washington

$347Southwest

Tue, Sep 22 - Tue, Oct 20

8:45 am - 9:34 amCAK Akron/Canton-ORD Chicago O'Hare Intl

1h 49mnonstop

5:55 pm - 8:41 pmORD Chicago O'Hare Intl-CAK Akron/Canton

1h 46mnonstop

$383United Airlines

Sat, Sep 26 - Mon, Sep 28

12:20 pm - 12:39 pmDTW Detroit Metropolitan Wayne County-MDW Chicago Midway

1h 19mnonstop

7:01 pm - 9:20 pmMDW Chicago Midway-DTW Detroit Metropolitan Wayne County

1h 19mnonstop

$460Delta

Tue, Sep 22 - Tue, Sep 22

Cheap direct flights

Enter your travel dates to find the best prices.

5:25 pm - 5:45 pmCLE Cleveland Hopkins Intl-MDW Chicago Midway

1h 20mnonstop

7:45 am - 10:00 amMDW Chicago Midway-CLE Cleveland Hopkins Intl

1h 15mnonstop

$144Southwest

Sat, Oct 17 - Mon, Oct 19

8:35 am - 8:55 amCLE Cleveland Hopkins Intl-MDW Chicago Midway

1h 20mnonstop

7:45 am - 10:00 amMDW Chicago Midway-CLE Cleveland Hopkins Intl

1h 15mnonstop

$144Southwest

Wed, Oct 28 - Fri, Oct 30

2:15 pm - 2:54 pmCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 39mnonstop

9:00 am - 11:38 amORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 38mnonstop

$144United Airlines

Fri, Oct 30 - Sat, Oct 31

6:06 pm - 6:45 pmCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 39mnonstop

7:15 am - 9:41 amORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 26mnonstop

$144United Airlines

Fri, Oct 23 - Mon, Oct 26

5:12 am - 5:49 amCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 37mnonstop

7:20 pm - 9:55 pmORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 35mnonstop

$144American Airlines

Thu, Oct 15 - Fri, Oct 16

8:44 pm - 9:30 pmCLE Cleveland Hopkins Intl-ORD Chicago O'Hare Intl

1h 46mnonstop

2:33 pm - 5:08 pmORD Chicago O'Hare Intl-CLE Cleveland Hopkins Intl

1h 35mnonstop

$144American Airlines

Fri, Oct 16 - Sat, Oct 17

7:10 am - 7:41 amDTW Detroit Metropolitan Wayne County-ORD Chicago O'Hare Intl

1h 31mnonstop

7:30 pm - 10:02 pmORD Chicago O'Hare Intl-DTW Detroit Metropolitan Wayne County

1h 32mnonstop

$221Delta

Fri, Oct 23 - Mon, Oct 26

7:10 am - 7:41 amDTW Detroit Metropolitan Wayne County-ORD Chicago O'Hare Intl

1h 31mnonstop

7:00 am - 9:30 amORD Chicago O'Hare Intl-DTW Detroit Metropolitan Wayne County

1h 30mnonstop

$221Delta

Fri, Oct 16 - Tue, Oct 20

6:26 pm - 7:16 pmDTW Detroit Metropolitan Wayne County-STL Lambert-St Louis

1h 50mnonstop

6:31 pm - 9:01 pmSTL Lambert-St Louis-DTW Detroit Metropolitan Wayne County

1h 30mnonstop

$290JetBlue

Mon, Dec 7 - Thu, Dec 10

7:06 am - 7:41 amDTW Detroit Metropolitan Wayne County-STL Lambert-St Louis

1h 35mnonstop

7:56 pm - 10:31 pmSTL Lambert-St Louis-DTW Detroit Metropolitan Wayne County

1h 35mnonstop

$325JetBlue

Tue, Oct 20 - Fri, Oct 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Frontier flights from Ohio to Illinois

