HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ohio

$28+ Cheap flights from Illinois to Ohio

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CVG
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Ohio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Ohio

Keep the following information in mind while searching for Illinois to Ohio flight deals. Data was last updated June 30, 2025.

Round-trip from

$60
(Priceline)

One-way from

$28
(FlightHub)

Popular in

January

Cheapest in

September

Average price

$308

Good round-trip deal

$220 or less

Good one-way deal

$118 or less
From Illinois to Ohio
Search Deals
One-way flight from Illinois to Ohio
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Ohio.
Search Deals
Price to beat on a one-way flight from Illinois to Ohio.
Search Deals

Find flight deals from Illinois to Ohio

Cheapest flights from Illinois to Ohio
Explore the most affordable flight options available from Illinois to Ohio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Priceline deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/222:30 pmSTL - DTW
Nonstop1h 30mSpirit Airlines
Sun 8/241:00 pmDTW - STL
Nonstop1h 32mSpirit Airlines
Deal found 6/30$60
This Priceline deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/110:47 amSTL - DTW
Nonstop1h 29mMultiple Airlines
Sun 8/39:36 amDTW - STL
1 stop4h 58mMultiple Airlines
Deal found 6/30$80
This Southwest deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:20 pmSTL - DTW
Nonstop1h 30mSouthwest
Mon 9/228:55 amDTW - STL
Nonstop1h 35mSouthwest
Deal found 6/28$119
This Priceline deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:01 amORD - CVG
1 stop8h 20mFrontier
Thu 8/146:00 amCVG - ORD
1 stop8h 56mFrontier
Deal found 6/29$120
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:20 pmORD - DTW
Nonstop1h 27mDelta
Mon 8/47:30 amDTW - ORD
Nonstop1h 19mDelta
Deal found 6/28$134
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:50 pmMDW - DTW
Nonstop1h 10mSouthwest
Mon 8/45:15 amDTW - MDW
1 stop4h 40mSouthwest
Deal found 6/29$134
This SmartFares deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:36 pmORD - DTW
1 stop6h 53mSpirit Airlines
Tue 8/1912:00 pmDTW - ORD
1 stop8h 42mSpirit Airlines
Deal found 6/29$135
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:40 amSTL - DTW
Nonstop1h 33mDelta
Sun 8/248:55 amDTW - STL
Nonstop1h 37mDelta
Deal found 6/28$135
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:53 pmMDW - DTW
Nonstop1h 14mDelta
Mon 8/46:24 pmDTW - MDW
Nonstop1h 16mDelta
Deal found 6/28$136
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:45 pmMDW - CVG
Nonstop1h 10mSouthwest
Thu 8/146:40 amCVG - MDW
Nonstop1h 10mSouthwest
Deal found 6/29$137
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/68:47 amORD - CVG
Nonstop1h 27mAmerican Airlines
Wed 8/136:00 amCVG - ORD
Nonstop1h 33mAmerican Airlines
Deal found 6/28$137
This Priceline deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/295:10 amORD - DTW
1 stop9h 02mFrontier
Mon 9/14:08 pmDTW - ORD
1 stop8h 46mFrontier
Deal found 6/28$139

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Ohio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
Use the filters below to find and compare flights from Illinois to Ohio that are best for you.

