Illinois

$69+ Cheap flights from Ohio to Illinois

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ORD
Jul 11 — Jul 181
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Cheap flight deals from Ohio to Illinois

Cheapest flights from Ohio to Illinois
Explore the most affordable flight options available from Ohio to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Southwest deal was found by Cheapflights users on 6/10. 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 7/83:50 pm
DTW
-
MDW
1 stop6h 50m
Southwest
Wed 7/157:45 am
MDW
-
DTW
Nonstop1h 15m
Southwest
Deal found 6/10$167
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 9/56:08 pm
CLE
-
ORD
Nonstop1h 40m
United Airlines
Mon 9/77:20 am
ORD
-
CLE
Nonstop1h 30m
United Airlines
Deal found 6/9$176
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 8/45:25 pm
CLE
-
MDW
Nonstop1h 15m
Southwest
Wed 8/58:35 am
MDW
-
CLE
Nonstop1h 25m
Southwest
Deal found 6/10$177
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/216:49 am
CLE
-
ORD
Nonstop1h 36m
American Airlines
Tue 11/33:57 pm
ORD
-
CLE
Nonstop1h 26m
American Airlines
Deal found 6/10$177
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 10/2012:15 pm
DTW
-
ORD
Nonstop1h 22m
Delta
Tue 10/277:05 am
ORD
-
DTW
Nonstop1h 25m
Delta
Deal found 6/11$177
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 9/57:52 pm
PIT
-
ORD
Nonstop1h 52m
United Airlines
Tue 9/89:30 pm
ORD
-
PIT
Nonstop1h 45m
United Airlines
Deal found 6/11$178
This Southwest deal was found by Cheapflights users on 6/8. 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 8/127:05 pm
DTW
-
MDW
Nonstop1h 10m
Southwest
Wed 8/198:35 am
MDW
-
DTW
Nonstop1h 20m
Southwest
Deal found 6/8$178
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:53 am
PIT
-
ORD
1 stop8h 22m
JetBlue
Fri 7/245:27 pm
ORD
-
PIT
1 stop5h 19m
JetBlue
Deal found 6/9$179
This Southwest deal was found by Cheapflights users on 6/8. 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 10/217:15 pm
CLE
-
MDW
Nonstop1h 20m
Southwest
Tue 11/31:55 pm
MDW
-
CLE
Nonstop1h 15m
Southwest
Deal found 6/8$179
This Super.com deal was found by Cheapflights users on 6/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:53 am
PIT
-
ORD
1 stop8h 22m
JetBlue
Wed 8/510:56 am
ORD
-
PIT
1 stop7h 52m
JetBlue
Deal found 6/8$180
This Super.com deal was found by Cheapflights users on 6/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:53 am
PIT
-
ORD
1 stop8h 22m
JetBlue
Tue 7/2110:56 am
ORD
-
PIT
1 stop7h 52m
JetBlue
Deal found 6/10$182
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 9/58:59 pm
PIT
-
ORD
Nonstop2h 01m
American Airlines
Tue 9/87:00 pm
ORD
-
PIT
Nonstop1h 44m
American Airlines
Deal found 6/8$184

Find flight deals from Ohio to Illinois

Keep the following information in mind while searching for Ohio to Illinois flight deals. Data was last updated June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$167
(Southwest)

One-way from

$69
(Southwest)

Popular in

January

Cheapest in

August

Average price

$277

Good round-trip deal

$241 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Cleveland Hopkins Intl-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Cleveland Hopkins Intl-Chicago (CHI) flights.
From Ohio to Illinois
One-way flight from Ohio to Illinois
Highest demand for flights based on searches. 8% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Ohio to Illinois.
Price to beat on a one-way flight from Ohio to Illinois.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ohio to Illinois 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 11, 2026.
Use the filters below to find and compare flights from Ohio to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Wed 7/8

