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$48+ Cheap flights from North Carolina 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ORD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Find flight deals from North Carolina to Illinois

Cheapest flights from North Carolina to Illinois
Explore the most affordable flight options available from North Carolina to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This CheapOair deal was found by Cheapflights users on 11/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:17 amCLT - ORD
Nonstop2h 13mFrontier
Sun 12/148:55 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/12$87
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 12/249:04 pmCLT - ORD
1 stop14h 14mFrontier
Sun 1/45:05 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/11$88
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/49:17 amCLT - ORD
Nonstop2h 13mFrontier
Sun 12/78:55 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/12$89
This Super.com deal was found by Cheapflights users on 11/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:49 pmCLT - ORD
1 stop7h 23mFrontier
Mon 12/88:50 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/11$90
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/512:52 pmCLT - ORD
Nonstop2h 13mFrontier
Sun 12/78:55 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/12$93
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Mon 12/83:07 pmCLT - ORD
1 stop9h 50mFrontier
Thu 12/115:15 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/12$96
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sun 12/75:44 pmCLT - ORD
1 stop7h 28mFrontier
Sun 12/148:55 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/12$97
This Super.com deal was found by Cheapflights users on 11/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:47 amCLT - ORD
Nonstop2h 13mFrontier
Tue 12/306:50 amORD - CLT
Nonstop2h 07mFrontier
Deal found 11/12$99
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.
Mon 11/2411:56 amCLT - ORD
1 stop6h 19mFrontier
Thu 11/2712:29 pmORD - CLT
Nonstop2h 03mFrontier
Deal found 11/10$100
This Frontier deal was found by Cheapflights users on 11/11. 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 12/410:33 pmCLT - STL
1 stop11h 26mFrontier
Mon 12/89:54 amSTL - CLT
1 stop9h 31mFrontier
Deal found 11/11$110
This Flightnetwork deal was found by Cheapflights users on 11/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:49 pmCLT - MDW
1 stop18h 19mFrontier
Mon 12/83:10 pmMDW - CLT
1 stop17h 40mFrontier
Deal found 11/11$110
This Frontier deal was found by Cheapflights users on 11/11. 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.
Mon 12/86:10 amRDU - STL
1 stop4h 42mFrontier
Thu 12/1112:04 pmSTL - RDU
1 stop11h 08mFrontier
Deal found 11/11$110

Cheap flight deals from North Carolina to Illinois

Keep the following information in mind while searching for North Carolina to Illinois flight deals. Data was last updated November 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$86
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$273

Good round-trip deal

$78 or less

Good one-way deal

$110 or less
Provider with most accurate pricing for Raleigh-Durham-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Chicago (CHI) flights.
Search Deals
From North Carolina to Illinois
Search Deals
One-way flight from North Carolina to Illinois
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 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 North Carolina to Illinois.
Search Deals
Price to beat on a one-way flight from North Carolina to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from North Carolina 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 13, 2025.
Use the filters below to find and compare flights from North Carolina to Illinois that are best for you.

Fly from

North Carolina

Fly to

Illinois

Route

Depart

Return

Price

CharlotteChicago

CLT - MDW

CLTMDW

Charlotte Douglas

Thu 12/11

3:42 pm-9:53 pm

1 stop7h 11m

Chicago Midway

Sat 12/13

2:59 pm-12:41 pm

1 stop20h 42m

$128

CharlotteChicago

CLT - MDW

CLTMDW

Charlotte Douglas

Sun 12/7

3:07 pm-8:45 pm

1 stop6h 38m

Chicago Midway

Sun 12/14

2:01 pm-9:43 pm

1 stop6h 42m

$146

RaleighChicago

RDU - MDW

RDUMDW

Raleigh-Durham

Mon 11/24

6:10 am-9:55 am

1 stop4h 45m

Chicago Midway

Thu 11/27

1:30 pm-4:15 pm

Nonstop1h 45m

$149

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

Sat 12/13

5:28 pm-6:54 pm

Nonstop2h 26m

Chicago O'Hare Intl

Sun 12/14

2:15 pm-5:20 pm

Nonstop2h 05m

$151

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

Wed 1/7

2:28 pm-3:40 pm

Nonstop2h 12m

Chicago O'Hare Intl

Sun 1/11

6:05 am-9:10 am

Nonstop2h 05m

$158

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

Fri 1/23

6:10 am-7:43 am

Nonstop2h 33m

Chicago O'Hare Intl

Tue 1/27

7:17 am-10:33 am

Nonstop2h 16m

$158

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

Sat 1/10

6:10 am-7:43 am

Nonstop2h 33m

Chicago O'Hare Intl

Thu 1/15

2:18 pm-5:24 pm

Nonstop2h 06m

$158

CharlotteChicago

CLT - ORD

CLTORD

Charlotte Douglas

Sat 12/6

6:30 am-7:52 am

Nonstop2h 22m

Chicago O'Hare Intl

Tue 12/9

2:15 pm-5:20 pm

Nonstop2h 05m

$159

RaleighChicago

RDU - MDW

RDUMDW

Raleigh-Durham

Wed 1/28

7:10 am-12:05 pm

1 stop5h 55m

Chicago Midway

Sun 2/1

5:01 pm-12:11 am

1 stop6h 10m

$160

CharlotteChicago

CLT - MDW

CLTMDW

Charlotte Douglas

Fri 12/12

6:55 pm-11:30 pm

1 stop5h 35m

Chicago Midway

Sat 12/13

5:40 pm-8:35 pm

Nonstop1h 55m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 60 results
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Best time to book a flight from North Carolina to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from North Carolina 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 North Carolina to Illinois

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

Currently, February is the cheapest month in which you can book a flight from North Carolina to Illinois (average of $57). Flying from North Carolina to Illinois in April is currently the most expensive (average of $126). 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 NC to IL?

Find hourly flight availability from North Carolina 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 13, 2025.

One of the essential ways to save on airfare from North Carolina to Illinois is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.

What is the cheapest day to fly from North Carolina to Illinois?

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

Travelers seeking maximum savings on their North Carolina to Illinois flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from North Carolina to Illinois

Explore weekly flight availability from North Carolina 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 13, 2025.

The most flights from USNC to USIL are scheduled on a Thursday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 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 13, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from North Carolina to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
9,017 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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
3,109 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

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 North Carolina 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 North Carolina to Illinois?

    Frontier, Southwest, and United Airlines can get you from North Carolina to Illinois in just under 2h 26m. Your travel time can differ by up to 4h 45m. The distance between North Carolina and Illinois is about 599 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from North Carolina to Illinois one-way?

    The cheapest airlines for a one-way flight from North Carolina to Illinois are Frontier ($55), Southwest ($70), and American Airlines ($70).

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

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

  • How can I find direct flights from North Carolina to Illinois?

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

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

    Yes. Cheapflights offers flight deals from North Carolina 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 North Carolina to Illinois?

    Currently, February is the cheapest month in which you can book a flight from North Carolina to Illinois (average of $57). Flying from North Carolina to Illinois in April is currently the most expensive (average of $126). 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 North Carolina to Illinois

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Top 7 airlines flying from North Carolina to Illinois

Discover the top 7 airlines that operate flights from North Carolina 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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$175FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$58Average$84FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$84Average$242FlexibilityNo cancel feeOn-time65%
DeltaCheapest$98Average$302FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$141Average$332FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$143Average$381FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$174Average$304FlexibilityNo cancel feeOn-time63%

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