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$74+ Cheap flights from Columbus (CMH) 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ORD
Jul 28 — Aug 41
Mon 7/28
Mon 8/4
1 adult, Economy
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Cheap flight deals from Columbus to Illinois

Keep the following information in mind while searching for Columbus to Illinois flight deals. Data was last updated July 23, 2025.

Round-trip from

$142
(Southwest)

One-way from

$74
(Southwest)

Popular in

December

Cheapest in

August

Average price

$323

Good round-trip deal

$207 or less

Good one-way deal

$179 or less
From Columbus to Illinois
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One-way flight from Columbus to Illinois
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Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Columbus to Illinois.
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Price to beat on a one-way flight from Columbus to Illinois.
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Find flight deals from Columbus to Illinois

Cheapest flights from Columbus to Illinois
Explore the most affordable flight options available from Columbus to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.

This Southwest deal was found by Cheapflights users on 7/22. 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 8/146:50 pmCMH - MDW
Nonstop1h 15mSouthwest
Mon 8/186:30 amMDW - CMH
2 stops7h 15mSouthwest
Deal found 7/22$142
This Southwest deal was found by Cheapflights users on 7/22. 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 8/126:00 amCMH - ORD
1 stop6h 50mSouthwest
Wed 8/131:50 pmORD - CMH
1 stop6h 00mSouthwest
Deal found 7/22$147
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/2711:14 amCMH - ORD
Nonstop1h 34mAmerican Airlines
Sun 8/312:59 pmORD - CMH
Nonstop1h 23mAmerican Airlines
Deal found 7/21$155
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 8/286:00 amCMH - ORD
Nonstop1h 35mUnited Airlines
Sun 8/3112:45 pmORD - CMH
Nonstop1h 33mUnited Airlines
Deal found 7/21$162
This FlightHub deal was found by Cheapflights users on 7/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:38 pmCMH - ORD
1 stop20h 13mSpirit Airlines
Wed 9/1011:13 amORD - CMH
1 stop19h 16mSpirit Airlines
Deal found 7/23$171
This Delta deal was found by Cheapflights users on 7/21. 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 8/196:10 amCMH - MDW
1 stop3h 25mDelta
Tue 8/269:30 amMDW - CMH
1 stop2h 59mDelta
Deal found 7/21$177
This Delta deal was found by Cheapflights users on 7/21. 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 10/182:20 pmCMH - ORD
1 stop5h 36mDelta
Thu 10/237:00 amORD - CMH
1 stop3h 21mDelta
Deal found 7/21$177
This Southwest deal was found by Cheapflights users on 7/23. 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 8/218:45 amCMH - STL
Nonstop1h 25mSouthwest
Tue 8/268:20 amSTL - CMH
Nonstop1h 25mSouthwest
Deal found 7/23$177
This Delta deal was found by Cheapflights users on 7/22. 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.
Sun 8/177:00 amCMH - STL
1 stop3h 57mDelta
Mon 8/186:00 amSTL - CMH
1 stop5h 40mDelta
Deal found 7/22$196
This Frontier deal was found by Cheapflights users on 7/23. 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.
Fri 9/266:40 pmCMH - MDW
1 stop5h 40mFrontier
Mon 9/296:20 amMDW - CMH
1 stop10h 25mFrontier
Deal found 7/23$198
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Fri 8/2911:47 amCMH - STL
1 stop7h 41mAmerican Airlines
Mon 9/17:23 amSTL - CMH
1 stop8h 59mAmerican Airlines
Deal found 7/22$206
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/1610:34 amCMH - STL
1 stop4h 45mUnited Airlines
Fri 9/195:30 pmSTL - CMH
1 stop5h 14mUnited Airlines
Deal found 7/21$215

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbus 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 July 23, 2025.
Use the filters below to find and compare flights from Columbus Airport to Illinois that are best for you.

