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$85+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ORD
Jun 8 — Jun 151
Sun 6/8
Sun 6/15
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 June 3, 2025.

Round-trip from

$170
(Southwest)

One-way from

$85
(Southwest)

Popular in

May

Cheapest in

August

Average price

$304
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. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 3, 2025.

This Southwest deal was found by Cheapflights users on 6/3. 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 8/197:25 pmCMH - STL
Nonstop1h 25mSouthwest
Tue 8/266:40 pmSTL - CMH
Nonstop1h 20mSouthwest
Deal found 6/3$170
This Delta deal was found by Cheapflights users on 6/3. 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 9/3010:20 amCMH - STL
1 stop4h 00mDelta
Tue 10/71:30 pmSTL - CMH
1 stop4h 16mDelta
Deal found 6/3$179
This Frontier deal was found by Cheapflights users on 6/2. 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.
Sat 8/305:17 pmCMH - ORD
1 stop7h 04mFrontier
Sun 9/146:00 amORD - CMH
1 stop10h 37mFrontier
Deal found 6/2$195
This Frontier deal was found by Cheapflights users on 6/1. 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.
Thu 6/123:08 pmCMH - MDW
1 stop6h 09mFrontier
Thu 6/199:12 pmMDW - CMH
1 stop10h 15mFrontier
Deal found 6/1$197
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/14:19 pmCMH - ORD
Nonstop1h 37mUnited Airlines
Wed 7/29:20 pmORD - CMH
Nonstop1h 28mUnited Airlines
Deal found 6/2$197
This Southwest deal was found by Cheapflights users on 6/3. 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 8/611:35 amCMH - MDW
2 stops8h 50mSouthwest
Mon 8/116:05 pmMDW - CMH
1 stop3h 30mSouthwest
Deal found 6/3$199
This KAYAK deal was found by Cheapflights users on 6/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:54 pmCMH - ORD
1 stop4h 34mSpirit Airlines
Wed 8/203:29 pmORD - CMH
1 stop8h 20mSpirit Airlines
Deal found 6/2$204
This Delta deal was found by Cheapflights users on 6/2. 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 7/16:10 amCMH - MDW
1 stop3h 31mDelta
Wed 7/29:24 amMDW - CMH
1 stop3h 06mDelta
Deal found 6/2$217
This Delta deal was found by Cheapflights users on 6/2. 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 7/12:47 pmCMH - ORD
1 stop7h 37mDelta
Wed 7/25:41 pmORD - CMH
1 stop4h 17mDelta
Deal found 6/2$217
This Booking.com deal was found by Cheapflights users on 6/3. 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.
Mon 10/66:32 pmCMH - STL
1 stop15h 35mFrontier
Thu 10/97:52 pmSTL - CMH
1 stop20h 45mFrontier
Deal found 6/3$223
This Priceline deal was found by Cheapflights users on 6/3. 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.
Sat 9/276:18 pmCMH - ORD
1 stop5h 52mMultiple Airlines
Sun 9/286:00 amORD - CMH
1 stop10h 37mMultiple Airlines
Deal found 6/3$224
This American Airlines deal was found by Cheapflights users on 6/2. 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 8/55:30 amCMH - ORD
Nonstop1h 33mAmerican Airlines
Tue 8/511:44 amORD - CMH
Nonstop1h 24mAmerican Airlines
Deal found 6/2$231

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 June 3, 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 8/19

7:25 pm-7:50 pm

Nonstop1h 25m

Lambert-St Louis

Tue 8/26

6:40 pm-9:00 pm

Nonstop1h 20m

$170

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Tue 9/30

10:20 am-1:20 pm

1 stop4h 00m

Lambert-St Louis

Tue 10/7

1:30 pm-6:46 pm

1 stop4h 16m

$179

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Sat 8/30

5:17 pm-11:21 pm

1 stop7h 04m

Chicago O'Hare Intl

Sun 9/14

6:00 am-5:37 pm

1 stop10h 37m

$195

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Tue 7/1

4:19 pm-4:56 pm

Nonstop1h 37m

Chicago O'Hare Intl

Wed 7/2

9:20 pm-11:48 pm

Nonstop1h 28m

$197

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Tue 7/1

10:00 am-10:10 am

Nonstop1h 10m

Chicago Midway

Wed 7/2

1:00 pm-3:10 pm

Nonstop1h 10m

$197

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Sat 6/14

10:07 am-8:17 pm

1 stop11h 10m

Chicago Midway

Fri 6/20

9:12 pm-9:22 am

1 stop11h 10m

$198

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Sat 8/16

6:54 pm-10:28 pm

1 stop4h 34m

Chicago O'Hare Intl

Wed 8/20

3:29 pm-12:49 am

1 stop8h 20m

$204

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

Tue 7/1

6:10 am-8:41 am

1 stop3h 31m

Chicago Midway

Wed 7/2

9:24 am-1:30 pm

1 stop3h 06m

$217

ColumbusChicago

CMH - ORD

CMHORD

Columbus

Tue 7/1

2:47 pm-9:24 pm

1 stop7h 37m

Chicago O'Hare Intl

Wed 7/2

5:41 pm-10:58 pm

1 stop4h 17m

$217

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

Mon 10/6

6:32 pm-9:07 am

1 stop15h 35m

Lambert-St Louis

Thu 10/9

7:52 pm-5:37 pm

1 stop20h 45m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 37 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 $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 June 3, 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 June 3, 2025.

The most flights from C01 to USIL are scheduled on a Tuesday (50 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 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 June 3, 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
4,284 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

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
4,284 reviews
Southwest
8.0
Very good
4,284 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

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
7,956 reviews
Southwest
8.0
Very good
4,284 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

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
8,770 reviews
Southwest
8.0
Very good
4,284 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

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
4,284 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

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
345 reviews
Southwest
8.0
Very good
4,284 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.1

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 to Illinois one-way?

    The cheapest airlines for a one-way flight from Columbus to Illinois are Southwest ($85), Frontier ($101), and Spirit Airlines ($108).

  • 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 GoJet (100%), Republic Airways (93%) or Copa Airlines (92%) 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 $1,402 for a flight from Columbus to Illinois. The cheapest flight overall is $125 while the most popular route, (Columbus - Chicago O'Hare Intl) is currently priced at $214.

  • 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 $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.

See more FAQs

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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 June 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$163Average$327FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$179Average$338FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$179Average$365FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$230Average$300FlexibilityNo cancel feeOn-time63%
DeltaCheapest$286Average$830FlexibilityNo cancel feeOn-timeN/A

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