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$79+ Cheap flights from Columbus 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ORD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Round-trip from

$189
(Booking.com)

One-way from

$79
(Frontier)

Popular in

December

Cheapest in

August

Average price

$322
From Columbus to Illinois
Search Deals
One-way flight from Columbus to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 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 March 2025
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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 March 31, 2025.

This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/154:28 pmCMH - STL
1 stop8h 18mFrontier
Wed 4/164:57 pmSTL - CMH
1 stop24h 21mFrontier
Deal found 3/31$189
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1211:29 amCMH - MDW
1 stop9h 18mFrontier
Sun 4/1312:46 pmMDW - CMH
1 stop20h 58mFrontier
Deal found 3/30$237
This Southwest deal was found by Cheapflights users on 3/31. 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 6/37:35 pmCMH - STL
Nonstop1h 25mSouthwest
Wed 6/48:15 amSTL - CMH
Nonstop1h 20mSouthwest
Deal found 3/31$237
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/105:09 pmCMH - ORD
1 stop15h 55mSpirit Airlines
Fri 4/115:07 pmORD - CMH
2 stops17h 35mSpirit Airlines
Deal found 3/31$238
This Southwest deal was found by Cheapflights users on 3/31. 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 4/231:05 pmCMH - MDW
1 stop4h 35mSouthwest
Tue 5/136:30 pmMDW - CMH
Nonstop1h 10mSouthwest
Deal found 3/31$240
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:53 amCMH - ORD
Nonstop1h 31mAmerican Airlines
Tue 5/68:20 pmORD - CMH
Nonstop1h 31mAmerican Airlines
Deal found 3/30$243
This Delta deal was found by Cheapflights users on 3/31. 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 4/222:04 pmCMH - STL
1 stop4h 58mDelta
Thu 4/244:05 pmSTL - CMH
1 stop4h 43mDelta
Deal found 3/31$247
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/155:21 pmCMH - ORD
1 stop7h 38mFrontier
Thu 6/195:40 amORD - CMH
1 stop9h 46mFrontier
Deal found 3/30$250
This Delta deal was found by Cheapflights users on 3/31. 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.
Thu 9/188:10 amCMH - MDW
1 stop5h 22mDelta
Mon 9/226:50 pmMDW - CMH
1 stop4h 06mDelta
Deal found 3/31$263
This Delta deal was found by Cheapflights users on 3/31. 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.
Thu 9/188:10 amCMH - ORD
1 stop5h 29mDelta
Mon 9/227:35 pmORD - CMH
1 stop3h 23mDelta
Deal found 3/31$263
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1710:26 amCMH - ORD
Nonstop1h 39mUnited Airlines
Sun 4/209:12 pmORD - CMH
Nonstop1h 28mUnited Airlines
Deal found 3/30$279
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:14 amCMH - ORD
2 stops17h 25mMultiple Airlines
Wed 5/2111:45 amORD - CMH
3 stops20h 05mMultiple Airlines
Deal found 3/30$284

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 March 31, 2025.
Use the filters below to find and compare flights from Columbus to Illinois that are best for you.

Fly from

Columbus

Fly to

Illinois

Route

Depart

Return

Price

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 4/15

4:28 pm-11:46 pm

1 stop8h 18m

Lambert-St Louis

Wed 4/16

4:57 pm-6:18 pm

1 stop24h 21m

$189

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 6/3

7:35 pm-8:00 pm

Nonstop1h 25m

Lambert-St Louis

Wed 6/4

8:15 am-10:35 am

Nonstop1h 20m

$237

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Sat 4/12

11:29 am-7:47 pm

1 stop9h 18m

Chicago Midway

Sun 4/13

12:46 pm-10:44 am

1 stop20h 58m

$237

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Fri 4/25

1:34 pm-12:21 am

1 stop11h 47m

Chicago O'Hare Intl

Sun 4/27

10:24 am-6:58 pm

1 stop7h 34m

$238

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Wed 4/23

1:05 pm-4:40 pm

1 stop4h 35m

Chicago Midway

Tue 5/13

6:30 pm-8:40 pm

Nonstop1h 10m

$240

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Tue 4/29

6:53 am-7:24 am

Nonstop1h 31m

Chicago O'Hare Intl

Tue 5/6

1:34 pm-3:57 pm

Nonstop1h 23m

$243

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 4/22

2:04 pm-6:02 pm

1 stop4h 58m

Lambert-St Louis

Thu 4/24

4:05 pm-9:48 pm

1 stop4h 43m

$247

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Sun 6/15

5:21 pm-11:59 pm

1 stop7h 38m

Chicago O'Hare Intl

Thu 6/19

5:40 am-4:26 pm

1 stop9h 46m

$250

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Thu 9/18

8:10 am-12:32 pm

1 stop5h 22m

Chicago Midway

Mon 9/22

6:50 pm-11:56 pm

1 stop4h 06m

$263

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Sat 5/24

2:25 pm-6:48 pm

1 stop5h 23m

Chicago O'Hare Intl

Mon 5/26

7:10 am-1:30 pm

1 stop5h 20m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Columbus to Illinois (average of $245). Flying from Columbus to Illinois in March is currently the most expensive (average of $323). 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 March 31, 2025.

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

Weekly flight availability from Columbus 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 March 31, 2025.

The most flights from C01 to USIL are scheduled on a Sunday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 March 31, 2025.
To help decide which airline to fly from Columbus to Illinois, see what other customers have to say about Southwest, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,275 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,899 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,614 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,883 reviews
Southwest
8.0
Very good
4,275 reviews

Comfort

8.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Crew

8.7

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 to Illinois one-way?

    The cheapest airlines for a one-way flight from Columbus to Illinois are Frontier ($79), Spirit Airlines ($92), and Southwest ($119).

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

    When deciding which route to take from Columbus to Illinois consider Columbus - Chicago O'Hare Intl, Columbus - Chicago Midway or Columbus - Lambert-St Louis as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Columbus to Illinois consider choosing Air Wisconsin (91%), ANA (88%) or Piedmont Airlines (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Columbus to Illinois?

    On average you can expect to pay $2,308 for a flight from Columbus to Illinois. The cheapest flight overall is $129 while the most popular route, (Columbus - Chicago O'Hare Intl) is currently priced at $132.

  • 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 to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Columbus to Illinois (average of $245). Flying from Columbus to Illinois in March is currently the most expensive (average of $323). 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

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Top 5 airlines flying from Columbus to Illinois

Discover the top 5 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$162Average$366FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$163Average$248FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$173Average$365FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$205Average$316FlexibilityNo cancel feeOn-time63%
DeltaCheapest$246Average$830FlexibilityNo cancel feeOn-timeN/A
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