Our best Frontier deals on Ohio to Illinois flight tickets

Frontier

Oct 17

CLE9:59 pmCleveland Hopkins Intl

10h 32m

1 stop

ORD7:31 amChicago O'Hare Intl

Oct 20

ORD8:46 amChicago O'Hare Intl

14h 33m

1 stop

CLE12:19 amCleveland Hopkins Intl

$128

Frontier

Oct 30

CLE9:59 pmCleveland Hopkins Intl

11h 47m

1 stop

ORD8:46 amChicago O'Hare Intl

Nov 14

ORD7:15 amChicago O'Hare Intl

5h 19m

1 stop

CLE1:34 pmCleveland Hopkins Intl

$135

Frontier

Oct 10

CLE1:20 pmCleveland Hopkins Intl

19h 11m

1 stop

ORD7:31 amChicago O'Hare Intl

Oct 12

ORD8:11 pmChicago O'Hare Intl

11h 46m

1 stop

CLE8:57 amCleveland Hopkins Intl

$136

United Airlines flights from Ohio to Illinois

Our best United Airlines deals on Ohio to Illinois flight tickets

United Airlines

Oct 16

CLE7:00 amCleveland Hopkins Intl

1h 37m

ORD7:37 amChicago O'Hare Intl

Oct 20

ORD7:15 amChicago O'Hare Intl

1h 26m

CLE9:41 amCleveland Hopkins Intl

$144

United Airlines

Oct 15

CLE5:20 amCleveland Hopkins Intl

1h 37m

ORD5:57 amChicago O'Hare Intl

Oct 19

ORD8:05 pmChicago O'Hare Intl

1h 31m

CLE10:36 pmCleveland Hopkins Intl

$206

United Airlines

Oct 17

CLE7:45 pmCleveland Hopkins Intl

1h 44m

ORD8:29 pmChicago O'Hare Intl

Oct 24

ORD4:00 pmChicago O'Hare Intl

1h 33m

CLE6:33 pmCleveland Hopkins Intl

$207

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ClevelandChicago

CLE Cleveland Hopkins Intl - MDW Chicago Midway

CLEMDW

Cleveland Hopkins Intl

Sat 10/17

6:40 pm-9:45 pm

1 stop4h 05m

Chicago Midway

Mon 10/19

6:45 pm-9:00 pm

Nonstop1h 15m

$127

ClevelandChicago

CLE Cleveland Hopkins Intl - MDW Chicago Midway

CLEMDW

Cleveland Hopkins Intl

Thu 11/5

7:55 pm-8:30 pm

Nonstop1h 35m

Chicago Midway

Tue 11/10

3:50 pm-8:50 pm

1 stop4h 00m

$127

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Sat 10/17

9:59 pm-7:31 am

1 stop10h 32m

Chicago O'Hare Intl

Tue 10/20

8:46 am-12:19 am

1 stop14h 33m

$128

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Wed 10/21

9:59 pm-7:31 am

1 stop10h 32m

Chicago O'Hare Intl

Wed 10/28

9:51 am-12:36 pm

1 stop25h 45m

$130

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Tue 12/15

12:18 pm-1:00 pm

Nonstop1h 42m

Chicago O'Hare Intl

Fri 1/8

8:55 am-11:40 am

Nonstop1h 45m

$144

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Fri 10/30

2:15 pm-2:54 pm

Nonstop1h 39m

Chicago O'Hare Intl

Sat 10/31

9:00 am-11:38 am

Nonstop1h 38m

$144

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Thu 10/22

10:23 am-11:10 am

Nonstop1h 47m

Chicago O'Hare Intl

Fri 10/23

7:20 pm-9:55 pm

Nonstop1h 35m

$144

Quickest round-trip

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Thu 10/15

5:12 am-5:49 am

Nonstop1h 37m

Chicago O'Hare Intl

Fri 10/16

7:20 pm-9:55 pm

Nonstop1h 35m

$144

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Sat 11/14

4:18 pm-9:33 pm

1 stop6h 15m

Chicago O'Hare Intl

Mon 11/16

5:42 pm-11:05 pm

1 stop4h 23m

$157

ClevelandChicago

CLE Cleveland Hopkins Intl - ORD Chicago O'Hare Intl

CLEORD

Cleveland Hopkins Intl

Sat 12/12

4:10 pm-8:15 pm

1 stop5h 05m

Chicago O'Hare Intl

Mon 12/14

12:34 pm-7:14 pm

1 stop5h 40m

$157

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $278, 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 December is also cheap. Prices for this month can be found on momondo for an average of $281.

