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$51+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
CLE — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Ohio to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Ohio (USOH) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find 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 November 20, 2024.

This Frontier deal was found by Cheapflights users on 11/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/910:33 amDTW - MDW
1 stop7h 49mFrontier
Mon 12/1612:36 pmMDW - DTW
1 stop7h 21mFrontier
Deal found 11/19$108
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/148:58 pmDTW - ORD
1 stop9h 32mSpirit Airlines
Wed 12/188:14 pmORD - DTW
1 stop11h 17mSpirit Airlines
Deal found 11/19$115
This Frontier deal was found by Cheapflights users on 11/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/910:34 amDTW - ORD
1 stop11h 36mFrontier
Mon 12/166:07 pmORD - DTW
1 stop12h 48mFrontier
Deal found 11/19$128
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/148:58 pmDTW - ORD
1 stop9h 32mMultiple Airlines
Sun 1/57:29 pmORD - DTW
1 stop11h 26mMultiple Airlines
Deal found 11/19$136
This Delta deal was found by Cheapflights users on 11/19. 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 12/177:55 pmDTW - ORD
Nonstop1h 33mDelta
Wed 12/188:35 amORD - DTW
Nonstop1h 23mDelta
Deal found 11/19$137
This Delta deal was found by Cheapflights users on 11/19. 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 12/174:45 pmDTW - MDW
Nonstop1h 16mDelta
Wed 12/189:30 amMDW - DTW
Nonstop1h 12mDelta
Deal found 11/19$137
This Southwest deal was found by Cheapflights users on 11/19. 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 12/146:55 amDTW - MDW
Nonstop1h 20mSouthwest
Wed 12/189:55 amMDW - DTW
Nonstop1h 10mSouthwest
Deal found 11/19$143
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/137:10 amPIT - ORD
Nonstop1h 40mUnited Airlines
Sun 12/159:05 pmORD - PIT
Nonstop1h 31mUnited Airlines
Deal found 11/19$147
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/137:25 amDTW - ORD
Nonstop1h 40mUnited Airlines
Sun 12/159:05 pmORD - DTW
Nonstop1h 24mUnited Airlines
Deal found 11/20$147
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/196:25 amPIT - ORD
Nonstop1h 55mAmerican Airlines
Wed 1/812:21 pmORD - PIT
Nonstop1h 32mAmerican Airlines
Deal found 11/19$152
This Priceline deal was found by Cheapflights users on 11/19. 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.
Wed 12/47:33 pmPIT - ORD
1 stop6h 01mMultiple Airlines
Thu 1/97:25 amORD - PIT
1 stop7h 16mMultiple Airlines
Deal found 11/19$153
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/102:15 pmCLE - ORD
Nonstop1h 30mUnited Airlines
Wed 12/1112:53 pmORD - CLE
Nonstop1h 24mUnited Airlines
Deal found 11/19$157

Find flights from Ohio to Illinois within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Mon 12/9

10:33 am-5:22 pm

1 stop7h 49m

Chicago Midway

Mon 12/16

12:36 pm-8:57 pm

1 stop7h 21m

$108

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 12/14

8:58 pm-5:30 am

1 stop9h 32m

Chicago O'Hare Intl

Wed 12/18

8:14 pm-8:31 am

1 stop11h 17m

$115

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Thu 1/23

12:48 pm-11:44 pm

1 stop11h 56m

Chicago O'Hare Intl

Sun 1/26

7:00 am-6:59 pm

1 stop10h 59m

$118

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Sat 1/11

5:16 pm-10:55 pm

1 stop6h 39m

Chicago O'Hare Intl

Mon 1/13

7:50 am-8:08 pm

1 stop11h 18m

$123

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Tue 12/17

6:00 am-6:35 am

Nonstop1h 35m

Chicago O'Hare Intl

Tue 12/24

9:12 pm-11:44 pm

Nonstop1h 32m

$137

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Tue 12/17

4:45 pm-5:01 pm

Nonstop1h 16m

Chicago Midway

Wed 12/18

9:30 am-11:42 am

Nonstop1h 12m

$137

DetroitChicago

DTW - ORD

DTWORD

Detroit Metropolitan Wayne County

Wed 12/25

4:15 pm-4:40 pm

Nonstop1h 25m

Chicago O'Hare Intl

Mon 1/6

6:55 am-9:28 am

Nonstop1h 33m

$142

DetroitChicago

DTW - MDW

DTWMDW

Detroit Metropolitan Wayne County

Sat 12/14

6:55 am-7:15 am

Nonstop1h 20m

Chicago Midway

Wed 12/18

9:55 am-12:05 pm

Nonstop1h 10m

$143

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Fri 12/13

7:10 am-7:50 am

Nonstop1h 40m

Chicago O'Hare Intl

Sun 12/15

9:05 pm-11:36 pm

Nonstop1h 31m

$147

PittsburghChicago

PIT - ORD

PITORD

Pittsburgh

Thu 12/19

6:25 am-7:20 am

Nonstop1h 55m

Chicago O'Hare Intl

Tue 1/7

6:15 pm-8:53 pm

Nonstop1h 38m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results
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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.

Travel insights for flights from Ohio to Illinois

Get recent, data-driven insights about flights from Ohio to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Ohio to Illinois (average of $232). Flying from Ohio to Illinois in June is currently the most expensive (average of $308). 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 November 20, 2024.

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

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 November 20, 2024.

The most flights from USOH to USIL are scheduled on a Wednesday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 November 20, 2024.
To help decide which airline to fly from Ohio to Illinois, see what other customers have to say about Spirit Airlines, American Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,394 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Overall

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $51. Spirit Airlines flights start at $58 while deals on Delta start at $69 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, September is the cheapest month in which you can book a flight from Ohio to Illinois (average of $232). Flying from Ohio to Illinois in June is currently the most expensive (average of $308). 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

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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.
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Top 6 airlines flying from Ohio to Illinois

Discover the top 6 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$147FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$107Average$331FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$116Average$337FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$134Average$199FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$151Average$326FlexibilityNo cancel feeOn-time63%
DeltaCheapest$156Average$390FlexibilityNo cancel feeOn-timeN/A
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