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$40+ 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ORD
Dec 11 — Dec 181
Thu 12/11
Thu 12/18
1 adult, Economy
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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 November 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:45 pmCMH - STL
1 stop15h 14mMultiple Airlines
Mon 12/810:47 amSTL - CMH
2 stops31h 51mMultiple Airlines
Deal found 11/9$200
This Southwest deal was found by Cheapflights users on 11/10. 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 12/109:00 amCMH - STL
Nonstop1h 30mSouthwest
Mon 1/128:15 amSTL - CMH
Nonstop1h 25mSouthwest
Deal found 11/10$206
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:00 amCMH - STL
Nonstop1h 30mSouthwest
Mon 12/88:35 amSTL - CMH
Nonstop1h 20mSouthwest
Deal found 11/9$215
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:55 amCMH - STL
1 stop4h 07mDelta
Wed 12/102:02 pmSTL - CMH
1 stop5h 52mDelta
Deal found 11/9$217
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:35 pmCMH - MDW
1 stop20h 46mMultiple Airlines
Sun 12/212:16 pmMDW - CMH
1 stop8h 41mMultiple Airlines
Deal found 11/10$221
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amCMH - ORD
1 stop28h 17mSpirit Airlines
Wed 12/33:53 pmORD - CMH
1 stop17h 26mSpirit Airlines
Deal found 11/10$222
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:26 pmCMH - STL
1 stop6h 34mDelta
Mon 12/87:02 pmSTL - CMH
1 stop4h 12mDelta
Deal found 11/10$225
This Mytrip deal was found by Cheapflights users on 11/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:33 pmCMH - ORD
3 stops34h 32mSpirit Airlines
Thu 1/2912:44 pmORD - CMH
1 stop10h 24mSpirit Airlines
Deal found 11/8$226
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amCMH - MDW
2 stops13h 08mMultiple Airlines
Sun 12/77:27 pmMDW - CMH
1 stop15h 14mMultiple Airlines
Deal found 11/10$228
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:08 pmCMH - ORD
1 stop24h 49mMultiple Airlines
Fri 12/56:11 amORD - CMH
2 stops15h 03mMultiple Airlines
Deal found 11/10$228
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:30 amCMH - ORD
1 stop8h 33mMultiple Airlines
Thu 12/411:44 amORD - CMH
1 stop23h 07mMultiple Airlines
Deal found 11/10$229
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:14 amCMH - STL
2 stops24h 53mMultiple Airlines
Mon 1/128:45 amSTL - CMH
1 stop14h 23mMultiple Airlines
Deal found 11/10$229

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 November 11, 2025.

Round-trip from

$200
(Kiwi.com)

One-way from

$40
(Trip.com)

Popular in

November

Cheapest in

August

Average price

$344

Good round-trip deal

$336 or less

Good one-way deal

$200 or less
From Columbus to Illinois
Search Deals
One-way flight from Columbus to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Columbus to Illinois.
Search Deals
Price to beat on a one-way flight from Columbus to Illinois.
Search Deals

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 November 11, 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

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 12/4

6:45 pm-8:59 am

1 stop15h 14m

Lambert-St Louis

Mon 12/8

10:47 am-7:38 pm

2 stops31h 51m

$200

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Wed 12/10

6:55 pm-7:25 pm

Nonstop1h 30m

Lambert-St Louis

Mon 1/12

8:15 am-10:40 am

Nonstop1h 25m

$206

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 3/10

2:00 pm-4:55 pm

1 stop3h 55m

Lambert-St Louis

Wed 3/11

6:00 am-11:38 am

1 stop4h 38m

$207

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sun 12/7

7:44 pm-8:59 am

1 stop14h 15m

Lambert-St Louis

Sun 12/14

10:42 am-11:41 am

1 stop23h 59m

$210

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Thu 12/4

9:00 am-9:30 am

Nonstop1h 30m

Lambert-St Louis

Mon 12/8

8:35 am-10:55 am

Nonstop1h 20m

$215

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sat 12/6

7:10 am-7:45 am

Nonstop1h 35m

Lambert-St Louis

Mon 12/8

6:10 pm-8:30 pm

Nonstop1h 20m

$215

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Sun 12/7

8:33 pm-9:52 am

2 stops14h 19m

Lambert-St Louis

Sun 12/14

10:42 am-11:41 am

1 stop23h 59m

$216

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Tue 12/9

5:45 pm-6:27 pm

Nonstop1h 42m

Chicago O'Hare Intl

Tue 12/16

9:05 pm-11:34 pm

Nonstop1h 29m

$231

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Sat 2/14

6:30 am-7:12 am

Nonstop1h 42m

Chicago O'Hare Intl

Sun 2/15

8:17 am-10:41 am

Nonstop1h 24m

$231

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Tue 12/2

7:00 am-7:20 am

Nonstop1h 20m

Chicago Midway

Wed 12/3

10:00 am-12:20 pm

Nonstop1h 20m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 56 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 $106). Flying from Columbus Airport to Illinois in March is currently the most expensive (average of $247). 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 November 11, 2025.

It’s typically best to fly out from Columbus Airport to Illinois in the morning. Doing so could potentially save you 31% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Columbus Airport to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Columbus to Illinois. Price data was last updated on December 16, 2024.

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

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 November 11, 2025.

The most flights from CMH to USIL are scheduled on a Monday (55 on average). You will have fewer flight options on Tuesday, 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 November 11, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American 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
4,236 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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
9,013 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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
11,049 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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
8,137 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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
3,112 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

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 Columbus 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 Columbus Airport to Illinois?

    Departing from Columbus Airport to Illinois will take you 1h 30m. Columbus Airport and Illinois are separated by a distance of 409 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 Columbus Airport to Illinois one-way?

    The cheapest airlines for a one-way flight from Columbus Airport to Illinois are Southwest ($99), Delta ($104), and United Airlines ($116).

  • 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: Sun Country Air (100%), GoJet (100%), Cathay Pacific( 91%).

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

    While on average a flight from Columbus Airport to Illinois is generally $1,160, our data shows the cheapest flight currently is $134. When looking at the most popular route, (Columbus - Chicago O'Hare Intl), you can expect to pay $174 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 $106). Flying from Columbus Airport to Illinois in March is currently the most expensive (average of $247). 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 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 November 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$294FlexibilityNo cancel feeOn-time65%
FrontierCheapest$143Average$215FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$155Average$313FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$162Average$303FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$186Average$333FlexibilityNo cancel feeOn-time69%

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