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$69+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ORD
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 junio 18, 2025.

Round-trip from

$164
(Southwest)

One-way from

$69
(Southwest)

Popular in

June

Cheapest in

August

Average price

$329
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. 1% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 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 junio 18, 2025.

This Southwest deal was found by Cheapflights users on 6/17. 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.
mié. 10/17:25 pmCMH - STL
Nonstop1h 25mSouthwest
mié. 10/158:15 amSTL - CMH
Nonstop1h 20mSouthwest
Deal found 6/17$137
This United Airlines deal was found by Cheapflights users on 6/17. 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.
jue. 9/118:45 amCMH - STL
1 stop6h 34mUnited Airlines
sáb. 9/135:30 pmSTL - CMH
1 stop3h 39mUnited Airlines
Deal found 6/17$164
This Delta deal was found by Cheapflights users on 6/15. 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.
mié. 10/298:10 amCMH - STL
1 stop6h 10mDelta
mar. 11/41:30 pmSTL - CMH
1 stop6h 32mDelta
Deal found 6/15$167
This Delta deal was found by Cheapflights users on 6/16. 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.
lun. 8/46:38 pmCMH - ORD
1 stop6h 31mDelta
jue. 8/79:00 amORD - CMH
1 stop3h 29mDelta
Deal found 6/16$177
This Southwest deal was found by Cheapflights users on 6/16. 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.
mié. 10/85:40 amCMH - MDW
1 stop7h 20mSouthwest
sáb. 10/1112:50 pmMDW - CMH
Nonstop1h 10mSouthwest
Deal found 6/16$178
This American Airlines deal was found by Cheapflights users on 6/17. 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.
sáb. 7/268:41 pmCMH - ORD
Nonstop1h 34mAmerican Airlines
lun. 8/115:49 pmORD - CMH
Nonstop1h 26mAmerican Airlines
Deal found 6/17$183
This Mytrip deal was found by Cheapflights users on 6/18. 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.
mar. 7/86:00 amCMH - ORD
1 stop4h 38mSpirit Airlines
mié. 7/95:51 amORD - CMH
1 stop10h 18mSpirit Airlines
Deal found 6/18$184
This FlightHub deal was found by Cheapflights users on 6/16. 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.
mar. 7/86:00 amCMH - ORD
1 stop4h 38mMultiple Airlines
vie. 7/115:01 amORD - CMH
1 stop5h 41mMultiple Airlines
Deal found 6/16$185
This Southwest deal was found by Cheapflights users on 6/16. 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.
mié. 10/87:45 amCMH - ORD
1 stop8h 35mSouthwest
sáb. 10/111:30 pmORD - CMH
1 stop7h 10mSouthwest
Deal found 6/16$188
This Frontier deal was found by Cheapflights users on 6/16. 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.
jue. 7/105:25 pmCMH - ORD
1 stop7h 45mFrontier
vie. 7/115:01 amORD - CMH
1 stop5h 41mFrontier
Deal found 6/16$190
This United Airlines deal was found by Cheapflights users on 6/17. 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.
sáb. 10/117:38 pmCMH - ORD
Nonstop1h 42mUnited Airlines
lun. 10/139:10 pmORD - CMH
Nonstop1h 34mUnited Airlines
Deal found 6/17$199
This Frontier deal was found by Cheapflights users on 6/16. 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.
jue. 6/263:08 pmCMH - MDW
1 stop6h 09mFrontier
vie. 6/279:12 pmMDW - CMH
1 stop11h 10mFrontier
Deal found 6/16$200

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 junio 18, 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

jue. 9/11

8:45 am-2:19 pm

1 stop6h 34m

Lambert-St Louis

sáb. 9/13

5:30 pm-10:09 pm

1 stop3h 39m

$164

ColumbusSt. Louis

CMH - STL

CMHSTL

Columbus

jue. 9/11

6:00 am-12:30 pm

1 stop7h 30m

Lambert-St Louis

sáb. 9/13

1:55 pm-10:10 pm

2 stops7h 15m

$169

ColumbusChicago

CMH - ORD

CMHORD

Columbus

lun. 8/4

6:38 pm-12:09 am

1 stop6h 31m

Chicago O'Hare Intl

jue. 8/7

9:00 am-1:29 pm

1 stop3h 29m

$177

ColumbusChicago

CMH - MDW

CMHMDW

Columbus

mié. 10/8

5:40 am-12:00 pm

1 stop7h 20m

Chicago Midway

sáb. 10/11

12:50 pm-3:00 pm

Nonstop1h 10m

$178

ColumbusChicago

CMH - ORD

CMHORD

Columbus

sáb. 7/26

8:41 pm-9:15 pm

Nonstop1h 34m

Chicago O'Hare Intl

lun. 8/11

5:49 pm-8:15 pm

Nonstop1h 26m

$183

ColumbusChicago

CMH - ORD

CMHORD

Columbus

mar. 7/8

6:00 am-9:38 am

1 stop4h 38m

Chicago O'Hare Intl

mié. 7/9

5:51 am-5:09 pm

1 stop10h 18m

$184

ColumbusChicago

CMH - ORD

CMHORD

Columbus

mar. 7/8

6:00 am-9:38 am

1 stop4h 38m

Chicago O'Hare Intl

vie. 7/11

5:01 am-11:42 am

1 stop5h 41m

$185

ColumbusChicago

CMH - ORD

CMHORD

Columbus

mié. 10/8

7:45 am-3:20 pm

1 stop8h 35m

Chicago O'Hare Intl

sáb. 10/11

1:30 pm-9:40 pm

1 stop7h 10m

$188

ColumbusChicago

CMH - ORD

CMHORD

Columbus

jue. 7/10

5:25 pm-12:10 am

1 stop7h 45m

Chicago O'Hare Intl

vie. 7/11

5:01 am-11:42 am

1 stop5h 41m

$190

ColumbusChicago

CMH - ORD

CMHORD

Columbus

sáb. 10/11

7:38 pm-8:20 pm

Nonstop1h 42m

Chicago O'Hare Intl

lun. 10/13

9:10 pm-11:44 pm

Nonstop1h 34m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 39 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 junio 18, 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 junio 18, 2025.

The most flights from C01 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).

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 junio 18, 2025.
To help decide which airline to fly from Columbus to Illinois, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 ($69), United Airlines ($79), and Delta ($84).

  • 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 (95%) or ANA (93%) 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 $880 for a flight from Columbus to Illinois. The cheapest flight overall is $128 while the most popular route, (Columbus - Chicago O'Hare Intl) is currently priced at $137.

  • 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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$165Average$328FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$179Average$359FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$179Average$380FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$230Average$301FlexibilityNo cancel feeOn-time63%
DeltaCheapest$286Average$408FlexibilityNo cancel feeOn-timeN/A

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