6:40 am-11:00 am

1 stop5h 20m

Chicago Midway

Wed 7/15

5:20 pm-10:30 pm

1 stop4h 10m

$177

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Sat 9/5

6:45 am-12:59 pm

1 stop7h 14m

Chicago O'Hare Intl

Tue 9/8

10:56 am-7:23 pm

1 stop7h 27m

$187

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Wed 8/12

3:35 pm-8:10 pm

2 stops5h 35m

Chicago Midway

Wed 8/19

8:35 am-10:55 am

Nonstop1h 20m

$192

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Tue 11/10

5:55 pm-8:24 pm

1 stop3h 29m

Chicago O'Hare Intl

Wed 11/11

8:55 am-3:18 pm

1 stop5h 23m

$195

PittsburghChicago

PIT - MDW

PITMDW

Pittsburgh

Sat 9/5

4:55 pm-10:36 pm

1 stop6h 41m

Chicago Midway

Tue 9/8

9:30 am-3:24 pm

1 stop4h 54m

$197
Quickest round-trip

ClevelandChicago

CLE - MDW

CLEMDW

Cleveland Hopkins Intl

Wed 8/12

5:25 pm-5:40 pm

Nonstop1h 15m

Chicago Midway

Sat 8/15

7:40 am-9:55 am

Nonstop1h 15m

$197

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Thu 8/20

3:50 pm-4:17 pm

Nonstop1h 27m

Chicago O'Hare Intl

Sat 8/22

7:00 am-9:27 am

Nonstop1h 27m

$215

ClevelandChicago

CLE - ORD

CLEORD

Cleveland Hopkins Intl

Wed 8/12

3:49 pm-8:30 pm

1 stop5h 41m

Chicago O'Hare Intl

Sat 8/15

7:00 am-1:40 pm

1 stop5h 40m

$216

ClevelandChicago

CLE - MDW

CLEMDW

Cleveland Hopkins Intl

Thu 8/6

3:50 pm-9:00 pm

1 stop6h 10m

Chicago Midway

Mon 8/10

4:25 pm-6:40 pm

Nonstop1h 15m

$225

ClevelandChicago

CLE - ORD

CLEORD

Cleveland Hopkins Intl

Wed 7/22

6:00 am-6:40 am

Nonstop1h 40m

Chicago O'Hare Intl

Wed 7/22

2:20 pm-4:54 pm

Nonstop1h 34m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ohio to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Ohio 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 Ohio to Illinois

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

Currently, December is the cheapest month in which you can book a flight from Ohio to Illinois (average of $55). Flying from Ohio to Illinois in July is currently the most expensive (average of $673). 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 OH to IL?

Find hourly flight availability from Ohio to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% on flights from Ohio to Illinois by exploring options for tickets in the morning.

Weekly flight availability from Ohio to Illinois

Explore weekly flight availability from Ohio to Illinois. 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 11, 2026.

The most flights from USOH to USIL are scheduled on a Thursday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost to fly round-trip from Ohio to Illinois?

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

The best time to book flights from Ohio to Illinois is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Ohio to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Ohio to Illinois. Price data was last updated on June 8, 2026.

Travelers seeking maximum savings on their Ohio to Illinois flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 11, 2026.
Read through reviews of airlines operating flights from Ohio to Illinois, such as Southwest,United Airlines, andAmerican Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Ohio to Illinois. 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 Ohio to Illinois?

    There are many flights that can get you from Ohio to Illinois in 1h 40m. Fly via Southwest, Delta, or United Airlines to get the fastest option. There are 315 mi between Ohio and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $48. American Airlines flights start at $58 while deals on Frontier start at $75 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ohio to Illinois 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 Ohio to Illinois?

    Currently, December is the cheapest month in which you can book a flight from Ohio to Illinois (average of $55). Flying from Ohio to Illinois in July is currently the most expensive (average of $673). 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 Ohio to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ohio to Illinois

Discover the top 4 airlines that operate flights from Ohio to Illinois. 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$107Average$208FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$127Average$302FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$127Average$281FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$131Average$324FlexibilityNo cancel feeOn-time69%

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