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$49+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CVG
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$97
(United Airlines)

One-way from

$49
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$312

Good round-trip deal

$179 or less

Good one-way deal

$93 or less
From Illinois to Ohio
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One-way flight from Illinois to Ohio
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Highest demand for flights based on searches. 12% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Ohio.
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Price to beat on a one-way flight from Illinois to Ohio.
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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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:35 amORD - PIT
Nonstop1h 30mUnited Airlines
Wed 10/225:56 pmPIT - ORD
Nonstop1h 44mUnited Airlines
Deal found 9/15$97
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/165:11 pmORD - PIT
Nonstop1h 30mAmerican Airlines
Mon 10/208:31 pmPIT - ORD
Nonstop1h 43mAmerican Airlines
Deal found 9/16$98
This Southwest deal was found by Cheapflights users on 9/15. 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 10/209:25 pmMDW - DTW
Nonstop1h 10mSouthwest
Tue 10/217:25 pmDTW - MDW
1 stop3h 40mSouthwest
Deal found 9/15$107
This Southwest deal was found by Cheapflights users on 9/15. 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 10/279:25 pmMDW - DTW
Nonstop1h 10mSouthwest
Wed 10/291:30 pmDTW - MDW
2 stops6h 40mSouthwest
Deal found 9/15$112
This Southwest deal was found by Cheapflights users on 9/15. 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 10/272:50 pmORD - DTW
1 stop6h 20mSouthwest
Wed 10/295:50 amDTW - ORD
1 stop7h 00mSouthwest
Deal found 9/15$117
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 10/153:10 pmORD - PIT
1 stop5h 20mSouthwest
Wed 10/225:50 amPIT - ORD
1 stop7h 00mSouthwest
Deal found 9/15$117
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/181:30 pmORD - PIT
1 stop7h 20mSouthwest
Tue 10/215:50 amPIT - ORD
1 stop7h 00mSouthwest
Deal found 9/16$122
This Southwest deal was found by Cheapflights users on 9/16. 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.
Wed 10/151:50 pmORD - DTW
1 stop7h 55mSouthwest
Wed 10/226:15 amDTW - ORD
1 stop7h 30mSouthwest
Deal found 9/16$128
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:25 pmORD - DTW
Nonstop1h 26mUnited Airlines
Mon 10/134:20 pmDTW - ORD
Nonstop1h 33mUnited Airlines
Deal found 9/14$134
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 10/246:23 pmMDW - DTW
Nonstop1h 12mDelta
Mon 10/276:04 pmDTW - MDW
Nonstop1h 21mDelta
Deal found 9/16$134
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:06 pmMDW - DTW
1 stop17h 10mMultiple Airlines
Wed 11/58:00 amDTW - MDW
1 stop5h 41mMultiple Airlines
Deal found 9/14$135
This SmartFares deal was found by Cheapflights users on 9/15. 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.
Thu 10/309:23 amORD - DTW
1 stop8h 10mFrontier
Thu 11/66:55 pmDTW - ORD
1 stop5h 33mFrontier
Deal found 9/15$138

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 September 16, 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

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Mon 11/3

10:00 am-12:20 pm

Nonstop1h 20m

Detroit Metropolitan Wayne County

Sat 11/8

6:35 am-11:45 am

1 stop6h 10m

$107

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Mon 10/20

5:50 am-12:30 pm

1 stop5h 40m

Detroit Metropolitan Wayne County

Tue 10/21

6:45 pm-6:55 pm

Nonstop1h 10m

$107

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Wed 10/29

10:00 am-12:05 pm

Nonstop1h 05m

Detroit Metropolitan Wayne County

Wed 10/29

1:30 pm-7:10 pm

2 stops6h 40m

$112

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Wed 10/15

6:10 am-12:40 pm

1 stop5h 30m

Detroit Metropolitan Wayne County

Wed 10/22

5:35 pm-10:25 pm

1 stop5h 50m

$117

ChicagoDetroit

MDW - DTW

MDWDTW

Chicago Midway

Tue 11/11

6:40 am-12:25 pm

1 stop4h 45m

Detroit Metropolitan Wayne County

Wed 11/12

6:10 am-9:55 am

1 stop4h 45m

$117

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Wed 10/15

1:50 pm-10:45 pm

1 stop7h 55m

Detroit Metropolitan Wayne County

Wed 10/22

6:15 am-12:45 pm

1 stop7h 30m

$128

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Fri 10/24

6:59 pm-9:31 pm

Nonstop1h 32m

Detroit Metropolitan Wayne County

Mon 10/27

5:51 pm-6:14 pm

Nonstop1h 23m

$134

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Fri 10/10

1:00 pm-3:33 pm

Nonstop1h 33m

Detroit Metropolitan Wayne County

Sat 10/11

7:00 am-7:27 am

Nonstop1h 27m

$134

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Fri 11/7

7:10 am-9:29 am

Nonstop1h 19m

Detroit Metropolitan Wayne County

Sat 11/8

8:00 pm-8:23 pm

Nonstop1h 23m

$134

ChicagoDetroit

ORD - DTW

ORDDTW

Chicago O'Hare Intl

Thu 10/16

1:00 pm-3:33 pm

Nonstop1h 33m

Detroit Metropolitan Wayne County

Fri 10/17

7:00 am-7:27 am

Nonstop1h 27m

$134

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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 September 16, 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 September 16, 2025.

The most flights from USIL to USOH are scheduled on a Monday (69 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (50 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 September 16, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American 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
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Illinois to Ohio?

    There are many flights that can get you from Illinois to Ohio in 1h 20m. Fly via Southwest, Delta, or Frontier to get the fastest option. The distance from Illinois to Ohio is about 227 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from United Airlines and Frontier, 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

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Alternative routes for Illinois to Ohio

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$184FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$127Average$353FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$145Average$304FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$164Average$329FlexibilityNo cancel feeOn-time69%

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