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 $458. Flights from Ohio to Illinois on a Sunday will generally be more expensive and average around $638. 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 $475. Flights at noon are often more expensive with an average ticket price of $732.

What is the cheapest Ohio to Illinois flight route?

Fly from Cleveland Hopkins Intl to Chicago Midway for the best Ohio - Illinois flight prices

How far in advance should I book a flight from Ohio to Illinois?

You are more likely to see cheaper flights to Illinois from Ohio when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $322 when searching 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 $198 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.

Can stopping save me money on Ohio to Illinois flights?

No. A direct flight is the cheapest option for a flight between Ohio to Illinois.

Cheap Ohio to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ohio to Illinois

Best Price Found	$59
Fastest flight time	1h 05m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Ohio in the past 72 hours is $59. The best round-trip flight deal from Ohio to Illinois found on momondo in the last 72 hours is $127.

The fastest flight from Ohio to Illinois takes 1h 05m

Direct flights go from Ohio to Illinois every day.

There are 98 airports in Illinois. From Ohio there are direct flights to Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying 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 5 operators available for flights from Ohio to Illinois as of September 2026.
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 175 (Enhanced Winglets) (11.36% of total bookings). The next most popular plane models are Boeing 737-800 (10.22%), Embraer 175 (9.39%), and Embraer 170 (8.65%).

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
American Airlines	PriceFrom $117	Free Cancellation	Rating 7.0 12,072 reviews	Search American Airlines flights
United Airlines	PriceFrom $131	Free Cancellation	Rating 7.4 10,224 reviews	Search United Airlines flights
Southwest	PriceFrom $134	Free Cancellation	Rating 8.0 4,193 reviews	Search Southwest flights
Frontier	PriceFrom $146	Free Cancellation	Rating 5.6 2,588 reviews	Search Frontier flights

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.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 10/21

Wed 10/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities

Other flights from Ohio

Other flights to Illinois

Airlines

Complete your trip

Feeling lucky

Popular cities in Illinois

Flights to New Yorkfrom $69

Flights to Los Angelesfrom $38

Flights to Orlandofrom $48

Flights to Miamifrom $50

Flights to San Franciscofrom $43

Flights to Chicagofrom $50

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $38

Flights to Fort Lauderdalefrom $38

Flights to Bostonfrom $106

Flights to Atlantafrom $38

Flights to Dallasfrom $59

Cheap flights from Ohio to Illinois from $59

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 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ohio to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from Ohio to Illinois

Our best Frontier deals on Ohio to Illinois flight tickets

United Airlines flights from Ohio to Illinois

Our best United Airlines deals on Ohio to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Ohio to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Ohio to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Ohio to Illinois flight route?

How far in advance should I book a flight from Ohio to Illinois?

What cabin class options are available on Ohio to Illinois flights?

Can stopping save me money on Ohio to Illinois flights?

What is the cheapest airline that flies from Ohio to Illinois?

What airlines fly to Illinois?

How many flights depart from Ohio to Illinois on average per day?

How many flights depart from Ohio to Illinois on average per week?

How long is the flight from Ohio to Illinois?

Cheap Ohio to Illinois flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Ohio to Illinois

Best airlines flying from Ohio to Illinois

Compare and see reviews for airlines that fly from Ohio to Illinois with momondo

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Ohio flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Illinois

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Illinois

Explore popular destinations other users love

According to popular flight searches on momondo this year