Fly from

Columbus

Fly to

Illinois

Route

Depart

Return

Price

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Thu 8/14

6:50 pm-7:05 pm

Nonstop1h 15m

Chicago Midway

Mon 8/18

6:30 am-2:45 pm

2 stops7h 15m

$142

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Tue 8/12

6:00 am-11:50 am

1 stop6h 50m

Chicago O'Hare Intl

Wed 8/13

1:50 pm-8:50 pm

1 stop6h 00m

$147

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Wed 8/27

11:14 am-11:48 am

Nonstop1h 34m

Chicago O'Hare Intl

Sun 8/31

2:59 pm-5:22 pm

Nonstop1h 23m

$155

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Thu 8/28

6:00 am-6:35 am

Nonstop1h 35m

Chicago O'Hare Intl

Sun 8/31

12:45 pm-3:18 pm

Nonstop1h 33m

$162

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Mon 9/8

9:38 pm-4:51 pm

1 stop20h 13m

Chicago O'Hare Intl

Wed 9/10

11:13 am-7:29 am

1 stop19h 16m

$171

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Tue 8/19

10:36 am-12:28 pm

1 stop2h 52m

Chicago Midway

Tue 8/26

1:08 pm-7:21 pm

1 stop5h 13m

$177

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Sat 10/18

6:25 am-9:10 am

1 stop3h 45m

Chicago O'Hare Intl

Tue 10/21

8:55 am-1:28 pm

1 stop3h 33m

$177

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 8/21

8:45 am-9:10 am

Nonstop1h 25m

Lambert-St Louis

Tue 8/26

8:20 am-10:45 am

Nonstop1h 25m

$177

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sun 8/17

7:00 am-9:57 am

1 stop3h 57m

Lambert-St Louis

Mon 8/18

6:00 am-12:40 pm

1 stop5h 40m

$196

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Fri 9/26

6:40 pm-11:20 pm

1 stop5h 40m

Chicago Midway

Mon 9/29

6:20 am-5:45 pm

1 stop10h 25m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 34 results
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Best time to book a flight from Columbus to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Illinois (average of $245). Flying from Columbus Airport to Illinois in March is currently the most expensive (average of $321). 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 CMH to IL?

Find hourly flight availability from Columbus 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 July 23, 2025.

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

Weekly flight availability from Columbus Airport to Illinois

Explore weekly flight availability from Columbus 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 July 23, 2025.

The most flights from CMH to USIL are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

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 July 23, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Columbus Airport to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,233 reviews

Crew

8.6

Entertainment

7.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

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
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Crew

8.6

Entertainment

7.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

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
7,967 reviews
Southwest
8.0
Very good
4,233 reviews

Crew

8.6

Entertainment

7.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

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
8,873 reviews
Southwest
8.0
Very good
4,233 reviews

Crew

8.6

Entertainment

7.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

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
4,233 reviews

Crew

8.6

Entertainment

7.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

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.
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,233 reviews

Crew

8.6

Entertainment

7.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

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 Columbus 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 Columbus Airport to Illinois one-way?

    The cheapest airlines for a one-way flight from Columbus Airport to Illinois are Southwest ($74), United Airlines ($85), and Spirit Airlines ($86).

  • What are the most popular routes from Columbus Airport to Illinois?

    The most popular route from Columbus Airport to Illinois is Columbus - Chicago O'Hare Intl. You may also consider Columbus - Chicago Midway or Columbus - Lambert-St Louis.

  • What are the most reliable airlines from Columbus Airport to Illinois?

    Before booking your flight to Illinois from Columbus Airport, check out the most reliable airlines to get you to your destination on time: Cathay Pacific (85%), Copa Airlines (84%), ANA( 84%).

  • What are the cheapest flights from Columbus Airport to Illinois?

    While on average a flight from Columbus Airport to Illinois is generally $1,913, our data shows the cheapest flight currently is $87. When looking at the most popular route, (Columbus - Chicago O'Hare Intl), you can expect to pay $127 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Columbus 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 Columbus Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Columbus Airport to Illinois (average of $245). Flying from Columbus Airport to Illinois in March is currently the most expensive (average of $321). 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.

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Alternative routes for Columbus to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Columbus to Illinois

Discover the top 4 airlines that operate flights from Columbus 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 July 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$157Average$302FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$168Average$331FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$179Average$441FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$180Average$300FlexibilityNo cancel feeOn-time63%

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