Fly from

Illinois

Fly to

Ohio

Route

Depart

Return

Price

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 8/22

2:30 pm-5:00 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Sun 8/24

1:00 pm-1:32 pm

Nonstop1h 32m

$60

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Fri 8/1

10:47 am-1:16 pm

Nonstop1h 29m

Detroit Metropolitan Wayne County

Sun 8/3

9:36 am-1:34 pm

1 stop4h 58m

$80

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Thu 9/18

7:20 pm-9:50 pm

Nonstop1h 30m

Detroit Metropolitan Wayne County

Mon 9/22

8:55 am-9:30 am

Nonstop1h 35m

$119

ChicagoCincinnati

ORD - CVG

ORDCVG

Chicago O'Hare Intl

Mon 8/11

5:01 am-2:21 pm

1 stop8h 20m

Cincinnati Cinci./N. Kentucky

Thu 8/14

6:00 am-1:56 pm

1 stop8h 56m

$120

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Sat 8/2

5:20 pm-7:47 pm

Nonstop1h 27m

Detroit Metropolitan Wayne County

Mon 8/4

7:30 am-7:49 am

Nonstop1h 19m

$134

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Thu 7/31

5:50 pm-8:00 pm

Nonstop1h 10m

Detroit Metropolitan Wayne County

Mon 8/4

5:15 am-8:55 am

1 stop4h 40m

$134

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Tue 8/12

4:36 pm-12:29 am

1 stop6h 53m

Detroit Metropolitan Wayne County

Tue 8/19

12:00 pm-7:42 pm

1 stop8h 42m

$135

St. LouisDetroit

STL - DTW

STLDTW

Lambert-St Louis

Sat 8/23

6:40 am-9:13 am

Nonstop1h 33m

Detroit Metropolitan Wayne County

Sun 8/24

8:55 am-9:32 am

Nonstop1h 37m

$135

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Sat 8/2

5:53 pm-8:07 pm

Nonstop1h 14m

Detroit Metropolitan Wayne County

Mon 8/4

6:24 pm-6:40 pm

Nonstop1h 16m

$136

ChicagoCincinnati

ORD - CVG

ORDCVG

Chicago O'Hare Intl

Wed 8/6

4:18 pm-6:38 pm

Nonstop1h 20m

Cincinnati Cinci./N. Kentucky

Wed 8/13

6:00 am-6:33 am

Nonstop1h 33m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to Ohio

Have a flexible travel schedule? Discover the best time to fly to Ohio from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Ohio

What is the cheapest month to book a flight from Illinois to Ohio?

Currently, August is the cheapest month in which you can book a flight from Illinois to Ohio (average of $239). Flying from Illinois to Ohio in March is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to OH?

Find hourly flight availability from Illinois to Ohio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Ohio as you normally would.

Weekly flight availability from Illinois to Ohio

Explore weekly flight availability from Illinois to Ohio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 30, 2025.

The most flights from USIL to USOH are scheduled on a Monday (71 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Reviews of airlines servicing Ohio

Get insights into the airlines that provide service to Ohio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ohio. Reviews last updated June 30, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Illinois to Ohio. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,920 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Ohio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Illinois to Ohio one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $28. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Illinois to Ohio for a low price.

  • Can I find deals for flights from Illinois to Ohio that include hotel bookings?

    Yes. In addition to deals on Illinois to Ohio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Ohio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Ohio.

  • Can I find deals for business class flights from Illinois to Ohio?

    Yes. Cheapflights offers flight deals from Illinois to Ohio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Ohio?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Ohio (average of $239). Flying from Illinois to Ohio in March is currently the most expensive (average of $292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Ohio

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Seattle flights
Los Angeles to John F Kennedy Intl flights
Los Angeles to Seattle flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
Los Angeles to Newark flights
John F Kennedy Intl to Atlanta flights
Atlanta to John F Kennedy Intl flights
LaGuardia to Dallas/Fort Worth flights
Newark to Fort Lauderdale flights
San Francisco to John F Kennedy Intl flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to Seattle flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to Miami flights
Los Angeles to Honolulu flights
Newark to Miami flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Dallas/Fort Worth flights
Atlanta to LaGuardia flights
Newark to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
LaGuardia to Atlanta flights
Newark to Atlanta flights
San Francisco to Las Vegas flights
Newark to Seattle flights
LaGuardia to Fort Lauderdale flights
Dallas/Fort Worth to Denver flights
Ontario to Seattle flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to John F Kennedy Intl flights
Seattle to Los Angeles flights
LaGuardia to Orlando flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Miami flights
O'Hare Intl to LaGuardia flights
Los Angeles to San Francisco flights
Los Angeles to O'Hare Intl flights
Atlanta to Newark flights
O'Hare Intl to Newark flights
Dallas/Fort Worth to Orlando flights
Newark to Orlando flights
John F Kennedy Intl to Dallas/Fort Worth flights

Top 4 airlines flying from Illinois to Ohio

Discover the top 4 airlines that operate flights from Illinois to Ohio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$137FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$112Average$356FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$153Average$336FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$172Average$321FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.